stem-20231231

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 10-K

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☒			QUARTERLY ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2023


☐			QUARTERLY TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ________ to ________

STEM, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39455

85-1972187

(State or Other Jurisdiction

of Incorporation or Organization)

(Commission File Number)

(IRS Employer
Identification No.)

100 California St., 14th Fl., San Francisco, California 94111

(Address of principal executive offices including zip code)

1-877-374-7836

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, par value $0.0001

STEM

New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None.

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☐ No ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act.

Yes ☐ No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.


Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
Emerging growth company	☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.			☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of June 30, 2023, the aggregate market value of the common stock of the registrant held by non-affiliates was $835.1 million.

As of February 21, 2024, the number of shares of common stock outstanding was 157,773,620.

DOCUMENTS INCORPORATED BY REFERENCE

Certain information required to be included in Part III of this Annual Report on Form 10-K is set forth in, and is incorporated by reference from, Stem’s definitive proxy statement for its 2024 Annual Meeting of Stockholders, to be filed by Stem with the Securities and Exchange Commission (“SEC”) within 120 days after December 31, 2023 (the “2024 Proxy Statement”).

STEM, INC.

Annual Report on Form 10-K

For the Year Ended December 31, 2023

TABLE OF CONTENTS


		Page
PART I.

Item 1.	Business	3
Item 1A.	Risk Factors	10
Item 1B.	Unresolved Staff Comments	36
Item 1C.	Cybersecurity	36
Item 2.	Properties	37
Item 3.	Legal Proceedings	37
Item 4.	Mine Safety Disclosures	37

PART II.

Item 5.	Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	38
Item 6.	[Reserved]	39
Item 7.	Management's Discussion and Analysis of Financial Condition and Results of Operations	39
Item 7A.	Quantitative and Qualitative Disclosures About Market Risk	55
Item 8.	Financial Statements and Supplementary Data	57
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	105
Item 9A.	Controls and Procedures	105
Item 9B.	Other Information	107
Item 9C.	Disclosure Regarding Foreign Jurisdictions that Prevent Inspections	107

PART III.

Item 10.	Directors, Executive Officers and Corporate Governance	108
Item 11.	Executive Compensation	108
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	108
Item 13.	Certain Relationships and Related Transactions, and Director Independence	108
Item 14.	Principal Accountant Fees and Services	108

PART IV.

Item 15.	Exhibits, Financial Statement Schedules	109
Item 16.	Form 10-K Summary	109

Signatures		111

Forward-Looking Statements

This Annual Report on Form 10-K (this “Report”), as well as other statements we make, contain “forward-looking statements” within the meaning of the federal securities laws, which include any statements that are not historical facts. Such statements often contain words such as “expect,” “may,” “can,” “believe,” “predict,” “plan,” “potential,” “projected,” “projections,” “forecast,” “estimate,” “intend,” “anticipate,” “ambition,” “goal,” “target,” “think,” “should,” “could,” “would,” “will,” “hope,” “see,” “likely,” and other similar words.

Forward-looking statements address matters that are, to varying degrees, uncertain, such as statements about financial and performance targets and other forecasts or expectations regarding, or dependent on, our business outlook; our ability to secure sufficient and timely inventory from suppliers; our ability to meet contracted customer demand; our ability to manage manufacturing or delivery delays; our ability to manage our supply chains and distribution channels; our joint ventures, partnerships and other alliances; forecasts or expectations regarding energy transition and global climate change; reduction of greenhouse gas (“GHG”) emissions; the integration and optimization of energy resources; our business strategies and those of our customers; our ability to retain or upgrade current customers, further penetrate existing markets or expand into new markets; the effects of natural disasters and other events beyond our control; the direct or indirect effects on our business of macroeconomic factors and geopolitical instability, such as the ongoing conflict in Ukraine; the expected benefits of the Inflation Reduction Act of 2022 on our business; and our future results of operations, including our adjusted EBITDA.

Forward-looking statements are subject to risks, uncertainties, and other factors that could cause actual results to differ materially from those expressed or implied by such forward-looking statements, including but not limited to our inability to secure sufficient and timely inventory from our suppliers, as well as contracted quantities of equipment; our inability to meet contracted customer demand; supply chain interruptions and manufacturing or delivery delays; disruptions in sales, production, service or other business activities; general macroeconomic and business conditions in key regions of the world, including inflationary pressures, general economic slowdown or a recession, rising interest rates, changes in monetary policy, instability in financial institutions, and the prospect of a shutdown of the U.S. federal government; the direct and indirect effects of widespread health emergencies on our workforce, operations, financial results and cash flows; geopolitical instability, such as the ongoing conflict in Ukraine; the results of operations and financial condition of our customers and suppliers; pricing pressures; severe weather and seasonal factors; our inability to continue to grow and manage our growth effectively; our inability to attract and retain qualified employees and key personnel; our inability to comply with, and the effect on our business of, evolving legal standards and regulations, including those concerning data protection, consumer privacy, sustainability, and evolving labor standards; risks relating to the development and performance of our energy storage systems and software-enabled services; our inability to retain or upgrade current customers, further penetrate existing markets or expand into new markets; the risk that our business, financial condition and results of operations may be adversely affected by other political, economic, business and competitive factors; and other risks and uncertainties discussed in Part I, Item 1A, “Risk Factors” in this Annual Report on Form 10-K and in our other filings with the SEC. If one or more of these or other risks or uncertainties materialize (or the consequences of any such development changes), or should our underlying assumptions prove incorrect, our actual results or outcomes, or the timing of these results or outcomes, may vary materially from those reflected in our forward-looking statements. Forward-looking statements and other statements in this Report regarding our environmental, social, and other sustainability plans and goals are not an indication that these statements are necessarily material to investors or required to be disclosed in our filings with the SEC. In addition, historical, current, and forward-looking environmental, social, and sustainability-related statements may be based on standards for measuring progress that are still developing, internal controls and processes that continue to evolve, and assumptions that are subject to change in the future. Forward-looking statements in this Report are made as of the date of this Report, and we do not assume any obligation to update any forward-looking statements after the date of this Report, except as required by law.

PART I.

ITEM 1. BUSINESS

Overview

Stem, Inc., a Delaware corporation (“Stem,” the “Company,” “we,” “us,” or “our”), is a global leader in artificial intelligence (“AI”)-driven clean energy solutions and services. We maintain one of the world’s largest digitally connected, intelligent, renewable energy networks, providing customers with (i) energy storage hardware, sourced from leading, global battery original equipment manufacturers (“OEMs”), that we deliver through our partners, including developers, distributors and engineering, procurement and construction (“EPC”) firms, (ii) edge hardware to aid in the collection of site data and the real-time operation and control of the site plus other optional equipment, and (iii) an ongoing software platform, Athena®, and professional services to operate and manage the performance of standalone energy storage, integrated solar plus storage

systems, and solar assets. In addition, in all of the markets where we help manage our customers’ clean energy assets, we have agreements to use the Athena platform to participate in such markets and to share the revenue from such market participation.

We deliver our battery hardware and software-enabled services to our customers through our Athena platform. We believe that the network created by our growing customer base increases grid resilience and reliability through the real-time processing of market-based demand signals, energy prices and other factors in connection with the deployment of renewable energy resources to our customers. Additionally, our clean energy solutions are designed to support renewable energy generation by helping to alleviate grid intermittency issues, thereby reducing customer dependence on traditional, fossil fuel resources. As of December 31, 2023, Athena had accumulated more than 37 million runtime hours, with more than 500,000 industrial Internet of Things (“IoT”) devices under management, across more than 184,000 sites in 48 countries.

We operate in two key areas within the energy landscape: Behind-the-Meter (“BTM”) and Front-of-the-Meter (“FTM”). An energy system’s position in relation to a customer’s electric meter determines whether it is designated a BTM or FTM system. BTM systems provide power that can be used on-site without interacting with the electric grid and passing through an electric meter. FTM, grid-connected systems provide power to off-site locations and must pass through an electric meter prior to reaching an end-user.

For BTM customers, Athena mitigates customer energy costs through services such as time-of-use and demand charge management optimization and by aggregating the dispatch of energy through a network of virtual power plants. Our software is designed to reduce commercial and industrial (“C&I”) customer energy bills, increase their energy yield, and help our customers facilitate the achievement of their corporate environmental, social, and corporate governance (“ESG”) and carbon reduction objectives. Through Athena’s PowerTrack application, our software is designed to maximize solar energy output and minimize asset downtime.

For FTM customers, our software decreases risk for project developers, asset owners, independent power producers and investors by adapting to dynamic energy market conditions in connection with the deployment of electricity and improving the value of energy assets over the course of their FTM system’s lifetime. We also help asset owners and operators monitor and manage the health and performance of their clean energy assets. As an early participant in the BTM market, we developed operational focus and technical capabilities that position us to have multiple product offerings and services in the evolving market for FTM energy storage services. We believe that Athena’s ability to optimize operations in both the BTM and FTM markets for storage and solar assets is unique in the industry and provides us with a competitive advantage.

Through our February 2022 acquisition of Also Energy Holdings, Inc. (“AlsoEnergy”), we combined our storage optimization capabilities with AlsoEnergy’s solar asset performance monitoring and control software.

History

We were originally known as Star Peak Energy Transition Corp. (“STPK”), which was a special purpose acquisition company that completed its public offering on August 20, 2020. On April 28, 2021 (the “Closing Date”), we consummated a business combination (the “Merger”) pursuant to an Agreement and Plan of Merger by and among STPK, STPK Merger Sub Corp., a Delaware corporation and wholly-owned subsidiary of STPK (“Merger Sub”), and Stem, Inc., a Delaware corporation (“Legacy Stem”). The Merger was effected on the Closing Date through the merger of the Merger Sub with and into Legacy Stem, with Legacy Stem surviving as a wholly-owned subsidiary of the Company. Legacy Stem was a private company and is considered the Company’s accounting predecessor.

On April 3, 2023, we issued $240.0 million aggregate principal amount of 4.25% Green Convertible Senior Notes due 2030 (the “2030 Convertible Notes”) in a private placement offering to qualified institutional buyers (the “2023 Initial Purchasers”) pursuant to Rule 144A under the Securities Act of 1933, as amended. The 2030 Convertible Notes are senior, unsecured obligations of the Company and bear interest at a rate of 4.25% per year, payable in cash semi-annually in arrears in April and October of each year, beginning in October 1, 2023. The notes will mature on April 1, 2030, unless earlier repurchased, redeemed or converted in accordance with their terms prior to such date. Upon conversion, we may choose to pay or deliver cash, shares of common stock or a combination of cash and shares of common stock. The notes are redeemable for cash at our option at any time given certain conditions.

Our net proceeds from this offering were approximately $232.4 million, after deducting for $7.6 million of debt issuance costs primarily consisting of underwriters, advisory, legal, and accounting fees. On April 3, 2023, we used approximately $99.8 million of the net proceeds to purchase and surrender for cancellation approximately $163.0 million aggregate principal amount of our 0.50% Green Convertible Notes due 2028 (the “2028 Convertible Notes”).

On March 29, 2023 and March 31, 2023, in connection with the pricing of the 2030 Convertible Notes, and on April 3, 2023, in connection with the exercise in full by the 2023 Initial Purchasers of their option to purchase additional notes, we entered into Capped Calls (the “2030 Capped Calls”) with certain counterparties. We used $27.8 million of the net proceeds from the 2030 Convertible Notes to pay the cost of the 2030 Capped Calls.

Competitive Strengths

Our competitive strengths include the following:

•Significant Benefits from Scale & Network Effects: We believe we operate one of the largest global distributed clean energy storage networks, with more than 5.5 Gigawatt-hours (“GWh”) of operating or contracted energy storage assets and more than 27.5 GW of solar assets under management. This large, diverse network generates a significant amount of operational data leading to enhanced software performance through machine-learning, which improves customer economics.

•Advanced Technology Platform: We developed one of the first AI platforms for energy storage and virtual power plants that automates storage participation in electricity markets and performs monitoring and management of customer loads, solar generation and energy prices with real-time, complex decision-making algorithms. The platform is able to co-optimize multiple energy market revenue streams across a diverse fleet of hardware throughout multiple geographies and energy markets.

•Compelling Business Model & Customer Solutions: Our goal is to provide a seamless customer experience from commercial proposal to installation and to ongoing operations. Customers sign long-term contracts, typically between 3 and 20 years in duration, while providing us the flexibility to control their clean energy systems to maximize revenue, lower their energy costs, earn market participation revenue, and meet their decarbonization goals. Our solution is designed to support these objectives with minimal impact on customer operations.

•Leading Strategic Partnerships: We have numerous partnerships with a diverse set of industry leaders to reduce execution risk and increase speed to market in certain geographies. In October 2023, we partnered with NineDot Energy® in the development and completion of the first battery energy storage site in the Bronx, New York City. The Gunther site features a 3 MW/12 MWh battery energy storage system, a solar canopy, and infrastructure ready for bi-directional electric vehicle chargers. Under this software-only arrangement, our AI-driven Athena platform responds to grid calls within 10 minutes, while simultaneously optimizing for local and seasonal system peaks. We have also partnered with Ameresco for a 313 MWh, multiple-site battery storage project. We will provide battery storage hardware, system design support, and Athena® software to the project. Athena will enable the electric cooperative to dispatch the battery into system peaks to minimize costs and maximize efficiency.

•Exceptional AI and Energy Storage Expertise: We have a seasoned leadership team with a demonstrated track record of execution and more than 150 years of accumulated experience in energy storage, software and distributed energy expertise focused on AI, technology development, new market commercialization, renewable project development and utility / grid program operations. Our data science team has more than 150 years of combined experience in machine learning, optimization and controls.

Our Mission

Our mission is to maximize the economic, environmental, and resiliency value of renewable energy assets through our leading AI platform. In order to fulfill our mission, we provide our customers, which include C&I enterprises as well as independent power producers, renewable project developers, utilities and grid operators, with (i) energy storage hardware, sourced from leading, global battery OEMs, that we deliver through our partners, including developers, distributors and EPC firms, (ii) edge hardware to aid in the collection of site data and the real-time operation and control of the site plus other optional equipment, and (iii) an ongoing software platform and professional services to operate and manage the performance of standalone energy storage, integrated solar plus storage systems, and solar assets. In addition, in all of the markets where we help manage our customers’ clean energy assets, we have agreements to use the Athena platform to participate in such markets and to share the revenue from such market participation.

Our Customers

We operate in two key areas within the energy storage landscape: BTM and FTM. BTM systems installed at C&I customer locations provide power that can be used on-site without interacting with the electric grid and generally without generating energy that passes through a utility electric meter. FTM grid-connected systems deliver power into the grid which is often sold to off-site customers and transported by the grid prior to reaching an end-user. For BTM customers, we seek to maximize value by providing AI-powered storage services that reduce spending on utility bills, enhance the economics of solar and provide backup power. Additionally, we help BTM customers achieve renewable energy targets as part of their environmental, social

and governance (“ESG”) commitments. For FTM customers, we provide software-enabled services to capture revenue from energy market participation, including the sale of capacity, energy and ancillary services into regional electricity markets helping these customers enhance renewable project returns while improving grid resiliency and reliability for utilities and grid operators. These services that we provide are all at the direction of our customers, and we do not independently participate in the wholesale electricity market.

Research and Development

We have invested significant amounts of time and expense in the development of our Athena platform. The ability to maintain our leadership position depends in part on our ongoing research and development activities. Our team of more than 200 software development, data science, and product professionals is responsible for the design, development, integration, and testing of the Athena platform. We focus our efforts on developing Athena to improve our algorithms, augment value with new revenue streams and localize our capabilities based on geography and regulatory considerations.

Intellectual Property

Intellectual property is a key differentiator for our business, and we seek protection whenever possible for the intellectual property that we own and control, including but not limited to patents, proprietary information, trade secrets and software tools and applications. We rely upon a combination of patent, copyright, trade secret and trademark laws, as well as employee and third-party non-disclosure agreements and other contractual restrictions to establish and protect our proprietary rights.

We have developed a significant patent portfolio to protect elements of our proprietary technology. As of December 31, 2023, we had 82 patents across storage and solar asset performance.

Our intellectual property encompasses a diverse mix of patents with respect to our proprietary systems and software. These patents relate to the following broad categories:

•power electronics, including the basic interaction of batteries with the power grid where such electronics convert direct current (DC) battery power to alternating current (AC) compatible grid power;

•analytics and control, including use cases and decisions into the operation of an energy storage system and the coordination of providing economic or operational value to a customer;

•networked operations and grid services that involve the aggregation and operation of a group of energy storage systems to provide value to a utility or grid operator; and

•monitoring and control of solar photo-voltaic power assets along with fault detection, performance analytics and solar generation forecasting.

“Athena®” is a registered-trademark, and Athena’s trademarked applications include “Analyzer™,” “Supervisor™,” “Explorer™,” and “PowerBidder™.” The services relating to these trademarks include, but are not limited to, energy optimization services, software as a service for energy optimization services and energy storage charge and discharge.

We routinely review our development efforts to assess the existence and patentability of our intellectual property. We pursue the registration of our domain names and trademarks and service marks in the U.S. In an effort to protect our brand, as of December 31, 2023, we had nine registered trademarks in the U.S.

Competition

The clean energy industry is highly competitive, and new regulatory requirements for carbon emissions, technological advances, the lower cost of renewable energy, the decrease in battery and solar panel costs, improving battery technology and shifting customer demands are causing the industry to evolve and expand. We believe that the principal competitive factors in the clean energy market include, but are not limited to:

•safety, reliability and quality;

•product performance and uptime;

•historical track record and references for customer satisfaction;

•experience in maximizing the value of clean energy systems for multiple stakeholders;

•technological innovation;

•comprehensive solution from a single provider;

•ease of integration; and

•seamless hardware and software-enabled service offerings.

There is rising demand for solutions that can provide clean electric power with lower carbon emissions with high availability. Additionally, the transition to renewable energy sources and distributed energy infrastructure has increased the complexity and variability of power generation and end-customer electricity demand. This industry transformation has created an opportunity for an increased role for clean energy solutions like ours. We believe that, as one of the largest solutions providers in this industry, we have a significant head start against our competition in this rapidly evolving environment. We believe that the global push for lower carbon emissions, combined with vast technological improvements in lithium-ion battery-powered technologies, will drive C&I customers, utilities, independent power producers and project developers to grow their use of and investment in clean energy systems.

Our key competitors include energy monitoring and optimization software providers, energy storage system OEMs, hardware integration providers, renewable project developers and EPC firms. Our industry peers are typically focused on the development and marketing of single-purpose built solutions with captive hardware offerings, while our AI-powered platform is capable of delivering a multitude of software-enabled services operating an extensive and diverse network of clean energy systems across multiple geographies, utility, and grid operator service areas.

We believe that one of the key advantages driving sustainable differentiation for us includes the focus and capabilities built in our pioneering history in the BTM segment of the energy storage industry. This experience required an emphasis on AI-driven co-optimization of energy storage operations and the build-out of significant operational infrastructure to maximize economic value and grid stability for enterprise customers, utilities, and grid operators. We believe that the distributed asset management capability from this experience positions us well to compete in the evolving FTM segment of the energy storage industry as recent regulatory actions include the liberalization and formalization of rules for compensation of market participation for distributed energy resources. We believe the legacy single-purpose market for FTM solutions will be driven by greater demand for flexible solutions that can access multiple market opportunities. Our solutions have been designed to mitigate the challenges of today’s enterprise customers, independent power producers, utilities, renewable asset owners and the modern electrical grid at scale with continued improvements to artificial intelligence optimization strategies informed by operational data from one of the industry’s largest network of digitally-connected energy storage systems.

We believe we are well-positioned to compete successfully in the market for energy storage hardware and software-enabled services. Despite our limited operating history, we are among the leaders in global distributed energy storage and solar assets under management, supported by our Athena platform, compelling customer services, strategic partnerships and seasoned leadership team with a proven track record of success.

Government Regulation and Compliance

There are varying policy frameworks across the U.S. and abroad designed to support and accelerate customer adoption of clean and reliable distributed generation technologies. These policy initiatives come in the form of tax incentives, cash grants, performance incentives and electric tariffs.

Our AI-powered platform manages energy assets operating worldwide, with various policy frameworks across each energy market. Several U.S. states have utility procurement programs, energy system decarbonization goals and/or renewable portfolio standards for which our technology is eligible, including California, Connecticut, Hawaii, Illinois, Massachusetts, Maryland, Michigan, New Jersey, New York and Texas. Additionally, these energy assets often qualify for tax or financial incentives and, following passage of the United States Inflation Reduction Act of 2022 (the “IRA”), provisions such as the storage investment tax credit (ITC) and solar production tax credit (PTC), among others, provide additional federal incentives.

Federal, state and local government statutes and regulations concerning electricity heavily influence the demand for our products and services even though we are not regulated as a utility. These statutes and regulations often relate to electricity pricing, net metering, incentives, taxation, competition with utilities and the interconnection of customer-owned electricity generation. In the U.S., governments, often acting through state utility or public service commissions, change and adopt different rates for commercial customers on a regular basis. These changes can have a positive or negative effect on our ability to deliver cost savings to customers for the purchase of electricity.

Several states have mandates or policies designed to encourage energy storage adoption. For example, California offers a cash rebate for storage installations through the Self Generation Incentive Program and Massachusetts and New York offer performance-based financial incentives for storage. Storage installations also are supported in some states by state public utility

commission policies that require utilities to consider alternatives such as storage before they can build new generation. In February 2018, the Federal Energy Regulatory Commission (“FERC”) issued Order 841, directing regional transmission operators and independent system operators to remove barriers to the participation of storage in wholesale electricity markets and to establish rules to help ensure storage resources are compensated for the services they provide. In September 2020, the FERC issued Order 2222, opening up U.S. wholesale energy markets to aggregations of distributed energy resources like rooftop solar, BTM batteries, and electric vehicles. FERC Order 2222 is currently in the implementation stage.

Energy storage systems require interconnection agreements from the applicable local electricity utilities in order to connect to the grid and operate. In almost all cases, interconnection agreements are standard form agreements that have been pre-approved by the local public utility commission or another regulatory body with jurisdiction over interconnection agreements. As such, no additional regulatory approvals are typically required once interconnection agreements are signed. For wholesale transmission, energy storage systems require interconnection agreements with transmission providers. The pace of wholesale interconnection is often a source of delay for project implementation, although FERC is requiring process improvements through Order 2023, which is an ongoing proceeding that is likely to continue at least through 2024.

Our operations are subject to stringent and complex federal, state, and local laws and regulations governing the occupational health and safety of our employees and wage regulations. For example, we are subject to the requirements of the federal Occupational Safety and Health Act (“OSHA”), as amended, and comparable state laws that protect and regulate employee health and safety.

There are government regulations pertaining to battery safety, transportation of batteries and disposal of hazardous materials. We and our suppliers, as applicable, are required to comply with these regulations in order to sell our batteries into the market. The license and sale of our batteries and technology abroad is likely to be subject to export controls in the future.

Each installation must be designed, constructed, and operated in compliance with applicable federal, state, and local regulations, codes, standards, guidelines, policies, and laws. To install and operate energy storage systems on our platform, we, our customers or our partners are required to obtain applicable permits and approvals from various authorities with jurisdiction over energy storage systems and interconnection.

Human Capital Resources

Our mission is to maximize the economic, environmental, and resiliency value of energy assets through our leading AI platform, and we are also committed to creating a world-class employee experience. We aim to foster and maintain a workplace that values the unique talents and contributions of every employee. We believe it is the diversity of our people, with varied skills and backgrounds, that shape our success and innovation. Our people-focused culture is driven by collaboration and global cross-functional connections. We recognize that our success is dependent on our talent and the satisfaction of our global workforce, and we are greatly invested in the ability of our people to succeed and thrive. The following is a description of our employees, and outline how we manage our human capital resources and how we invest in our employees’ success.

Employees

As of December 31, 2023, we had 624 employees, of whom 425 were based in the United States and 199 in international locations. As of December 31, 2023, approximately 26% of the global team was female and 74% was male.

We believe that our future success depends in part on our continued ability to hire, motivate and retain qualified employees in any operating environment.

Recruiting

We believe in investing for the future, including the future of our workforce by recruiting exceptional individuals who share our company values. Our recruiting team and hiring managers begin with the creation of detailed job descriptions, which clearly outline the skills and experience necessary for success in each role. We believe these steps are essential to effectively interview for identifiable skill sets and not just “personality fits.” We strive to build our workforce from within whenever possible; however, if the best candidate for an available position is not identified from within our existing talent pool, we look externally. Our recruitment strategy is to initially search for candidates directly through our professional networks, university and mentorship programs, and through advertising with certain partners. We also occasionally use recruitment consultants and search firms.

Professional Development

We are committed to helping people realize their highest potential and fostering a culture that supports personal development for individuals, leaders and teams across the organization. Our employees enjoy ample opportunity to learn new skills to develop and advance their career, and we provide opportunities for all our employees to receive ongoing formal training to help foster their professional development. We encourage our managers and employees to participate in continuing education programs through approved institutions and online learning such as Udemy, Stem University, and the Middle Manager Learning series to supplement essential and leadership skills. We also recently launched a redesigned New Hire Orientation experience, which improves the onboarding experience and seeks to connect new employees to the vision, mission, values, and culture of our organization.

Employee Feedback

We value the feedback we receive from our employees. We recently launched “Your Voice,” a quarterly employee sentiment portal, which is designed to facilitate communication with our employees and enhance our understanding of employee feedback. In addition, our annual employee engagement survey asks all our employees for their input on a variety of matters. The results of the employee survey are disseminated to all employees, and the results are used to design action plans to assist managers with actively responding to employees’ sentiments. The employee survey is an important tool that allows us to improve, innovate and evolve through ongoing engagement and measurement.

Diversity and Inclusion

We are committed to building an inclusive culture and team environment that promotes equal employment opportunities and supports current and future diversity in our industry and our talent. In the spirit of our core values, we are “One Team” and succeed through collaboration when we respect, acknowledge and celebrate each other’s differences. We are committed to creating an inclusive environment that promotes equality, cultural awareness and respect by implementing policies, benefits, training, recruiting and recognition practices to support our colleagues. We believe that diversity and inclusion is about valuing our differences and identifying ways to improve our cultural intelligence which ultimately leads to better decision-making and a more tailored client experience. To help us achieve and maintain a diverse workforce, we continue to build a strong and inclusive culture, including through employee affinity networks. We are committed to building the best workplace in our communities and the broader industry.

We also provide a monthly global culture coalition cadence to address our mission of “bringing a community of employees together to improve the work experience through innovative, creative, and fun culture initiatives.” Each month we discuss a different diversity, equity and inclusion subject, and we also invite relevant guest speakers to educate our workforce and provide pamphlets for employees and their families, provide books honoring Black History Month, display in our offices artwork from women artists, and provide goods from indigenous owned businesses as giveaways in our monthly contests. In addition, we recently implemented a three-part diversity leadership training series on equity, equality, and inclusion.

Employee Compensation, Benefits & Well-being

We strive to enrich and elevate the lives of our employees through a robust compensation and benefits package that is flexible to meet both individual and family needs.

Our compensation and benefits programs are designed to attract and retain talent as well as motivate employees globally. In addition to competitive base salaries and bonus plans, we also offer attractive benefits programs both in the U.S. and globally. In the U.S., eligible employees may participate in medical, dental and vision plans as well as financial wellness benefits including health and dependent care flexible spending accounts, 401(k) plan with employer match, paid maternity and parental leave, health saving accounts, basic life insurance, accidental death and dismemberment insurance, short-term and long-term disability insurance, and commuter benefits.

Globally, we comply with location-specific mandatory government employee health and leave programs while also providing an employee assistance program, mental health, and physical wellness programs. We embrace regional and local cultural differences, and honor these by offering country-specific paid time off and paid holiday calendars that reflect the unique observations of each country. We support the continuing development of our staff around the world by offering several educational programs.

We design our employee compensation and benefits programs to be competitive relative to our market. We adjust our employee compensation and benefits programs as needed based upon regular monitoring of applicable laws and practices and the competitive market. In structuring these benefit programs, we strive to provide an aggregate level of compensation and benefits that are comparable to the demands of the market.

Our compensation policies and procedures are designed to promote compliance with applicable government and regulatory guidelines as well as generally accepted compensation practices. Our goal is to have programs that are based on clear and consistent policies, recognizing the need to have flexibility to meet different organizational or market conditions.

Available Information

Our website is www.stem.com. We use our Investor Relations website, at https://investors.stem.com, as a routine channel for distribution of important information, including news releases, analyst presentations, and financial information. We make available free of charge, though our Investor Relations website, our Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, proxy statements and Forms 3, 4 and 5 filed on behalf of directors and executive officers, and amendments to each of those reports, as soon as reasonably practicable after such documents are filed with or furnished to the SEC. Alternatively, you may access these reports at the SEC’s website at www.sec.gov. Copies are also available, without charge, from Stem Investor Relations, 100 California Street, 14th Floor, San Francisco, California, 94111. Unless expressly noted, the information on our website or any other website is not incorporated by reference in this Annual Report on Form 10-K and should not be considered part of this Report or any other filing that we make with the SEC.

Information About Our Executive Officers

The following table sets forth, as of January 31, 2024, the names and ages of our executive officers, including all offices and positions held by each for the past five years.

Name

Age

Current Position and Five-Year Business Experience

John Carrington

Chief Executive Officer and Director, since December 2013.

Bill Bush

Chief Financial Officer, since November 2016.

Saul R. Laureles

Chief Legal Officer and Corporate Secretary, since May 2021; Director, Corporate Legal Affairs and Assistant Corporate Secretary at Schlumberger Limited (a global energy technology company), from May 2007 to May 2021.

Mike Carlson

Chief Operating Officer, since September 2022; Vice President of Koch Engineered Solutions (an equipment technology and services company) from August 2020 to September 2022; President of Digital Grid North America at Siemens Industries, Inc. (a technology company) from July 2014 to March 2019.

Kim Homenock

Chief People Officer, since March 2022 and was promoted to executive officer in July 2022; Director, Devices Software & Services HR for Amazon (a technology company) from May 2021 to March 2022; Director, NA Transportation HR from January 2018 to May 2021.

Alan Russo

Chief Revenue Officer, since February 2019; Senior Vice President of Global Sales and Marketing, April 2018 to February 2019; Senior Vice President of Sales and Marketing at REC Solar Holdings AS (subsidiary of Duke Energy), from October 2015 to April 2018.

Larsh Johnson

Chief Technology Officer, since January 2016.

Prakesh Patel

Chief Strategy Officer since January 2020; Vice President of Capital Markets and Strategy from 2013 to January 2020.

Robert Schaefer

President of Transformational Initiatives since January 2023; President, AlsoEnergy from February 2022 to January 2023; CEO of AlsoEnergy from August 2017 to January 2022.

Matthew Tappin

President of Asset Management Division since March 2023; Vice President, Corporate Development, from May 2021 to March 2023; Corporate Development, New Energies at Shell (an energy company), from August 2019 to May 2021; Vice President and Director, Corporate Business Development at Centrica (an energy services company), from June 2017 through August 2019.

ITEM 1A. RISK FACTORS.

The following discussion of risk factors known to us contains important information for the understanding of our “forward-looking statements,” which are discussed immediately preceding Part I, Item 1, “Business” of this Annual Report on Form 10-K and elsewhere. These risk factors should also be read in conjunction with Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and the Consolidated Financial Statements and related notes included in this Annual Report on Form 10-K.

We urge you to consider carefully the risks described below, which discuss the material factors that make an investment in our securities speculative or risky, as well as in other reports and materials that we file with the SEC and the other information included or incorporated by reference in this Annual Report on Form 10-K. The occurrence of any of the following risks and

uncertainties, or additional risks and uncertainties not currently known to us or that we currently deem immaterial, could, in circumstances we may or may not be able to accurately predict, materially adversely affect our business, operations, reputation, financial condition, results of operations, cash flows, liquidity, growth, prospects and stock price.

Risk Factors Summary

Risks Related to Our Business and Industry

•Our limited operating history at current scale and our nascent industry make evaluating our business and prospects difficult.

•Our distributed generation offerings may not receive widespread market acceptance.

•Sufficient demand for our hardware and software-enabled services may not develop or take longer to develop than we anticipate.

•Battery storage costs may not continue to decline.

•Estimates and assumptions used to determine the size of our total addressable market may be inaccurate.

•We currently face and will continue to face significant competition.

•If we do not successfully execute on our new product and new market opportunities, our operating results could be adversely affected.

Risks Relating to Our Operations

•We face risks resulting from supplier concentration and limited supplier capacity.

•We depend on significant customers for a substantial portion of our revenue. If we fail to retain or expand our customer relationships or significant customers reduce their purchases, our revenue could decline significantly.

•Our business is subject to risks associated with construction, utility interconnection and delays.

•Supply chain disruption and competition could result in insufficient inventory and negatively affect our business.

•Our estimates of variable consideration related to revenue recognition in connection with guarantees that we have issued under certain customer contracts are difficult to estimate, and if our subsequent estimates differ significantly from initial estimates, we will be required to record an adjustment in a subsequent period.

•Long-term supply agreements could result in insufficient inventory.

•Our hardware and software-enabled services involve a lengthy sales and installation cycle. If we fail to close sales on a regular and timely basis, it could adversely affect our business.

•We may fail to attract and retain qualified management and technical personnel, which may adversely affect our ability to compete and grow our business.

•We may not be able to develop, produce, market or sell our hardware and software-enabled services successfully.

•We have incurred significant losses in the past and may continue to incur net losses through at least 2024.

•We may be unable to reduce our cost structure.

•Any future acquisitions we undertake may disrupt our business, adversely affect operations, dilute our stockholders, and expose us to significant costs and liabilities.

•Our current and planned foreign operations will subject us to additional business, financial, regulatory, and competitive risks.

•If any energy storage systems procured from OEM suppliers and provided to our customers contain manufacturing defects, our business and financial results could be adversely affected.

•Estimates of useful life for our energy storage systems and related hardware and software-enabled services may be inaccurate, and our OEM suppliers may not meet service and performance warranties and guarantees.

•Future product recalls could materially adversely affect our business, financial condition and operating results.

•Any disruption of, or interference with, our use of Amazon Web Services could adversely affect our business.

•Any failure to offer high-quality technical support services may adversely affect our relationships with our customers.

•Our business currently depends on the availability of rebates, tax credits and other financial incentives.

•The economic benefit of our energy storage systems to our customers depends on the cost of electricity available from alternative sources.

•We face risks related to our DevCo business model.

•If customers do not continue to use our subscription offerings or if we fail to expand the availability of hardware and software-enabled services, our operating results will be adversely affected.

Risks Related to Third-Party Partners

•We are exposed to interconnection and transmission facility development and curtailment risks.

•We may not successfully maintain relationships with third parties such as contractors and developers.

Risks Related to Our Intellectual Property and Technology

•Our future growth depends on our ability to continue to develop and maintain our proprietary technology.

•We may experience information technology or data security failures.

•Our technology could have undetected defects, errors or bugs in hardware or software.

•We may not adequately secure, protect and enforce our intellectual property rights and trademarks.

•We may need to defend ourselves against claims that we have infringed, misappropriated, or otherwise violated the intellectual property rights of others.

Regulatory Risks

•The installation and operation of our energy storage systems are subject to environmental laws and regulations.

•Existing regulations and changes to such regulations may reduce demand for our energy storage systems.

•Our business could be adversely affected by trade tariffs or other trade barriers.

•Negative attitudes toward renewable energy from lawmakers and others may adversely affect our business, including by delaying permits for our customers’ projects.

•Opposition to our customers’ project requests for permits could adversely affect our operating plans.

Additional Risks Related to Our Securities

•If we fail to maintain an effective system of disclosure controls and internal control over financial reporting, our ability to produce timely and accurate consolidated financial statements or comply with applicable regulations could be impaired.

•We may issue a significant number of shares in the future in connection with investments or acquisitions.

•Analysts may not publish sufficient or any research about our business or may publish inaccurate or unfavorable research.

•The trading price of our common stock is volatile.

•Certain provisions of our organizational documents may have an anti-takeover effect.

•Our exclusive forum provision may limit our stockholders’ ability to obtain a favorable judicial forum for disputes.

•The capped call transactions entered into in connection with the pricing of our 2028 and 2030 Convertible Notes may adversely affect the market price of our stock.

General Risk Factors

•We will continue to incur significant costs as a result of operating as a public company.

•Current and future litigation, investigations or regulatory or administrative proceedings could have a material adverse effect on our business.

Risks Related to Our Business and Industry

Our limited operating history at current scale and our nascent industry make evaluating our business and prospects difficult.

From our inception in 2009 through 2012, we were focused principally on research and development activities relating to our energy storage systems technology. We did not sell any of our battery hardware and software-enabled services and did not recognize any material revenue until fairly recently. As a result, we have a limited history operating our business at its current scale, and therefore a limited history upon which you can base an investment decision.

There is rising demand for clean electric power solutions that can provide electric power with lower carbon emissions with high availability. One such solution is distributed, renewable energy generation, which is supplementing and replacing conventional generation sources, given its increasingly compelling economics. Among other renewable energy market trends, we expect our business results to be driven by declines in the cost of generation of renewable power both on an absolute basis and relative to other energy sources (as evidenced by current solar and wind generation deployments), decreases in the cost of manufacturing battery packs and a rapidly growing energy storage market driven by increasing demand from commercial and industrial customers, utilities and grid operators. However, predicting our future revenue and appropriately budgeting for our expenses is difficult, and we have limited insight into trends that may emerge and affect our business.

The distributed generation industry is emerging and our distributed generation offerings may not receive widespread market acceptance.

The implementation and use of distributed generation at scale is still relatively nascent, and we cannot be sure that potential customers will accept such solutions broadly, or our hardware and software-enabled services more specifically. Enterprises may be unwilling to adopt our offerings over traditional or competing power sources for any number of reasons, including the perception that our technology is unproven, lack of confidence in our business model, unavailability of back-up service providers to operate and maintain the energy storage systems, and lack of awareness of our related hardware and software-enabled services. Because this is an emerging industry, broad acceptance of our hardware and software-enabled services is subject to a high level of uncertainty and risk. If the market develops more slowly than we anticipate, our business may be adversely affected.

Pandemics and other public health emergencies, including the emergence of new COVID-19 variants resulting in another pandemic, could adversely affect our business, results of operations and financial condition.

The COVID-19 pandemic caused the extended shutdown of certain businesses in the U.S., Europe and Asia, which resulted in various disruptions to our supply chain, increases in the costs of equipment and materials, and negative impacts on our sales and operating results. The emergence of a new pandemic or other public health emergency (including a resurgence of COVID-19 or any variant thereof) and governmental responses to limit the spread of such pandemic or health emergency, could in the future result in similar material adverse impacts to the demand for our products and services, financial condition, and results of operations.

If renewable energy technologies are not suitable for widespread adoption, or if sufficient demand for our hardware and software-enabled services does not develop or takes longer to develop than we anticipate, our sales may decline and we may be unable to achieve or sustain profitability.

The market for renewable, distributed energy generation is emerging and rapidly evolving, and its future success is uncertain. If renewable energy generation proves unsuitable for widespread commercial deployment or if demand for our renewable energy hardware and software-enabled services fails to develop sufficiently, our revenue, market share and profitability would be adversely impacted.

Many factors may influence the widespread adoption of renewable energy generation and demand for our hardware and software-enabled services, including, but not limited to the cost-effectiveness of renewable energy technologies as compared with conventional and competitive technologies, the performance and reliability of renewable energy products as compared with conventional and non-renewable products, fluctuations in economic and market conditions that impact the viability of conventional and competitive alternative energy sources, increases or decreases in the prices of oil, coal and natural gas, continued deregulation of the electric power industry and broader energy industry, and the availability or effectiveness of government subsidies and incentives. You should consider our prospects in light of the risks and uncertainties emerging companies encounter when introducing new products and services into a nascent industry.

The failure of renewable energy hardware costs to continue to decline would have a negative effect on our business and financial condition.

The growth and profitability of our business depends on the continued decline in the cost of battery storage, solar photovoltaic (“PV”) system components and related hardware. Over the last decade, the cost of renewable energy hardware has generally declined; however, increased demand and global supply chain constraints could cause price increases. If, for whatever reason, there is a sustained increase in the price of battery storage systems, solar PV system components or related hardware, our business and financial condition will be negatively affected.

If the estimates and assumptions we use to determine the size of our total addressable market are inaccurate, our future growth rate may be negatively affected and the potential growth of our business may be limited.

Market estimates and growth forecasts are subject to significant uncertainty and are based on assumptions and estimates that may prove to be inaccurate. Even if the markets in which we compete meet our size estimates and forecasted growth, our business could fail to grow at similar rates, if at all. The assumptions relating to our market opportunities include, but are not limited to, the following: (i) Wood Mackenzie research forecasts that the U.S. energy storage market, excluding the residential market, is expected to reach a total value of approximately 46.5 GWh in 2025; (ii) general declines in lithium-ion battery costs and in the cost of renewable generation; (iii) growing demand for renewable energy; and (iv) increased complexity of the electrical grid. Our market opportunities are also based on the assumption that our existing and future offerings will be more attractive to our customers and potential customers than competing products and services. If these assumptions prove inaccurate, our business, financial condition and results of operations could be adversely affected.

We currently face and will continue to face significant competition.

We compete for customers, financing partners and incentive dollars with other providers of energy storage systems and asset performance monitoring and control solutions. Many providers of electricity, such as traditional utilities and other companies offering distributed generation products, have longer operating histories, customer incumbency advantages, access to and influence with local and state governments, and more capital resources than we do. Significant developments in alternative energy storage and management technologies or improvements in the efficiency or cost of traditional energy sources, including coal, oil, natural gas used in combustion or nuclear power, may materially and adversely affect our business and prospects in ways we cannot anticipate. We may also face new competitors who are not currently in the market, including as a result of the IRA and its anticipated impacts and benefits to our industry. If we fail to adapt to changing market conditions and to compete successfully with new competitors, we will limit our growth and adversely affect our business results.

Our future growth will depend on expanding and diversifying our new product and new market opportunities, and if we do not successfully execute on our new product and new market plans, or if our new product and new market opportunities are more limited than we expect, our operating results and future growth prospects could be adversely affected.

We are attempting to enhance our future growth opportunities by expanding our existing products and services, including our modular energy storage systems and higher-margin software and services, and investing in the research and development of new offerings. Additionally, we are seeking to expand the markets in which we sell our products and services. If we do not appropriately allocate our resources in line with the market and developing opportunities, our results of operations and future growth prospects could be adversely affected.

Our investments also may not result in the growth we expect, or the timing of when we expect it, for a variety of reasons, including but not limited to, changes in growth trends, evolving and changing markets and increasing competition, market opportunities, and technology and product innovation. We may introduce new technologies or products that do not work, are not delivered on a timely basis, are not developed according to product and/or cost specifications, or are not well received by customers. Moreover, there may be fewer opportunities than we expect due to a decline in business or economic conditions or a decreased demand in these markets or for our new products from our expectations, our inability to successfully execute our sales and marketing plans, or for other reasons. In addition to our current growth opportunities, our future growth may be reliant on our ability to identify and develop potential new growth opportunities. This process is inherently risky and may result in investments in time and resources for which we do not achieve any return or value. These risks are enhanced by attempting to introduce multiple breakthrough technologies and products simultaneously.

Our growth opportunities and those opportunities we may pursue are subject to rapidly changing and evolving technologies and industry standards, and may be replaced by new technology concepts or platforms. If we do not develop innovative and reliable product offerings and enhancements in a cost-effective and timely manner that are attractive to customers in these markets; if we are otherwise unsuccessful in competing in these new product categories; if the new product categories in which we invest our limited resources do not emerge as expected or do not produce the growth or profitability we expect, or when we

expect it, or if we do not correctly anticipate changes and evolutions in technology and platforms, our business and results of operations may be adversely affected.

Risks Relating to Our Operations

We are subject to supply chain risk and our suppliers may fail to deliver components according to schedules, prices, quality and volumes that are acceptable to us, which could negatively affect our results of operations.

We purchase our components and materials from international and domestic vendors, and are exposed to supply chain risks arising from logistics disruptions. Unexpected changes in business conditions, the macroeconomic environment, geopolitical instability, materials pricing, including inflation of raw material costs, labor issues, wars, natural disasters, health epidemics, such as the COVID-19 pandemic, trade and shipping disruptions, port congestions and other factors beyond our or our suppliers’ control could also affect these suppliers’ ability to deliver components to us or to remain solvent and operational. In addition, international supply is also exposed to risks related to tariffs and sanctions, as well as political, social, and economic instability in regions where we source products and material. For example, in recent years, China and the U.S. have each imposed tariffs, and there remains a potential for further trade barriers and the possibility of an escalated trade war between China and the U.S. These or other tariffs could adversely affect our hardware component prices and negatively affect any plans to sell products in China and other impacted international markets. Disruptions in the availability of key equipment, components or materials such as lithium may adversely affect our business, prospects and operations, and volatility in prices and availability of such items may negatively affect our customer relationships and ability to plan for future growth.

We also face risks resulting from supplier concentration and limited supplier capacity.

We rely on a very small number of suppliers of energy storage systems and other equipment. If any of our suppliers were unable or unwilling to provide us with contracted quantities in a timely manner at prices, quality levels and volumes acceptable to us, we would have very limited alternatives for supply, and we may not be able to contract for and receive suitable alternative supply in a timely manner for our customers, or at all. Such an event may impair our ability to meet scheduled deliveries of our products to customers, which may cause our customers to cancel orders and subject us to liability, including liquidated damages to our customers, and may materially adversely affect our customer relationships, business, prospects, financial condition and results of operations. We may also be unsuccessful in our continued efforts to negotiate with existing suppliers to obtain cost reductions and avoid unfavorable changes to terms. Global demand has increased for lithium-ion battery cells, which has caused challenges for our suppliers, including delays or price volatility. Any such delays or reduced availability of energy storage systems or other component materials may impact our sales and operating results. Further, these risks may increase as the market demand for our offerings grows. Additionally, some of our suppliers supply systems and components to other businesses, including businesses engaged in the production of consumer electronics and other industries unrelated to energy storage systems. There are also larger purchasers of certain parts and materials that we supply to our customers. As a result, we may be unable to procure a sufficient supply of the items we require in the event that our suppliers fail to produce sufficient quantities to satisfy the demands of all of their customers. Any of these occurrences could materially adversely affect our business, prospects, financial condition and results of operations.

We have entered into long-term supply agreements that could result in insufficient inventory and negatively affect our results of operations.

We have entered into long-term supply agreements with certain suppliers of battery storage systems and other components of our energy storage systems. Some of these supply agreements provide for fixed or inflation-adjusted pricing and substantial prepayment obligations. Additionally, if our suppliers provide insufficient inventory at the level of quality required to meet customer demand, or if our suppliers are unable or unwilling to provide us with the contracted quantities, we will have limited alternatives for supply and our results of operations could be materially and negatively impacted. Further, we face significant specific counterparty risk under long-term supply agreements when dealing with certain suppliers without a long, stable production and financial history.

Given the uniqueness of our product, some of our suppliers do not have a long operating history and may not have sufficient capital resources. In the event any such supplier experiences financial difficulties, it may be difficult or may require substantial time and expense to replace such a supplier. We do not know whether we will be able to maintain long-term supply relationships with our critical suppliers, or secure new long-term supply agreements. Additionally, we procure many of the battery storage systems and components of our energy storage systems from non-U.S. suppliers, which exposes us to risks, including but not limited to unforeseen increases in costs or interruptions in supply arising from macroeconomic or geopolitical factors and from changes in applicable international trade regulations, such as taxes, tariffs, or quotas. Any of the foregoing could materially adversely affect our business, financial condition and results of operations.

Our hardware and software-enabled services involve a lengthy sales and installation cycle. If we fail to close sales on a regular and timely basis, it could adversely affect our business, financial condition and results of operations. Amounts included in our contracted backlog may not result in actual revenue or translate into profits.

Our sales cycle is typically six to 12 months for our hardware and software-enabled services, but can vary considerably. In order to make a sale, we must typically provide a significant level of education to prospective customers regarding the use and benefits of our hardware and software-enabled services.

The period between initial discussions with a potential customer and the sale of even a single energy storage system typically depends on a number of factors, including the potential customer’s budget and decision as to the type of financing it chooses to use, as well as the arrangement of such financing. Prospective customers often undertake a significant evaluation process, which may further extend the sales cycle, and which evaluation may be negatively impacted by general market and economic conditions such as inflation, rising interest rates, availability of capital, a recessionary environment, geopolitical instability, energy availability and costs, and the availability and effects of government initiatives.

We view potential contracts with developers and independent power producers for energy optimization services and transfer of energy storage systems that are currently being pursued by our direct sales force and channel partners as part of our pipeline.

Currently, the time between the entry into a sales contract with a customer and the installation of our energy storage systems can range from nine to 18 months, or more. This lengthy sales and installation cycle is subject to a number of significant risks over which we have little or no control. We characterize contracts that have been signed but not yet installed as a booking that becomes part of our backlog. Because of both the long sales and installation cycles, we may expend significant resources without generating a sale or producing revenue from our bookings and backlog.

These lengthy sales and installation cycles increase the risk that our customers may fail to satisfy their payment obligations, cancel orders before the completion of the transaction or delay the planned date for installation. Cancellation rates may be affected by factors outside of our control including, but not limited to, an inability to install an energy storage system at the customer’s chosen location because of permitting or other regulatory issues, unanticipated changes in the cost or availability of alternative sources of electricity available to the customer or other reasons unique to each customer. Our operating expenses are based on anticipated sales levels, and many of our expenses are fixed. If we are unsuccessful in closing sales after expending significant resources or if we experience delays or cancellations, our business, financial condition and results of operations could be adversely affected.

Additionally, we have ongoing arrangements with our customers and target customers. Some of these arrangements are evidenced by contracts or long-term contract partnership arrangements. If these arrangements are terminated or if we are unable to continue to fulfill the obligations under such contracts or arrangements, our business, financial condition and results of operations could be adversely affected.

If we are unable to attract and retain key employees and hire qualified management, technical, engineering and sales personnel, our ability to compete and successfully grow our business could be adversely affected.

We believe that our success and our ability to reach our strategic objectives are highly dependent on the contributions of our key management, technical, engineering, finance and sales personnel. The loss of the services of any of our senior executives and other key employees could disrupt our operations, delay the development and introduction of our hardware and software-enabled services, and negatively affect our business, financial condition and operating results. In addition, our ability to manage our growth effectively, including our ability to expand our market presence in international markets, is impacted by our ability to successfully expand our management team, hire and train new personnel and implement and enhance human resources administrative systems. Our success in hiring, attracting and retaining senior management and other experienced and highly skilled employees will depend in part on our ability to provide competitive compensation packages and a high-quality work environment and maintain a desirable corporate culture. To help attract, retain, and motivate qualified employees, we use stock-based awards, such as restricted stock units, and performance-based cash incentive awards. Sustained declines in our stock price, or lower stock price performance relative to our competitors, can reduce the retention value of our stock-based awards. We may not be able to attract, integrate, train, motivate or retain current or additional highly qualified personnel, and our failure to do so could adversely affect our business, financial condition and operating results.

Furthermore, there is continued and increasing competition for talented individuals in our field, and competition for qualified personnel is especially intense in the San Francisco Bay Area, where our principal offices are located. In addition to longstanding competition for highly skilled and technical personnel, we face increased competitive pressures and employee cost inflation in tighter labor markets, such as was experienced during the COVID-19 pandemic. Industry competition and cross-

industry labor market pressures may negatively impact our ability to attract and retain our executive officers and other key technology, sales, marketing and support personnel and drive increases in our employee costs, both of which could adversely affect our business, financial condition and results of operations.

We have incurred significant losses in the past and may incur net losses through at least 2024.

Since our inception in 2009, we have incurred significant net losses and have used significant cash in our business. As of December 31, 2023, we had an accumulated deficit of approximately $772.5 million. We expect to continue to expand our operations, including by investing in sales and marketing, research and development, staffing systems and infrastructure to support our growth. Under our current plans, we expect to incur net losses on a GAAP basis through at least 2024. Our ability to achieve profitability in the future will depend on a number of factors, including:

•increasing sales to existing customers and attracting new customers for our hardware and software-enabled services;

•improving our gross margins;

•growing our sales volume;

•managing operating expenses;

•improving our ability to procure energy storage systems from OEMs on cost-effective terms;

•improving the effectiveness of our sales and marketing activities;

•attracting and retaining key talent in a competitive marketplace;

•operating our systems profitably for the benefit of our customers; and

•the availability of incentives, including those associated with the IRA.

Even if we do achieve profitability when expected, we may be unable to sustain or increase our profitability in the future.

If we are not able to continue to reduce our cost structure in the future, our ability to become profitable may be impaired.

We must continue to reduce the costs of operation of our energy storage systems, and production and operation of our asset performance monitoring and control solutions, to expand our market. Additionally, certain of our existing service contracts were entered into based on projections regarding service cost reductions that assume continued advances in lowering the cost of delivery of our services, which we may be unable to realize. While we have been successful in reducing some of our costs to date, some of our costs have increased, and we could experience additional cost increases in the future. Any such increases could slow our growth and cause our financial results and operational metrics to suffer. In addition, we may face increases in our other expenses, including increases in wages or other labor costs, as well as marketing, sales or related costs. We expect to continue to make significant investments to drive growth in the future. In order to expand into new markets while still maintaining our current margins, we will need to continue to reduce our costs. Increases in any of these costs, or our failure to achieve projected cost reductions, could adversely affect our business, financial condition and results of operations. If we are unable to reduce our cost structure in the future, we may not be able to achieve profitability or we may fail to do so on a satisfactory timeline, which could have a material adverse effect on our business and prospects.

Any future acquisitions we undertake may disrupt our business, adversely affect operations, dilute our stockholders, and expose us to significant costs and liabilities.

Acquisitions are an important element of our business strategy, and we may pursue future acquisitions to increase revenue, expand our market position, add to our service offerings and technological capabilities, respond to dynamic market conditions, or for other strategic or financial purposes. However, we cannot assure you that we will be able to identify suitable acquisition candidates or complete any acquisitions on favorable terms, or at all. In addition, any acquisitions we do complete, including our acquisition of AlsoEnergy, would involve a number of risks, which may include the following:

•the identification, acquisition and integration of acquired businesses require substantial attention from management. The diversion of management’s attention and any difficulties encountered in the integration process could hurt our business;

•the identification, acquisition and integration of acquired businesses requires significant investment, including to determine which new service offerings we might wish to acquire, harmonize service offerings, expand management capabilities and market presence, and improve or increase development efforts and technology features and functions;

•the anticipated benefits from any acquisition may not be achieved on a timely basis or at all, including as a result of loss of clients or personnel of the target, other difficulties in supporting and transitioning the target's clients,

difficulties in managing expanded operations and operations in foreign jurisdictions in which we have never operated, the inability to realize expected synergies from an acquisition, or negative organizational cultural effects arising from the integration of new personnel;

•we may face difficulties in integrating the personnel, technologies, solutions, operations, and existing contracts of the acquired business;

•we may fail to identify all of the problems, liabilities, risks or other shortcomings or challenges of an acquired company, technology or solution, including issues related to intellectual property, solution quality or architecture, income tax and other regulatory compliance practices, revenue recognition or other accounting or internal control practices, or employee or client issues;

•to pay for future acquisitions, we could issue additional shares of our common stock or pay cash. Issuance of shares would dilute stockholders. See “- We may issue a significant number of shares in the future in connection with investments or acquisitions” below. Use of cash reserves could diminish our ability to respond to other opportunities or challenges. Borrowing to fund any cash purchase price would result in increased fixed obligations and could also include covenants or other restrictions that would impair our ability to manage our operations;

•acquisitions expose us to the risk of assumed known and unknown liabilities including contract, tax, regulatory or other legal, and other obligations incurred by the acquired business or fines or penalties, for which indemnity obligations, escrow arrangements or insurance may not be available or may not be sufficient to provide coverage;

•new business acquisitions can generate significant intangible assets that result in substantial related amortization charges and the potential for goodwill impairments in the future;

•the operations of acquired businesses, or our adaptation of those operations, may require that we apply revenue recognition or other accounting methodologies, assumptions, and estimates that are different from those we use in our current business, which could complicate our financial statements, expose us to additional accounting and audit costs, and increase the risk of accounting errors;

•acquired businesses may have insufficient internal controls that we must remediate, and the integration of acquired businesses may require us to modify or enhance our own internal controls, in each case resulting in increased administrative expense and risk that we experience control deficiencies or fail to comply with the requirements of Section 404 of the Sarbanes-Oxley Act of 2002; and

•acquisitions can sometimes lead to disputes with the former owners of the acquired company, which can result in increased legal expenses, management distraction and the risk that we may suffer an adverse judgment if we are not the prevailing party in the dispute.

Our current and planned foreign operations expose us to additional business, financial, regulatory and geopolitical risks, and any adverse event could have a material adverse effect on our results of operations.

As a result of our acquisition of AlsoEnergy, we now operate in more than 50 countries, including the United States and Canada, and in multiple European Union (“EU”) and Latin American countries and Asia. Prior to our acquisition of AlsoEnergy, we operated in only three countries. We may in the future evaluate further opportunities to expand into new geographic markets and introduce new product offerings and services that are an extension of our existing business. We also may from time to time acquire businesses or product lines with the potential to strengthen our market position, enable us to enter attractive markets, expand our technological capabilities, or provide synergy opportunities.

We have very limited experience operating outside of the U.S. Managing our international expansion will require additional resources and controls, including additional manufacturing and assembly facilities. Furthermore, any additional markets that we may enter could have different characteristics from the markets in which we currently operate, and our success will depend on our ability to adapt properly to these differences. Any further international expansion could subject our business to risks associated with international operations, including:

•compliance with multiple, potentially conflicting and changing governmental laws, regulations and permitting processes, including trade, labor, environmental, banking, employment, privacy and data protection laws and regulations, such as the EU Data Privacy Directive, as well as tariffs, export quotas, customs duties and other trade restrictions;

•compliance with U.S. and foreign anti-bribery laws, including the Foreign Corrupt Practices Act of 1977, as amended;

•difficulties in collecting payments in foreign currencies and associated foreign currency exposure;

•compliance with potentially conflicting and changing laws of taxing jurisdictions where we conduct business and applicable U.S. tax laws as they relate to international operations, the complexity and adverse consequences of such tax laws and potentially adverse tax consequences due to changes in such tax laws;

•the laws of some countries do not protect proprietary rights as fully as do the laws of the U.S. As a result, we may not be able to protect our proprietary rights adequately outside of the U.S.;

•regional macroeconomic and geopolitical conditions;

•conformity with applicable business customs, including translation into foreign languages and associated expenses;

•lack of availability of government incentives and subsidies;

•potential changes to our established business model;

•cost of alternative power sources, which could vary meaningfully outside the U.S.;

•difficulties in staffing and managing foreign operations in an environment of diverse culture, laws and customers, and the increased travel, infrastructure and legal and compliance costs associated with international operations;

•customer installation challenges which we have not encountered before, which may require the development of a unique model for each country;

•differing levels of demand among members of our customer base, including commercial and industrial customers, utilities, independent power producers and project developers; and

•restrictions on repatriation of earnings.

As a result of these risks, any future international expansion efforts that we may undertake (as well as our acquisition of AlsoEnergy) may not be successful and may negatively affect our results of operations and profitability.

In addition, there may be adverse effects to our business if there is instability, disruption or destruction in a significant geographic region, regardless of cause, including war, terrorism, riot, civil insurrection or social unrest; and natural or man-made disasters, including famine, flood, fire, earthquake, storm or disease. The U.S. government and other governments in jurisdictions in which we operate have imposed severe sanctions and export controls against Russia and Russian interests, and have threatened additional sanctions and controls. The ongoing conflict between Russia and Ukraine has exacerbated shortages and shipping delays affecting certain components and supplies. It is not possible to predict the broader consequences of this conflict, which could include further sanctions, embargoes, greater regional instability, geopolitical shifts and other adverse effects on macroeconomic conditions, international trade, currency exchange rates, supply chains and financial markets.

Our platform performance may not meet our customers’ expectations or needs.

The renewable energy projects that our customers construct and own are subject to various operating risks that may cause them to generate less value for our customers than expected. These risks include a failure or wearing out of our or our operators’, customers’ or utilities’ equipment; an inability to find suitable replacement equipment or parts; lower than expected supply or quality of the project’s source of electricity or faster than expected diminishment of such electricity supply; or volume disruption in our supply collection and distribution system. Any extended interruption or failure of our customer’s projects for any reason to generate the expected amount of output could adversely affect our business, financial condition and results of operations. In addition, there has been in the past, and may be in the future, an adverse impact on our customers’ willingness to continue to procure additional hardware and software-enabled services from us if any of our customer’s projects incur operational issues that indicate expected future cash flows from the project are less than the project’s carrying value. Any such outcome could adversely affect our operating results or ability to continue to grow our sales volume or to increase sales to existing customers or new customers.

If any energy storage systems procured from OEM suppliers and provided to our customers contain manufacturing defects, our business and financial results could be adversely affected.

The energy storage systems we pair with our Athena® platform are complex energy solutions. We rely on our OEM suppliers to control the quality of the battery storage equipment and other components that make up the energy storage system sold to our customers. We are not involved in the manufacture of the batteries or other components of the energy storage systems. As a result, our ability to seek recourse for liabilities and recover costs from our OEM suppliers depends on our contractual rights as well as the financial condition and integrity of such OEM suppliers that supply us with the batteries and other components of our energy storage systems. Such systems may contain undetected or latent errors or defects. In the past, we have discovered latent defects in energy storage systems. In connection with such defects, we could incur significant expenses or disruptions of our operations, including to our energy storage network, that would prevent us from performing the automated data engineering required to support our AI processes and energy storage network. Any manufacturing defects or

other failures of our energy storage systems to perform as expected could cause us to incur significant re-engineering costs, divert the attention of our personnel from operating and maintenance efforts, expose us to adverse regulatory action and litigation and significantly and adversely affect customer satisfaction, market acceptance and our business reputation. Furthermore, our OEM suppliers may be unable to correct manufacturing defects or other failures of any energy storage systems in a manner satisfactory to our customers, which could adversely affect customer satisfaction, market acceptance and our business reputation.

On rare occasions, lithium-ion batteries can rapidly release the energy they contain by venting smoke and flames in a manner that can ignite nearby materials as well as other lithium-ion batteries. Any such occurrences could subject us to lawsuits, product recalls or redesign efforts, all of which would be time consuming and expensive. Also, negative public perceptions regarding the suitability of lithium-ion batteries for energy applications or any future incident involving lithium-ion batteries, such as a plant, vehicle or other fire, even if such incident does not involve hardware provided by us, could adversely affect our business and reputation.

If our estimates of useful life for our energy storage systems and related hardware and software-enabled services are inaccurate, or if our OEM suppliers do not meet service and performance warranties and guarantees, our business and financial results could be adversely affected.

We sell hardware and software-enabled services to our customers. Our software-enabled services are essential to the operation of these hardware products. As a result, in connection with the sales of energy storage hardware, we enter into recurring long-term services agreements with customers for the usage of our Athena platform for approximately 3 to 20 years. Our pricing of services contracts is based upon the value we expect to deliver to our customers, including considerations such as the useful life of the energy storage system and prevailing electricity prices. We also provide performance warranties and guarantees covering the efficiency and output performance of our software-enabled services. We do not have a long history with a large number of field deployments, and our estimates may prove to be incorrect. Failure to meet these performance warranties and guarantee levels may require us to refund our service contract payments to the customer, or require us to make cash payments to the customer based on actual performance, as compared to expected performance.

Further, the occurrence of any defects, errors, disruptions in service, or other performance problems, interruptions, or delays associated with our energy storage systems or the Athena platform, whether in connection with day-to-day operations or otherwise, could result in:

•loss of customers;

•loss or delayed market acceptance and sales of our hardware and software-enabled services;

•delays in payment to us by customers;

•injury to our reputation and brand;

•legal claims, including warranty and service level agreement claims, against us; or

•diversion of our resources, including through increased service and warranty expenses or financial concessions, and increased insurance costs.

The costs incurred in correcting any material defects or errors in our hardware and software or other performance problems may be substantial and could adversely affect our business, financial condition and results of operations.

Future product recalls could materially adversely affect our business, financial condition and operating results.

Any product recall in the future, whether it involves our or a competitor’s product, may result in negative publicity, damage our brand and materially and adversely affect our business, financial condition and results of operations. In the future, we may voluntarily or involuntarily initiate a recall if any of our products are proven to be or possibly could be defective or noncompliant with applicable environmental laws and regulations, including health and safety standards. Such recalls involve significant expense and diversion of management attention and other resources, which could adversely affect our brand image, as well as our business, financial condition and operating results.

We primarily rely on Amazon Web Services to deliver our services to users on our Athena platform, and any disruption of, or interference with, our use of Amazon Web Services could adversely affect our business, financial condition and results of operations.

We currently host our Athena platform and support our energy storage network operations on one or more data centers provided by Amazon Web Services (“AWS”), a third-party provider of cloud infrastructure services. We do not have control

over the operations of the facilities of AWS that we use. AWS’ facilities are vulnerable to damage or interruption from natural disasters, cybersecurity attacks, terrorist attacks, power outages, and similar events or acts of misconduct.

Our Athena platform’s continuing and uninterrupted performance is critical to our success. We have experienced, and expect that in the future we will experience, interruptions, delays, and outages in service and availability from time to time due to a variety of factors, including infrastructure changes, human or software errors, website hosting disruptions and capacity constraints. In addition, any changes in AWS’ service levels may adversely affect our ability to meet the requirements of users on our Athena platform. Since our Athena platform’s continuing and uninterrupted performance is critical to our success, sustained or repeated system failures would reduce the attractiveness of our hardware and software-enabled services to customers. It may become increasingly difficult to maintain and improve our performance, as we expand and our energy storage network grows, increasing customer reliance on the Athena platform. Any negative publicity arising from any disruptions to AWS’ facilities, and as a result, our Athena platform could adversely affect our reputation and brand and may adversely affect the usage of our hardware and software-enabled services. Any of the above circumstances or events may adversely affect our reputation and brand, reduce the availability or usage of our hardware and software- enabled services, lead to a significant short-term loss of revenue, increase our costs, and impair our ability to attract new users, any of which could adversely affect our business, financial condition and results of operations.

Our commercial agreement with AWS will remain in effect until terminated by AWS or us. AWS may terminate the agreement for convenience by providing us at least thirty (30) days’ advance notice. AWS may also terminate the agreement for cause upon a material breach of the agreement, subject to AWS providing prior written notice and a 30-day cure period, and may in some cases terminate the agreement immediately for cause upon written notice. Even though our platform is entirely in the cloud, we believe that we could transition to one or more alternative cloud infrastructure providers on commercially reasonable terms. If our agreement with AWS is terminated or we add additional cloud infrastructure service providers, we may experience significant costs or downtime for a short period in connection with the transfer to, or the addition of, new cloud infrastructure service providers. However, we do not believe that such transfer to, or the addition of, new cloud infrastructure service providers would adversely affect our business, financial condition and results of operations over the longer term.

Any failure to offer high-quality technical support services may adversely affect our relationships with our customers and adversely affect our financial results.

Our customers depend on our support organization to resolve any technical issues relating to our hardware and software-enabled services. In addition, our sales process is highly dependent on the quality of our hardware and software-enabled services, on our business reputation and on strong recommendations from our existing customers. Any failure to maintain high-quality and highly-responsive technical support, or a market perception that we do not maintain high-quality and highly-responsive support, could adversely affect our reputation, our ability to sell our products to existing and prospective customers, and our business, financial condition and results of operations.

We offer technical support services with our hardware and software-enabled services and may be unable to respond quickly enough to accommodate short-term increases in demand for support services, particularly as we increase the size of our customer base. We also may be unable to modify the format of our support services to compete with changes in support services provided by competitors. It is difficult to predict demand for technical support services and if demand increases significantly, we may be unable to provide satisfactory support services to our customers. Additionally, increased demand for these services, without corresponding revenue, could increase costs and adversely affect our business, financial condition and results of operations.

Our business currently depends on the availability of rebates, tax credits and other financial incentives. The reduction, modification, or elimination of government economic incentives could cause our revenue to decline and adversely affect business, financial condition and results of operations.

The U.S. federal government and some state and local governments provide incentives to end users and purchasers of our energy storage systems in the form of rebates, tax credits and other financial incentives, such as system performance payments and payments for renewable energy credits associated with renewable energy generation. In addition, some countries outside the United States also provide incentives to current and future end users and purchasers of our energy storage systems. We rely on these governmental rebates, tax credits and other financial incentives to significantly lower the effective price of the hardware and software-enabled services we offer to our customers. However, these incentives may expire on a particular date, end when the allocated funding is exhausted, or be reduced or terminated as a matter of regulatory or legislative policy.

Our energy storage systems and asset performance monitoring and control solutions have qualified for tax exemptions, incentives or other customer incentives in many states. Some states have utility procurement programs and/or renewable portfolio standards for which our technology is eligible. Our offerings are currently installed in various U.S. states, each of which may have its own enabling policy framework. There is no guarantee that these policies will continue to exist in their

current form, or at all. Such state programs may face increased opposition on the U.S. federal, state and local levels in the future. Changes in incentive programs could reduce demand for our offerings, impair sales financing and adversely impact our business results.

The economic benefit of our offerings to our customers depends on the cost of electricity available from alternative sources, including local electric utility companies, which cost structure is subject to change.

The economic benefit of our offerings to our customers includes, among other things, the benefit of reducing such customer’s payments to the local electric utility company. The rates at which electricity is available from a customer’s local electric utility company is subject to change and any changes in such rates may affect the relative benefits of our energy storage systems. Factors that could influence these rates include the effect of energy conservation initiatives that reduce electricity consumption, construction of additional power generation plants (including nuclear, coal or natural gas), and technological developments by others in the electric power industry. Further, the local electric utility may impose “departing load,” “standby” or other charges on our customers in connection with their acquisition of our energy storage systems, the amounts of which are outside of our control and which may have a material impact on the economic benefit of our energy storage systems to our customers. Changes in the rates offered by local electric utilities and/or in the applicability or amounts of charges and other fees imposed by such utilities on customers acquiring our energy storage systems could adversely affect the demand for our energy storage systems.

Additionally, even with available subsidies for our systems, the electricity produced by our energy storage systems is currently not cost competitive in some geographic markets, and we may be unable to reduce our costs to a level at which our energy storage systems would be competitive in such markets. As such, unless the cost of electricity in these markets rises or we are able to generate demand for our energy storage systems based on benefits other than electricity cost savings, our potential for growth in those markets may be limited.

Our business is subject to risks associated with construction, utility interconnection and delays, including those related to obtaining government permits and other contingencies that may arise in the course of completing installations.

Although we are not regulated as a utility, federal, state and local government statutes and regulations concerning electricity heavily influence the demand for our products and services. These statutes and regulations often relate to electricity pricing, net metering, incentives, taxation and the rules surrounding the interconnection of customer-owned electricity generation for specific technologies. In the U.S., governments frequently modify these statutes and regulations. Governments, often acting through state utility or public service commissions, may change or adopt different requirements for utilities and rates for commercial customers on a regular basis. Changes, or in some cases a lack of change, in any of the laws, regulations, ordinances or other rules that apply to customer installations and new technology could make it more costly for our customers to install and operate our energy storage systems on particular sites, and in turn could negatively affect our ability to deliver cost savings to customers for the purchase of electricity.

The installation and operation of our energy storage systems at a particular site is also generally subject to oversight and regulation in accordance with national, state and local laws and ordinances relating to building codes, safety, environmental protection and related matters, and typically requires obtaining and keeping in good standing various local and other governmental approvals and permits, including environmental approvals and permits, that vary by jurisdiction. In some cases, these approvals and permits require periodic renewal. It is difficult and costly to track the requirements of every individual authority having jurisdiction over energy storage system installations, to design our energy storage systems to comply with these varying standards, and for our customers to obtain all applicable approvals and permits. We cannot predict whether or when all permits required for a given customer’s project will be granted or whether the conditions associated with the permits will be achievable. The denial or delay of a permit or utility connection essential to a project or the imposition of impractical conditions would impair our customer’s ability to develop the project. In addition, we cannot predict whether the permitting process will be lengthened due to complexities and appeals. Delay in the review and permitting process for a project can impair or delay our customers’ abilities to develop that project or increase the cost so substantially that the project is no longer attractive to our customers. Furthermore, unforeseen delays in the review and permitting process could delay the timing of the installation of our energy storage systems and could therefore adversely affect the timing of the recognition of revenue related to hardware acceptance by our customer, which could adversely affect our operating results in a particular period.

In addition, the successful installation of our energy storage systems is dependent upon the availability of and timely connection to the local electric grid. We may be unable to obtain the required consent and authorization of local utilities to ensure successful interconnection to energy grids to enable the successful discharge of renewable energy to customers. Any delays in our customers’ ability to connect with utilities, delays in the performance of installation-related services or poor performance of installation-related services will have an adverse effect on our results and could cause operating results to vary materially from period to period.

Our business depends on customers renewing their services subscriptions. If customers do not continue to use our subscription offerings or if we fail to expand the availability of hardware and software-enabled services available to our customers, our business and operating results will be adversely affected.

In addition to upfront sale of hardware and network integration, we depend on customers continuing to subscribe to services enabled by our Athena platform. Therefore, it is important that customers renew their subscriptions when the contract term expires, increase their purchases of our hardware and network solutions and enhance their subscriptions. Customers may decide not to renew their subscriptions with a similar contract period, at the same prices or terms or with the same or a greater number of users or level of functionality. Customer retention may decline or fluctuate as a result of a number of factors, including satisfaction with software-enabled services and features, functionality of our energy storage hardware and software-enabled services, prices, the features and pricing of competing products, reductions in spending levels, mergers and acquisitions involving customers and deteriorating general economic conditions.

If customers do not renew their subscriptions, if they renew on less favorable terms, if they fail to increase their purchase of our hardware and software-enabled services, or if they fail to refer us their customers and partners as potential new customers, our business, financial condition and results of operations will be adversely affected.

Changes in subscriptions or pricing models may not be reflected in near-term operating results.

We generally recognize subscription revenue from customers ratably over the terms of their contracts. As a result, most of the subscription revenue reported in each quarter is derived from the recognition of deferred revenue relating to subscriptions entered into during previous quarters. Consequently, a decline in new or renewed subscriptions in any single quarter will likely have only a small impact on revenue for that quarter. However, such a decline will negatively affect revenue in future quarters. In addition, the severity and duration of events may not be predictable and their effects could extend beyond a single quarter. Accordingly, the effect of significant downturns in sales and market acceptance of subscription services, and potential changes in pricing policies or rate of renewals, may not be fully apparent until future periods.

Severe weather events, including the effects of climate change, are inherently unpredictable and may have a material adverse effect on our financial results and financial condition.

Our business, including our customers and suppliers, may be exposed to severe weather events and natural disasters, such as tornadoes, tsunamis, tropical storms (including hurricanes), earthquakes, windstorms, hailstorms, severe thunderstorms, flooding, wildfires and other fires, extreme heatwaves, drought and power shut-offs causing, among other things, disruptions to our supply chain or utility interconnections and/or damage to energy storage systems installed at our customers’ sites. Such damage or disruptions may prevent us from being able to satisfy our contractual obligations or may reduce demand from our customers for our energy storage systems causing our operating results to vary significantly from one period to the next. We may incur losses in our business in excess of: (1) those experienced in prior years, (2) the average expected level used in pricing, or (3) current insurance coverage limits.

The incidence and severity of severe weather conditions and other natural disasters are inherently unpredictable. Climate change is projected to affect the occurrence of certain natural events, such as an increase in the frequency or severity of wind and thunderstorm events, and tornado or hailstorm events due to increased convection in the atmosphere; more frequent wildfires and subsequent landslides in certain geographies; higher incidence of deluge flooding; and the potential for an increase in severity of the hurricane events due to higher sea surface temperatures. Changing market dynamics, global policy developments and the increasing frequency and impact of extreme weather events on critical infrastructure in the U.S. and elsewhere as a result of climate change have the potential to disrupt our business, the business of our suppliers and the business of our customers, and may cause us to experience higher attrition, losses and additional costs to maintain or resume operations. Additionally, climate change and the occurrence of severe weather events may adversely impact the demand, price, and availability of insurance. Due to significant variability associated with future changing climate conditions, we are unable to predict the impact climate change will have on our business.

Increased scrutiny from stakeholders and regulators regarding ESG practices and disclosures, including those related to sustainability, and disclosure could result in additional costs and adversely impact our business and reputation.

Companies across all industries are facing increased scrutiny regarding their ESG practices and disclosures and institutional and individual investors are increasingly using ESG screening criteria in making investment decisions. Our disclosures on these matters or a failure to satisfy evolving stakeholder expectations for ESG practices and reporting may potentially harm our reputation and impact employee retention, customer relationships and access to capital. For example, certain market participants use third-party benchmarks or scores to measure a company’s ESG practices in making investment decisions and customers and supplies may evaluate our ESG practices or require that we adopt certain ESG policies as a condition of awarding contracts. In addition, our failure or perceived failure to pursue or fulfill our goals, targets and objectives

or to satisfy various reporting standards within the timelines we announce, or at all, could expose us to government enforcement actions and private litigation.

Our ability to achieve any goal or objective, including with respect to environmental and diversity initiatives and compliance with ESG reporting standards, is subject to numerous risks, many of which are outside of our control. Examples of such risks include the availability and cost of technologies and products that meet sustainability and ethical supply chain standards, evolving regulatory requirements affecting ESG standards or disclosures, our ability to recruit, develop and retain diverse talent in our labor markets, and our ability to develop reporting processes and controls that comply with evolving standards for identifying, measuring and reporting ESG metrics. Methodologies for reporting ESG data may be updated and previously reported ESG data may be adjusted to reflect improvement in availability and quality of third-party data, changes in assumptions, changes in the nature and scope of our operations and other changes in circumstances. Our processes and controls for reporting ESG matters across our operations and supply chain are evolving along with multiple disparate standards for identifying, measuring, and reporting ESG metrics, including ESG-related disclosures that may be required by the SEC, European and other regulators, and such standards may change over time, which could result in significant revisions to our current goals, reported progress in achieving such goals, or ability to achieve such goals in the future. As ESG best-practices, reporting standards and disclosure requirements continue to develop, we may incur increasing costs related to ESG monitoring and reporting.

We Face Risks Related to our DevCo Business Model

From time to time, we have entered into strategic joint ventures with qualified third parties to develop energy storage power generation projects (“DevCo Projects”), as more fully described under Note 1 — Business, in the accompanying notes to the consolidated financial statements in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K. These projects require upfront investment by us and involve a high degree of risk. The success of this business model depends in large part on the successful development, financing and construction of projects. However, such projects ultimately may not be commercially viable or may not result in an adequate return of capital and, in pursuing these projects, we may incur unanticipated liabilities. Successful completion of a project may be adversely affected, delayed or rendered infeasible by numerous factors, including:

•interconnection costs and capacity constraints;

•transmission grid congestion issues;

•delays in obtaining required governmental permits and approvals;

•regulatory changes that adversely affect energy storage participation in wholesale markets;

•changes in wholesale market energy and ancillary services prices and costs;

•construction delays and contractor or developer partner performance shortfalls;

•cost overruns, including costs related to renting or owning land necessary to develop DevCo Projects;

•labor, equipment, and material supply shortages, failures or disruptions; and

•force majeure and other events out of our control.

In addition, our joint venture partners may at any time have economic, business or legal interests or goals that are inconsistent with the goals of the DevCo Project. Disagreements with our business partners may impede our ability to recognize the benefits of our DevCo Projects. Our joint venture partners may be unable or unwilling to meet their performance or other obligations under the operative documents, and we may be required to fulfill those obligations or to dissolve and liquidate the DevCo Project.

If a DevCo Project experiences any of the factors listed above or otherwise fails to reach completion or is significantly delayed, we could lose all or a portion of our development capital investment. If a DevCo Project fails then we may be unable to recover our investment. Losing or delaying return of all or a portion of our investments in our DevCo Projects could have a material adverse effect on our business, financial condition and results of operations.

We depend on significant customers for a substantial portion of our revenue. If we fail to retain or expand our customer relationships or significant customers reduce their purchases, our revenue could decline significantly.

We depend on a small number of significant customers for our sales, and a small number of customers have historically accounted for a material portion of our revenue. The loss of any one of our significant customers, their inability to perform under their contracts, their termination or failure to renew their contracts with us, or their default in payment could cause our revenue and our working capital to decline materially. As of December 31, 2023, we had $302.8 million of accounts receivable including $190.2 million of unbilled receivables. Certain of our unbilled arrangements totaling $73.5 million as of

December 31, 2023, with our significant customers have variability as to the timing and price, which the realization may differ from what is currently projected by the Company. For the near future, we may continue to derive a significant portion of our revenue from a small number of customers. For the fiscal year ended December 31, 2023, one customer accounted for approximately 26% of our revenue. Loss of a significant customer or a significant reduction in pricing or order volume from a significant customer could materially reduce our revenue and operating results in any reporting period.

In addition, we are subject to credit risk of our customers, and our operating results depend on receipt of timely payments from our customers. Any delay in payment by our customers may have an adverse effect on revenue and operating results. There is no assurance that we will be able to collect all or any of the amounts owed to us in a timely matter. If any of our customers face unexpected situations such as financial difficulties, we may not be able to receive full or any payment of the uncollected sums or enforce any judgment debts against such clients, and our business, results of operations and financial condition could be materially and adversely affected.

Our estimates of variable consideration related to revenue recognition in connection with guarantees that we have issued under certain customer contracts are difficult to estimate, and if our subsequent estimates differ significantly from initial estimates, we will be required to record an adjustment in a subsequent period.

Our estimates of variable consideration related to revenue recognition in connection with guarantees that we have issued under certain customer contracts are difficult to estimate, as they are based on estimates and assumptions that management believes to be reasonable but may materially differ from actual results. For example, in certain customer contracts, we previously agreed to provide a guarantee that the value of hardware purchased by a customer will not decline for a certain period of time. Under these guarantees, if such customers were unable to install or designate the hardware to a specified project within such period of time, we would be required to assist the customer in re-marketing the hardware for resale by the customer. Such guarantees provide that, in such cases, if the customer resells the hardware for less than the amount initially sold to the customer, we will be required to compensate the customer for any shortfall in resale price of the hardware from the initial contract purchase price. We account for such guarantees as variable consideration at each measurement date. We update our estimate of variable consideration, including changes in estimates related to such guarantees, each quarter for facts or circumstances that have changed from the time of the initial estimate. For example, we recorded a net revenue reduction of $35.1 million in hardware revenue during the year ended December 31, 2023. If our future estimates of variable consideration with respect to these or other guarantees differ significantly from initial estimates, we would need to record an adjustment to earnings to reverse the revenue previously recognized, and depending on the magnitude of any such adjustment, our results of operations could be materially and adversely affected.

Risks Related to Third-Party Partners

Our hardware and software-enabled services rely on interconnections to distribution and transmission facilities that are owned and operated by third parties, and as a result, are exposed to interconnection and transmission facility development and curtailment risks.

Our hardware and software-enabled services are interconnected with electric distribution and transmission facilities owned and operated by regulated utilities necessary to deliver the electricity that our storage systems produce. A failure or delay in the operation or development of these distribution or transmission facilities could result in a loss of revenues or breach of a contract because such a failure or delay could limit the amount of renewable electricity that our energy storage systems deliver or delay the completion of our customers’ construction projects. In addition, certain of our energy storage systems’ generation may be curtailed without compensation due to distribution and transmission limitations, reducing our revenues and impairing our ability to capitalize fully on a particular customer project’s potential. Such a failure or curtailment at levels above our expectations could impact our ability to satisfy agreements entered into with our suppliers and adversely affect our business.

Our growth depends in part on the success of our relationships with third parties, including contractors and project developers

We rely on third-party general contractors to install energy storage systems at our customers’ sites. We currently work with a limited number of general contractors, which has impacted and may continue to impact, our ability to facilitate customer installations as planned. Our work with contractors or their subcontractors may have the effect of our being required to comply with additional rules (including rules unique to our customers), working conditions, site remediation and other union requirements, which can add costs and complexity to an installation project. The timeliness, thoroughness and quality of the installation-related services performed by our general contractors and their subcontractors in the past have not always met our expectations or standards, and in the future may not meet our expectations and standards. It may be difficult to find and train third-party general contractors that meet our standards at a competitive cost.

In addition, we are investing resources in establishing strategic relationships with market players across a variety of industries, including large renewable project developers, to generate new customers. These programs may not roll out as quickly as planned or produce the results we anticipated. A significant portion of our business depends on attracting new partners and retaining existing partners. Negotiating relationships with our partners, investing in due diligence efforts with potential partners, training such third parties and contractors and monitoring them for compliance with our standards require significant time and resources and may present greater risks and challenges than expanding a direct sales or installation team. If we are not successful in establishing or maintaining our relationships with these third parties, our ability to grow our business and address our market opportunity could be impaired. Even if we are able to establish and maintain these relationships, we may not be able to execute on our goal of leveraging these relationships to meaningfully expand our business, brand estimates of variable consideration related to revenue recognition, and customer base. Such circumstances would limit our growth potential and our opportunities to generate significant additional revenue or cash flows.

We must maintain customer confidence in our long-term business prospects in order to grow our business.

Customers may be less likely to purchase our hardware and services if they do not believe that our business will succeed or that our services and support and other operations will continue in the long term. Similarly, suppliers and other third parties will be less likely to invest time and resources in developing business relationships with us if they do not believe that our business will succeed. Accordingly, in order to build and maintain our business, we must maintain confidence among customers, suppliers, analysts, ratings agencies and other parties in our hardware and software-enabled services, long-term financial viability and business prospects. Maintaining such confidence may be particularly complicated by certain factors including those that are largely outside of our control, such as our limited operating history, customer unfamiliarity with our hardware and software-enabled services, delivery and service operations to meet demand, competition, future changes in the evolving distributed and renewable energy markets or uncertainty regarding sales performance compared with market expectations.

Accordingly, in order to grow our business, we must maintain confidence among our customers, OEM suppliers, third-party general contractor partners, financing partners and other parties in our long-term business prospects. This may be particularly complicated by factors such as:

•our limited operating history at current scale;

•our historical and anticipated near-term lack of profitability;

•unfamiliarity with or uncertainty about our energy storage systems and the overall perception of the distributed and renewable energy generation markets;

•prices for electricity in particular markets;

•competition from alternate sources of energy;

•warranty or unanticipated service issues we may experience in connection with third-party manufactured hardware and our proprietary software;

•the environmental consciousness and perceived value of environmental programs to our customers;

•the size of our expansion plans in comparison to our existing capital base and the scope and history of operations; and

•the availability and amount of incentives, credits, subsidies or other programs to promote installation of energy storage systems.

Several of these factors are largely outside our control, and any negative perceptions about our long-term business prospects, even if unfounded, would likely adversely affect our business, financial condition and results of operations.

Risks Related to Our Intellectual Property and Technology

If we are unsuccessful in developing and maintaining our proprietary technology, including our Athena platform, our ability to attract and retain partners could be impaired, our competitive position could be adversely affected and our revenue could be reduced.

Our future growth depends on our ability to continue to develop and maintain our proprietary technology that supports our hardware and software-enabled services, including our Athena platform. In the event that our current or future products and services require features that we have not developed or licensed, or we lose the benefit of an existing license, we will be required to develop or obtain such technology through purchase, license or other arrangements. If the required technology is not available on commercially reasonable terms, or at all, we may incur additional expenses in an effort to internally develop the required technology. We have received patents and have filed patent applications with respect to certain aspects of our technology, and we generally rely on patent protection with respect to our proprietary technology, as well as a combination of

trade secrets and copyright law, employee and third-party non-disclosure agreements and other protective measures to protect intellectual property rights pertaining to our proprietary technology and hardware and software- enabled services. There can be no assurance that the steps taken by us to protect any of our proprietary technology will be adequate to prevent misappropriation of these technologies by third parties. If we were unable to maintain our existing proprietary technology, our ability to attract and retain customers could be impaired, our competitive position could be adversely affected, and our revenue could be reduced.

A failure of our information technology (“IT”) and data security infrastructure could adversely affect our business and operations.

The efficient operation of our business depends on our IT systems, some of which are managed by third-party service providers. We rely upon the capacity, reliability and security of our IT and data security infrastructure and our ability to effectively manage our business data, accounting, financial, legal and compliance functions, communications, supply chain, order entry and fulfillment, and expand and routinely update this infrastructure in response to the changing needs of our business. Our existing IT systems and any new IT systems we utilize may not perform as expected. If we experience a problem with the functioning of an important IT system or a security breach of our IT systems, including during system upgrades or new system implementations, the resulting disruptions could adversely affect our business.

Despite our implementation of reasonable security measures, our IT systems, like those of other companies, are vulnerable to damages from computer viruses, natural disasters, fire, power loss, telecommunications failures, personnel misconduct, human error, unauthorized access, physical or electronic security breaches, cyber-attacks (including malicious and destructive code, phishing attacks, ransomware, and denial of service attacks), and other similar disruptions. Such attacks or security breaches may be perpetrated by bad actors internally or externally (including computer hackers, persons involved with organized crime, or foreign state or foreign state-supported actors). Cybersecurity threat actors employ a wide variety of methods and techniques that are constantly evolving, increasingly sophisticated, and difficult to detect and successfully defend against. Moreover, we may not have the current capability to detect certain vulnerabilities, which may allow those vulnerabilities to persist in our systems over long periods of time. Geopolitical tensions or conflicts, such as Russia’s invasion of Ukraine, may further heighten the risk of cyber-attacks. We have experienced such incidents in the past, and any future incidents could expose us to claims, litigation, regulatory or other governmental investigations, administrative fines and potential liability. Any system failure, accident or security breach could result in disruptions to our operations. A material network breach in the security of our or our service providers’ IT systems could include the theft of our trade secrets, customer information, human resources information or other confidential data, including but not limited to personally identifiable information. Although past incidents have not had a material adverse effect on our business operations or financial performance, to the extent that any disruptions or security breach results in a loss or damage to our data, or an inappropriate disclosure of confidential, proprietary or customer information, it could cause significant damage to our reputation, affect our relationships with our customers and strategic partners, lead to claims against us from governments and private plaintiffs, and otherwise adversely affect our business. We cannot guarantee that future cyberattacks, if successful, will not have a material effect on our business or financial results.

Many governments have enacted laws requiring companies to provide notice of cyber incidents involving certain types of data, including personal data. If an actual or perceived cybersecurity breach of security measures, unauthorized access to our system or the systems of the third-party vendors that we rely upon, or any other cybersecurity threat occurs, we may incur liability, costs, or damages, contract termination, our reputation may be compromised, our ability to attract new customers could be negatively affected, and our business, financial condition, and results of operations could be materially and adversely affected. Any compromise of our security could also result in a violation of applicable domestic and foreign security, privacy or data protection, consumer and other laws, regulatory or other governmental investigations, enforcement actions, and legal and financial exposure, including potential contractual liability. In addition, we may be required to incur significant costs to protect against and remediate damage caused by these disruptions or security breaches in the future. While we carry cyber insurance, we cannot be certain that our coverage will be adequate for liabilities actually incurred, that insurance will continue to be available to us on commercially reasonable terms, or at all, or that any insurer will not deny coverage as to any future claim.

Our technology, including the Athena platform, could have undetected defects, errors or bugs in hardware or software which could reduce market adoption, damage our reputation with current or prospective customers and/or expose us to product liability and other claims that could materially and adversely affect our business.

We may be subject to claims that our hardware and software-enabled services, including the Athena platform have malfunctioned and persons were injured or purported to be injured. Any insurance that we carry may not be sufficient or it may not apply to all situations. Similarly, to the extent that such malfunctions are related to components obtained from third-party vendors, such vendors may not assume responsibility for such malfunctions. In addition, our customers could be subjected to claims as a result of such incidents and may bring legal claims against us to attempt to hold us liable. Any of these events could adversely affect our brand, relationships with customers, operating results or financial condition.

Furthermore, our Athena platform is complex, developed for over a decade by many developers, and includes a number of licensed third-party commercial and open-source software libraries. Our software has contained defects and errors and may in the future contain undetected defects or errors. We continue to evolve the features and functionality of our platform through updates and enhancements, and as we do, we may introduce additional defects or errors that may not be detected until after deployment to customers through our hardware. In addition, if our hardware and software-enabled services, including any updates or patches, are not implemented or used correctly or as intended, inadequate performance and disruptions in service may result.

Any defects or errors in product or services offerings, or the perception of such defects or errors, or other performance problems could result in any of the following, each of which could adversely affect our business, financial condition and results of operations:

•expenditure of significant financial and product development resources, including recalls, in efforts to analyze, correct, eliminate or work around errors or defects;

•loss of existing or potential customers or partners;

•interruptions or delays in sales;

•delayed or lost revenue;

•delay or failure to attain market acceptance;

•delay in the development or release of new functionality or improvements;

•negative publicity and reputational harm;

•sales credits or refunds;

•exposure of confidential or proprietary information;

•diversion of development and customer service resources;

•breach of warranty claims;

•legal claims under applicable laws, rules and regulations; and

•the expense and risk of litigation.

Although we have contractual protections, such as warranty disclaimers and limitation of liability provisions, in many of our agreements with customers, resellers and other business partners, such protections may not be uniformly implemented in all guarantees that we have issued under certain customer contracts and, where implemented, may not fully or effectively protect from claims by customers, resellers, business partners or other third parties. Any insurance coverage or indemnification obligations of suppliers may not adequately cover all such claims, or cover only a portion of such claims. A successful product liability, warranty, or other similar claim could have an adverse effect on our business, financial condition and operating results. In addition, even claims that ultimately are unsuccessful could result in expenditure of funds in litigation, divert management’s time and other resources and cause reputational harm.

Our failure to adequately secure, protect and enforce our intellectual property rights may undermine our competitive position, and litigation to protect our intellectual property rights may be costly.

Although we have taken many protective measures to protect our intellectual property, including trade secrets, policing unauthorized use of proprietary technology can be difficult and expensive. For example, many of our software developers reside in California and we cannot legally prevent them from working for a competitor.

Also, litigation may be necessary to enforce our intellectual property rights, protect our trade secrets, or determine the validity and scope of the proprietary rights of others. Such litigation may result in our intellectual property rights being challenged, limited in scope or declared invalid or unenforceable. We cannot be certain that the outcome of any litigation will be in our favor, and an adverse determination in any such litigation could impair our intellectual property rights and may adversely affect our business, prospects and reputation.

We rely primarily on patent, trade secret and trademark laws, and non-disclosure, confidentiality, and other types of contractual restrictions to establish, maintain, and enforce our intellectual property and proprietary rights. However, our rights under these laws and agreements afford us only limited protection and the actions we take to establish, maintain, and enforce our intellectual property rights may not be adequate. For example, our trade secrets and other confidential information could be disclosed in an unauthorized manner to third parties, our owned or licensed intellectual property rights could be challenged,

invalidated, circumvented, infringed, or misappropriated or our intellectual property rights may not be sufficient to provide us with a competitive advantage, any of which could have a material adverse effect on our business, financial condition and results of operations. Additionally, we rely on our brand names, trade names and trademarks to distinguish our products and services, such as our Athena® platform, from the products of our competitors; however, third parties may oppose our trademark applications, or otherwise challenge our use of such trademarks. In the event that our trademarks are successfully challenged and we lose rights to use those trademarks, we could be forced to rebrand our products and services, which could result in the loss of goodwill and brand recognition. In addition, the laws of some countries do not protect proprietary rights as fully as do the laws of the U.S. As a result, we may not be able to protect our proprietary rights adequately abroad.

Our patent applications may not result in issued patents, and our issued patents may not provide adequate protection, which may have a material adverse effect on our ability to prevent others from commercially exploiting products similar to ours.

We cannot be certain that our pending patent applications will result in issued patents or that any of our issued patents will afford protection against a competitor. The status of patents involves complex legal and factual questions, and the breadth of claims allowed is uncertain. As a result, we cannot be certain that the patent applications that we file will result in patents being issued, or that our patents and any patents that may be issued to us in the future will afford protection against competitors with similar technology. In addition, patent applications filed in foreign countries are subject to laws, rules and procedures that differ from those of the U.S., and thus we cannot be certain that foreign patent applications related to issued U.S. patents will be issued in other regions. Furthermore, even if these patent applications are accepted and the associated patents issued, some foreign countries provide significantly less effective patent enforcement than in the U.S.

In addition, patents issued to us may be infringed upon or designed around by others and others may obtain patents that we need to license or design around, either of which would increase costs and may adversely affect our business, prospects, and operating results.

We may need to defend ourselves against claims that we infringe, have misappropriated or otherwise violate the intellectual property rights of others, which may be time consuming and would cause us to incur substantial costs.

Companies, organizations, or individuals, including our competitors, may hold or obtain patents, trademarks, or other proprietary rights that they may in the future believe are infringed by our products and services. Although we are not currently subject to any claims related to intellectual property, these companies holding patents or other intellectual property rights allegedly relating to our technologies could, in the future, make claims or bring suits alleging infringement, misappropriation or other violations of such rights, or otherwise asserting their rights and seeking licenses or injunctions. Several of the proprietary components used in our energy storage systems have been subjected to infringement challenges in the past. We also generally indemnify our customers against claims that the hardware and software-enabled services we supply infringe, misappropriate, or otherwise violate third-party intellectual property rights, and we may therefore be required to defend our customers against such claims. If a claim is successfully brought in the future and we or our hardware and software-enabled services are determined to have infringed, misappropriated, or otherwise violated a third-party’s intellectual property rights, we may be required to do one or more of the following:

•cease selling products or services that incorporate the challenged intellectual property;

•pay substantial damages (including treble damages and attorneys’ fees if our infringement is determined to be willful);

•obtain a license from the holder of the intellectual property right, which license may not be available on reasonable terms or at all; or

•redesign our products or services, which may not be possible or cost-effective.

Any of the foregoing could adversely affect our business, financial condition and operating results. In addition, any litigation or claims, whether or not valid, could adversely affect our reputation, result in substantial costs, and divert resources and management attention.

We also license technology from third parties, and incorporate components supplied by third parties into our hardware. We may face claims that our use of such technology or components infringes or otherwise violates the rights of others, which would subject us to the risks described above. We may seek indemnification from our licensors or suppliers under our contracts with them, but our rights to indemnification or our suppliers’ resources may be unavailable or insufficient to cover our costs and losses.

Regulatory Risks

The installation and operation of our energy storage systems are subject to environmental laws and regulations in various jurisdictions, and there is uncertainty with respect to the interpretation of certain environmental laws and regulations to our energy storage systems, especially as these regulations evolve over time.

We are subject to national, state and local environmental laws and regulations, as well as environmental laws in those foreign jurisdictions in which we operate. Environmental laws and regulations can be complex and are evolving. These laws can give rise to liability for administrative oversight costs, cleanup costs, property damage, bodily injury, fines and penalties. We are committed to compliance with applicable environmental laws and regulations, including health and safety standards, and we routinely review the operation of our energy storage systems for health, safety and compliance. Our energy storage systems, like other battery technology-based products of which we are aware, produce small amounts of hazardous wastes and air pollutants, and we seek to handle these materials in accordance with applicable regulatory standards.

Maintaining compliance with laws and regulations can be challenging given the changing patchwork of environmental laws and regulations that prevail at the U.S. federal, state, regional and local levels and in foreign countries in which we operate. Most existing environmental laws and regulations preceded the introduction of battery technology and were adopted to apply to technologies existing at the time, namely large, coal, oil or gas-fired power plants. Currently, there is generally little guidance from these agencies on how certain environmental laws and regulations may, or may not, be applied to our technology.

In many instances, our technology is moving faster than the development of applicable regulatory frameworks. It is possible that regulators could delay or prevent us from conducting our business in some way pending agreement on, and compliance with, shifting regulatory requirements. Such actions could delay the sale to and installation by customers of energy storage systems, require their modification or replacement, result in fines, or trigger claims of performance warranties and defaults under customer contracts that could require us to refund hardware or service contract payments, any of which could adversely affect our business, financial performance and reputation.

Existing regulations and changes to such regulations impacting the electric power industry may create technical, regulatory and economic barriers which could significantly reduce demand for our energy storage systems.

The market for electricity generation products is heavily influenced by U.S. federal, state, local and foreign government regulations and policies, as well as by tariffs, internal policies and practices of electric utility providers. These regulations, tariffs and policies often relate to electricity pricing and technical interconnection of customer-owned electricity generation. These regulations, tariffs and policies are often modified and could continue to change, and this could result in a significant reduction in demand for our energy storage systems. For example, utility companies commonly charge fees industrial customers for disconnecting from the electric grid or for having the capacity to use power from the electric grid for back-up purposes. These fees could change, increasing the cost to our customers of using our offerings and making them less economically attractive.

Negative attitudes toward renewable energy projects from the U.S. government, other lawmakers and regulators, and activists could adversely affect our business, financial condition and results of operations.

Parties with an interest in other energy sources, including lawmakers, regulators, policymakers, environmental and advocacy organizations or other activists may invest significant time and money in efforts to delay, repeal or otherwise negatively influence regulations and programs that promote renewable energy. Many of these parties have substantially greater resources and influence than we have. Further, changes in U.S. federal, state or local political, social or economic conditions, including a lack of legislative focus on these programs and regulations, could result in their modification, delayed adoption or repeal. Any failure to adopt, delay in implementing, expiration, repeal or modification of these programs and regulations, or the adoption of any programs or regulations that encourage the use of other energy sources over renewable energy, could adversely affect our business, financial condition and results of operations.

Opposition to our customers’ project requests for permits or successful challenges or appeals to permits issued for their projects could adversely affect our operating plans.

A decrease in acceptance of renewable energy projects by local populations, an increase in the number of legal challenges, or an unfavorable outcome of such legal challenges could adversely affect the financial condition of our customers and reduce their demand for our hardware and software-enabled services. For example, persons, associations and groups could oppose renewable energy projects in general or our customers’ projects specifically, citing, for example, misuse of water resources, landscape degradation, land use, food scarcity or price increase and harm to the environment. Moreover, regulation may restrict the development of renewable energy plants in certain areas. In order to develop a renewable energy project, our customers are typically required to obtain, among other things, environmental impact permits or other authorizations and building permits, which in turn require environmental impact studies to be undertaken and public hearings and comment periods to be held during which any person, association or group may oppose a project. The effect of such public opposition to renewable energy

projects and any resulting reduction in customer demand for our hardware and software-enabled services could adversely affect our business, financial condition and results of operations.

Changes in the U.S. trade environment, including the imposition of import tariffs, could adversely affect the amount or timing of our revenues, results of operations or cash flows.

Escalating trade tensions, particularly between the United States and China, have led to increased tariffs and trade restrictions, including tariffs applicable to certain materials and components for products used in solar energy projects and the renewable energy market more broadly, such as module supply and availability. More specifically, in March 2018, the United States imposed a 25% tariff on steel imports and a 10% tariff on aluminum imports pursuant to Section 232 of the Trade Expansion Act of 1962 and has imposed additional tariffs on steel and aluminum imports pursuant to Section 301 of the Trade Act of 1974. To the extent we source products that contain overseas supplies of steel and aluminum, these tariffs could result in interruptions in the supply chain and negatively affect costs and our gross margins. Additionally, in January 2018, the United States adopted a tariff on imported solar modules and cells pursuant to Section 201 of the Trade Act of 1974. The tariff was initially set at 30%, with a gradual reduction over four years to 15%. While this tariff does not apply directly to the components we import, it may indirectly affect us by affecting the financial viability of solar energy projects, which could in turn reduce demand for our products. Furthermore, in July 2018, the United States adopted a 10% tariff on a long list of products imported from China under Section 301 of the Trade Act of 1974, including, inverters and power optimizers, which became effective on September 24, 2018. In June 2019, the Office of the U.S. Trade Representative increased the rate of such tariffs from 10% to 25%. While these tariffs are not directly applicable to our products, they could negatively affect the solar energy projects in which our products are used, which could lead to decreased demand for our products.

In addition, the United States currently imposes antidumping and countervailing duties on certain imported crystalline silicon photovoltaic (“PV”) cells and modules from China and Taiwan. Such antidumping and countervailing duties can change over time pursuant to annual reviews conducted by the U.S. Department of Commerce (“USDOC”), and an increase in duty rates could have an adverse impact on our operating results.

In February 2022, Auxin Solar Inc., a U.S. producer of crystalline silicon PV products, petitioned the USDOC to investigate alleged circumvention of antidumping and countervailing duties on crystalline silicon PV cell and module imports assembled and completed in Cambodia, Malaysia, Thailand, and Vietnam. In August 2023, USDOC issued a final determination that certain Chinese producers are circumventing antidumping and countervailing duties by shipping crystalline silicon PV cells and modules through Cambodia, Malaysia, Thailand, and Vietnam for minor processing. The United States has suspended until June 2024 collection of antidumping and countervailing duties on crystalline silicon PV cell and module imports from those four countries. The timing and progress of many of our customers’ projects depend upon the supply of PV cells and modules. As a result, if the if the United States begins collecting antidumping and countervailing duties on such products, it could adversely affect our business, financial condition and results of operations.

Tariffs, and the possibility of additional tariffs in the future, have created uncertainty in the industry. This has resulted in, and may continue to result in, some project delays. If the price of solar systems or energy storage systems in the United States increases, the use of these products could become less economically feasible and could reduce our gross margins or reduce the demand of such systems manufactured and sold, which in turn may decrease demand for our products. Additionally, existing or future tariffs may negatively affect key customers, suppliers, and manufacturing partners. Such outcomes could adversely affect the amount or timing of our revenues, results of operations or cash flows, and continuing uncertainty could cause sales volatility, price fluctuations or supply shortages, or cause our customers to advance or delay their purchase of our products. It is difficult to predict what further trade-related actions governments may take, which may include additional or increased tariffs and trade restrictions, and we may be unable to quickly and effectively react to such actions.

Some products that we import may also be affected by the Uyghur Forced Labor Prevention Act (the “UFLPA”), which was signed into law by President Biden on December 23, 2021. According to U.S. Customs and Border Protection, “it establishes a rebuttable presumption that the importation of any goods, wares, articles, and merchandise mined, produced, or manufactured wholly or in part in the Xinjiang Uyghur Autonomous Region of the People’s Republic of China, or produced by certain entities, is prohibited by Section 307 of the Tariff Act of 1930 and that such goods, wares, articles, and merchandise are not entitled to entry to the U.S. The presumption applies unless the Commissioner of U.S. Customs and Border Protection determines that the importer of record has complied with specified conditions and, by clear and convincing evidence, that the goods, wares, articles, or merchandise were not produced using forced labor.” There continues to be uncertainty regarding how to achieve full compliance with the UFLPA, whether related to sufficient traceability of materials or other factors. This has created a significant compliance burden and caused supply chain constraints and project delays for our customers that import certain products (including solar panels and related components) from China. Although our own product delivery schedules have not been materially affected thus far, future developments in the enforcement of the UFLPA and related withhold release orders issued by the U.S. Customs and Border Protection may result in disruptions to our own supply chains and future sales, and therefore negatively impact our business, financial condition, and results of operations.

Additional Risks Related to our Securities and Our Capital Structure

We may issue a significant number of shares in the future in connection with investments or acquisitions.

We may issue securities in the future in connection with investments or acquisitions or otherwise. The amount of shares of common stock issued in connection with an investment or acquisition could constitute a material portion of our then-outstanding shares of common stock. Any issuance of additional securities in connection with investments or acquisitions may result in additional dilution to our stockholders.

If we fail to maintain an effective system of disclosure controls and internal control over financial reporting, our ability to produce timely and accurate consolidated financial statements or comply with applicable regulations could be impaired.

We are subject to the reporting requirements of the Exchange Act, the Sarbanes-Oxley Act of 2002 (the “Sarbanes-Oxley Act”) and the rules and regulations of the applicable listing standards of the NYSE. We expect that the requirements of these rules and regulations will continue to increase our legal, accounting, and financial compliance costs; make some activities more difficult, time-consuming, and costly; and place significant strain on our personnel, systems, and resources.

The Sarbanes-Oxley Act requires, among other things, that we maintain effective disclosure controls and procedures and internal control over financial reporting. We continue to develop and refine our disclosure controls and other procedures that are designed to ensure that information required to be disclosed by us in the reports that we will file with the SEC is recorded, processed, summarized, and reported within the time periods specified in SEC rules and forms and that information required to be disclosed in reports under the Exchange Act is accumulated and communicated to our principal executive and financial officers. We also continue to improve our internal control over financial reporting. In order to maintain and improve the effectiveness of our disclosure controls and procedures and internal control over financial reporting, we have expended, and anticipate that we will continue to expend, significant resources, including accounting-related costs and significant management oversight.

Our current controls and any new controls that we develop may become inadequate because of changes in conditions in our business. In addition, changes in accounting principles or interpretations could also challenge our internal controls and require that we establish new business processes, systems, and controls to accommodate such changes. Additionally, if these new systems, controls, or standards and the associated process changes do not give rise to the benefits that we expect or do not operate as intended, it could adversely affect our financial reporting systems and processes, our ability to produce timely and accurate financial reports, or the effectiveness of internal control over financial reporting. Moreover, our business may be harmed if we experience problems with any new systems and controls that result in delays in their implementation or increased costs to correct any post-implementation issues that may arise.

Further, weaknesses in our disclosure controls and internal control over financial reporting may be discovered in the future. Any failure to develop or maintain effective controls or any difficulties encountered in their implementation or improvement could harm our business or cause us to fail to meet our reporting obligations and may result in a restatement of our consolidated financial statements for prior periods. Any failure to implement and maintain effective internal control over financial reporting also could adversely affect the results of periodic management evaluations and annual independent registered public accounting firm attestation reports regarding the effectiveness of our internal control over financial reporting. Ineffective disclosure controls and procedures and internal control over financial reporting could also cause investors to lose confidence in our reported financial and other information, which would likely have a negative effect on the trading price of our common stock. In addition, if we are unable to continue to meet these requirements, we may not be able to remain listed on the NYSE. We are required to provide an annual management report on the effectiveness of our internal control over financial reporting.

Our independent registered public accounting firm is required to formally attest to the effectiveness of our internal control over financial reporting. Our independent registered public accounting firm may issue a report that is adverse in the event it is not satisfied with the level at which our internal control over financial reporting is documented, designed, or operating. Any failure to maintain effective disclosure controls and internal control over financial reporting could harm our business and could cause a decline in the trading price of our common stock.

If analysts do not publish research about our business or if they publish inaccurate or unfavorable research, our stock price and trading volume could decline.

The trading market for our common stock depends in part on the research and reports that analysts publish about our business. We do not have any control over these analysts. If one or more of the analysts who cover us downgrade our common stock or publish inaccurate or unfavorable research about our business, demand for our common stock could decrease and our common stock price and trading volume may decline. Similar results may occur if one or more of these analysts stop covering us in the future or fail to publish reports on us regularly.

The trading price of our common stock is volatile.

The trading price of our common stock has been and will likely continue to be volatile and is subject to fluctuations in response to various factors, some of which are beyond our control. These fluctuations could cause you to lose all or part of your investment in our common stock. Factors that could cause fluctuations in the trading price of our common stock include the following:

•results of operations that vary from the expectations of securities analysts and investors;

•results of operations that vary from those of our competitors;

•volatility in the trading prices and trading volumes of technology stocks;

•changes in expectations as to our future financial performance, including financial estimates and investment recommendations by securities analysts and investors;

•declines in the market prices of stocks generally;

•strategic actions by us or our competitors;

•announcements by us or our competitors of significant contracts, acquisitions, joint ventures, other strategic relationships or capital commitments;

•any significant change in our senior management;

•changes in general macroeconomic or market conditions or trends in our industry or markets, including as a result of a general economic slowdown or a recession, increasing interest rates and changes in monetary policy, or inflationary pressures;

•changes in business or regulatory conditions, including new laws or regulations or new interpretations of existing laws or regulations applicable to our business;

•future sales of our common stock or other securities or the incurrence of significant debt;

•investor perceptions or the investment opportunity associated with our common stock relative to other investment alternatives;

•the public’s response to press releases or other public announcements by us or third parties, including our filings with the SEC;

•litigation involving us, our industry, or both, or investigations by regulators into our operations or those of our competitors;

•financial and operating guidance, if any, that we provide to the public, and any changes in this guidance or our failure to meet this guidance;

•actions by institutional or activist stockholders;

•changes in accounting standards, policies, guidelines, interpretations or principles; and

•other events or factors, including those resulting from natural disasters, geopolitical instability or war, acts of terrorism or responses to these events.

These broad market and industry fluctuations may adversely affect the market price of our common stock, regardless of our actual operating performance.

In addition, in the past, following periods of market volatility, stockholders have instituted securities class action litigation against companies. For example, in May and July 2023, two putative securities class actions were filed against us and certain of our current and former officers and directors alleging claims under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and Sections 11 and 15 of the Securities Act of 1933. The lawsuits seek damages, litigation costs and interest. Securities litigation against us could result in substantial costs and divert our management’s time and attention from other business concerns, which could have a material adverse effect on our business, regardless of the outcome of such litigation. We may be the target of additional litigation of this type in the future.

Our financial condition and results of operations and other key metrics are likely to fluctuate on a quarterly basis in future periods, which could cause our results for a particular period to fall below expectations, resulting in a severe decline in the price of our common stock.

Our financial condition and results of operations and other key metrics have fluctuated significantly in the past and may continue to fluctuate in the future due to a variety of factors, many of which are beyond our control. For example, the amount of revenue we recognize in a given period is materially dependent on the volume of purchases of our energy storage systems and software-enabled services in that period, as well as on a small number of customers.

In addition to the other risks described herein, the following factors could also cause our financial condition and results of operations to fluctuate on a quarterly basis:

•the timing of customer installations of our hardware, which may depend on many factors such as availability of inventory, product quality or performance issues, or local permitting requirements, utility requirements, environmental, health and safety requirements, weather and customer facility construction schedules, and availability and schedule of our third-party general contractors;

•the sizes of particular customer hardware installations and the number of sites involved in any particular quarter;

•delays or cancellations of energy storage system purchases and installations;

•fluctuations in our service costs, particularly due to unaccrued costs of servicing and maintaining energy storage systems;

•weaker than anticipated demand for our energy storage systems due to changes in government incentives and policies;

•interruptions in our supply chain;

•the timing and level of additional purchases by existing customers;

•unanticipated expenses or installation delays incurred by customers due to changes in governmental regulations, permitting requirements by local authorities at particular sites, utility requirements and environmental, health and safety requirements; and

•disruptions in our sales, production, service or other business activities resulting from our inability to attract and retain qualified personnel.

In addition, our revenue, key operating metrics and other operating results in future quarters may fall short of the expectations of investors and financial analysts, which could have an adverse effect on the price of our common stock.

Certain provisions of our Amended and Restated Charter and Amended and Restated Bylaws may have an anti- takeover effect and may delay, defer or prevent a merger, acquisition, tender offer, takeover attempt or other change of control transaction that a stockholder might consider in its best interest, including those attempts that might result in a premium over the market price for the shares held by our stockholders.

These provisions, among other things:

•establish a staggered board of directors divided into three classes serving staggered three-year terms, such that not all members of our board of directors will be elected at one time;

•authorize our board of directors to issue new series of preferred stock without stockholder approval and create, subject to applicable law, a series of preferred stock with preferential rights to dividends or our assets upon liquidation, or with superior voting rights to our existing common stock;

•eliminate the ability of stockholders to call special meetings of stockholders;

•eliminate the ability of stockholders to fill vacancies on our board of directors;

•establish advance notice requirements for nominations for election to our board of directors or for proposing matters that can be acted upon by stockholders at our annual stockholder meetings;

•permit our board of directors to establish the number of directors;

•provide that our board of directors is expressly authorized to make, alter or repeal our Amended and Restated Bylaws;

•provide that stockholders can remove directors only for cause and only upon the approval of not less than 66 2∕3 of all outstanding shares of our voting stock;

•require the approval of not less than 66 2∕3 of all outstanding shares of our voting stock to amend our Amended and Restated Bylaws and specific provisions of our Amended and Restated Charter; and

•limit the jurisdictions in which certain stockholder litigation may be brought.

As a Delaware corporation, we are subject to the anti-takeover provisions of Section 203 of the Delaware General Corporation Law (the “DGCL”), which prohibits a Delaware corporation from engaging in a business combination specified in the statute with an interested stockholder (as defined in the statute) for a period of three years after the date of the transaction in which the person first becomes an interested stockholder, unless the business combination is approved in advance by a majority of the independent directors or by the holders of at least two-thirds of the outstanding disinterested shares. The application of Section 203 of the DGCL could also have the effect of delaying or preventing a change of control of us.

These anti-takeover provisions could make it more difficult for a third-party to acquire us, even if the third-party’s offer may be considered beneficial by many of our stockholders. As a result, our stockholders may be limited in their ability to obtain a premium for their shares. These provisions could also discourage proxy contests and make it more difficult for you and other stockholders to elect directors of your choosing and to cause us to take other corporate actions you desire.

Our Amended and Restated Charter designates the Court of Chancery of the State of Delaware as the sole and exclusive forum for certain types of actions and proceedings that may be initiated by our stockholders, which could limit our stockholders’ ability to obtain a favorable judicial forum for disputes with us or our directors, officers, employees or stockholders.

Our Amended and Restated Charter provides that, that, unless we consent in writing to the selection of an alternative forum, the sole and exclusive forum, to the fullest extent permitted by law, for (i) any derivative action or proceeding brought on our behalf, (ii) any action asserting a breach of a fiduciary duty owed by any director, officer or other employee to us or our stockholders, (iii) any action asserting a claim against us or any director, officer, or other employee arising pursuant to the DGCL, (iv) any action to interpret, apply, enforce, or determine the validity of our second amended and restated certificate of incorporation or amended and restated bylaws, or (v) any other action asserting a claim that is governed by the internal affairs doctrine, shall be the Court of Chancery of the State of Delaware (or another state court or the federal court located within the State of Delaware if the Court of Chancery does not have or declines to accept jurisdiction), in all cases subject to the court’s having jurisdiction over indispensable parties named as defendants.

In addition, our Amended and Restated Charter provides that the federal district courts of the United States will be the exclusive forum for resolving any complaint asserting a cause of action arising under the Securities Act but that the forum selection provision does not apply to claims brought to enforce a duty or liability created by the Securities Exchange Act of 1934, as amended, (the “Exchange Act”). Although we believe these provisions benefit us by providing increased consistency in the application of Delaware law for the specified types of actions and proceedings, the provisions may have the effect of discouraging lawsuits against us or our directors and officers. Alternatively, if a court were to find the choice of forum provision contained in our Amended and Restated Charter to be inapplicable or unenforceable in an action, we might incur additional costs associated with resolving such action in other jurisdictions, which could harm our business, financial condition, and operating results. For example, under the Securities Act, federal courts have concurrent jurisdiction over all suits brought to enforce any duty or liability created by the Securities Act, and investors cannot waive compliance with the federal securities laws and the rules and regulations thereunder. Any person or entity purchasing or otherwise acquiring any interest in our shares of capital stock shall be deemed to have notice of and consent to this exclusive forum provision, but will not be deemed to have waived our compliance with the federal securities laws and the rules and regulations thereunder.

The capped call transactions we entered into in connection with the pricing of our 2028 and 2030 Convertible Notes may adversely affect the market price of our common stock.

In connection with the pricing of the 2028 and 2030 Convertible Notes, we entered into capped call transactions with several affiliates of the Initial Purchasers (the “Option Counterparties”). The capped call transactions are expected generally to reduce potential dilution to our common stock upon conversion of any 2028 and 2030 Convertible Notes and/or offset any cash payments we are required to make in excess of the principal amount of converted notes, as the case may be, with such reduction and/or offset subject to a cap.

In addition, the Option Counterparties and/or their respective affiliates may modify their hedge positions by entering into or unwinding various derivatives with respect to our common stock and/or purchasing or selling our common stock in secondary market transactions and prior to the maturity of the 2028 and 2030 Convertible Notes (and are likely to do so on each exercise date for the capped call transactions or following any termination of any portion of the capped call transactions in connection with any repurchase, redemption or early conversion of the 2028 and 2030 Convertible Notes). This activity could cause or avoid an increase or decrease in the market price of our common stock.

We are subject to counterparty risk with respect to the capped call transactions.

The Option Counterparties are financial institutions, and we are subject to the risk that any or all of them might default under the capped call transactions. Our exposure to the credit risk of the option counterparties is not secured by any collateral. Past global economic conditions have resulted in the actual or perceived failure or financial difficulties of many financial institutions. If an option counterparty becomes subject to insolvency proceedings, we will become an unsecured creditor in those proceedings with a claim equal to our exposure at that time under the capped call transactions with such option counterparty. Our exposure will depend on many factors but, generally, an increase in our exposure will be correlated to an increase in the market price and in the volatility of our common stock. In addition, upon a default by an option counterparty, we may suffer more dilution than we currently anticipate with respect to our common stock. We can provide no assurance as to the financial stability or viability of the option counterparties.

General Risk Factors

Our management team has limited experience managing a public company.

Most members of our management team have limited experience managing a publicly traded company, interacting with public company investors, and complying with the increasingly complex laws pertaining to public companies. Our management team may not successfully or efficiently manage us as a public company that is subject to significant regulatory oversight and reporting obligations under the federal securities laws and the scrutiny of securities analysts and investors. These new obligations and constituents require significant attention from our senior management and could divert their attention away from the day-to-day management of our business, which could adversely affect our business, results of operations and financial condition.

Future litigation or administrative proceedings could have a material adverse effect on our business, financial condition, and results of operations.

We have been and continue to be involved in legal proceedings, claims, and other litigation. In addition, since our energy storage product is a new type of product in a nascent market, we have in the past needed and may in the future need to seek the amendment of existing regulations or, in some cases, the creation of new regulations, in order to operate our business in some jurisdictions. Such regulatory processes may require public hearings concerning our business, which could expose us to subsequent litigation. Unfavorable outcomes or developments relating to proceedings to which we are a party or transactions involving our products and services, such as judgments for monetary damages, injunctions, or denial or revocation of permits, could have a material adverse effect on our business, financial condition, and results of operations. In addition, settlement of claims could adversely affect our financial condition and results of operations.

Our operating results may be adversely affected by unfavorable macroeconomic, geopolitical, and market conditions.

Unfavorable macroeconomic conditions, such as a general slowdown or recession of the global or U.S. economy, uncertainty and volatility in the financial markets, inflation or rising interest rates, as well as geopolitical conditions could reduce investment in projects that make use of our services. In addition, sustained unfavorable macroeconomic conditions might also have a negative impact on many of our customers or suppliers, which could impair their ability to meet their obligations to us. If economic and market conditions globally, in the U.S. or in other key markets become more volatile or deteriorate further, we may experience material impacts on our business, financial condition and results of operations.

ITEM 1B. UNRESOLVED STAFF COMMENTS

None.

ITEM 1C. CYBERSECURITY

We maintain a cyber risk management program that is designed to identify, assess, manage, mitigate, and respond to cybersecurity threats. The design of our program is based on recognized best practices and standards for cybersecurity and information technology, including the National Institute of Standards and Technology Cybersecurity Framework.

We have implemented a cyber incident response standard operating procedure (the “SOP”) detailing actions to be taken in the event of a cyber incident. Pursuant to the SOP, any suspected cyber breaches or detected vulnerabilities are promptly reported by our cybersecurity team to our Chief Technology Officer (“CTO”) and Chief Legal Officer (“CLO”) for further assessment and/or remediation. In addition, we require our employees to regularly participate in mandatory cybersecurity training that covers critical aspects of digital security, including phishing prevention, threat awareness, and safe data handling practices. Cybersecurity risk considerations are also incorporated into our broader business continuity planning.

In addition to our internal processes, our partnerships with various third-party vendors comprise a key component of our cyber risk management program. We engage several reputable third-party companies to monitor and maintain the performance

and effectiveness of our products and services, as well as to conduct System and Organization Controls (SOC) assessments and our mandatory cybersecurity training for employees.

Our Compliance and Security Officer (“CSO”) is the head of our experienced cybersecurity team and is responsible for assessing and managing our cyber risk management program. Our CSO collaborates with our business, engineering, human resources, legal, and other functions to implement and enforce our cyber policies. Our CSO reports to our CTO, and they collectively inform our senior management regarding the prevention, detection, mitigation, and remediation of incidents and vulnerabilities.

The Audit Committee of the Board of Directors (the “Board”) oversees our cybersecurity risk exposures and the steps taken by management to monitor and mitigate cybersecurity risks. Each quarter,, our CTO updates the Audit Committee on the development and effectiveness of our cyber risk management program. In addition, the Audit Committee is responsible for periodically reviewing and discussing with management our practices with respect to cybersecurity and information security risk management. In addition, cybersecurity risks are reviewed by the Board as part of the Company’s corporate risk mapping exercise.

Although we have experienced, and will continue to experience, cyber incidents in the normal course of our business, prior cyber incidents have not had a material adverse effect on our business. For a further explanation of the cybersecurity risks and threats that we could be subject, see “A failure of our information technology and data security infrastructure could adversely affect our business and operations” in Part I, Item 1A, “Risk Factors” of this Annual Report on Form 10-K.

ITEM 2. PROPERTIES

Our corporate headquarters is located in San Francisco, California. This facility comprises approximately 23,500 square feet of office space. We lease this facility. In addition, our other material properties are described below.

Type of Space

Location

Approximate Square Footage

Leased or Owned

Office

Gurugram, India

41,800 square feet

Leased

Office

Boulder, Colorado

15,800 square feet

Leased

Warehouse

Longmont, Colorado

13,950 square feet

Leased

We believe our space is adequate for our current needs and that suitable additional or substitute spaces will be available to accommodate the foreseeable expansion of our operations. For more information about our material lease commitments, see Note 8 — Leases, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K.

ITEM 3. LEGAL PROCEEDINGS

The information with respect to this Item 3, “Legal Proceedings” is set forth in Note 20 — Commitments and Contingencies, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

PART II.

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Market Information for Common Stock

Our common stock is traded on The New York Stock Exchange under the symbol “STEM.”

Holders

As of February 21, 2024, there were 93 holders of record of our common stock.

Dividend Policy

We have not paid any cash dividends on our common stock to date and currently intend to retain any future earnings to fund the growth of our business. The payment of cash dividends is subject to the discretion of the Board and may be affected by various factors, including our future earnings, financial condition, capital requirements, share repurchase activity, current and future planned strategic growth initiatives, levels of indebtedness, and other considerations our Board of Directors deems relevant.

Stock Performance Graph

This performance graph shall not be deemed “soliciting material” or deemed to be “filed” with the SEC, for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities under that Section, and shall not be deemed to be incorporated by reference into any of our filings under the Securities Act.

The following graph compares (i) the cumulative total stockholder return on our common stock from August 20, 2020 (the date our common stock commenced trading on the New York Stock Exchange under our former symbol “STPK.”) through December 31, 2023 with (ii) the cumulative total return of the Russell 2000 Index and the NASDAQ Clean Edge Green Energy Index over the same period, assuming the investment of $100 in our common stock and in both of the other indices on August 20, 2020 and the reinvestment of dividends. As discussed above, we have never declared or paid a cash dividend on our common stock and do not anticipate declaring or paying a cash dividend in the foreseeable future.

Recent Sales of Unregistered Securities

Except as previously disclosed in a Current Report on Form 8-K filed with the SEC on April 3, 2023, no other unregistered sales of our common stock were made during the year ended December 31, 2023.

Purchases of Equity Securities by the Issuer and Affiliated Purchasers

None.

ITEM 6. [RESERVED]

ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

You should read the following management’s discussion and analysis of our financial condition and results of operations (“MD&A”) in conjunction with our consolidated financial statements and the related notes included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Report. In addition to our historical consolidated financial information, the following discussion contains forward-looking statements that reflect our plans, estimates, and beliefs. Our actual results and the timing of certain events could differ materially from those discussed in the forward-looking statements. Factors that could cause or contribute to these differences include, but are not limited to, those discussed below and elsewhere in this Report, particularly in Part I, Item 1A, “Risk Factors.”

This MD&A generally discusses 2023 and 2022 items and year-to-year comparisons between 2023 and 2022. Discussions of 2021 items and year-to-year comparisons between 2022 and 2021 that are not included in this Annual Report on Form 10-K can be found in Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” contained in our Annual Report on Form 10-K filed with the SEC on February 17, 2023.

The Merger

The information regarding the Merger set forth in the first paragraph of Part 1, Item 1, “Business — History” above is incorporated herein by reference. See also Note 1 — Business, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K. For financial reporting purposes, Legacy Stem is treated as the accounting acquirer.

Acquisition of AlsoEnergy

On February 1, 2022, we acquired 100% of the issued and outstanding capital stock of AlsoEnergy. The transaction combined our storage optimization capabilities with AlsoEnergy’s solar asset performance monitoring and control software. Through AlsoEnergy, we provide end-to-end turnkey solutions that monitor and manage renewable energy systems through AlsoEnergy’s PowerTrack software. PowerTrack includes data acquisitions and monitoring, performance modelling, agency reporting, internal reports, work order tickets, and supervisory control and data acquisition (“SCADA”) controls. AlsoEnergy has deployed systems at various international locations, but its primary customer base is in the United States, Germany and Canada. The total consideration for the AlsoEnergy acquisition was $652.0 million, comprised of $543.1 million paid in cash net of a working capital adjustment for an escrow recovery, and $108.9 million in the form of 8,621,006 shares of our common stock. We incurred $6.1 million of transaction costs related to the acquisition of AlsoEnergy, which were recorded in general and administrative expense during the year ended December 31, 2022. See Note 6 — Business Combinations, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K.

Overview

Our mission is to maximize the economic, environmental, and resiliency value of renewable energy assets through our leading artificial intelligence (“AI”) platform. In order to fulfill our mission, we provide our customers, which include C&I enterprises as well as independent power producers, renewable project developers, utilities and grid operators, with (i) energy storage hardware, sourced from leading, global battery OEMs, that we deliver through our partners, including developers, distributors and EPC firms, (ii) edge hardware to aid in the collection of site data and the real-time operation and control of the site plus other optional equipment, and (iii) an ongoing software platform, Athena®, and professional services to operate and manage the performance of standalone energy storage, integrated solar plus storage systems, and solar assets. In addition, in all of the markets where we help manage our customers’ clean energy assets, we have agreements to use the Athena platform to participate in such markets and to share the revenue from such market participation.

For BTM customers, Athena mitigates customer energy costs through services such as time-of-use and demand charge management optimization and by aggregating the dispatch of energy through a network of virtual power plants. Our software is designed to reduce C&I customer energy bills, increase their energy yield, and help our customers facilitate the achievement of their corporate environmental, social, and corporate governance (“ESG”) and carbon reduction objectives. Through PowerTrack, our software maximizes solar energy output and minimizes asset downtime.

Since our inception in 2009, we have engaged in developing and marketing software-enabled services, raising capital, and recruiting personnel. We have incurred net operating losses and negative cash flows from operations each year since our inception. We have financed our operations primarily through cash flows from customers, proceeds received from the Merger, convertible senior notes, and the issuance of convertible preferred stock.

Our total revenue grew from $363.0 million for the year ended December 31, 2022 to $461.5 million for the year ended December 31, 2023. For the years ended December 31, 2023 and 2022, we incurred net losses of $140.4 million and $124.1 million, respectively. As of December 31, 2023, we had an accumulated deficit of $772.5 million.

We expect that our sales and marketing, research and development, regulatory and other expenses will continue as we expand our marketing efforts to increase sales of our solutions, expand existing relationships with our customers, and obtain regulatory clearances or approvals for future product enhancements. In addition, we expect to continue to manage and reduce our general and administrative costs and expenses associated with scaling our business operations as well as being a public company, including legal, accounting, insurance, exchange listing and SEC compliance, investor relations, and other costs and expenses.

Key Factors, Trends and Uncertainties Affecting our Business

We believe that our performance and future success depend on several factors, some of which present significant opportunities for us, and some of which pose risks and challenges, including but not limited to:

Seasonality

Our results of operations have typically fluctuated due to seasonal trends, which we expect to recur in future periods. Historically, we have recognized most of our revenue in the third and fourth fiscal quarters of each year due to various factors, including the requirement by our customers to reach target commercial operation dates for their renewable energy projects as well as tax equity and financing considerations. For instance, our revenue recognized in the third and fourth quarters of the fiscal year ended December 31, 2023 accounted for 65% of the total revenue recognized in the fiscal year ended December 31, 2023. The seasonality of our results of operations may be mitigated as our software and services offerings begin to comprise a greater percentage of our total revenue.

Customer Concentration

We depend on a small number of significant customers for our sales, and a small number of customers have historically accounted for a material portion of our revenue. While we are committed to diversifying our customer base, we may continue to derive a significant portion of our revenue from a small number of customers. Loss of a significant customer, the inability to close a significant contract at any time, or a significant reduction in pricing or order volume from a significant customer, could materially reduce our revenue in a given quarter and have a material adverse effect on our operating results.

Supply Chain Constraints and Risk

DevCo Joint Ventures

We, through an indirect wholly-owned development subsidiary, have entered into strategic joint ventures with qualified third parties to develop select energy storage generation projects (“DevCo Projects”), as more fully described above under Note 1 — Business in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K. These projects require significant upfront investment by us and involve a high degree of risk. If a DevCo Project fails to reach completion or is significantly delayed, we could lose all or a portion of our development capital investment. See “We Face Risks Related to our DevCo Business Model” in Part I, Item 1A, “Risk Factors” of this Annual Report on Form 10-K for additional information about certain risks related to these DevCo Projects.

Parent Company Guarantees

In certain customer contracts, we previously agreed to provide a guarantee that the value of purchased hardware will not decline for a certain period of time, as more fully described above under Note 3 — Revenue, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K. We account for such contractual terms and guarantees as variable consideration at each measurement date. We update our estimates of variable consideration each quarter, including changes in estimates related to such guarantees, for facts or circumstances that have changed from the time of the initial estimate. As a result, we recorded a net revenue reduction of $35.1 million in hardware revenue during the year ended December 31, 2023. Specifically, $16.9 million of the overall reduction in revenue was related to deliveries that occurred during fiscal year 2022, and $18.2 million is related to deliveries that occurred during fiscal 2023. Because these contractual terms and guarantees had not previously resulted in a revenue reduction in prior periods, and because we do not intend to provide such parent company guarantees in customer contracts going forward, we believe that excluding the impact of the $35.1 million net reduction in revenue from adjusted EBITDA and non-GAAP gross profit enhances the comparability to these metrics in prior periods.

We do not intend to provide new parent company guarantees in customer contracts going forward. In addition, the Company does not expect that future revenue reductions, if any, as a result of outstanding guarantees will be material.

Decline in Lithium-Ion Battery Costs

Our revenue growth is directly tied to the continued adoption of energy storage systems by our customers. The cost of lithium-ion energy storage hardware has generally declined over the last decade, but increased demand and global supply chain constraints could cause price increases in the future. The market for energy storage is rapidly evolving, and while we believe costs will continue to decline over time, there is no guarantee. If costs do not continue to decline, or do not decline as quickly as we anticipate, this could adversely affect our ability to increase our revenue and grow our business. The IRA was signed into law in August 2022 and includes incentives and tax credits aimed at reducing the effects of climate change, such as a tax credit for stand-alone battery storage projects. The implementation of the IRA is expected to further reduce the cost of battery storage systems for certain customers; however, there are numerous restrictions and requirements associated with qualifying for the tax credits and other incentives available under the IRA, and we continue to assess how the IRA may affect our business.

Increase in Deployment of Renewables

Deployment of intermittent resources has accelerated over the last decade, and today, wind and solar have become a low cost energy source. We expect the cost of generating renewable energy to continue to decline and deployments of energy storage systems to increase. As renewable energy sources of energy production are expected to represent a larger proportion of energy generation, grid instability rises due to their intermittency, which can be addressed by energy storage solutions. The IRA is expected to further increase the deployment of renewable energy assets. We are continuing to evaluate the IRA and its requirements, as well as the application to our business and our customers.

Competition

We are a market leader in terms of capacity of energy storage under management. We intend to strengthen our competitive position over time by leveraging the network effect of Athena’s AI infrastructure. Existing competitors may expand their product offerings and sales strategies, and new competitors may enter the market. Furthermore, our competitors include other types of software providers and some hardware manufacturers that offer software solutions. If our market share declines due to increased competition, our revenue and ability to generate profits in the future may be adversely affected.

Government Regulation and Compliance

Although we are not regulated as a utility, the market for our products and services is heavily influenced by federal, state, and local government statutes and regulations concerning electricity. These statutes and regulations, like the IRA, affect

electricity pricing, net metering, incentives, taxation, competition with utilities, and the interconnection of customer-owned electricity generation. In the United States and internationally, governments regularly modify these statutes and regulations and acting through state utility or public service commissions, regularly change and adopt different rates for commercial customers. These changes can positively or negatively affect our ability to deliver cost savings to customers.

Non-GAAP Financial Measures

In addition to financial results determined in accordance with U.S. generally accepted accounting principles (“GAAP”), we use adjusted EBITDA and non-GAAP gross profit and margin, which are non-GAAP financial measures, for financial and operational decision making and as a means to evaluate our operating performance and prospects, develop internal budgets and financial goals, and to facilitate period-to-period comparisons. Our management believes that these non-GAAP financial measures provide meaningful supplemental information regarding our performance and liquidity by excluding certain expenses and expenditures that may not be indicative of our operating performance, such as stock-based compensation and other non-cash charges, as well as discrete cash charges that are infrequent in nature. We believe that both management and investors benefit from referring to these non-GAAP financial measures in assessing our performance and when planning, forecasting, and analyzing future periods. These non-GAAP financial measures also facilitate management’s internal comparisons to our historical performance and liquidity as well as comparisons to our competitors’ operating results. We believe these non-GAAP financial measures are useful to investors both because they (1) allow for greater transparency with respect to key metrics used by management in its financial and operational decision making and (2) are used by our institutional investors and the analyst community to help them analyze the health of our business. Adjusted EBITDA and non-GAAP gross profit and margin should be considered in addition to, not as a substitute for, or superior to, other measures of financial performance prepared in accordance with GAAP.

Non-GAAP Gross Profit and Margin

We define non-GAAP gross profit as gross profit excluding amortization of capitalized software, impairments related to decommissioning of end-of-life systems, excess supplier costs and resulting liquidated damages, reduction in revenue, and revenue constraints. We define non-GAAP gross margin as non-GAAP gross profit as a percentage of revenue.

We generally record the full purchase order value as revenue at the time of hardware delivery; however, for certain non-cancelable purchase orders entered into during the first quarter of 2023, the final settlement amount payable to us is variable and indexed to the price per ton of lithium carbonate in the first quarter of 2024 such that we may increase or decrease the final prices in such purchase orders based on the price per ton of lithium carbonate at final settlement. Lithium carbonate is a key raw material used in the production of hardware systems that we ultimately sell to our customers. The total dollar amount of such purchase orders for the indexed contracts was approximately $52.0 million. However, due to the pricing structure in such purchase orders, we recorded revenue in the first quarter of 2023 of approximately $42.0 million, net of a $10.2 million revenue constraint, using a third party forecast of the lithium carbonate trading value in the first quarter of 2024. Because we had not previously used indexed pricing in our customer contracts or purchase orders and had not previously constrained revenue related to forecasted inputs of our hardware systems, we believe that including the $10.2 million revenue constraint from the first quarter of 2023 into non-GAAP gross profit enhances the comparability to our non-GAAP gross profit in prior periods. Because the purchase orders are variable and depend on the specified price per ton of lithium carbonate at the time of final measurement at the end of the first quarter of 2024, we are expected to receive, pursuant to such purchase orders, final consideration of at least approximately $34.0 million, subject to market conditions upon settlement. We recorded the full cost of hardware revenue for these indexed contracts in the first quarter of 2023.

In the fourth quarter of 2023, we incurred costs of $2.7 million above initially agreed prices on the acquisition of certain hardware systems from one of our suppliers, which resulted from production delays by such supplier. This in turn caused fulfillment and delivery delays on an order to one of our customers, as a result of which we further incurred liquidated damages of $4.8 million under the customer contract. Because we had not previously incurred costs above initially agreed prices with a hardware supplier and were subsequently required to pay liquidated damages to a customer, we excluded these two items from adjusted EBITDA and non-GAAP gross profit to better facilitate comparisons of our underlying operating performance across periods.

The following table provides a reconciliation of gross profit and margin (GAAP) to non-GAAP gross profit and margin (in millions, except for percentages):


	Years Ended December 31,
	2023			2022
Revenue	$	461.5		$	363.0
Cost of revenue	(457.9)			(329.9)
GAAP gross profit	$	3.6		$	33.1
GAAP gross margin (%)	1		%	9		%








Non-GAAP Gross Profit
GAAP Revenue	$	461.5		$	363.0
Add: Revenue constraint (1)	10.2			—
Add: Revenue reduction, net (2)	35.1			—
Add: Liquidated damages (3)	4.8			—
Subtotal	511.6			363.0
Less: Cost of revenue	(457.9)			(329.9)
Add: Amortization of capitalized software & developed technology	13.5			10.7
Add: Impairments	5.2			3.5
Add: Excess supplier costs (3)	2.7			—
Non-GAAP gross profit	$	75.1		$	47.3
Non-GAAP gross margin (%)	15		%	13		%

(1) Refer to the discussion of revenue constraint in “— Non-GAAP Gross Profit and Margin” above.

(2) Refer to the discussion of reduction in revenue in “— Parent Company Guarantees” above.

(3) Refer to the discussion of excess supplier costs and resulting liquidated damages in “— Non-GAAP Gross Profit and Margin” above. Refer to Note 2 - Summary of Significant Accounting Policies for a discussion on the accounting treatment of liquidated damages.

Adjusted EBITDA

As discussed above, we believe that adjusted EBITDA is useful for investors to use in comparing our financial performance with the performance of other companies. Nonetheless, the expenses and other items that we exclude in our calculation of adjusted EBITDA may differ from the expenses and other items, if any, that other companies may exclude when calculating adjusted EBITDA.

We calculate adjusted EBITDA as net loss attributable to us before depreciation and amortization, including amortization of internally developed software, net interest expense, further adjusted to exclude stock-based compensation and other income and expense items, including the net gain on extinguishment of debt, revenue constraint, reduction in revenue, excess supplier costs and resulting liquidated damages, change in fair value of derivative liabilities, transaction and acquisition-related charges, litigation settlement, restructuring costs and income tax provision or benefit.

The following table provides a reconciliation of adjusted EBITDA to net loss (in thousands):


	Years Ended December 31,
	2023		2022
	(in thousands)
Net loss	$	(140,413)	$	(124,054)
Adjusted to exclude the following:
Depreciation and amortization (1)	51,134		48,783
Interest expense, net	14,977		10,468
Gain on extinguishment of debt, net	(59,121)		—
Stock-based compensation	45,109		28,661
Revenue constraint (2)	10,200		—
Revenue reduction, net (3)	35,051		—
Excess supplier costs and resulting liquidated damages (4)	7,554		—

Change in fair value of derivative liability	7,731		—

Transaction costs in connection with business combination	—		6,068
Litigation settlement	—		(727)
Provision for (benefit from) income taxes	433		(15,161)
Other expenses (5)	7,889		—
Adjusted EBITDA	$	(19,456)	$	(45,962)

(1) Depreciation and amortization includes depreciation and amortization expense, impairment loss of energy storage systems, and impairment loss of project assets.

(2) Refer to the discussion of revenue constraint in “— Non-GAAP Gross Profit and Margin” above.

(3) Refer to the discussion of reduction in revenue in “— Parent Company Guarantees” above.

(4) Refer to the discussion of excess supplier costs and resulting liquidated damages in “— Non-GAAP Gross Profit and Margin” above.

(5) Adjusted EBITDA for the year ended December 31, 2023 reflects the exclusion of other expenses of $7.9 million. Other expenses are comprised of $5.6 million in accruals for sales taxes, $1.3 million for expenses related to restructuring costs, $0.5 million for impairments, and $0.5 million of other non-recurring expenses. Restructuring expenses consisted of employee severance and other exit costs.

Financial Results and Key Metrics

The following table presents our financial results and our key metrics (in millions, except for percentages and unless otherwise noted):


	Years Ended December 31,
	2023			2022
	(in millions)
Key Financial Metrics
Revenue	$	461.5		$	363.0
GAAP gross profit	$	3.6		$	33.1
GAAP gross margin (%)	1		%	9		%
Non-GAAP gross profit	$	75.1		$	47.3
Non-GAAP gross margin (%)	15		%	13		%
Net loss	$	(140.4)		$	(124.1)
Adjusted EBITDA	$	(19.5)		$	(46.0)

Key Operating Metrics

Bookings (1)	$	1,532.4		$	1,056.9
Contracted backlog* (2)	1,929.3			969.0
Contracted storage AUM (in GWh)* (3)	5.5			3.1
Solar monitoring AUM (in GW)* (4)	27.5			25.0
CARR* (5)	91.0			65.3
* at period end
(1) As described below.
(2) Total value of bookings in dollars, as reflected on a specific date. Backlog increases as new contracts are executed (bookings) and decreases as integrated storage systems are delivered and recognized as revenue.
(3) Total GWh of systems in operation or under contract. Contracted storage AUM as of December 31, 2022 has been adjusted from 2.5 GWh, as previously disclosed, to 3.1 GWh. Revised AUM reflects adjustments to total GWh of energy storage systems to previously executed customer contracts as a result of revisions to system configuration or changes in hardware specifications due to updates from the original equipment manufacturer.
(4) Total GW of systems in operation or under contract.
(5) Contracted Annual Recurring Revenue (CARR): Annual run rate for all executed software services contracts including contracts signed in the period for systems that are not yet commissioned or operating.

Bookings

Due to the long-term nature of our contracts, bookings are a key metric that allows us to understand and evaluate the growth of our Company and our estimated future revenue related to customer contracts for our energy optimization services and transfer of energy storage systems. Bookings represents the accumulated value at a point in time of contracts that have been executed under both our host customer and partnership sales models.

For host customer sales, bookings represent the expected consideration from energy optimization services contracts, including estimated incentive payments that are earned by the host customer from utility companies in relation to the services provided by us and assigned by the host customer to us. For host customer sales, there are no differences between bookings and remaining performance obligations at any point in time.

For partnership sales, bookings are the sum of the expected consideration to be received from the transfer of hardware and energy optimization services (excluding any potential revenues from market participation). For partnership sales, even though we have secured an executed contract with estimated timing of project delivery and installation from the customer, we do not consider it a contract in accordance with Financial Accounting Standards Board (“FASB”) ASU 2014-09 Topic 606, Revenue from Contracts with Customers (“ASC 606”), or a remaining performance obligation, until the customer has placed a binding purchase order. A signed customer contract is considered a booking as this indicates the customer has agreed to place a purchase order in the foreseeable future, which typically occurs within three months of contract execution. However, executed customer contracts, without binding purchase orders, are cancellable without penalty by either party.

For partnership sales, once a purchase order has been executed, the booking is considered to be a contract in accordance with ASC 606, and therefore, gives rise to a remaining performance obligation as we have an obligation to transfer hardware and energy optimization services in our partnership agreements. We also have the contractual right to receive consideration for our performance obligations.

The accounting policy and timing of revenue recognition for host customer contracts and partnership arrangements that qualify as contracts with customers under ASC 606, are described within Note 2 — Summary of Significant Accounting Policies, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K.

The following discussion and analysis of our results of operations and our liquidity and capital resources include the results of operations for AlsoEnergy for the period from February 1, 2022. For additional information, including pro forma results of operations for the year ended December 31, 2022 calculated as if AlsoEnergy had been acquired as of January 1, 2022, see Note 6 — Business Combinations, of the Notes to the consolidated financial statements in this report.

Components of Our Results of Operations

Revenue

We generate services and other revenue and hardware revenue. Services and other revenue is mainly generated through arrangements with host customers to provide energy optimization services using our proprietary software platform coupled with a dedicated energy storage system owned and controlled by us throughout the term of the contract. Fees charged to customers for energy optimization services generally consist of recurring fixed monthly payments throughout the term of the contract and in some arrangements, an installation and/or upfront fee component. We may also receive incentives from utility companies in relation to the sale of our services. Services and other revenue also includes the sale of project assets. We separately generate services revenue through partnership arrangements by providing energy optimization services after the developer completes the installation of the project.

We generate hardware revenue through partnership arrangements consisting of sales of energy storage system to solar plus storage project developers. Performance obligations are satisfied when the energy storage system along with all ancillary hardware components are delivered. The milestone payments received before the delivery of hardware are treated as deferred revenue. In certain customer contracts, we agreed to provide a guarantee that the value of purchased hardware will not decline for a certain period of time, as more fully described below under Note 3 — Revenue, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K.

Cost of Revenue

Cost of services and other revenue includes depreciation of the cost of energy storage systems we own under long-term customer contracts, which includes capitalized fulfillment costs, such as installation services, permitting and other related costs. Cost of services and other revenue also includes the costs for the development and constructions of project assets. Cost of revenue may also include any impairment of inventory and energy storage systems, along with system maintenance costs associated with the ongoing services provided to customers. Costs of revenue are recognized as energy optimization and other supporting services are provided to our customers throughout the term of the contract.

Cost of hardware revenue generally includes the cost of the hardware purchased from a manufacturer, shipping, delivery, and other costs required to fulfill our obligation to deliver the energy storage system to the customer location. Cost of hardware revenue may also include any impairment of energy storage systems held in our inventory for sale to our customer. Cost of hardware revenue related to the sale of energy storage systems is recognized when the delivery of the product is completed.

Gross Profit

Our gross profit fluctuates significantly from quarter to quarter. Gross profit, calculated as revenue less costs of revenue, has been, and will continue to be, affected by various factors, including fluctuations in the amount and mix of revenue and the amount and timing of investments to expand our customer base. Over the long term, we hope to increase both our gross profit in absolute dollars and gross margin as a percentage of revenue through enhanced operational efficiency and economies of scale.

Operating Expenses

Sales and Marketing

Sales and marketing expense consists of payroll and other related personnel costs, including salaries, stock-based compensation, commissions, bonuses, employee benefits, and travel for our sales and marketing personnel. In addition, sales and marketing expense includes trade show costs, amortization of intangibles and other expenses. We expect our sales and marketing expense to increase in future periods to support the overall growth in our business.

Research and Development

Research and development expense consists primarily of payroll and other related personnel costs for engineers and third parties engaged in the design and development of products, third-party software and technologies, including salaries, bonuses and stock-based compensation expense, project material costs, services and depreciation. We expect research and development expense to increase in future periods to support our growth, including our investments in optimization, accuracy and reliability of our platform and other technology improvements to support and drive efficiency in our operations. These expenses may vary from period to period as a percentage of revenue, depending primarily upon when we choose to make more significant investments.

General and Administrative Expense

General and administrative expense consists of payroll and other related personnel costs, including salaries, stock-based compensation, employee benefits and expenses for executive management, legal, finance and other costs. In addition, general and administrative expense includes fees for professional services and occupancy costs. We expect to continue to manage and reduce our general and administrative expense associated with scaling our business operations and being a public company, including compliance with the rules and regulations of the SEC, legal, audit, additional insurance expenses, investor relations activities, and other administrative and professional services.

Other Income (Expense), Net

Interest Expense, Net

Interest expense, net consists primarily of interest on our outstanding borrowings under our outstanding notes payable, convertible senior notes, and financing obligations and accretion on our asset retirement obligations.

Gain on Extinguishment of Debt, Net

Gain on extinguishment of debt, net consists of income recognized in relation to the prepayment of our outstanding borrowings under our outstanding convertible notes and the write-off of any unamortized debt issuance costs associated with such notes.

Change in Fair Value of Derivative Liability

Change in fair value of derivative liability is related to the revaluation of derivative feature within a revenue contract, whereby final settlement is indexed to the price per ton of lithium carbonate.

Other Income, Net

Other income, net consists primarily of income from equity investments and foreign exchange gains or losses.

Results of Operations

Results of Operations for the Years Ended December 31, 2023 and 2022


	Year Ended December 31,				$ Change		% Change
	2023		2022
	(In thousands, except percentages)
Revenue
Services and other revenue	$	62,548	$	52,143	$	10,405	20%
Hardware revenue	398,967		310,837		88,130		28%
Total revenue	461,515		362,980		98,535		27%
Cost of revenue
Cost of services and other revenue	50,298		43,153		7,145		17%
Cost of hardware revenue	407,552		286,735		120,817		42%
Total cost of revenue	457,850		329,888		127,962		39%
Gross profit	3,665		33,092		(29,427)		(89)%
Operating expenses
Sales and marketing	51,556		48,882		2,674		5%
Research and development	56,508		38,303		18,205		48%
General and administrative	74,915		77,028		(2,113)		(3)%
Total operating expenses	182,979		164,213		18,766		11%
Loss from operations	(179,314)		(131,121)		(48,193)		37%
Other income (expense), net
Interest expense, net	(14,977)		(10,468)		(4,509)		43%
Gain on extinguishment of debt, net	59,121		—		59,121		*
Change in fair value of derivative liability	(7,731)		—		(7,731)		*
Other income, net	2,921		2,374		547		23%
Total other income (expense), net	39,334		(8,094)		47,428		(586)%
Loss before (provision for) benefit from income taxes	(139,980)		(139,215)		(765)		1%
(Provision for) benefit from income taxes	(433)		15,161		(15,594)		(103)%
Net loss	$	(140,413)	$	(124,054)	$	(16,359)	13%

*Percentage is not meaningful

Revenue

Total revenue increased by $98.5 million, or 27%, for the year ended December 31, 2023, as compared to the year ended December 31, 2022. The change was primarily driven by a $88.1 million increase in hardware revenue primarily due to an increase in demand for systems related to both FTM and BTM partnership agreements. Services and other revenue increased by $10.4 million compared to the year ended December 31, 2022, primarily due to an increase in solar services subscriptions from existing and new customers.

Cost of Revenue

Cost of revenue increased by $128.0 million, or 39%, for the year ended December 31, 2023, as compared to the year ended December 31, 2022. The increase was primarily driven by an increase of cost of hardware revenue of $120.8 million due to the increase in system costs. Cost of services and other revenue also increased of $7.1 million, primarily due to solar cloud service costs and amortization of internally developed software costs.

Operating Expenses

Sales and Marketing

Sales and marketing expense increased by $2.7 million, or 5%, for the year ended December 31, 2023, as compared to the year ended December 31, 2022. The increase was primarily due to an increase of $5.5 million in personnel related expenses driven by additional stock-based compensation expenses and higher payroll costs, partially offset by a decrease of $1.7 million in amortization expense related to intangible assets from the acquisition of AlsoEnergy, and a decrease of $1.1 million of professional services and other expenses.

Research and Development

Research and development expense increased by $18.2 million, or 48%, for the year ended December 31, 2023, as compared to the year ended December 31, 2022. The increase was primarily due to an increase of $12.9 million in personnel costs driven by additional stock-based compensation expenses and higher payroll costs, and an increase of $5.3 million in professional services and other expenses.

General and Administrative

General and administrative expense decreased by $2.1 million, or 3%, for the year ended December 31, 2023, as compared to the year ended December 31, 2022. The decrease was primarily driven by a decrease of $9.6 million of professional services and other expenses, as well as a decrease of $2.1 million in office-related expenses, partially offset by an increase of $4.0 million in personnel costs driven by additional stock-based compensation expense, and an increase of $5.6 million in business taxes related to state sales tax liabilities.

Other Expense, Net

Interest Expense, Net

Interest expense increased by $4.5 million, or 43%, for the year ended December 31, 2023, as compared to the year ended December 31, 2022. The increase was primarily driven by an increase of $7.2 million in interest on our 2028 and 2030 Convertible Notes, partially offset by the accretion of discount on short-term investments of $1.8 million, a decrease of $0.7 million in interest on financing obligations, and a decrease in other interest expense of $0.2 million.

Gain on Extinguishment of Debt, Net

During the year ended December 31, 2023, we recorded a $59.4 million gain on extinguishment of debt driven by a $99.8 million payment to extinguish approximately $163.0 million aggregate principal amount of our 2028 Convertible Notes. The gain was partially offset by a $0.3 million loss on extinguishment of debt from repayment of our 2021 Credit Agreement.

Change in Fair Value of Derivative Liability

Unrealized losses relating to our derivative liability increased by $7.7 million for the year ended December 31, 2023 as compared to the year ended December 31, 2022 due to the decrease in the price per ton of lithium carbonate.

Other Income, Net

Other income, net increased by $0.5 million, or 23%, for the year ended December 31, 2023, as compared to the year ended December 31, 2022. The net increase was primarily due to an increase of $0.9 million due to an increase in recognized accretion expense on assets, an increase of $0.3 million in income from equity investments, and an increase of $0.9 million in interest income from short-term investments, partially offset by a $1.6 million realized loss on short-term investments.

(Provision for) Benefit from Income Taxes

During the year ended December 31, 2023, we recorded $0.4 million of income tax expense. During the year ended December 31, 2022, we recorded an income tax benefit of $15.2 million due to the partial release of our deferred tax asset valuation due to the acquisition of AlsoEnergy.

A comparative discussion of our 2022 to 2021 results of operations can be found in Part II, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Results of Operations” included in our Annual Report on Form 10-K for the year ended December 31, 2022 filed with the SEC on February 17, 2023.

Liquidity and Capital Resources

Sources of Liquidity

Liquidity describes the ability of a company to generate sufficient cash flows to meet the cash requirements of its business operations, including working capital needs, debt service, acquisitions, contractual obligations and other commitments. We assess liquidity in terms of our cash flows from operations and their sufficiency to fund our operating and investing activities. To meet our payment service obligations, we must have sufficient liquid assets and be able to move funds on a timely basis. Significant factors in the management of liquidity are funds generated from operations, levels of accounts receivable and accounts payable and capital expenditures.

As of December 31, 2023, our principal sources of liquidity were cash, cash equivalents, and short-term investments of $113.6 million, which were held for working capital purposes and for investment growth opportunities. Our marketable securities generally consist of high-grade commercial paper, agency bonds, and U.S. government agency securities. As of December 31, 2023, we had net accounts receivable of $302.8 million and our working capital, which we define as current assets less current liabilities, was $221.9 million. We believe that our cash position is sufficient to meet our capital and liquidity requirements for at least the next 12 months from the date of this Annual Report on Form 10-K.

Our business prospects are subject to risks, expenses and uncertainties frequently encountered by companies in the early stages of commercial operations. The attainment of profitable operations is dependent upon future events, including obtaining adequate financing to complete our development activities, obtaining adequate supplier relationships, building our customer base, successfully executing our business and marketing strategy and hiring appropriate personnel. Failure to generate sufficient revenues, achieve planned gross margins and operating profitability, control operating costs, or secure additional funding may require us to modify, delay, or abandon some of our planned future expansion or development, or to otherwise enact operating cost reductions available to management, which could have a material adverse effect on our business, operating results, and financial condition.

In the future, we may be required to obtain additional equity or debt financing in order to support our continued capital expenditures and operations, which may not be available on terms acceptable to us or at all. If we are unable to raise additional capital or generate cash flows necessary to expand our operations and invest in new technologies, this could reduce our ability to compete successfully and harm our business, growth and results of operations.

Our long-term liquidity requirements are linked primarily to the continued extension of the Athena platform and supporting applications, including Athena PowerTrack, and the use of our balance sheet to improve the terms and conditions associated with the purchase of energy storage systems from our hardware vendors. While we have plans to potentially expand our geographical footprint beyond our current partnerships and enter into joint ventures, those are not required initiatives to achieve our plans.

Financing Obligations

We have entered into arrangements wherein we finance the cost of energy storage systems via special purpose entities (“SPEs”) we establish with outside investors. These SPEs are not consolidated into our financial statements, but are accounted for as equity method investments. The investors provide us upfront payments through the SPEs. Under these arrangements, the payment by the SPE to us is accounted for as a borrowing by recording the proceeds received as a financing obligation. The financing obligation is repaid with the future customer payments and incentives received. A portion of the amounts paid to the SPE is allocated to interest expense using the effective interest rate method. Furthermore, we continue to account for the revenues from customer arrangements and incentives and all associated costs despite such systems being legally sold to the SPEs due to our significant continuing involvement in the operations of the energy storage systems. The total financing obligation as of December 31, 2023 was $66.8 million, of which $14.8 million was classified as a current liability.

Notes Payable

2021 Credit Agreement

In January 2021, we entered into a non-recourse credit agreement to provide a total of $2.7 million towards the financing of certain energy storage systems that we owned and operated (the “2021 Credit Agreement”). The credit agreement had a stated interest of 5.45% and a maturity date of June 2031. We received an advance under the credit agreement of $1.8 million in January 2021. The repayment of advances received under this credit agreement was determined by the lender based on the proceeds generated by us through the operation of the underlying energy storage systems. On April 6, 2023, we repaid the remaining outstanding balance under the 2021 Credit Agreement with a portion of the proceeds received from the issuance of the 2030 Convertible Notes. The facility was terminated after the repayment in April 2023. See Note 12 — Notes Payable in

the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K for additional details regarding this transaction

2028 Green Convertible Senior Notes

On November 22, 2021, we sold to Morgan Stanley & Co. LLC, Goldman Sachs & Co. LLC and Barclays Capital Inc, as initial purchasers (the “2021 Initial Purchasers”), and the 2021 Initial Purchasers purchased from us, $460.0 million aggregate principal amount of our 0.50% Green Convertible Notes due 2028 (the “2028 Convertible Notes”), pursuant to a purchase agreement dated as of November 17, 2021, by and between us and the 2021 Initial Purchasers. Our net proceeds from this offering were approximately $445.7 million, after deducting the 2021 Initial Purchasers’ discounts and commissions and the estimated offering expenses payable by us. The 2028 Convertible Notes will accrue interest payable semi-annually in arrears and will mature on December 1, 2028, unless earlier repurchased, redeemed or converted in accordance with their terms prior to such date. Upon conversion, we may choose to pay or deliver, as the case may be, cash, shares of common stock or a combination of cash and shares of common stock. The 2028 Convertible Notes are redeemable for cash at our option at any time given certain conditions. Refer to Note 13 — Convertible Notes, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K for additional details regarding this transaction.

On November 17, 2021, in connection with the pricing of the 2028 Convertible Notes, and on November 19, 2021, in connection with the exercise in full by the 2021 Initial Purchasers of their option to purchase additional 2028 Convertible Notes, we entered into capped call transactions with certain of the 2021 Initial Purchasers of the 2028 Convertible Notes to minimize the potential dilution to our common stockholders upon conversion of the 2028 Convertible Notes. We used approximately $66.7 million of the net proceeds from the 2028 Convertible Notes to pay the cost of the capped call transactions described above. We intend to allocate an amount equivalent to the net proceeds from this offering to finance or refinance, in whole or in part, existing or new eligible green expenditures of Stem, including investments related to creating a more resilient clean energy system, optimized software capabilities for energy systems, and reducing waste through operations.

On April 3, 2023, we used approximately $99.8 million of the net proceeds from the issuance of the 4.25% Green Convertible Senior Notes due 2030 (“2030 Convertible Notes”) to purchase and surrender for cancellation approximately $163.0 million in aggregate principal amount of our 2028 Convertible Notes. See Note 13 — Convertible Notes, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K for additional details regarding this transaction.

2030 Convertible Notes

On April 3, 2023, we issued $240.0 million aggregate principal amount of our 2030 Convertible Notes in a private placement offering to qualified institutional buyers (the “2023 Initial Purchasers”) pursuant to Rule 144A under the Securities Act of 1933, as amended. The 2030 Convertible Notes are senior, unsecured obligations of the Company and bear interest at a rate of 4.25% per year, payable in cash semi-annually in arrears in April and October of each year, beginning in October 1, 2023. Th 2030 Convertible Notes will mature on April 1, 2030, unless earlier repurchased, redeemed or converted in accordance with their terms prior to such date. Upon conversion, we may choose to pay or deliver cash, shares of common stock or a combination of cash and shares of common stock. The 2030 Convertible Notes are redeemable for cash at our option at any time given certain conditions. See Note 13 — Convertible Notes, of the Notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K for additional details regarding this transaction.

Our net proceeds from this offering were approximately $232.4 million, after deducting for $7.6 million of debt issuance costs primarily consisting of underwriters, advisory, legal, and accounting fees. We used approximately $99.8 million of the net proceeds to purchase and surrender for cancellation approximately $163.0 million aggregate principal amount of our 2028 Convertible Notes.

On March 29, 2023 and March 31, 2023, in connection with the pricing of the 2030 Convertible Notes, and on April 3, 2023, in connection with the exercise in full by the 2023 Initial Purchasers of their option to purchase additional 2030 Convertible Notes, we entered into Capped Calls (the “2030 Capped Calls”) with certain counterparties. We used $27.8 million of the net proceeds from the 2030 Convertible Notes to pay the cost of the 2030 Capped Calls.

Cash Flows

The following table summarizes our cash flows for the periods indicated (in thousands):


	Year Ended December 31,
	2023		2022

Net cash used in operating activities	$	(207,377)	$	(106,030)
Net cash provided by (used in) investing activities	135,727		(544,373)
Net cash provided by (used in) financing activities	90,238		(9,272)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(16)		(202)
Net increase (decrease) in cash, cash equivalents and restricted cash	$	18,572	$	(659,877)

Operating Activities

During the year ended December 31, 2023, net cash used in operating activities was $207.4 million, primarily due to our net loss of $140.4 million, adjusted for non-cash charges of $50.6 million and a net cash outflow of $117.6 million from changes in operating assets and liabilities. Non-cash charges primarily consisted of depreciation and amortization of $46.3 million, non-cash interest expense of $2.6 million related to debt issuance costs, stock-based compensation expense of $45.1 million, change in fair value of derivative liability of $7.7 million, non-cash lease expense of $2.9 million, impairment of energy storage systems of $4.7 million, impairment loss of project assets of $0.2 million, provision for accounts receivable allowance of $1.4 million, and net recognized loss on investments of $1.6 million, partially offset by a net gain on debt extinguishment of $59.1 million, an income tax benefit of $0.3 million, net accretion of discount on investments of $1.8 million, and other non-cash items of $0.7 million. The net cash outflow from changes in operating assets and liabilities was primarily driven by an increase in accounts receivable of $80.9 million, an increase in inventory of $18.3 million, an increase in other assets of $18.0 million, an increase in contract origination costs of $5.9 million, an increase in project assets of $5.4 million, a decrease in accrued expenses of $15.8 million, a decrease in accounts payable of $5.2 million, and a decrease in lease liabilities, net of $2.9 million, partially offset by a decrease in deferred costs with suppliers of $30.3 million, and an increase in deferred revenue of $4.6 million.

During the year ended December 31, 2022, net cash used in operating activities was $106.0 million, primarily due to our net loss of $124.1 million, adjusted for non-cash charges of $70.3 million and net cash outflow of $52.3 million from changes in operating assets and liabilities. Non-cash charges primarily consisted of depreciation and amortization of $45.4 million, non-cash interest expense of $1.9 million related to debt issuance costs, stock-based compensation expense of $28.7 million, non-cash lease expense of $2.3 million, impairment of energy storage systems of $2.6 million, loss on disposal of property and equipment of $0.3 million, impairment loss of project assets of $0.5 million, provision for accounts receivable allowance of $3.6 million, and other non-cash items of $0.2 million, partially offset by an income tax benefit of $15.1 million, and net accretion of discount on investments of $0.1 million. The net cash outflow from changes in operating assets and liabilities was primarily driven by an increase in accounts receivable of $155.8 million, an increase in deferred costs with suppliers of $37.1 million, an increase in other assets of $29.4 million, an increase in contract origination costs of $9.6 million, an increase in project assets of $3.7 million, a decrease in lease liabilities, net of $1.6 million, partially offset by a decrease in inventory of $18.6 million, an increase in accounts payable of $53.3 million, an increase in accrued expenses and other liabilities of $62.2 million, and an increase in deferred revenue of $51.0 million.

Investing Activities

During the year ended December 31, 2023, net cash provided by investing activities was $135.7 million, primarily consisting of $155.7 million in net proceeds of available-for-sale investments, partially offset by $1.8 million used for acquisitions, net of cash acquired, $2.6 million used for the purchase of energy systems, $14.1 million in capital expenditures on internally-developed software, and $1.5 million used for the purchase of property and equipment.

During the year ended December 31, 2022, net cash used in investing activities was $544.4 million, primarily consisting of $533.0 million used for our acquisition of AlsoEnergy, net of cash acquired, $2.6 million used for the purchase of energy systems, $16.8 million in capital expenditures on internally-developed software, $0.1 million used for the purchase of equity method investment, and $1.5 million used for the purchase of property plant and equipment, partially offset by $9.6 million in net proceeds of available-for-sale investments.

Financing Activities

During the year ended December 31, 2023, net cash provided by financing activities was $90.2 million, primarily consisting of proceeds from issuance of convertible notes of $232.4 million, and proceeds from exercise of stock options of $0.3 million, partially offset by the repayment of $99.8 million for the partial cancellation of our 2028 Convertible Notes, the repayment of financing obligations of $12.7 million, the purchase of capped calls of $27.8 million, the repayment of notes payable of $2.1 million, and a redemption of non-controlling interest of $0.1 million.

During the year ended December 31, 2022, net cash used in financing activities was $9.3 million, primarily consisting of payments for withholding taxes related to net share settlement of stock options of $2.3 million, repayment of financing obligations of $10.3 million, partially offset by proceeds from exercise of stock options of $1.3 million, proceeds from financing obligations of $1.5 million, and an investment from non-controlling interest of $0.5 million.

Contractual Obligations and Commitments

The contractual obligations presented in the table below represent our estimates of future payments under fixed contractual obligations and commitments. Changes in our business needs, cancellation provisions and changes in interest rates, as well as action by third parties and other factors, may cause these estimates to change. Therefore, our actual payments in future periods may vary from those presented in the table below. We generally expect to satisfy these commitments with cash on hand and cash provided by operating activities.

The following table summarizes our contractual obligations and commitments as of December 31, 2023 (in thousands).


			Less than						More than
	Total		1 Year		1-3 Years		3-5 Years		5 Years





Interest on 2028 Convertible Notes	$	7,302	$	1,485	$	2,970	$	2,847	$	—
Interest on 2030 Convertible Notes	63,750		10,200		20,400		20,400		12,750
Operating lease obligations	15,224		3,620		5,869		5,339		396
Non-cancelable purchase obligations	6,736		3,741		2,713		282		—
Total	$	93,012	$	19,046	$	31,952	$	28,868	$	13,146

See Note 8 — Leases and Note 13 — Convertible Notes, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K for more details.

We do not consider our financing obligations as contractual obligations, as our repayments of such obligations are required only to the extent payments are collected in relation to the operation of the underlying energy storage systems. The obligation is nonrecourse and there are no contractual commitments to pay specific amounts at any point in time throughout the life of the obligation.

We are not a party to any off-balance sheet arrangements, including guarantee contracts, retained or contingent interests, or unconsolidated variable interest entities that either have, or would reasonably be expected to have, a current or future material effect on our consolidated financial statements.

Critical Accounting Policies and Estimates

Our discussion and analysis of financial condition and results of operations are based upon our consolidated financial statements. Our consolidated financial statements are prepared in accordance with GAAP. The preparation of our consolidated financial statements in accordance with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue and expenses. We base our estimates on past experience and other assumptions that we believe are reasonable under the circumstances, and we evaluate these estimates on an ongoing basis. Actual results may differ from those estimates.

Our critical accounting policies are those that materially affect our consolidated financial statements and involve difficult, subjective or complex judgments by management. A thorough understanding of these critical accounting policies is essential when reviewing our consolidated financial statements. We believe that the critical accounting policies listed below involve the most difficult management decisions because they require the use of significant estimates and assumptions as described above.

Our significant accounting policies are described in Note 2 — Summary of Significant Accounting Policies, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K. We believe that the following critical accounting policies reflect the more significant estimates and assumptions used in the preparation of our consolidated financial statements:

Revenue Recognition

We generate revenue through host customer arrangements, partnership arrangements, and sales of project assets. We apply judgment during the identification of a contract to determine the customer’s ability and intent to pay, which is based on a variety of factors, including the customer’s historical payment experience or, in the case of a new customer, credit and financial information pertaining to the customer.

For contracts that contain multiple performance obligations, we allocate the transaction price for each contract to each performance obligation based on the relative standalone selling price, or SSP for each performance obligation. We use judgment in determining the SSP for our products and services. We typically assess the SSP for our products and services on an annual basis or when facts and circumstances change. To determine SSP, we maximize the use of observable standalone sales and observable data, where available. In instances where performance obligations do not have observable standalone sales, we utilize available information that may include other observable inputs or use the expected cost-plus margin approach to estimate the price we would charge if the products and services were sold separately. The expected cost-plus margin approach is currently used to determine SSP for each distinct performance obligation for sale of hardware.

In some cases, the total transaction price is determined based on the total consideration specified in the contract, including variable consideration in the form of a performance guaranty payment that represents potential amounts payable to customers. The expected value method is generally used when estimating variable consideration, which typically reduces the total transaction price due to the nature of the performance obligations to which the variable consideration relates. These estimates reflect our historical experience and current contractual requirements which cap the maximum amount that may be paid. The expected value method requires judgment and considers multiple factors that may vary over time depending upon the unique facts and circumstances related to each performance obligation. Depending on the facts and circumstances, a change in variable consideration estimate will either be accounted for at the contract level or using the portfolio method.

Goodwill

Goodwill is tested for impairment on annual basis. If circumstances change during interim periods between annual tests that would more likely than not reduce the fair value of a reporting unit below its carrying value, we will test goodwill for impairment. Factors that would necessitate an interim goodwill impairment assessment include a sustained decline in our stock price, or prolonged negative industry or economic trends. Management uses judgment to determine whether to use a qualitative analysis or a quantitative fair value measurement for our goodwill impairment testing. Our fair value measurement approach combines the income and market valuation techniques for our reporting unit. These valuation techniques use estimates and assumptions including, but not limited to, the determination of appropriate market comparables, projected future cash flows (including timing and profitability), discount rate reflecting the risk inherent in future cash flows, perpetual growth rate, and

projected future economic and market conditions. Changes in these assumptions could have a significant impact on either the fair value, the amount of any goodwill impairment charge, or both.

We conducted our fiscal 2023 annual impairment test in the fourth quarter of 2023 and utilized the quantitative approach. We used discounted cash flows (“DCF”), and market approaches to estimate the fair value of our reporting unit. We believe we used reasonable estimates and assumptions about future revenue, cost projections, cash flows, market multiples and discount rates as of the measurement date. After this analysis, we determined that all of our reporting units had fair values exceeding their carrying values.

Impairment of Long-Lived Assets

Long-lived assets, including energy storage systems, and intangible assets with finite lives, are reviewed for impairment when events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Factors that we analyze in determining whether an impairment in our long-lived assets exists include determining if a significant decrease in the market price of a long-lived asset is present; a significant adverse change in the extent to which a long-lived asset is being used in its physical condition; legal proceedings or factors; significant business climate changes; accumulations of costs in significant excess of the amounts expected; a current-period operating or cash flow loss coupled with historical negative cash flows or expected future negative cash flows; and current expectations that more likely than not, a long-lived asset will be sold or otherwise disposed of significantly before the end of its estimated useful life.

When an impairment indicator is present, we determine if the carrying value of the asset is recoverable by comparing it to its expected undiscounted future cash flows. If the asset group is not recoverable, the impairment loss is calculated as the excess of the carrying value over the fair value. Key estimates in the undiscounted cash flow model include management’s estimate of the projected revenues and operating margins. If fair value is used to determine an impairment loss, an additional key assumption is the selection of a weighted-average cost of capital to discount cash flows. We recorded impairment charges for energy storage systems amounting to $4.7 million in during the year ended December 31, 2023.

Recent Accounting Pronouncements

Information with respect to recent accounting pronouncements may be found in Note 2 — Summary of Significant Accounting Policies, in the accompanying notes to the consolidated financial statements included in Part II, Item 8, "Financial Statements and Supplementary Data" of this Annual Report on Form 10-K.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Market risk represents the risk of loss that may impact our financial position because of adverse changes in financial market prices and rates. Our market risk exposure is primarily a result of exposure resulting from potential changes in inflation, exchange rates or interest rates. We do not hold financial instruments for trading purposes.

Foreign Currency Exchange Risk

Our expenses are generally denominated in U.S. dollars. However, we have foreign currency risks related to our revenue and operating expenses denominated in Canadian dollars. We have entered into contracts with customers and a limited number of supply contracts with vendors with payments denominated in foreign currencies. We are subject to foreign currency transaction gains or losses on our contracts denominated in foreign currencies. To date, foreign currency transaction gains and losses have not been material to our financial statements.

Unfavorable changes in foreign exchange rates versus the U.S. dollar could increase our product costs, thus reducing our gross profit. We have not engaged in the hedging of foreign currency transactions to date, although we may choose to do so in the future. We do not believe that an immediate 10% increase or decrease in the relative value of the U.S. dollar to other currencies would have a material effect on operating results or financial condition.

Interest Rate Risk

Interest rate risk is the risk that the value or yield of fixed-income investments may decline if interest rates change. Fluctuations in interest rates may impact the level of interest expense recorded on outstanding borrowings. Our 2028 Convertible Notes, 2030 Convertible Notes, and financing obligations bear interest at a fixed rate and are not publicly traded. Therefore, the fair value of our 2028 and 2030 Convertible Notes, financing obligations and interest expense is not materially affected by changes in the market interest rates. We do not enter into derivative financial instruments, including interest rate swaps, for hedging or speculative purposes.

Credit Risk

We routinely assess the creditworthiness of our customers. We generally have not experienced any material losses related to receivables from individual customers, or groups of customers, during the years ended December 31, 2023 and 2022. We do not require collateral. Due to these factors, no additional credit risk beyond amounts provided for collection losses is believed by management to be probable in our accounts receivable.

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

STEM, INC.

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

As of December 31, 2023 and 2022, and for Years Ended December 31, 2023, 2022 and 2021


			Page
Index to Audited Consolidated Financial Statements
Report of Independent Registered Public Accounting Firm (PCAOB ID No. 34)			58
Financial Statements:
Consolidated Balance Sheets			61
Consolidated Statements of Operations			62
Consolidated Statements of Comprehensive Loss			63
Consolidated Statements of Stockholders’ Equity			64
Consolidated Statements of Cash Flows			65
Notes to Consolidated Financial Statements			67

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Stockholders and the Board of Directors of Stem, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Stem, Inc. and subsidiaries (the "Company") as of December 31, 2023 and 2022, the related consolidated statements of operations, comprehensive loss, stockholders’ equity, and cash flows, for each of the three years in the period ended December 31, 2023, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2023 and 2022, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2023, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2023, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 28, 2024, expressed an unqualified opinion on the Company's internal control over financial reporting.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matters

The critical audit matters communicated below are matters arising from the current-period audit of the financial statements that were communicated or required to be communicated to the audit committee and that (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

Revenue – Partnership Arrangements — Refer to Notes 2, 3, and 5 to the financial statements

Critical Audit Matter Description

Partnership arrangements consist of promises to transfer inventory in the form of an energy storage system to a “solar plus storage” project developer and to separately provide energy optimization services to the ultimate owner of the project after the developer completes the installation of the project. Under partnership arrangements, the Company’s customer is the “solar plus storage” project developer. The Company determined the promise to deliver the inventory as a component of the solar plus storage project for which the customer is responsible to develop is a separate and distinct performance obligation from the promise to provide energy optimization services. The Company determines the transaction price at the outset of the arrangement, primarily based on the contractual payment terms dictated by the contract with the customer. Fees charged to customers for energy optimization services consist of recurring fixed monthly payments throughout the term of the contract. Fees charged for the sale of inventory generally consist of fixed fees payable upon or shortly after successful delivery to the customer. For certain customer contracts, the terms of the arrangement provide for variable consideration. The Company accounts for such contractual terms as variable consideration at each measurement date at its most likely amount. In certain revenue contracts, the final settlement is indexed to the price per ton of lithium carbonate, which results in an embedded derivative feature that should be considered for bifurcation and accounting recognition separate from the revenue contract. The Company allocates revenue between the hardware and energy storage services performance obligations based on the standalone selling price of each performance obligation. The standalone selling price for the hardware is established based on observable

pricing. The standalone selling price for the energy optimization services is established using a residual value approach due to the significant variability in the services provided to each individual customer based on the specific requirements of each individual project and the lack of observable standalone sales of such services.

The Company transfers control of the inventory upon delivery and simultaneous transfer of title to the customer. The Company transfers control of its energy optimization services to its customers continuously throughout the term of the contract (a stand-ready obligation), which does not commence until the customer successfully completes the installation of the project. As a result, the time frame between when the Company transfers control of the inventory to the customer upon delivery is generally several months, and can be in excess of one year, before the Company is required to perform any subsequent energy optimization services. Revenue is recognized ratably as control of these services is transferred to its customers based on a time-based output measure of progress of days elapsed over the term of the contract, in an amount that reflects the consideration the Company expects to be entitled to in exchange for its services.

We identified the Company’s accounting for the partnership arrangements as a critical audit matter because of (1) the complexity of certain revenue contracts with derivative features, and the significant judgment used by management to determine whether the derivative feature should be bifurcated and accounted separately from the revenue contracts in accordance with accounting principles generally accepted in the United States of America and (2) management’s judgment to determine the most likely amount of variable consideration at each measurement date. This required a high degree of auditor judgment and an increased extent of effort in auditing the judgments and estimates made in allocating revenue and determining the most likely amount of variable consideration, including the need to involve professionals with expertise in accounting for revenue contracts with derivative features when performing audit procedures to evaluate management’s accounting for such contracts.

How the Critical Audit Matter Was Addressed in the Audit

Our audit procedures related to revenue from partnership agreements included the following, among others:

•We tested the effectiveness of the controls relevant to the revenue process.

•For partnership arrangements with embedded derivative features, we performed the following procedures:

–Obtained and evaluated the Company’s accounting memoranda and other documentation regarding the application of the relevant accounting guidance to the revenue contracts with derivative features.

–Obtained, read, and compared the underlying terms and conditions of the relevant contracts and contract amendments, if any, to the Company’s accounting memoranda and other documentation, and tested management’s identification of significant terms and conditions.

–Evaluated the Company’s conclusions regarding the accounting treatment applied to the revenue contracts with derivative features, with the assistance of professionals with expertise in accounting for revenue contracts.

–Tested the allocation of the contract value between the primary performance obligation and the embedded derivative.

•For remaining partnership arrangements, we selected a sample of contracts with customers and performed the following procedures:

–Obtained and read the contracts and contract amendments, if any, and tested management’s identification of significant terms and conditions.

–Tested management’s identification of distinct performance obligations by evaluating whether the underlying goods, services, or both were highly interdependent and interrelated.

–Evaluated management’s estimate of variable consideration for reasonableness.

–Evaluated the timing of revenue recognition for each performance obligation through obtaining signed proof of delivery documents.

–Tested the mathematical accuracy of management’s calculation of revenue recognized in the financial statements.

•We evaluated the sufficiency of the disclosures related to revenue from Partnership Arrangements in the financial statements.

Goodwill— Refer to Notes 2 and 7 to the financial statements

Critical Audit Matter Description

Goodwill amounts are not amortized, but rather tested for impairment at least annually or more often if circumstances indicate that the carrying value may not be recoverable. Goodwill is considered impaired if the carrying value of the reporting unit exceeds its fair value. The Company has one reporting unit and as a result, goodwill has been assigned to the single reporting unit. For 2023, the Company performed its annual impairment test utilizing the quantitative approach. The Company’s fair value measurement approach combines the income and market valuation techniques for the Company’s reporting unit. These valuation techniques use estimates and assumptions including, but not limited to, the determination of appropriate market comparables, projected future cash flows (including timing and profitability), a discount rate reflecting the risk inherent in future cash flows, a perpetual growth rate, and projected future economic and market conditions. Changes in these assumptions could have a significant impact on either the fair value, the amount of any goodwill impairment charge, or both. The goodwill balance was $547.2 million as of December 31, 2023. The Company determined that no adjustment to the carrying value of goodwill was required.

We identified the annual impairment test of goodwill as a critical audit matter because of the significant judgments made by management to estimate the fair value of the Company’s reporting unit. This required a high degree of auditor judgment and an increased extent of effort, including the need to involve our fair value specialists, when performing audit procedures to evaluate the reasonableness of management’s estimates and assumptions related to the determination of appropriate market comparables, projected future cash flows, the selection of the discount rate and the selection of the perpetual growth rate.

How the Critical Audit Matter Was Addressed in the Audit

Our audit procedures related to the determination of appropriate market comparables, projected future cash flows, the selection of the discount rate, and the selection of the perpetual growth rate used by management to estimate the fair value included the following, among others:

•We tested the effectiveness of controls over management's goodwill impairment test, including those over the determination of the fair value, such as controls related to management's determination of appropriate market comparables, projected future cash flows, the selection of the discount rate, and the selection of the perpetual growth rate.

•We evaluated management's ability to accurately projected cash flows by comparing actual results to management's historical forecasts.

•We evaluated the reasonableness of management's projected cash flows by comparing the forecasts to (1) historical results, (2) internal communications to management and the Board of Directors, and (3) forecasted information included in the industry reports and analyst reports of the Company and companies in its peer group.

•With the assistance of our fair value specialists, we evaluated the reasonableness of the valuation methodology, the discount rate, and the perpetual growth rate, including testing the underlying source information and the mathematical accuracy of the calculations, and developing a range of independent estimates and comparing those to the discount rate and the perpetual growth rate selected by management.

•With the assistance of our fair value specialists, we evaluated the market multiples, including testing the underlying source information and mathematical accuracy of the calculations, and comparing the multiples selected by management to its guideline companies.

/s/DELOITTE & TOUCHE LLP

San Francisco, California

February 28, 2024

We have served as the Company’s auditor since 2018.

STEM, INC.

CONSOLIDATED BALANCE SHEETS

(in thousands, except share and per share amounts)


	December 31, 2023		December 31, 2022

ASSETS
Current assets:
Cash and cash equivalents	$	105,375	$	87,903
Short-term investments	8,219		162,074
Accounts receivable, net of allowances of $4,904 and $3,879 as of December 31, 2023 and December 31, 2022, respectively	302,848		223,219
Inventory, net	26,665		8,374
Deferred costs with suppliers	20,555		43,159
Other current assets (includes $73 and $74 due from related parties as of December 31, 2023 and December 31, 2022, respectively)	9,303		8,026
Total current assets	472,965		532,755
Energy storage systems, net	74,418		90,757
Contract origination costs, net	11,119		11,697
Goodwill	547,205		546,649
Intangible assets, net	157,146		162,265
Operating lease right-of-use assets	12,255		12,431
Other noncurrent assets	81,869		65,339
Total assets	$	1,356,977	$	1,421,893
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	78,277	$	83,831
Accrued liabilities	76,873		85,258
Accrued payroll	14,372		12,466


Financing obligation, current portion	14,835		15,720
Deferred revenue, current portion	53,997		64,311
Other current liabilities (includes $31 and $687 due to related parties as of December 31, 2023 and December 31, 2022, respectively)	12,726		5,412
Total current liabilities	251,080		266,998
Deferred revenue, noncurrent	88,650		73,763
Asset retirement obligation	4,052		4,262
Notes payable, noncurrent	—		1,603
Convertible notes, noncurrent	523,633		447,909
Financing obligation, noncurrent	52,010		63,867

Lease liabilities, noncurrent	10,455		10,962
Other liabilities	416		362
Total liabilities	930,296		869,726
Commitments and contingencies (Note 20)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 1,000,000 shares authorized as of December 31, 2023 and December 31, 2022, respectively; zero shares issued and outstanding as of December 31, 2023 and December 31, 2022, respectively	—		—
Common stock, $0.0001 par value; 500,000,000 shares authorized as of December 31, 2023 and December 31, 2022; 155,932,880 and 154,540,197 issued and outstanding as of December 31, 2023 and December 31, 2022, respectively	16		15
Additional paid-in capital	1,198,716		1,185,364
Accumulated other comprehensive loss	(42)		(1,672)
Accumulated deficit	(772,494)		(632,081)
Total Stem's stockholders’ equity	426,196		551,626
Non-controlling interests	485		541
Total stockholders’ equity	426,681		552,167
Total liabilities and stockholders’ equity	$	1,356,977	$	1,421,893

The accompanying notes are an integral part of these consolidated financial statements.

STEM, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except share and per share amounts)


	Years Ended December 31,
	2023		2022		2021
Revenue
Services and other revenue	$	62,548	$	52,143	$	20,463
Hardware revenue	398,967		310,837		106,908
Total revenue	461,515		362,980		127,371
Cost of revenue
Cost of services and other revenue	50,298		43,153		28,177
Cost of hardware revenue	407,552		286,735		97,947
Total cost of revenue	457,850		329,888		126,124
Gross profit	3,665		33,092		1,247
Operating expenses
Sales and marketing	51,556		48,882		19,950
Research and development	56,508		38,303		22,723
General and administrative	74,915		77,028		41,648
Total operating expenses	182,979		164,213		84,321
Loss from operations	(179,314)		(131,121)		(83,074)
Other income (expense), net
Interest expense, net	(14,977)		(10,468)		(17,395)
Gain (loss) on extinguishment of debt, net	59,121		—		(5,064)
Change in fair value of derivative liability	(7,731)		—		—
Change in fair value of warrants and embedded derivatives	—		—		3,424
Other income, net	2,921		2,374		898
Total other income (expense), net	39,334		(8,094)		(18,137)
Loss before (provision for) benefit from income taxes	(139,980)		(139,215)		(101,211)
(Provision for) benefit from income taxes	(433)		15,161		—
Net loss	$	(140,413)	$	(124,054)	$	(101,211)



Net loss per share attributable to Stem common shareholders, basic and diluted	$	(0.90)	$	(0.81)	$	(0.96)

Weighted-average shares used in computing net loss per share to Stem common shareholders, basic and diluted	155,583,957		153,413,743		105,561,139

The accompanying notes are an integral part of these consolidated financial statements.

STEM, INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(in thousands)


	Years Ended December 31,
	2023		2022		2021
Net loss	$	(140,413)	$	(124,054)	$	(101,211)
Other comprehensive loss:
Unrealized gain (loss) on available-for-sale securities	1,676		(1,507)		(175)
Foreign currency translation adjustment	(46)		(185)		387
Total other comprehensive loss	$	(138,783)	$	(125,746)	$	(100,999)

The accompanying notes are an integral part of these consolidated financial statements.

STEM, INC.

CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(in thousands, except share amounts)

Common Stock

Additional

Paid-In

Capital

Accumulated

Other

Comprehensive

Income (Loss)

Accumulated

Deficit

Non-controlling Interests

Total

Stockholders’

Equity

Amount