EX-21.1 3 cms10k20221231_ex21-1.htm EXHIBIT 21.1 - SUBSIDIARIES (CMS ENERGY AND CONSUMERS) Document

Exhibit 21.1
For the purpose of this filing, information is organized under the headings of CMS Energy Corporation (Tier 1), CMS Capital, L.L.C. (Tier 2), NorthStar Clean Energy Company, formerly known as CMS Enterprises Company (Tier 2), CMS Treasury Services, LLC (Tier 2), and Consumers Energy Company (Tier 2). As set forth in detail below, CMS Energy Corporation is the parent company of CMS Capital, L.L.C., NorthStar Clean Energy Company, CMS Treasury Services, LLC, and Consumers Energy Company. All ownership interests are 100 percent unless indicated parenthetically to the contrary and are accurate as of December 31, 2022.
NAME of COMPANY
JURISDICTION of ORGANIZATION
01 CMS ENERGY CORPORATION
Michigan
02 CMS Capital, L.L.C.
Michigan
03 CMS Land Company
Michigan
02 NorthStar Clean Energy Company
Michigan
03 Dearborn Industrial Energy, L.L.C.
Michigan
04 Dearborn Industrial Generation, L.L.C.
Michigan
03 CMS Energy Resource Management Company
Michigan
04 CMS ERM Michigan LLC
Michigan
04 CMS Viron Corporation
Missouri
03 CMS Enterprises Sustainable Energy, LLC
Michigan
04 Minnigan Holdco, LLC (50%)
Delaware
04 Grand River Solar, LLC
Michigan
05 Branch Solar, LLCDelaware
05 Lake Iris Solar, LLCDelaware
05 Delta Solar Equity Holdings, LLCDelaware
06 Delta Solar Power I, LLC
Michigan
06 Delta Solar Power II, LLC
Michigan
05 Flambeau Solar Partners, LLC
Delaware
05 Hart Solar Holdings II, LLC
Delaware
06 Hart Solar Holdings I, LLC
Delaware
07 Hart Solar Partners, LLC
Delaware
05 Newport Solar Equity Holdings, LLC
Delaware
06 Newport Solar Holdings II, LLC
Delaware
07 Newport Solar Holdings I, LLC
Delaware
08 Newport Solar, LLC
Delaware
05 Genesee Solar Energy, LLCDelaware
04 Grand River Wind, LLC
Michigan
05 NWO Wind Equity Holdings, LLCDelaware
06 NWO Holdco I, LLCDelaware
07 NWO Holdco, L.L.C.
Delaware
08 Northwest Ohio Wind, LLC
Ohio
09 Northwest Ohio IA, LLC (97%)Delaware
05 Northwest Ohio Solar, LLC
Delaware
06 Northwest Ohio IA, LLC (3%)Delaware
05 Aviator Wind Equity Holdings, LLC (51%)
Delaware
06 AW Holdings III, LLC
Delaware
07 AW Holdings II, LLC
Delaware


NAME of COMPANY
JURISDICTION of ORGANIZATION
08 AW Holdings I, LLC
Delaware
09 Aviator Wind Holdings, LLC
Delaware
10 Aviator Wind, LLC
Delaware
03 CMS Gas Transmission Company
Michigan
04 CMS International Ventures, L.L.C. (37.01%)
    (See Exhibit A for list of subsidiaries)
Michigan
03 CMS International Ventures, L.L.C. (61.49%)
    (See Exhibit A for list of subsidiaries)
Michigan
03 HYDRA‑CO Enterprises, Inc.
    (See Exhibit B for list of subsidiaries)
New York
02 CMS Treasury Services, LLCMichigan
02 Consumers Energy CompanyMichigan
Conducts business under the following assumed names:
Consumers Business Energy Services
Consumers Energy
Consumers Energy Business Services
Consumers Energy Consultants
Consumers Energy Contractor Network
Consumers Energy Dealer Network
Consumers Energy Finance
Consumers Energy Fitness Audits
Consumers Energy Group
Consumers Energy HouseCall
Consumers Energy HouseCall Services
Consumers Energy Management
Consumers Energy Resources
Consumers Energy Security Services
Consumers Energy Services
Consumers Energy Systems
Consumers Energy Traders
Consumers Power
Consumers Power Company
Laboratory Commercial Services
Laboratory Services
Michigan Gas Storage
Michigan Gas Storage Company
Technical Training Centers
Zeeland Power Company
03 CMS Engineering Co.Michigan
03 Consumers 2014 Securitization Funding LLCDelaware
03 Consumers Campus Holdings, LLCMichigan
03 Consumers Receivables Funding II, LLCDelaware
03 ES Services CompanyMichigan


Exhibit A

Subsidiaries of CMS International Ventures, L.L.C.
NAME of COMPANY
JURISDICTION of ORGANIZATION
04 CMS Electric & Gas, L.L.C.
Michigan
05 CMS Venezuela, S.A.
Venezuela
05 ENELMAR S.A.Venezuela


Exhibit B

Subsidiaries of HYDRA‑CO Enterprises, Inc.
NAME of COMPANY
JURISDICTION of ORGANIZATION
04 CMS Generation Filer City, Inc.Michigan
05 T.E.S. Filer City Station Limited Partnership (50%)Michigan
04 CMS Generation Filer City Operating LLCMichigan
04 CMS Generation Genesee CompanyMichigan
05 Genesee Power Station Limited Partnership (1% GP)Delaware
04 CMS Generation Grayling CompanyMichigan
05 Grayling Generating Station Limited Partnership (1% GP)Michigan
06 AJD Forest Products Limited Partnership (49.5% LP)Michigan
06 GGS Holdings CompanyMichigan
07 AJD Forest Products Limited Partnership (0.5% GP)Michigan
05 Grayling Partners Land Development, L.L.C. (1%)Michigan
04 CMS Generation Grayling Holdings CompanyMichigan
05 Grayling Generating Station Limited Partnership (49% LP)Michigan
06 AJD Forest Products Limited Partnership (49.5%LP)Michigan
06 GGS Holdings CompanyMichigan
07 AJD Forest Products Limited Partnership (0.5% GP)Michigan
05 Grayling Partners Land Development, L.L.C. (49%)Michigan
04 CMS Generation Holdings CompanyMichigan
05 Genesee Power Station Limited Partnership (48.75% LP)Delaware
05 GPS Newco, L.L.C. (50%)Kansas
06 Genesee Power Station Limited Partnership (0.5% LP)Delaware
04 CMS Generation Michigan Power L.L.C.Michigan
04 CMS Generation Operating Company II, Inc.New York
04 CMS Generation Operating LLCMichigan
04 CMS Generation Recycling CompanyMichigan
05 Mid-Michigan Recycling, L.C. (50%)Michigan
04 Craven County Wood Energy Limited Partnership (44.99% LP)Delaware
04 Dearborn Generation Operating, L.L.C.Michigan
04 HCE-Biopower, Inc.New York
05 IPP Investment Partnership (51%)
06 Craven County Wood Energy Limited Partnership (0.01% LP)Delaware
04 IPP Investment Partnership (49%)
05 Craven County Wood Energy Limited Partnership (0.01% LP)Delaware
04 New Bern Energy Recovery, Inc.Delaware
05 Craven County Wood Energy Limited Partnership (5% GP)Delaware