X0306 4 2021-02-19 0 0001772695 Sunnova Energy International Inc. NOVA 0001782866 Newlight Partners LP 320 PARK AVENUE NEW YORK NY 10022 1 0 0 0 0001782873 Newlight GP LLC C/O NEWLIGHT PARTNERS LP 320 PARK AVENUE NEW YORK NY 10022 1 0 0 0 0001782860 Yadav Ravi C/O NEWLIGHT PARTNERS LP 320 PARK AVENUE NEW YORK NY 10022 1 0 0 0 0001233188 WASSONG DAVID C/O NEWLIGHT PARTNERS LP 320 PARK AVENUE NEW YORK NY 10022 1 0 0 0 Common Shares 2021-02-19 4 C 0 1911942 13.50 A 6499849 D Common Shares 2021-02-23 4 C 0 5962 13.50 A 6505811 D 9.75% Convertible Senior Notes 13.50 2021-02-19 4 C 0 25686000 0 D 2020-05-14 2025-04-28 Common Stock 1911942 80000 D 9.75% Convertible Senior Notes 13.50 2021-02-23 4 C 0 80000 0 D 2020-05-14 2025-04-28 Common Stock 5962 0 D Represents shares of common stock of Sunnova Energy International Inc. (the "Sunnova Shares") held directly by QSIP LP. Pursuant to an investment management agreement, QSIP LP and certain of its affiliates have delegated sole voting and dispositive power over the Sunnova Shares to Newlight Partners LP (f/k/a Strategic Capital Investment Partners, LP). The general partner of Newlight Partners LP is Newlight GP LLC (f/k/a Strategic Investments Group GP LLC). The sole members of Newlight GP LLC are Ravi Yadav and David Wassong. Each of Newlight GP LLC, Ravi Yadav and David Wassong disclaims beneficial ownership of the Sunnova Shares, except to the extent of its pecuniary interest therein, and the inclusion of the Sunnova Shares in this report shall not be deemed to be an admission of beneficial ownership of the Sunnova Shares. Mark Longstreth, an employee of Newlight Partners LP (f/k/a Strategic Capital Investment Partners, LP) or one of its affiliates, serves on the Board of Directors of the Company (the "Board"). Solely for the purpose of Section 16 of the Exchange Act of 1934 (the "Exchange Act"), the Reporting Persons may be deemed to be directors-by-deputization as a result of the service of Mr. Longstreth on the Board. Upon exercise of the Reporting Persons' conversion right under the 9.75% Convertible Senior Notes due 2025 ("Convertible Notes"), the Company, at its sole option, had the right to deliver to the Reporting Persons either cash or common stock. The conversion of the Convertible Notes was exempt from the Section 16(b) short swing profits rule because of the Rule 16b-6 exemption for conversions of fixed-price derivative securities, and the issuance of the shares underlying the Convertible Notes in the conversion was exempt from Section 16(b) short swing profits rule because of the Rule 16b-3(d)(1) exemption for acquisitions from the Company approved the the Company's board of directors. Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person. Exhibit 24.1 - Power of Attorney NEWLIGHT PARTNERS LP, By: Newlight GP LLC, its general partner, /s/ David Taylor Name: David Taylor, Title: Attorney-in-Fact 2021-02-23 NEWLIGHT GP LLC, /s/ David Taylor Name: David Taylor, Title: Attorney-in-Fact 2021-02-23 RAVI YADAV, /s/ David Taylor Name: David Taylor, Title: Attorney-in-Fact 2021-02-23 DAVID WASSONG /s/ David Taylor Name: David Taylor, Title: Attorney-in-Fact 2021-02-23