UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_______________________________________________________________________________

FORM 8-K

_______________________________________________________________________________

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (date of earliest event reported): September 13, 2019 (September 12, 2019)

_______________________________________________________________________________

Sunnova Energy International Inc.

(Exact name of registrant as specified in its charter)

_______________________________________________________________________________

Delaware	001-38995	30-1192746
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification Number)

20 East Greenway Plaza, Suite 475

Houston, Texas 77046

(Address, including zip code, of principal executive offices)

(281) 985-9904

(Registrant's telephone number, including area code)

_______________________________________________________________________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule14a-12under the Exchange Act (17 CFR240.14a-12)
☐	Pre-commencement communications pursuant to Rule14d-2(b)under the Exchange Act (17 CFR240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule13e-4(c)under the Exchange Act (17 CFR240.13e-4(c))

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, $0.0001 par value per share	NOVA	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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. ☒

Item 1.01. Entry into a Material Definitive Agreement

On September 12, 2019, Sunnova Energy Corporation, a wholly-owned subsidiary of Sunnova Energy International, Inc., entered into that certain Fifth Amendment to Office Building Lease Agreement with SCP 20 Greenway, LLC, a Delaware limited liability company (the “Amendment”) primarily to: (i) extend the term from July 31, 2022 until July 31, 2029; (ii) provide for base rental amounts and proportionate share of operating expenses for the extended term, and (iii) reduce the rentable square feet from 71,732 to 68,882. The description of the Amendment contained herein is qualified in its entirety by reference to the Amendment, a copy of which is attached as Exhibit 10.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

Exhibit No.	Description
10.1	Fifth Amendment to Office Building Lease Agreement by and between Sunnova Energy Corporation and SCP 20 Greenway, LLC dated September 12, 2019.
104	Cover Page Interactive Data File (embedded within the inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	SUNNOVA ENERGY INTERNATIONAL INC.
Date: September 13, 2019	By:	/s/ Walter A. Baker
		Walter A. Baker
		Executive Vice President, General Counsel and Secretary