Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on FormS-8 of Sunnova Energy International Inc. of our report dated April 9, 2019 relating to the financial statement of Sunnova Energy International Inc., which appears in the Registration Statement on FormS-1 (No.333-232393), of Sunnova Energy International Inc..
/s/ PricewaterhouseCoopers LLP
Houston, Texas
July 29, 2019
