Sunnova Energy International Inc. (“Sunnova”) (NYSE: NOVA), a leading U.S. residential solar and energy storage service provider, announced today it will release its third quarter 2021 results after the markets close on October 27, 2021, to be followed by a conference call to discuss the results at 8:30 a.m. Eastern Time on October 28, 2021.

The conference call can be accessed live over the phone by dialing 866-211-4135, or for international callers, 647-689-6729. A replay will be available two hours after the call and can be accessed by dialing 800-585-8367, or for international callers, 416-621-4642. The conference ID for the live call and the replay is 2122135. The replay will be available until November 4, 2021.

Interested investors and other parties may also listen to a simultaneous webcast of the conference call by logging onto the Investor Relations section of Sunnova’s website at https://investors.sunnova.com.

About Sunnova

Sunnova Energy International Inc. (NYSE: NOVA) is a leading residential solar and energy storage service provider with customers across the U.S. and its territories. Sunnova’s goal is to be the source of clean, affordable and reliable energy with a simple mission: to power energy independence so that homeowners have the freedom to live life uninterrupted^®.

For more information, visit www.sunnova.com, follow us on Twitter @Sunnova_Solar and connect with us on Facebook.