Sunnova Energy International Inc. (NYSE: NOVA) announced the expansion of its Sunnova SunSafe1 solar + battery storage system offering into the state of Florida, making the Sunshine State the 13th market where Sunnova now offers SunSafe. Sunnova also announced the addition of a 15-year financing plan for add-on solar battery storage. This new, first of its kind, 15-year add-on solar battery storage offering is immediately available in all existing Sunnova SunSafe markets.2

From 2008 - 2017, Florida experienced 848 power outages affecting ~25 million people, more than any other state for the same time period.3 Extreme weather-from hurricanes to tropical storms-has caused severe power outages for Floridians. In 2017, Hurricane Irma alone knocked out power to 6.7 million customers-64% of all customer accounts in the state.4

"As weather events continue to increase in frequency and impact, we are proud to be able to offer our customers energy resiliency and reliability with our SunSafe solar + battery storage offerings," said William J. (John) Berger, Chief Executive Officer of Sunnova Energy International. "With regular power outages becoming an unfortunate reality, back-up power isn't just a nice-to-have anymore, it's a necessity."

The Sunnova SunSafe offerings provide customers with energy reliability and peace of mind when unexpected events cause grid power outages. Unlike a solar-only system, Sunnova SunSafe customers can continue to generate solar energy during the day when a power outage occurs. Any excess energy produced is stored in the battery for use at night or when needed. When charged at 100%, customers can power their most needed lights and appliances for approximately 10-13 hours, depending on battery capacity and usage5. Additional batteries increase energy availability. All Sunnova solar + storage systems are backed by an exclusive 25-year Sunnova Protect service agreement. Our add-on solar battery storage offering comes with up to 15 years of coverage6.

"In addition to the broad choice of financing offerings we already provide, we are proud to now offer multiple financing options for our Sunnova SunSafe solar energy plans, with the 15-year offering helping to lower the cost to gain access to reliable energy storage," said Michael Grasso, Chief Marketing Officer of Sunnova Energy International. "We're here to provide a better energy service at a better price. We're able to do that because we provide our dealers and customers with a variety of financing and product solutions."

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1 The Sunnova design logo, "Sunnova" and our other registered or common law trademarks, service marks or trade names appearing in this press release are the property of Sunnova Energy Corporation. Solely for convenience, trademarks and trade names referred to in this press release, including logos, artwork and other visual displays, may appear without the  ® or TM symbols, but such references are not intended to indicate in any way that we will not assert, to the fullest extent under applicable law, our rights or the rights of the applicable licensor to these trademarks and trade names.

2 All services provided by Sunnova Energy International Inc.'s subsidiary Sunnova Energy Corporation. Licensing Information.

3 Source: Eaton Blackout Tracker: United States Annual Report 2017; Source: Eaton Blackout Tracker: United States Annual Report 2018 https://switchon.eaton.com/plug/blackout-tracker

4 Source: https://www.eia.gov/todayinenergy/detail.php?id=32992

5 The amount of power available from the battery during a power outage is limited, depending on the loads connected, customer usage and battery configuration (i.e. batteries in certain areas may be set up to provide you with the best economic benefit, which may affect the amount of back-up power available). Solar systems and/or batteries may require repairs after weather events and such repairs may be delayed due to forces outside of our control. No assurances can be given that the solar system or the battery will always work. You should never rely upon either of these to power life support or other medical devices.

6 Limitations apply. Refer to warranty agreement for details.