Sunnova Energy International, Inc. operates as a residential energy service provider. The company is headquartered in Houston, Texas and currently employs 1,170 full-time employees. The company went IPO on 2019-07-25. The firm offers a residential solar dealer model in which it partners with local dealers who originate, design and install its customers' solar energy systems and energy storage systems on its behalf. The firm services include operations and maintenance, monitoring, repairs and replacements, equipment upgrades, onsite power optimization for the customer (for both supply and demand), the ability to switch power sources among the solar panel, grid and energy storage system, as appropriate, and diagnostics. The company also offers ongoing energy services to customers who purchased their solar energy system through third parties. The firm serves commercial, industrial, agricultural, not-for-profit and public sector customers. The company serves approximately 2,79,000 customers in more than 45 United States and territories.