Sungrow Rejoices the Successful Completion of Washington’s Largest Solar Plant


Sungrow, the global leading inverter solution supplier for renewables, announced it supplied 1500 Vdc string inverters to a 28 MWdc commercial and industrial solar project in Washington. Reportedly the largest PV plant in this state to date, this project has been successfully grid-connected in November as expected.

The project, a commercial and industrial solar facility, will generate 48 GWh annually, powering more than 4000 households. The large site location in Adams, Washington is in an area with a considerably sunnier climate compared to the rest of the state. 

The PV inverters utilized in this project feature a high capacity of 125kW, allowing up to a 5 MW power block design with a virtual central solution. Resilience to the extreme conditions, makes this popular product suitable for the harsh winter in Washington State. October has also witnessed another installation of this 1500Vdc string inverter in US market, a 21 MW Rhode Island PV plant and also the largest utility-scale solar project in the state.

Construction contractor Swinerton Renewable Energy is a turnkey solution provider with over 3 GW commissioned and applications across America and abroad, known for offering superior O&M service. “The solar industry has grown tremendously in Washington over the past year. We appreciate Sungrow’s product performance and service reliability and we’re glad to partner with them to bring jobs and affordable clean energy to Washington State,” said George Hershman, General Manager of Swinerton Renewable Energy.

“Sungrow is honored to work with our customers to deliver 1500 Vdc string inverter solution to the site. As our business grows rapidly in North America, we are dedicated to investing local resources to support our partners across the country from coast to coast. Product safety and compliance are paramount for the success of Sungrow and our customers likewise, we’ll keep contributing to taking the lead in product innovation in all relevant markets, ’’ said Jack Gu, Sungrow President of PV & Storage Division.

About Sungrow

Sungrow Power Supply Co., Ltd (“Sungrow”) is a global leading inverter solution supplier for renewables with over 68 GW installed worldwide as of June 2018. Founded in 1997 by University Professor Cao Renxian, Sungrow is a leader in the research and development of solar inverters, with the largest dedicated R&D team in the industry and a broad product portfolio offering PV inverter solutions and energy storage systems for utility-scale, commercial, and residential applications, as well as internationally recognized floating PV plant solutions. With a strong 21-year track record in the PV space, Sungrow products power installations in over 60 countries, maintaining a worldwide market share of over 15%. Learn more about Sungrow by visiting