Sunrun to deploy LG Chem batteries in the US market


Today the second-largest U.S. residential solar installer announced a partnership with Korea’s LG to launch LG Chem’s Residential Energy Storage Unit (RESU) in the U.S. market. LG’s RESU lithium-ion battery systems will be included in Sunrun’s BrightBox solar PV plus storage systems, as RESU’s first deployment in the U.S. residential market.

Sunrun’s BrightBox is a third-party owned solar plus storage product. The company notes that it allows customers to comply with self-consumption policies in Hawaii, and the systems can additionally provide backup power. In the future, Sunrun plans to program energy storage systems in BrightBox offerings to allow customers on time-of-use rates to shift grid power usage to avoid paying peak rates.

Sunrun also plans to make the RESU available to other installers through its subsidiary AEE Solar, a nationwide distributor of solar products.

"The energy storage market is advancing at a breakneck pace," stated Sunrun Chief Marketing Officer Michael Grasso. "At Sunrun, we are enabling a home energy management service that integrates rooftop solar generation with onsite energy storage to offer greater energy choice and savings to our customers while helping to modernize the grid."

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RESU was recognized with the the 2016 Intersolar Award at Intersolar Europe, which noted that the battery offers the world’s highest energy density in the low-voltage range, and due to different voltage offerings is also compatible with a wide range of inverters.

LG Is one of the world’s largest suppliers of batteries for electric vehicles, with an estimated 12% global market share in 2014.

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