Rocky Mountain Power has announced a Virtual Power Plant (VPP) in Herriman, Utah, which is being powered by ecoLinx batteries from Sonnen. Installed at the Soleil Lofts apartment complex, in partnership with the developer Wasatch Group and solar installer Auric Energy, the system comprises 600 individual batteries for a total capacity of 12.6 MWh. The VPP, so-called because Rocky Mountain can treat it like a power generation asset thanks to all that rooftop solar and storage, can be used in grid flexibility and DR applications. The utility manages the system, which also serves as the emergency backup power supplies, and when it is complete in December 2020, it will be the largest operational Residential DR system in the USA –…