Rocky Mountain Power will operate a 12.6 MWh virtual power plant aggregating Sonnen batteries installed in an apartment complex

September 02, 2019
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The Soleil Lofts virtual power plant (VPP) includes 600 Sonnen batteries, one per apartment unit, which will store power generated by the 5.2 MW on-site rooftop solar PV system. The real estate developer The Wasatch Group plans to spend $31 million, which includes the solar installation, and the utility Rocky Mountain Power (RMP), will spend $3.27 million as a contribution for the installation of the batteries. The storage system is meant to support the all-electric apartment complex by providing backup capacity and helping reduce peak demand while directly benefiting RMP for its grid management operations. These types of projects are key to support the electrification of the built environment and the decarbonization of the energy mix.

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