Advanced Microgrid Solutions, NextEra, NRG, Swell, Hecate and Convergent win contracts for batteries and demand response in Orange County pilot project.
Southern California Edison has picked six companies to build 125 megawatts of distributed energy storage and demand response for its Preferred Resources Pilot, a long-term testing ground to learn how distributed energy and the grid can work together.
Winners of this second round of PRP contracts include Advanced Microgrid Solutions, with a 40-megawatt contract for demand response with energy conservation and batteries; Convergent with 35 megawatts of batteries; Hecate with 15 megawatts of batteries; NextEra with 10 megawatts of batteries and 10 megawatts of demand response, NRG with 10 megawatts of solar-storage “hybrid,” and residential battery startup Swell with 5 megawatts of batteries.
SCE is offering 10– to 20-year contract terms, with delivery set to begin between 2018 and 2020. Between now and then, these companies will be busy finding sites and signing up customers within a very specific grid footprint — the areas of Orange County served by SCE’s Johanna and Santiago substations.
This patch of grid is a hot spot for future power shortages and imbalances, caused by the closure of the San Onofre nuclear power plant, the coming closures of natural-gas-fired power plants serving the area, and the changing patterns of grid power generation over the course of the day, largely driven by the growth rooftop solar PV.
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