by Julian Spector
February 10, 2017

The year in clean energy got steamy well before Valentine's Day.

AES Distributed Energy sealed a deal with the Kauai Island Utility Cooperative for a coupling of solar PV and energy storage to serve the role of peaker plant. The cooperative utility will pay 11 cents per kilowatt-hour for the firmed solar generation, "significantly less" than the oil-burning incumbent, according to KIUC.

The AES plant didn't just beat fossil fuels. It also surpassed a Tesla/SolarCity solar-plus-storage facility announced for the same island in 2015, which...