The geothermal contract is for 10 years of power from Calpine’s Geysers facilities in northeastern Sonoma County. The deal provides steadily rising volumes reaching 50 megawatts in 2018. By then the total energy coming from that source will amount to 23 percent of Sonoma Clean Power’s mix.
Sonoma Clean Power said it met its early renewable-energy goals by buying short-term contracts. The new deals bring the agency’s long-term contracted renewable sources in California to more than 33 percent of its total output, which exceed California’s 2020 goals for utilities.
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