In aggregate, California’s three large investor-owned utilities (IOUs), which serve 68% of the enormous state’s electricity, increased their renewables share to 15.4%, up from 13% in 2008.

2009 marks the first time that the IOUs have jointly delivered more renewable energy than they did in 2003, the year the renewable portfolio standard (RPS) programme began. Indeed, renewable deliveries had actually decreased from 2003 to 2008 as electricity consumption increased, contracts expired and small hydro facilities decreased output.

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