California produces just 117 GWh renewable power on September 18

Solar array in California. Author: U.S. Army Corps of Engineers. License: Creative Commons, Attribution 2.0 Generic.

Renewable power generation in California, excluding large hydro, fell to 117,009 MWh on Sunday from 129,913 MWh on Saturday and from 137,710 MWh on Friday.

According to data by the California Independent System Operator Corp (ISO), wind farms in the US state produced just 9,824 MWh, marking a 48.92% day-on-day drop.

Solar photovoltaic (PV) power generation declined to 62,862 MWh from previous day's 65,922 MWh, peaking at 7,421 MW at 1400 Pacific Daylight Time (PDT). In addition, solar thermal power plants produced 5,343 MWh.

California also generated 23,225 MWh of geothermal power.

California's Renewable Power Generation Structure
RES TYPE	SHARE IN TOTAL RES GENERATION
Solar	53.72%
Geothermal	19.85%
Wind	8.40%
Biomass	5.10%
Small hydro	4.65%
Solar thermal	4.57%
Biogas	3.71%

Under the California Renewables Portfolio Standard (RPS) plan investor-owned utilities, electric service providers and community choice aggregators in the state have to reach a 33% renewable energy share in total procurement by 2020.

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