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California in-state electricity generation by source 2001-2020 (ignores imports which made up 32% of demand in 2018, but varies by year) - 2012 is when San Onofre Nuclear Generating Station shutdown; 2017 & 2019 were high rainfall years California electricity production by type showing seasonal variation in generation
California electricity production by type. California produces more renewable energy than any other state in the United States except Texas. [1] In 2018, California ranked first in the nation as a producer of electricity from solar, geothermal, and biomass resources and fourth in the nation in conventional hydroelectric power generation. [2]
Castaic Power Plant, the largest pumped-storage power station in California. Pumped-storage hydroelectricity is important means of large-scale grid energy storage that helps improve the daily capacity factor of California's electricity generation system. This is a list of all operational pumped-storage power stations in California.
The California Legislature created CAISO in 1998 as part of the state restructuring of electricity markets. The legislature was responding to Federal Energy Regulatory Commission (FERC) recommendations following the passage of the federal Energy Policy Act of 1992, which removed barriers to competition in the wholesale generation of electricity business.
The Emissions & Generation Resource Integrated Database (eGRID) is a comprehensive source of data on the environmental characteristics of almost all electric power generated in the United States. eGRID is issued by the U.S. Environmental Protection Agency (EPA).
The American Clean Energy and Security Act reported out of committee in July by the Senate Committee on Energy & Natural Resources includes a Renewable Electricity Standard that calls for 3% of U.S. electrical generation to come from non-hydro renewables by 2011–2013. [9]
The duck curve is a graph of power production over the course of a day that shows the timing imbalance between peak demand and solar power generation. The graph resembles a sitting duck, and thus the term was created. [2] Used in utility-scale electricity generation, the term was coined in 2012 by the California Independent System Operator. [3] [4]
Sources of Electricity Generation California - 2018: Image title: Data from U.S. Energy Information Administration, Electricity Data Browser Chart generated by python program 'PieChart.py'. Width: 342.0px: Height: 376.0px