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Electric Investor Owned Utility Areas
State of California —
Map of the six electric investor owned utility (IOU) areas in California:- Bear Valley Electric Service- Liberty Utilities- PacifiCorp- PG&E: Pacific Gas &... -
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Electric Utility Service Areas
State of California —
Map of the electric utility service areas in California. -
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Electric Load Serving Entities (IOU & POU)
State of California —
Data compiled from California Energy Commission staff from georeferenced electric territory maps and the United States Department of Homeland Security, Homeland... -
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Known Geothermal Resource Areas
State of California —
Map of the known geothermal resource areas from the California Department of Conservation, CalGEM 2002. -
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Natural Gas Utility Service Area, California 2020
State of California —
Map of Natural Gas Utility Service Areas across California -
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Utility Solar Generation by Type and County: 2024
State of California —
Solar electrical generation data is reported for commercial power plants thathave a nameplate capacity of 1 MW or more. San Bernardino and Riversidecounty had solar... -
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Solar PV Capacity for Systems 1 MW and Smaller 2024
State of California —
Solar PV Installations for Systems 1 MW and Smaller: 2024. Energy data andmap are from the California Energy Commission CEC-1304B.Map depicts small solar photovoltaic... -
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Utility Hydroelectric Generation by Size and County: 2022
State of California —
Energy generation data and map are from the California Energy Commission for all power plants that have a nameplate capacity of 1MW or more. Small hydroelectric... -
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Balancing Authority Areas
State of California —
Map of the eight balancing authority areas in California:- BANC: Balancing Authority of Northern California- CalISO: California Independent System Operator- IID:... -
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Utility-Scale Renewable Capacity Totals by County: 2023
State of California —
Power plants with capacity of at least 1 MW are included in totals. Counties shaded in grey have no utility-scale renewable electric capacity. Distributed generation... -
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Utility Wind Project Size by County and State: 2023
State of California —
Dec. 22, 2025; Produced by theCalifornia Energy Commission;Projection: NAD 1983 (2011)Contiguous USA Albers; Data:Energy Information Administration(EIA-860) and the... -
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Solar PV Capacity and Installations for Systems 1MW and Smaller: 2022
State of California —
Energy data and map are from the California Energy Commission CEC-1304B. Map depicts small solar photovoltaic capacity (with nameplate capacity of 1,000 kW or less).... -
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2017 California Electric Utility Service Territories & Balancing Authorities
State of California —
Map of California electric utility service territories and balancing authorities. -
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Utility Natural Gas Capacity and Generation by Jurisdiction and County: 2024
State of California —
Power plant capacity data and map are from the California Energy Commission.The CEC licenses thermal power plants 50 megawatts (MW) and greater andthe infrastructure... -
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Utility Renewable Generation by Type andCounty: 2024
State of California —
Energy data and map are from the California Energy Commission and include utilityscale power plants. Plants of any type below 1 MW (e.g. residential solar) are... -
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Building Climate Zones
State of California —
The numbers used in the climate zone map don't have a title or legend. The California climate zones shown in this map are not the same as what we commonly call... -
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Concentrating Solar Power Prospects, 2020
State of California —
Map of the concentrating solar power prospects for California. Data obtained from the National Renewable Energy Laboratory (NREL) in 2008.NOTE: The direct normal... -
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Utility Solar Generation by Type and County: 2023
State of California —
Solar electrical generation data is reported for commercial power plants thathave a nameplate capacity of 1 MW or more. San Bernardino and Riversidecounty had solar... -
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Utility Natural Gas Capacity and Generation by Type, Heat Rate, and County: 2022
State of California —
Data originates from the California Energy Commission. Map and data are for 2022 and are current as of July 12, 2023.