Welcome to the  California Energy Almanac

California Electricity Sector Overview

Electric Utility Companies

California is served by about 81 load-serving entities (LSEs). These are broken down as:

  • Investor-Owned Utilities - 6
  • Electricity Service Providers - 22
  • Publicly Owned Utilites - 46
  • Rural Electricity Cooperatives - 4
  • Community Choice Aggregators - 3

A list of the utilities and LSEs in California is online at: http://energyalmanac.ca.gov/electricity/utilities.html


The five largest utilities and total electricity consumption (in 2013) are:

  1. Southern California Edison Company (SCE) - 84,448 million kliowatt-hours
  2. Pacific Gas and Electric Company (PG&E) - 86,513 million kliowatt-hours
  3. Los Angeles Department of Water and Power (LADWP) - 22,859 million kilowatt-hours
  4. San Diego Gas & Electric (SDG&E) - 19,762 million kliowatt-hours
  5. Sacramento Municipal Utility District (SMUD) - 10,467 million kliowatt-hours

California's investor-owned electric utilities send power through roughly 200,000 miles of overhead transmission and distribution lines and an additional 70,000 miles of underground lines. For a map of the major transmission lines, please see the On-Line Energy Maps page.


Power Plants

In 2014, California produced about 68 percent of its electricity from power plants located within our state and from plants that are outside of the state but owned by California utilities. The total electricity imported from the Pacific Northwest and Pacific Southwest, not counting California-owned plants, was 94,360 gigawatt-hours.

The installed capacity of the 1,051 in-state power plants (greater than 0.1 megwatts - MW) totals 86,883 MW. These plants produced 198,908 gigawatt-hours of electricity in 2014.

For additional information on power plants, please see the Power Plants section on the Energy Almanac.

For additional information on electricity, please see the main Electricity Section on the Energy Almanac.