Electricity in San Diego County, California
4 electric utilities serve homes in San Diego County, California: PG&E, Southern California Edison, SDG&E and Imperial Irrigation District. In 2025, the average home bill of these utilities was $149.07 (Southern California Edison) to $202.30 (Imperial Irrigation District) a month. This page covers 14 cities with 25,000 or more people in the county, from Chula Vista to Imperial Beach.
- 14 cities
- 4 utilities
- EIA and Census data, 2025
Electric utilities in San Diego County
EIA lists utilities by county, not by address. Your address has one utility: its name is on your bill, or type your ZIP code in the utility finder.
| Utility | Homes in California | Average bill 2025 | 1,000 kWh now |
|---|---|---|---|
| PG&EInvestor-owned utility · bill calculator | 5,055,556 | $173.95464 kWh, 37.5¢ | $407.13 |
| Southern California EdisonInvestor-owned utility · bill calculator | 4,627,247 | $149.07474 kWh, 31.5¢ | $365.19 |
| SDG&EInvestor-owned utility · bill calculator | 1,378,465 | $167.87367 kWh, 45.8¢ | $504.80 |
| Imperial Irrigation DistrictPublic power district | 142,916 | $202.301,083 kWh, 18.7¢ | — |
1 smaller utility with fewer than 1,000 homes is also listed in the county. The average bill is the 2025 average of each utility's homes that bought their power from it (EIA-861). The California average was $154.73 a month.
Cities in San Diego County
| City | People | City-owned utility | Solar kWh a year per kW |
|---|---|---|---|
| Chula Vista | 275,533 | — | 1,728 |
| Oceanside | 170,483 | — | 1,698 |
| Escondido | 146,030 | — | 1,686 |
| Carlsbad | 112,260 | — | 1,669 |
| El Cajon | 101,755 | — | 1,723 |
| Vista | 98,274 | — | 1,664 |
| San Marcos | 94,908 | — | 1,679 |
| Encinitas | 60,736 | — | 1,674 |
| La Mesa | 59,914 | — | 1,698 |
| Santee | 58,205 | — | 1,712 |
| National City | 57,807 | — | 1,698 |
| Poway | 49,180 | — | 1,686 |
| Lemon Grove | 27,936 | — | 1,719 |
| Imperial Beach | 25,206 | — | 1,711 |
A city-owned utility is a municipal utility in the county with the city's name (EIA data). Solar output: PVWatts version 8 for a south-facing roof; see the solar savings calculator.
More about California: California electric rates, all California utilities, home energy rebates and natural gas bills.
Who provides electricity in San Diego County?
4 electric utilities serve homes in San Diego County, California: PG&E, Southern California Edison, SDG&E and Imperial Irrigation District. The name of your utility is on your bill.
Which cities in San Diego County are on this page?
Chula Vista, Oceanside, Escondido, Carlsbad, El Cajon, Vista, San Marcos, Encinitas, La Mesa, Santee, National City, Poway, Lemon Grove and Imperial Beach.
Sources: EIA-861 data, 2025 (utilities by county, homes and average bills); Census Bureau city population estimates, Vintage 2025; PVWatts (National Laboratory of the Rockies).