San Mateo electricity and gas rates
Who supplies power and gas to San Mateo houses and what a typical house uses: about 374 kWh of electricity and 32 therms of gas a month.
Electricity: PG&E delivery with WestLight Energy generation
WestLight Energy (formerly Peninsula Clean Energy) is the community electricity provider for San Mateo County, and customers are enrolled automatically. WestLight's E-1 rate from July 1, 2026 is $0.07506 per kWh generation, $0.11252 with PG&E surcharges (2016 vintage PCIA and franchise fee). PG&E schedule E-1 total bundled rates are $0.32561 per kWh up to baseline and $0.40702 above, including $0.12855 generation and a Bundled Power Charge Indifference Adjustment of ($0.01011); the Income Tier 3 base services charge is $0.79343 a day. PG&E's tariff puts the part of San Mateo County inside a boundary that begins where the county's northern line meets the Pacific shore, below 1,500 feet, in baseline territory T: 6.5 kWh a day in summer (June 1 through September 30) and 7.5 in winter.
| Charge | Price |
|---|---|
| Fixed charge | $24.13 a month |
| First 217.99 kWhs a month | 31.97¢ |
| Next kWhs above 217.99 a month | 40.11¢ |
Gas: PG&E
PG&E's gas service territory map lists San Mateo (94401, 94402, 94403, 94404, 94497). Schedule G-1 (effective October 1, 2026): $2.42480 per therm baseline and $2.92792 excess, plus the non-CARE residential public purpose surcharge of $0.12103 per therm. The same San Mateo County area below 1,500 feet is gas baseline territory T: 0.56 therms a day in summer (April-October), 1.31 in November, February and March, and 1.68 in December and January.
| Charge | Price |
|---|---|
| Fixed charge | $0.00 a month |
| First 28.41 therms a month | $2.5458 |
| Next therms above 28.41 a month | $3.0490 |
Ways to pay less
- Income-qualified households: PG&E CARE on gas. CARE gives income-qualified customers a 20% discount on their natural gas bill. How: Contact PG&E for an application.
Sources
- westlightenergy.org source
- westlightenergy.org source
- westlightenergy.org source
- westlightenergy.org source
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.