Electricity rates in 94121 — San Francisco, CA
Homes in ZIP 94121 pay about 28.1¢ per kWh (City & County of San Francisco, Jan–Aug 2026). The California average is 29.8¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 28.1¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 94121 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 94121
| Utility | Home price | Avg. bill | Customers in CA |
|---|---|---|---|
| City & County of San Francisco Municipal | 28.1¢ Jan–Aug 2026 | $325 | 2,618 |
| Pacific Gas & Electric Co.. Investor Owned · serves San Francisco County | 36.7¢ Jan–Aug 2026 | $198 | 5,047,461 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for San Francisco County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
California price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the Pacific region, which includes Alaska, California, Hawaii, Oregon, Washington.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions about 94121
How much does electricity cost in 94121?
About 28.1¢ per kWh for homes (City & County of San Francisco, Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $253.
Who is the electric utility for 94121?
City & County of San Francisco, with about 2,618 residential customers in California; 1 other utility also serves parts of the area.
Is electricity in CA getting more expensive?
The California residential average was 29.8¢ per kWh in August 2026, down 3.8% from a year earlier; the U.S. average was 18.2¢.
Can I choose my electricity supplier in CA?
California allows retail electricity choice for many households; the local utility still delivers the power.