Natural Gas Price in California (2025)
Natural gas in California costs $2.12 per therm on average for homes ($22.01 per Mcf, 2025) – 43% above the US average and the 48th cheapest of 51 states and DC. The average customer's bill works out to about $67 a month over the year.
Source: EIA annual residential price (2025) and residential use per customer (2024). Latest monthly figure: $2.06/therm in July 2026 (monthly prices swing with the season).
Gas bill in California by usage
| Monthly use | California | At US average |
|---|---|---|
| 30 therms (29 ccf) | $63.67 | $44.38 |
| 60 therms (58 ccf) | $127.35 | $88.76 |
| 100 therms (96 ccf) | $212.25 | $147.93 |
| 150 therms (145 ccf) | $318.37 | $221.89 |
Average price includes delivery and fixed charges spread over all gas sold. Roughly: 30 therms is a summer month with a gas water heater and stove; 100–150 therms is a cold-climate winter month with gas heat.
Price trend
California's average residential price rose from $19.14 per Mcf in 2024 to $22.01 in 2025 (+15%). Nationally it went from $14.50 to $15.34.
Gas vs electricity in California
One therm of gas holds the same energy as 29.3 kWh of electricity. At California's 33.61¢/kWh, that much electricity costs $9.85 versus $2.12 for the gas. Gas furnaces turn 80–97% of that into heat, while a heat pump delivers 2–3 times the electricity it uses. Run your own numbers with the heat pump vs furnace calculator, and see electricity cost in California.
How California compares
- Georgia: $1.97/therm, about $117/month
- Rhode Island: $2.09/therm, about $126/month
- Massachusetts: $2.42/therm, about $146/month
- Florida: $2.46/therm, about $46/month
- US average: $1.48/therm, about $76/month.
Other Pacific Contiguous states: Oregon ($1.61), Washington ($1.70).
Frequently asked questions
How much is natural gas per therm in California?
California residential customers paid an average of $2.12 per therm in 2025 ($22.01 per thousand cubic feet), including delivery charges. That is 43% above the US average of $1.48 and ranks 48th cheapest of 51.
What is the average gas bill in California?
The average California gas customer used about 36.7 Mcf (381 therms) a year in 2024, which works out to about $67 a month at 2025 prices, averaged over the year. Winter bills are much higher than summer bills.
Has natural gas gone up in California?
The average price rose from $19.14 per Mcf in 2024 to $22.01 in 2025 (+15%).
Is gas or electric heat cheaper in California?
Per unit of energy, gas at $2.12/therm compares with $9.85 for the same energy from electricity at 33.61¢/kWh. A heat pump delivers 2–3 units of heat per unit of electricity, so it can still beat gas – compare with your numbers in the heat pump vs furnace calculator.
Sources: EIA natural gas prices; EIA residential deliveries; EIA number of consumers.