Natural Gas Price in Massachusetts (2025)
Natural gas in Massachusetts costs $2.42 per therm on average for homes ($25.06 per Mcf, 2025) – 63% above the US average and the 49th cheapest of 51 states and DC. The average customer's bill works out to about $146 a month over the year.
Source: EIA annual residential price (2025) and residential use per customer (2024). Latest monthly figure: $2.95/therm in July 2026 (monthly prices swing with the season).
Gas bill in Massachusetts by usage
| Monthly use | Massachusetts | At US average |
|---|---|---|
| 30 therms (29 ccf) | $72.50 | $44.38 |
| 60 therms (58 ccf) | $145.00 | $88.76 |
| 100 therms (96 ccf) | $241.66 | $147.93 |
| 150 therms (145 ccf) | $362.49 | $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
Massachusetts's average residential price rose from $21.90 per Mcf in 2024 to $25.06 in 2025 (+14.4%). Nationally it went from $14.50 to $15.34.
Gas vs electricity in Massachusetts
One therm of gas holds the same energy as 29.3 kWh of electricity. At Massachusetts's 30.49¢/kWh, that much electricity costs $8.94 versus $2.42 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 Massachusetts.
How Massachusetts compares
- Rhode Island: $2.09/therm, about $126/month
- California: $2.12/therm, about $67/month
- Florida: $2.46/therm, about $46/month
- Hawaii: $5.05/therm, about $94/month
- US average: $1.48/therm, about $76/month.
Other New England states: Connecticut ($1.62), Vermont ($1.74), New Hampshire ($1.79), Maine ($1.83), Rhode Island ($2.09).
Frequently asked questions
How much is natural gas per therm in Massachusetts?
Massachusetts residential customers paid an average of $2.42 per therm in 2025 ($25.06 per thousand cubic feet), including delivery charges. That is 63% above the US average of $1.48 and ranks 49th cheapest of 51.
What is the average gas bill in Massachusetts?
The average Massachusetts gas customer used about 69.9 Mcf (725 therms) a year in 2024, which works out to about $146 a month at 2025 prices, averaged over the year. Winter bills are much higher than summer bills.
Has natural gas gone up in Massachusetts?
The average price rose from $21.90 per Mcf in 2024 to $25.06 in 2025 (+14.4%).
Is gas or electric heat cheaper in Massachusetts?
Per unit of energy, gas at $2.42/therm compares with $8.94 for the same energy from electricity at 30.49¢/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.