Natural Gas Price in Hawaii (2025)
Natural gas in Hawaii costs $5.05 per therm on average for homes ($52.38 per Mcf, 2025) – 241% above the US average and the 51st cheapest of 51 states and DC. The average customer's bill works out to about $94 a month over the year.
Source: EIA annual residential price (2025) and residential use per customer (2024). Latest monthly figure: $6.34/therm in July 2026 (monthly prices swing with the season).
Gas bill in Hawaii by usage
| Monthly use | Hawaii | At US average |
|---|---|---|
| 30 therms (29 ccf) | $151.53 | $44.38 |
| 60 therms (58 ccf) | $303.07 | $88.76 |
| 100 therms (96 ccf) | $505.11 | $147.93 |
| 150 therms (145 ccf) | $757.67 | $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
Hawaii's average residential price rose from $48.88 per Mcf in 2024 to $52.38 in 2025 (+7.2%). Nationally it went from $14.50 to $15.34.
Gas vs electricity in Hawaii
One therm of gas holds the same energy as 29.3 kWh of electricity. At Hawaii's 48.00¢/kWh, that much electricity costs $14.07 versus $5.05 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 Hawaii.
How Hawaii compares
- Massachusetts: $2.42/therm, about $146/month
- Florida: $2.46/therm, about $46/month
- US average: $1.48/therm, about $76/month.
Other Pacific Noncontiguous states: Alaska ($1.25).
Frequently asked questions
How much is natural gas per therm in Hawaii?
Hawaii residential customers paid an average of $5.05 per therm in 2025 ($52.38 per thousand cubic feet), including delivery charges. That is 241% above the US average of $1.48 and ranks 51st cheapest of 51.
What is the average gas bill in Hawaii?
The average Hawaii gas customer used about 21.5 Mcf (223 therms) a year in 2024, which works out to about $94 a month at 2025 prices, averaged over the year. Winter bills are much higher than summer bills.
Has natural gas gone up in Hawaii?
The average price rose from $48.88 per Mcf in 2024 to $52.38 in 2025 (+7.2%).
Is gas or electric heat cheaper in Hawaii?
Per unit of energy, gas at $5.05/therm compares with $14.07 for the same energy from electricity at 48.00¢/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.