Propane Prices in Maine (Week of Oct 19, 2026)
Residential propane in Maine averaged $3.71 a gallon for the week of Oct 19, 2026 (+5.3% in two weeks) – 38% above the US average and the 28th lowest of 38 states EIA surveys.
Source: EIA Heating Oil and Propane Update (weekly, excluding taxes). Updated automatically each week from October to March.
Cost to fill a tank in Maine
| Delivery | Gallons | Cost at $3.71/gal |
|---|---|---|
| 20 lb grill cylinder (≈4.7 gal) | 4.7 | $17.43 |
| 100 lb cylinder (≈23.6 gal) | 23.6 | $87.53 |
| 500-gallon tank, 20% → 80% | 300 | $1,112.70 |
| 1,000-gallon tank, 20% → 80% | 600 | $2,225.40 |
Before sales tax, delivery minimums or small-delivery fees, which vary by dealer.
Cheapest way to heat in Maine right now
| Heating system | Cost per million BTU of heat |
|---|---|
| Natural gas furnace (95%) | $19.24 |
| Heat pump (HSPF2 9, COP ≈2.6) | $36.53 |
| Propane furnace (90%) | $45.06 |
| Heating oil furnace (85%) | $51.19 |
| Electric baseboard (COP 1) | $94.99 |
Using Maine's current averages for propane, heating oil, natural gas and electricity (32.41¢/kWh). Prices for natural gas in Maine and electricity in Maine. See also heating oil prices in Maine.
Nearby states
- Massachusetts: $3.66/gal
- New Hampshire: $3.84/gal
- Vermont: $3.88/gal
- Rhode Island: $4.17/gal
- Connecticut: $4.23/gal
Frequently asked questions
What is the price of propane in Maine this week?
$3.71 per gallon on average for homes in the week of Oct 19, 2026, before taxes (EIA survey). That is 38% above the US average of $2.69, and +5.3% since Oct 5, 2026.
How much does it cost to heat with propane in Maine?
At $3.71 a gallon, 500 gallons over a winter costs about $1,855 before tax. Actual use depends on the house, insulation and winter – check your past deliveries and enter them in the calculator.
Is propane cheaper than other heat in Maine?
Per million BTU of heat, propane costs about $45.06 in Maine this week. The cheapest option at current state averages is natural gas furnace (95%) at $19.24.
Source: EIA weekly residential propane prices. Heat comparison uses typical efficiencies and EIA state averages.