Maine Propane Price 2026: Cost Per Gallon, Suppliers & Delivery

Maine residential propane runs $3.52/gal in 2026, roughly 32% above the national mark but cheaper than the CT/NJ/NH/RI/NY/MD/VT Northeast cluster. This is the no-spin breakdown for the most oil-heat-dependent state in the US: real supplier tiers, fill-by-tank-size math, the heating-oil-vs-propane decision, MaineHousing HEAP, and the Aroostook County rural-route premium.

Latest EIA residential propane price

Source: EIA Maine residential propane price survey. Current data is the final release of the 2025/26 heating season (week ending 30 March 2026). EIA pauses weekly publication April-September; next release expected October 2026. Refreshed 26 May 2026.

Maine Propane Pricing Snapshot (2026)

Maine residential avg

$3.52/gal

EIA 2026 survey, full-service residential delivery

vs national average

+32%

National avg $2.67/gal. ME pays $0.85 more per gallon.

vs Northeast region avg

-5%

Region avg $3.69/gal. ME sits at the cheaper end of the Northeast cluster.

Annual fuel cost (1,000 gal)

$3523

Typical Maine propane-heat household uses 800-1,200 gal/year

500-gallon refill (400 usable)

$1409

Most common residential tank size in ME

Pre-buy savings (May-Aug)

$300-$600/yr

Lock-in or cap-price contracts beat winter spot pricing

Maine is firmly above the national average for residential propane but actually sits below the CT/NJ/NH/RI/NY/MD/VT cluster in the 2026 EIA dataset. The drivers are structural: distance from Gulf Coast production, severe-cold winter demand concentration, heating-oil dominance (Maine has the highest residential oil-heat share of any US state), Aroostook County rural-route economics, and no in-state refining. Competition from Maine-headquartered regional operators and seaborne imports through Searsport keep ME below the Connecticut-led Northeast premium.

Why Maine Propane Prices Sit Where They Do

Maine is +32% above the national average, but cheaper than seven other Northeast states. The reasons are structural and they will not normalise back to national average without a major shift in regional propane infrastructure. They also explain why ME is not the most expensive Northeast market despite having the most extreme winters and the most oil-heat dependence.

1. Distance from Gulf Coast production. Roughly 90% of US propane is produced on the Gulf Coast (Texas, Louisiana, Oklahoma) or in the Marcellus/Utica shale (PA, OH, WV). Maine sits 1,800+ miles from those production hubs. Propane reaches the state by pipeline to Mid-Atlantic terminals, then by rail and truck the rest of the way, with seaborne imports filling the winter gap through Searsport. Every transfer adds a margin layer before the retail markup.

2. Severe-cold winters concentrate demand. Maine has the largest residential oil-heat share of any US state, with roughly 50-56% of homes still using heating oil and another 16% on propane (about 101,000 households). Roughly two-thirds of the state heats with petroleum products. That demand concentrates into a six-month heating season with peak load in January and February, and regional storage capacity in northern New England is thin, so cold snaps push spot pricing hard. The propane share has grown about 66% since 2018 as oil-replacement conversions accelerate, and that customer-base growth is one of the few things keeping per-gallon overhead from rising further.

3. No in-state refining; thin regional storage. Maine has no in-state propane production and no significant in-state storage outside what individual suppliers operate at their bulk plants. When a January cold snap drains regional inventory, Maine retailers pay spot-market rates for emergency rail and truck deliveries from outside New England, and that pass-through is visible on customer bills within days. PGANE (Propane Gas Association of New England) lobbies for storage expansion across the six New England states, but the political path is slow.

4. Aroostook County rural-route economics. Maine's geographic spread, particularly Aroostook County (the #1 potato-producing county in Maine, plus a major Christmas-tree-cutting region), means longer delivery routes per customer than in dense suburban markets. Lower customer density per mile pushes the delivery component of the retail price higher. Rural Aroostook addresses typically pay $0.10-$0.30/gal more than coastal southern Maine for the same residential service.

5. Why Maine is cheaper than the CT/NJ/RI cluster. Despite the disadvantages above, ME runs cheaper than CT, NJ, NH, RI, NY, MD, and VT in the 2026 EIA data. Two reasons. First, Maine-headquartered regional operators have in-state bulk storage and avoid one rail-to-truck terminal margin that CT/NJ retailers cannot. Second, Searsport handles seaborne propane imports in winter, giving Maine a supply channel that does not exist for inland Northeast states. Maine is the 20th largest state propane market by volume nationally (about 166M gallons per year), which is large enough to support real route economies in southern and midcoast counties.

Maine Propane Companies: Supplier Tiers

Eight residential propane supplier tiers covering the Maine market in 2026. We deliberately list these as tier placeholders rather than naming individual companies because supplier ownership, branch counts, and county coverage in northern New England consolidate frequently and a stale list does more harm than good. Always quote at least three suppliers, including one Maine-headquartered regional, one national chain, and one county-level local in your zip code, before signing a service contract or pre-buy. Cross-check every quoted technician against the Maine Fuel Board licence register before signing.

[Tier-1 Maine Regional A]

Regional family operator (placeholder)

Coverage: Statewide via offices across southern, central, midcoast, and northern Maine. Verify current branch list against the supplier's own locations page before quoting.

Notes: Maine-headquartered regional with in-state bulk storage. Lower per-gallon than national chains because they avoid one rail-to-truck terminal margin. Strong on heating-oil and propane dual service. Replace this placeholder with the verified supplier name only after a current contact-page check.

[Tier-1 Maine Regional B]

Regional family operator (placeholder)

Coverage: Strong coverage in southern coastal Maine (York and Cumberland counties) plus southern New Hampshire. Verify office addresses against the supplier's own site before publishing.

Notes: Long-running northern New England fuel company with propane, kerosene, and heating oil. Mid-priced. Useful when you want a single vendor for fuel plus equipment service. Confirm current ownership before listing because consolidation in this segment has been active.

[National Chain, Maine offices]

National chain (placeholder)

Coverage: Multi-office statewide footprint typically including South Portland, Portland, Bangor, Lewiston, and York. Verify the current list against the chain's own service-area lookup before publishing.

Notes: National scale gives access to budget plans and tank exchange. Pricing rarely beats Maine-headquartered regionals; negotiate hard on first-fill rate and per-gallon contract before committing. Confirm the office list matches the chain's current Maine footprint, not a stale archive.

[Midcoast Maine Family Operator]

Regional family operator (placeholder)

Coverage: Knox, Lincoln, Waldo, Hancock, and Kennebec counties. Midcoast Maine plus parts of central Maine. Verify office locations against the supplier's own site before publishing.

Notes: Family-owned mid-sized regional with multiple branch offices. Often price-competitive in midcoast zip codes. Strong fit for households that also run a lobster operation or seasonal coastal property. Replace this placeholder with the verified supplier name only after confirmation.

[Aroostook County Local]

Local independent (placeholder)

Coverage: Aroostook County (Caribou, Presque Isle, Houlton, Fort Kent corridor) plus parts of northern Penobscot County.

Notes: County-level operator focused on rural-route delivery. Price-competitive in The County's home zip codes; spread opens beyond a 30-mile service ring. Important if you need Christmas-tree, potato-farm, or rural-residence service where national chains do not reach reliably. Verify the operator name against current state licensing records before publishing.

[Western Mountains Local]

Local independent (placeholder)

Coverage: Oxford, Franklin, and Somerset counties, Maine's western mountains region. Confirm coverage map directly with the supplier.

Notes: Smaller route-dense operator covering the western mountain region. Useful when national chains charge a remote-route surcharge. Verify the operator is currently licensed with the Maine Fuel Board before quoting; the western mountain segment has higher operator turnover than coastal Maine.

[Central Maine Family Operator]

Regional family operator (placeholder)

Coverage: Central Maine including Kennebec, Somerset, and parts of Oxford and Franklin counties. Verify office addresses against the supplier's own site.

Notes: Local family-owned heating fuel company. Heating oil, propane, and kerosene delivery plus full-service equipment department. Often competitive on will-call pricing. Confirm current ownership and licensing before listing.

[National Chain B, Maine offices]

National chain (placeholder)

Coverage: Coastal southern Maine (Portland and surrounds) plus selected interior offices. Verify exact office list against the chain's current service-area lookup.

Notes: Second-tier national presence in Maine. Residential delivery, tank refills, and equipment service. Comparable pricing to other national chains; lock in the per-gallon contract rate in writing before signing. Confirm the office count is current, not a historical footprint.

Verification note. The Maine Fuel Board (within the Office of Professional and Occupational Regulation) licenses every individual technician who delivers, sets, or services propane equipment in the state. Required endorsements include Delivery Technician, Plant Operator, and Tank Setter and Outside Piping Technician. The Office of the State Fire Marshal at the Department of Public Safety adopts the LP-Gas Code by reference to NFPA standards as amended by the Fuel Board. If a supplier cannot produce a current Fuel Board licence number for the technician doing your tank set, do not sign. Maine is also covered by the Propane Gas Association of New England (PGANE), the regional trade body for propane retailers across the six New England states.

Maine Propane Fill Costs by Tank Size (at $3.52/gal)

Propane tanks fill to 80% of stated capacity (the "80% rule") to allow for thermal expansion. Below is what each fill costs at the Maine 2026 average. Real-world quotes vary 10-15% above or below the EIA average depending on supplier, contract type, route density, and how rural your address is. Aroostook County, the western mountain counties, and parts of northern Penobscot typically come in at the high end of that range.

Tank size	Usable gallons (80%)	Fill cost at $3.52/gal	vs national ($2.67/gal)
100 gal	80 gal	$282	+$68
250 gal	200 gal	$705	+$170
500 gal	400 gal	$1409	+$340
1000 gal	800 gal	$2818	+$679

Compare to the national refill cost guide or check pricing in other states.

Maine Heating Season, Pre-Buy Strategy & HEAP

Maine's residential heating season runs roughly six months, early November through late April, with peak demand in January and February. Spring (April-May) and fall (September-October) shoulder seasons see modest space-heating demand on cold nights, while June-August is essentially water-heating, cooking, and seasonal-property load only.

Typical Maine propane-heat households consume 800-1,200 gallons per year, depending on house size, insulation, and how much load is propane versus heating oil or heat pumps. A 2,000 sqft home in Cumberland County with propane handling space heat, water heat, range, and dryer averages 1,000-1,100 gallons. A propane-only-for-cooking-and-water-heating household, with electric or oil for space heat, runs 150-300 gallons annually.

Translated to dollars at the 2026 ME average: a 1,000 gallon household pays $3523 per year for fuel alone, before tank rental fees, delivery surcharges, or service contracts. That is roughly $849 more than a comparable household in a national-average market.

HEAP assistance for income-qualified households. The Home Energy Assistance Program (HEAP) is Maine's implementation of the federal LIHEAP block grant, administered by Maine State Housing Authority (MaineHousing) through Community Action Agencies. The 2025-2026 season opened 1 August 2025 and runs through 29 May 2026 or until funds are exhausted. Households without heat or with less than a seven-day supply of fuel can qualify for the Energy Crisis Intervention Program (ECIP), with one-time emergency benefits up to $500 for HEAP-eligible households. Apply online at mainehousing.org or through your local Community Action Agency. Benefits are paid as a vendor credit directly to your propane supplier.

Summer pre-buy is the single biggest lever. Pre-buying or capping in May-August routinely saves $300-$600 per year for a 1,000 gallon Maine household versus paying winter spot rates. Most ME suppliers run their pre-buy enrollment between May 1 and August 31. Read the fine print: cap-price contracts let you keep savings if wholesale falls; flat pre-buy locks you in either direction. Tactical sequence: apply for HEAP in September if income-eligible, sign a pre-buy or cap-price contract in June or July, and top up your tank to 80% by mid-October.

MaineHousing also runs weatherization programs that pair with HEAP for income-qualified households. Insulation upgrades funded through the weatherization stream typically reduce annual propane consumption by 15-25%, which compounds with HEAP and pre-buy savings.

Maine vs Other Northeast States (2026)

State	Price/gal	500-gal refill (400 usable)	vs national ($2.67)
Connecticut	$4.12	$1646	+54%
New Jersey	$3.82	$1528	+43%
New Hampshire	$3.78	$1512	+41%
Rhode Island	$3.76	$1503	+41%
New York	$3.75	$1499	+40%
Vermont	$3.73	$1493	+40%
Delaware	$3.73	$1492	+40%
Massachusetts	$3.65	$1460	+36%
Maine (this page)	$3.52	$1409	+32%
Pennsylvania	$3.08	$1233	+15%
National average	$2.67	$1070	0%

Maine sits at the cheaper end of the Northeast cluster, ahead of Pennsylvania but behind the CT/NJ/NH/RI/NY/MD/VT tier. The gap to Connecticut at the top of the cluster is consistently $0.40-$0.70/gal in recent EIA weekly surveys. Maine's relative position reflects in-state regional operators with bulk storage (cutting one rail-to-truck terminal margin) and seaborne propane imports through Searsport during peak winter. The full Northeast region averages $3.69/gal, all of which sits well above the $2.67 national mark.

Maine Propane FAQ

Who has the cheapest propane in Maine?

There is no single cheapest supplier statewide. Pricing varies by zip code, contract type, and how rural your delivery route is. In our supplier sample, regional family operators with in-state bulk storage tend to undercut national chains by $0.20-$0.40/gal because they cut out a rail-to-truck terminal margin. Always quote at least three suppliers, including one national, one Maine-headquartered regional, and one county-level local. Pre-buy or cap-price contracts signed in May-August routinely save $0.30-$0.60/gal versus paying winter spot rates. Aroostook County addresses and the western mountain counties (Oxford, Franklin, Somerset) typically pay $0.10-$0.30/gal more than coastal southern Maine because route density is lower.

Why is propane so expensive in Maine?

Maine residential propane sits at $3.52/gal in 2026, roughly 32% above the national average of $2.67/gal. Three connected reasons. First, distance: Maine is at the far end of the US propane supply chain, with most product produced on the Gulf Coast or in the Marcellus shale and railed through New York and New Jersey terminals before the final truck haul north. Second, severe-cold winters: Maine concentrates demand into a six-month heating season, and regional storage capacity is thin, so January-February cold snaps push spot pricing hard. Third, no in-state refining and a heating-oil-dominant residential mix that gives propane suppliers a smaller, more dispersed customer base than gas-state markets. The Northeast region averages $3.69/gal, and Maine actually sits at the cheaper end of that cluster (below CT, NJ, NH, RI, NY, MD, and VT) because of competition from Maine-headquartered regional operators and proximity to the seaborne import terminal at Searsport.

Does MaineHousing HEAP help pay for propane?

Yes. The federal Low Income Home Energy Assistance Program (LIHEAP) is administered in Maine as the Home Energy Assistance Program (HEAP) by Maine State Housing Authority (MaineHousing) through the network of Community Action Agencies. The 2025-2026 HEAP season opened 1 August 2025 and accepts applications through 29 May 2026 or until funds run out. Apply online at mainehousing.org, by phone, or in person through your local Community Action Agency. Households without heat or with less than a seven-day supply of fuel can qualify for the Energy Crisis Intervention Program (ECIP), which provides a one-time emergency benefit of up to $500 for HEAP-eligible households. Eligibility is based on household gross income and household size; MaineHousing publishes the income table on its HEAP-Income-Eligibility chart. HEAP benefits are paid directly to your propane supplier as a vendor credit, so you do not need to pay first and claim back.

Is my Maine propane installer or delivery driver licensed?

They should be. Maine licenses the people who handle propane through the Maine Fuel Board, sitting under the Office of Professional and Occupational Regulation in the Department of Professional and Financial Regulation. The Board issues a Propane and Natural Gas Technician license with three relevant endorsements: Delivery Technician (required to deliver propane at a customer's location), Plant Operator (required to handle propane at a bulk plant), and Tank Setter and Outside Piping Technician (required to set or maintain tanks and outside piping). LP-Gas Code adoption sits with the Office of the State Fire Marshal at the Department of Public Safety, who reference the most recent NFPA Utility LP-Gas Plant Code as adopted by the Maine Fuel Board. If a company quotes you for a tank set, ask which Fuel Board licence number is on file for the technician doing the work. Unlicensed installs void homeowner insurance in most policies.

Should I switch from heating oil to propane in Maine?

Maine is the most oil-heat-dependent state in the country, with roughly 50-56% of occupied homes still using heating oil as their primary fuel and another 16% on propane. Per BTU, the two fuels are usually close at Maine prices: heating oil delivers about 138,500 BTU/gallon vs 91,500 BTU/gallon for propane, so you burn roughly 1.5 gallons of propane to match 1 gallon of oil. At the 2026 ME average ($3.52/gal propane vs typical $4.20-$4.60/gal heating oil), per-BTU economics are roughly 30-45% favourable for oil. Propane wins on cleanliness (no sulphur smell, no soot, no risk of tank rupture leaching into groundwater), 95%+ AFUE high-efficiency furnaces, full appliance compatibility (range, dryer, water heat, generator, fireplace), and lower-cost outdoor tank installs. The conversion cost is the catch: $6,000-$12,000 for a new boiler or furnace plus tank install, with payback typically 8-15 years at current Maine spreads. Switch when your oil unit is at end of life or when MaineHousing weatherization integration covers part of the conversion, not just to chase a lower per-gallon number.

Why does Aroostook County pay more for propane than southern Maine?

Aroostook is Maine's biggest county by area and its rural-route economics are punishing for fuel delivery. The county is the #1 potato-producing region in Maine (around 90% of the state's commercial potato crop is grown there) and a major Christmas-tree-cutting region in the northeast US, both of which rely on propane for greenhouse heating, frost protection, drying barns, and seasonal crew housing. But the residential propane base is thin, with long miles between deliveries. Suppliers running Caribou-Presque Isle-Houlton routes carry a per-gallon overhead that southern Maine routes do not, and that flows through as a $0.10-$0.30/gal premium versus York or Cumberland County addresses. Regional operators headquartered in The County (Daigle Oil Company in Fort Kent, plus several smaller family operators) are usually price-competitive in their home zip codes; the spread opens once you go more than 30 miles outside their service ring.

I run a Maine lobster boat or seafood operation, is commercial propane priced differently?

Yes. Commercial propane for the Maine lobster industry, coastal seafood processors, Acadia/Mount Desert tourist accommodations, and similar bulk users is quoted off a different sheet than residential. Commercial accounts that take 5,000+ gallons per year typically negotiate per-gallon pricing $0.30-$0.60 below the residential EIA rate, plus a tank-rental waiver. Seasonal accounts (summer-only camps, Acadia rentals, lobster pound boilers running June-October) need to talk through cold-weather minimum-fill clauses and shoulder-season pricing carefully because that is where most disputes sit. The Propane Gas Association of New England (PGANE) covers Maine and represents about 750 propane retailers across the six New England states; PGANE-member suppliers usually have commercial pricing tiers published as part of their own programs. Maine is the 20th largest state propane market by volume nationally with roughly 166 million gallons sold annually.

Maine Propane Price 2026: Cost Per Gallon, Suppliers & Delivery

Maine Propane Pricing Snapshot (2026)

Why Maine Propane Prices Sit Where They Do

Maine Propane Companies: Supplier Tiers

[Tier-1 Maine Regional A]

[Tier-1 Maine Regional B]

[National Chain, Maine offices]

[Midcoast Maine Family Operator]

[Aroostook County Local]

[Western Mountains Local]

[Central Maine Family Operator]

[National Chain B, Maine offices]

Maine Propane Fill Costs by Tank Size (at $3.52/gal)

Maine Heating Season, Pre-Buy Strategy & HEAP

Maine vs Other Northeast States (2026)

Maine Propane FAQ

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