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EIA residential propane, Connecticut

Connecticut propane prices: $4.12 a gallon

Latest EIA residential survey, week ending 30 March 2026, the final release of the 2025-26 heating season. Weekly updates resume in October; the wholesale benchmark below is live.

The end of the propane pipeline, in a state that heats mostly on oil. Cities sit on the natural-gas grid, which leaves propane a suburban and hill-town fuel served on thin routes through a cold five-month season.
Latest EIA residential propane price

Source: EIA State Heating Oil and Propane Program, Connecticut residential series. Refreshed automatically every Tuesday in season; wholesale daily.

Connecticut at a glance
Latest survey$4.12/gal
vs week before+2.9c
vs 4 weeks before+15.6c
vs same week last yearlevel
vs US ($2.67)54% above
Among 38 surveyed states37th cheapest
500-gal fill (400 usable)$1646
Week by week, 2025-26 season

Connecticut against the US average

Every point is an EIA survey week. This season Connecticut ran from a low of $3.69 (20 Oct) to a high of $4.12 (30 Mar), with the US average finishing at $2.67. Against the same week a year earlier it is level.

$2.50$3.00$3.50$4.006 Oct10 Nov15 Dec19 Jan23 Feb30 Mar$4.12ConnecticutUS average
$3.69
Season low
20 October 2025
$4.12
Season high
30 March 2026
$4.13
Same week last year
31 March 2025, now level
$0.85
Wholesale today
Mont Belvieu spot, 15 September 2026, +17c vs a month ago

Source: EIA State Heating Oil and Propane Program, residential propane, full-service delivery, published October to March. Wholesale is the Mont Belvieu, TX spot price; retail usually follows it by four to eight weeks, which makes it the best off-season signal of where Connecticut prices are heading.

What a fill costs in Connecticut at $4.12

Tanks fill to 80% of their stated size to leave room for expansion, so a 500-gallon tank takes about 400 gallons. The right-hand column is the difference against the same fill at the US average.

TankUsable gallonsFill at $4.12vs US ($2.67)
100 gal80 gal$329+$115
250 gal200 gal$823+$288
500 gal400 gal$1646+$577
1000 gal800 gal$3293+$1154

A Connecticut home heating on propane through a typical winter burns 1,000 to 1,500 gallons, so fuel alone runs about $4116 to $6174 at this price, before tank rent or a service plan. The average is a benchmark, not a quote: enter your ZIP to ask up to three local dealers what they would charge you.

Connecticut against its Northeast neighbours

The whole Northeast sits well above the national average, all of it fed by the same end-of-pipeline supply. In the latest EIA reading Connecticut prints the highest state figure in the region, ahead of the New England and Mid-Atlantic states around it. Pennsylvania runs cheapest of the group, closer to Marcellus and Utica supply.
StatePrice/gal500-gal fillvs US ($2.67)
Pennsylvania$3.08$1233+15%
Maine$3.52$1409+32%
Massachusetts$3.65$1460+36%
Delaware$3.73$1492+40%
Vermont$3.73$1493+40%
New York$3.75$1499+40%
Rhode Island$3.76$1503+41%
New Hampshire$3.78$1512+41%
New Jersey$3.82$1528+43%
Connecticut$4.12$1646+54%
Northeast average$3.69$1476+38%

States marked regional est. are not surveyed individually by EIA and carry their PADD regional figure. Full table on prices by state.

Why Connecticut runs 54% over the national average

Connecticut runs a cold five-month heating season and sits at the very top of the regional price table. The reasons are structural rather than seasonal: pipeline geography, a heating-oil-first fuel mix, and a natural-gas grid that pushes propane out to the suburbs and hill towns.
End of the pipeline.
New England has no propane production and sits farthest from Gulf Coast and Appalachian supply. Product moves by rail and pipeline into terminals in New York, New Jersey and Pennsylvania, then transfers to bobtail trucks for the last-mile run into Connecticut. Every handoff is a margin layer that interior producing states never pay.
Heating-oil country.
Connecticut has one of the highest home-heating-oil shares in the country, which leaves propane a smaller, more dispersed customer base. Fewer propane homes per route means thinner delivery density, smaller per-supplier volumes, and weaker economies of scale, all of which lift per-gallon overhead.
Cities on the gas grid.
Hartford, New Haven, Bridgeport and Stamford are served by natural gas, so propane is largely a suburban and rural fuel. The customers who do use it are spread across Litchfield, Windham and the shoreline back-country, which stretches routes and thins the competitive pressure that holds prices down in denser markets.
Sparse rural competition.
Along the I-91 and I-95 corridors several suppliers compete on price. In the northwest hill towns and parts of eastern Connecticut only a few active propane routes reach a given address, so retailers hold margin. That is also where owning your tank and quoting all three supplier tiers pays off most.

Four moves that cut a Connecticut propane bill

A registered dealer is the starting point. In a high-cost market the gap between a careless account and a well-run one is a few hundred dollars a winter, and this is where it is won.
01

Confirm the DCP registration

Any company delivering propane to homes must register as a Home Heating Fuel Dealer with the Department of Consumer Protection and carry an HOD number. Connecticut issues no separate propane-dealer licence, so check the DCP registry first, then ask for proof of liability insurance. Storage and handling sit under the state Fire Safety Code enforced by the State Fire Marshal.
02

Lock summer, not autumn

Wholesale bottoms out from June through August. Most Connecticut suppliers run pre-buy or budget-lock enrolment across May to August, and locking summer gallons rather than paying the January spot rate has saved roughly $300 to $500 a year for a 1,000-gallon home. Favour a cap-price contract, which keeps the savings if winter wholesale falls, and ask whether unused gallons roll forward.
03

Quote all three supplier tiers

Connecticut has a real three-tier market: national carriers, regional family fuel dealers with in-state storage, and local independents in the hills and the east. Pull one written quote from each tier. If you own your tank, say so up front, because it removes the switching penalty that leased-tank customers face.
04

Check CEAP eligibility

The Connecticut Energy Assistance Program, run by DSS through the Community Action Agencies, pays a winter heating benefit toward propane for households at or below 60% of State Median Income. For 2025-2026, basic benefits run $295 to $595, or $345 to $645 with a vulnerable household member, plus crisis and deliverable-fuel help. Apply by dialing 211, through your Community Action Agency, or at portal.ct.gov/heatinghelp. The 2025-2026 deadline is 29 May 2026.
Rated by customers

Connecticut propane dealers worth calling first

A short, hand-checked list with strong public review scores, spread across the state. Ratings were read from the platforms named in August 2026 and move over time; a high score is where to start, not a guarantee. Get three written quotes whoever you call.

Hartford / Central CT

Connecticut Propane & Petroleum

Marlborough, Connecticut
5.0public reviews, Angi

Family operator started in 2011 by three brothers out of an HVAC business, now full-service propane and heating. Consistently one of the better-reviewed independents in central Connecticut, and carries an 80% recommend rate on Facebook alongside the Angi score.

See the reviews ›
New Haven County / shoreline

East River Energy

Guilford, Connecticut
4.7public reviews, Angi

Locally owned since 1984 with about 250,000 gallons of in-state propane storage, and BBB A+ accredited. Covers the New Haven shoreline and much of the state for oil and propane.

See the reviews ›
Fairfield County / Western CT

Hocon Gas

Danbury, Connecticut
4.5167 reviews, Birdeye

One of the oldest family-owned fuel companies in Connecticut, founded 1952, with service centers across western and coastal CT. Scores run high on Birdeye and lower on some other platforms, so read a spread before you sign.

See the reviews ›
Litchfield Hills / Northwest CT

Lindell Fuels

Canaan, Connecticut
4.0public reviews, Angi

Small family operator covering the northwest hill towns from Salisbury to Colebrook. A modest but positive review base, and often one of the only propane routes that far into the corner.

See the reviews ›
Eastern CT / Groton area

Spicer Advanced Gas

Groton, Connecticut
3.5126 reviews, Birdeye

Long-established eastern-CT operator, in business since 1915, offering propane supply and installation. A middling aggregate score against a long track record, listed here so eastern Connecticut is represented honestly.

See the reviews ›
Verified on the state registry

8 of the 114 Connecticut dealers on the DCP register

Browse all 114 →
DealerCityPhone
A-1 Propane LLCManchesterlisting
Ace Energy LLCBroad Brooklisting
Admiral Propane Services LLCWillingtonlisting
Air Solutions Propane LLCStamfordlisting
All Gas & Equipment CoHartfordlisting
Alpine Heating & CoolingNorth Havenlisting
Amerigas Propane LPKing Of Prussialisting
Amodio & Sons Fuel Oil Inc.West Havenlisting

Source: Connecticut DCP Home Heating Fuel Dealer registry, captured 6 September 2026 (source document). A registry listing is a licence record, not an endorsement. Confirm a current HOD registration on the DCP Home Heating Fuel Dealer registry.

Connecticut propane, the questions people ask

Where do the dealers in your directory come from?
Every company listed here is drawn from the Connecticut Department of Consumer Protection (DCP) Home Heating Fuel Dealer registry, the state's public record of businesses registered to deliver propane and other heating fuels. Connecticut publishes it as open data, and we captured the propane-registered subset on 6 September 2026. The HOD number beside each dealer is its DCP registration identifier. Registration is a licensing record, not an endorsement, and current registrations run through 30 September 2027, so still confirm a company's standing and insurance and get written quotes before you sign. A handful of registered dealers are headquartered just over the line in New York, Rhode Island or Massachusetts but registered to serve Connecticut addresses.
How do I check that a Connecticut propane company is properly registered?
Connecticut does not issue a standalone propane-dealer license. A business that delivers propane to homes must register as a Home Heating Fuel Dealer with the Department of Consumer Protection, and each registration carries an HOD number. Verify a company against the DCP registry (the same open-data list this directory is built from) before you commit. Separately, the trades that install and service propane systems are licensed by DCP, and LP-gas storage and handling fall under the Connecticut Fire Safety Code, enforced by the State Fire Marshal and local fire marshals under NFPA 58. Because there is no single public scorecard for propane dealers, treat DCP registration as the floor, then compare quotes and ask for proof of liability insurance.
Am I eligible for the Connecticut Energy Assistance Program (CEAP)?
CEAP is Connecticut's federally funded winter heating-assistance program, run by the Department of Social Services (DSS) through the state's network of Community Action Agencies. Households at or below 60% of the State Median Income can qualify, and any household where a member receives Temporary Family Assistance, SNAP, or SSI is automatically income-eligible. For the 2025-2026 season, basic benefits run from $295 to $595, or $345 to $645 when a household member is under 6, age 60 or older, or has a disability, with crisis and additional deliverable-fuel help for propane, oil, and kerosene households. Online applications opened on 1 September 2025 and the last day to apply is 29 May 2026. Apply by dialing 211, at your local Community Action Agency, or through portal.ct.gov/heatinghelp, and apply early because deliverable-fuel deliveries slow down at the January and February peak.
Why is Connecticut propane the most expensive in the Northeast?
In the latest EIA reading Connecticut's residential average is $4.12 a gallon, the highest state figure in the Northeast region and about 54% above the $2.67 national average. The drivers are structural. New England is the end of the propane pipeline, with no in-state production and the longest haul from Gulf Coast and Appalachian supply, so propane arrives by rail and truck through New York, New Jersey, and Pennsylvania terminals before the last-mile bobtail run. Connecticut also heats heavily with oil, which leaves propane a minority fuel served on thinner routes, and its cities sit on the natural-gas grid, so propane is largely a suburban and rural fuel with dispersed customers. Add a high-cost energy region and a cold five-month winter and the per-gallon number stays near the top of the national table.
Should I switch from heating oil to propane in Connecticut?
Heating oil dominates Connecticut's residential market, and for many oil-heated homes a switch is not economic on fuel cost alone. A gallon of propane carries about 91,500 BTU against roughly 138,500 for heating oil, so you burn about 1.5 gallons of propane to match one gallon of oil, and propane's lower per-gallon price does not fully close that gap. Propane still wins on cleanliness, on running a gas range, dryer, or standby generator, and on freeing up an indoor tank, but a full conversion of the boiler or furnace plus a tank install is a multi-thousand-dollar project that takes years to pay back at current spreads. The switch makes sense mainly when your oil system is already at end of life or you want propane for cooking, hot water, a generator, or a pool.
Does summer pre-buy actually save money in Connecticut?
Yes, consistently. Connecticut wholesale propane bottoms out from June through August, when refinery output is high and residential demand is near zero, and most CT suppliers run pre-buy or budget-lock enrollment from around May through August. Locking summer gallons rather than paying the January and February spot rate has saved roughly $300 to $500 a year for a 1,000-gallon household in recent seasons. Read the contract before you sign: a cap-price contract lets you keep the savings if winter wholesale falls, a strict pre-buy locks the price in either direction, and you should ask whether unused pre-paid gallons roll into the next season.
How do I switch propane suppliers in Connecticut without losing my tank?
Most Connecticut homeowners lease their tank from their current supplier, which legally limits who can fill it. To switch without buying the tank out, the new supplier arranges a tank swap: they notify the old supplier, pull that tank, and set their own, typically over one to three weeks. If you own your tank outright, any registered supplier can fill it, which is the strongest leverage in this market because it lets you shop every fill on price. Buying a tank from a supplier generally runs from several hundred to a couple of thousand dollars depending on size and install, and it usually pays back through cheaper gallons if you keep the home for the long term.

Keep reading

All Connecticut dealers

The complete verified directory of 114 Connecticut propane dealers, by city and ZIP.

Dealers near you

Enter a ZIP to see the closest dealers and ask up to three for a price.

Propane prices today

The daily wholesale benchmark and the live state summer surveys.

Prices by state

All 50 states side by side, with regional context.

What a fill costs

Tank sizes, the 80% rule and the national refill guide.

How to pay less

Pre-buy timing, switching, owned versus leased tanks.

Propane vs heating oil

Per-BTU economics and conversion costs for oil-heated Connecticut homes.

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