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

Tennessee residential propane runs $3.25/gal in the latest EIA release, roughly 21% above the national average and ahead of the South regional norm. This is the no-spin breakdown: why TN sits where it does despite being a Southern state, real fill-by-tank-size math, the propane-vs-electric decision under TVA rates, LIHEAP via THDA, and how to verify a licensed TN dealer.

Latest EIA residential propane price

Source: EIA Tennessee 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.

Tennessee Propane Pricing Snapshot (2026)

Tennessee residential avg

$3.25/gal

EIA 2026 SHOPP survey, full-service residential delivery

vs national average

+21%

National avg $2.67/gal. TN pays $0.57 more per gallon than the US norm.

vs South region avg

+0%

South region avg $3.26/gal. TN runs above the regional norm despite being a Southern state.

Annual fuel cost (1,000 gal)

$3248

Typical TN propane-heat household uses 700-1,000 gal/year (smaller than Northeast load)

500-gallon refill (400 usable)

$1299

Most common rural TN residential tank size

Pre-buy savings (May-Aug)

$300-$500/yr

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

Tennessee is among the more expensive Southern states for residential propane. On the 2026 EIA dataset TN sits behind only Florida (heavy delivery costs across a long peninsula) and Alabama within the South, and ahead of North Carolina, Virginia, Georgia, and Kentucky. The pressure is structural, not seasonal: TVA electric dominance compresses the residential propane customer base, and rural Appalachian / Cumberland Plateau routes carry high per-gallon delivery cost.

Why Tennessee Propane Prices Sit Where They Do

People expect Southern states to be cheap for propane. Tennessee is not. At $3.25/gal in 2026, TN sits 21% above the US average and 0% above the South regional average of $3.26/gal. The drivers are specific to Tennessee's energy mix and geography, and they will not normalise back to Texas-style pricing without a major shift in regional propane infrastructure.

1. TVA electric heat dominates, which shrinks the propane customer base. The Tennessee Valley Authority delivers some of the cheapest residential electricity in the United States. Roughly two-thirds of TN homes heat with electricity (resistance or heat pump), which is high by national standards. That leaves propane as a smaller, more dispersed customer base than a state of TN's size would imply. Fewer customers per supplier route, smaller storage volumes per terminal, and weaker supplier-level economies of scale all push per-gallon overhead up.

2. Rural Appalachian and Cumberland Plateau delivery routes. The propane that does sell in TN goes mostly to East TN (Knox, Sevier, Cocke, Hamblen, Greene counties), the Cumberland Plateau, the Cherokee National Forest fringe, and rural Middle and West TN agricultural households. These are long, low-density routes. A bobtail truck spends more time and burns more diesel per delivered gallon than it would on a suburban Nashville or Memphis route, and that cost shows up in the per-gallon retail price.

3. Memphis and Nashville natural-gas dominance. Memphis Light Gas & Water (MLGW) and Piedmont Natural Gas + others in the Nashville metro give the two largest TN markets cheap natural-gas service. That further compresses urban propane demand into specific niches: gas range/dryer addons, generator-only setups, pool heat, outdoor cooking. Suppliers cannot lean on metro-route density to subsidise rural delivery, the way they can in some Northeast states.

4. No in-state NGL production, but reasonable pipeline access. Tennessee has no in-state natural-gas-liquids production. All propane arrives by pipeline or rail from the Gulf Coast (via Louisiana / Mississippi corridors) or from Marcellus/Utica shale via the I-65 and I-40 logistics corridors. TN does not pay the Northeast / New England rail-to-truck premium, but it also does not get Texas / Louisiana wellhead pricing. The result is a Southern state that prices well above the South average.

Tennessee Propane Companies: How to Find a Verified Dealer

We do not publish a Tennessee supplier list until each name is verified against the State Fire Marshal's LP Gas dealer register. Use the three sources below to assemble your own quote shortlist, then verify each dealer at verify.tn.gov before signing a service contract or pre-buy.

Tennessee State Fire Marshal's Office (LP Gas Section)

What it does: Licenses every LP Gas dealer, installer, and fitter operating in Tennessee. Class I (bulk storage, minimum 30,000 water-gallons), Class II (bottle storage, minimum 500 water-gallons), and Class III (service-station/refrigeration). Sets minimum $500,000 per-person and $1 million per-accident liability insurance requirements.

Verify a license: verify.tn.gov, search by company name or license number. Program info: tn.gov/commerce/fire/permit/licensing/lp-gas.html. Questions: SFMO.licensing@tn.gov.

Tennessee Propane Gas Association (TNPGA)

What it does: State trade association for TN propane retailers and marketers. Operates a consumer dealer-locator and runs safety and operator training through the Tennessee Propane Education & Research Foundation (TPERF), headquartered in Athens, TN.

Dealer locator: propanetennessee.com. Industry membership site: tennpropane.com.

National Propane Gas Association (NPGA)

What it does: National industry body. Sets the safety and handling training standard referenced in TN dealer licensing law. Useful background only; for a TN-specific dealer search use TNPGA or verify.tn.gov above. npga.org.

Build Your TN Quote Shortlist

Get at least three quotes, ideally one from each tier below. Verify each at verify.tn.gov before you commit.

Tennessee Tier-1 Supplier (placeholder)

National chain

Coverage: Statewide TN coverage to be verified, replace with confirmed AmeriGas / Suburban Propane / Ferrellgas Tennessee branch list.

Notes: Placeholder pending direct verification of TN service points and pricing posture. Do not publish supplier names without verifying current TN dealer-license status at verify.tn.gov.

Tennessee Tier-2 Supplier (placeholder)

Regional family operator

Coverage: Multi-county TN coverage to be verified, typical profile: 2-4 service centers across East TN, Middle TN, or West TN with in-state bulk storage.

Notes: Placeholder pending verification of a confirmed regional Tennessee operator with multi-county route density and in-state bulk-storage capacity.

Tennessee Tier-3 Supplier (placeholder)

Local independent

Coverage: Single-county or small multi-county TN operator to be verified.

Notes: Placeholder pending verification of a confirmed local Tennessee independent. Local independents in East TN (Cumberland Plateau, Cherokee National Forest fringe) and rural Middle/West TN often beat national chains by $0.20-$0.40/gal but service area is narrow.

Verification rule. Tennessee LP Gas dealer licensing is administered by the State Fire Marshal's Office, not the TN Department of Agriculture. Search verify.tn.gov by company name. If a company solicits you door-to-door and is not on the register, do not sign and report them to SFMO.licensing@tn.gov.

Tennessee Propane Fill Costs by Tank Size (at $3.25/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 TN 2026 average. Real-world quotes vary 10-15% above or below the EIA average depending on supplier, contract type, automatic-vs-will-call delivery, and your zip code's route density.

Tank size	Usable gallons (80%)	Fill cost at $3.25/gal	vs national ($2.67/gal)
100 gal	80 gal	$260	+$46
250 gal	200 gal	$650	+$115
500 gal	400 gal	$1299	+$230
1000 gal	800 gal	$2598	+$459

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

Tennessee Heating Season, Annual Use & LIHEAP

Tennessee's residential heating season runs roughly four months for most of the state, December through March, with a colder profile in East TN and the Cumberland Plateau where heating demand often starts in late November and runs into early April. West TN (Memphis) is the warmest region with the shortest heating season. Across the state, summer heat-wave risk and April-May tornado season create year-round demand for propane standby generators that adds incremental fill volume outside the heating season.

Typical TN propane-heat households consume 700-1,000 gallons per year, smaller than a comparable Northeast house because the heating season is shorter and milder. A 2,400 sqft East TN home with propane handling space heat, water heat, range, and generator typically averages 800-900 gallons. A Middle TN home using propane only for cooking, water heat, and a generator (with electric heat for space) runs 150-300 gallons annually.

Translated to dollars at the 2026 TN average: a 1,000 gallon household pays $3248 per year for fuel alone, before tank rental fees, delivery surcharges, or service contracts. That is $574 more than a comparable household in a national-average market and around $1068 more than a Texas household at the cheapest US end.

LIHEAP via THDA for income-qualified TN households. Tennessee's Low-Income Home Energy Assistance Program (LIHEAP) is administered by the Tennessee Housing Development Agency (THDA) and delivered through 19 local Community Action Agencies covering all 95 counties. Eligibility: at or below 60% of State Median Income. Benefit range $174-$750 per household for the 2025-2026 program year, paid directly to your propane supplier. Apply online at thda.smartsimple.us or call your county's local LIHEAP agency. Apply early in the season because crisis-only requests in January-February often face delivery delays.

Tornado season generator demand (April-May, secondary peak November). Tennessee sits in Dixie Alley. A propane standby generator on a 250 or 500 gallon dedicated tank gives 5-10 days of runtime depending on load and unit size. If you already heat with propane, sizing the tank to handle generator demand on top of winter heating is the cheapest path. At the 2026 TN price of $3.25/gal, a full 500-gallon refill (400 usable) is $1299, which buys roughly a week of standby runtime under a moderate load profile.

Summer pre-buy is the single biggest lever. Pre-buying or capping in May-August routinely saves $300-$500 per year for a 1,000 gallon TN household versus paying winter spot rates. Most TN suppliers run pre-buy enrollment between May 1 and August 31. Read the contract: cap-price contracts let you keep savings if wholesale falls; flat pre-buy locks you in either direction.

Tennessee vs Other Southern States (2026)

All Census-region South states from the latest EIA SHOPP release, sorted highest to lowest. TN sits in the upper half despite TN's reputation as a low-cost-of-living state, because TVA electric dominance compresses the propane customer base and rural Appalachian routes are expensive to serve.

State	Price/gal	500-gal refill (400 usable)	vs national ($2.67)
Florida	$4.71	$1882	+76%
Maryland	$3.74	$1496	+40%
Virginia	$3.56	$1426	+33%
Alabama	$3.52	$1406	+31%
South Carolina	$3.51	$1405	+31%
West Virginia	$3.51	$1405	+31%
North Carolina	$3.45	$1380	+29%
Tennessee (this page)	$3.25	$1299	+21%
Georgia	$3.16	$1266	+18%
Mississippi	$3.05	$1221	+14%
Texas	$2.99	$1196	+12%
Kentucky	$2.94	$1174	+10%
Louisiana	$2.93	$1172	+10%
Arkansas	$2.37	$947	-11%
Oklahoma	$2.27	$909	-15%

The full South region averages $3.26/gal in 2026, dragged up by Florida and Alabama. TN sits 0% above the regional average. Florida pays the highest Southern price (long peninsula delivery, no in-state production). Texas, Oklahoma, and Louisiana sit at the bottom (Gulf Coast wellhead access). TN's position is closer to the Mid-Atlantic Southern profile (NC, VA) than to the Gulf Coast cluster.

Tennessee Propane FAQ

Who has the cheapest propane in Tennessee?

There is no single cheapest supplier statewide. TN propane pricing varies sharply by region: rural East TN (Knox, Sevier, Cocke, Hamblen counties and the Cumberland Plateau) tends to run $0.20-$0.40/gal above Middle TN because of route-density and Appalachian delivery costs. Memphis-area customers (West TN) see fewer suppliers because Memphis Light Gas & Water natural-gas dominates that metro. Always quote at least three licensed dealers, including one national chain (AmeriGas, Suburban Propane), one regional Tennessee operator, and one local independent in your county. Lock-in or pre-buy contracts in May-August routinely beat winter spot rates by $0.30-$0.60/gal. The 2026 TN average is $3.25/gal versus $2.67/gal national.

Why is Tennessee propane more expensive than other Southern states?

Tennessee sits at $3.25/gal in 2026, which is roughly 21% above the national average and above the South regional average of $3.26/gal. TN is among the more expensive Southern states for propane, behind only Florida and Alabama on our 2026 dataset. The drivers are structural. First, the Tennessee Valley Authority (TVA) supplies some of the lowest-cost electricity in the country, which has pushed roughly two-thirds of TN homes onto electric heat. That leaves propane with a smaller residential customer base than you would expect for a state of TN's size, so suppliers cannot spread fixed costs over as many gallons. Second, the propane that does sell goes mostly to rural Appalachian (East TN), Cumberland Plateau, and off-grid Middle/West TN agricultural households on long, low-density delivery routes. Third, TN has no in-state NGL production, so all propane arrives by pipeline or rail from the Gulf Coast or the Marcellus/Utica via the I-65 and I-40 corridors. Fewer customers, longer routes, and zero local production all push per-gallon overhead up.

Am I eligible for LIHEAP propane assistance in Tennessee?

Tennessee's Low-Income Home Energy Assistance Program (LIHEAP) is administered by the Tennessee Housing Development Agency (THDA) and delivered through 19 local Community Action Agencies covering all 95 counties. Eligibility is set at or below 60% of State Median Income (the federal LIHEAP standard). For the 2025-2026 season, benefit amounts range $174 to $750 per household depending on energy burden, paid directly to your propane supplier or utility. Apply online via the THDA SmartSimple portal at thda.smartsimple.us, or contact your county's local LIHEAP agency. Apply early in the season because crisis-only applications often face delivery delays in peak January-February demand. Note: THDA-administered funding has at times been slowed by federal appropriations cycles; check THDA's program page for current status before relying on assistance for an upcoming fill.

How do I check if a Tennessee propane dealer is licensed?

Tennessee LP Gas dealers, installers, and fitters are licensed by the Tennessee State Fire Marshal's Office (a division of the Department of Commerce and Insurance), not the Department of Agriculture. License classes include Class I bulk storage (minimum 30,000 water-gallons), Class II bottle storage (minimum 500 water-gallons), and Class III service-station/refrigeration. Verify any dealer at verify.tn.gov before signing. If a company solicits you door-to-door and is not on the verification register, do not sign and report them to SFMO.licensing@tn.gov. State law requires every dealer to carry minimum $500,000 per-person and $1 million per-accident liability insurance, plus three years of documented LP gas experience or NPGA-equivalent safety training.

Should I install a propane backup generator for tornado season?

Tennessee sits in the heart of Dixie Alley, with peak tornado risk April-May and a secondary peak in November. Add summer heat-wave grid stress and winter ice storms across East TN and the Cumberland Plateau, and the case for a propane standby generator is stronger in TN than in most Southern states. A typical 14-22 kW air-cooled standby unit (Generac, Kohler, Briggs & Stratton) burns 1.5-3.5 gallons/hour at full load. A 500-gallon propane tank gives roughly 5-10 days of generator runtime, depending on load and unit size. At the 2026 TN price of $3.25/gal, a full 500-gallon refill (400 usable) costs $1299. If you already heat with propane, sizing your tank to handle generator demand on top of winter heating is the cheapest route. If you are electric-heat and want generator-only propane, a 250 or 500 gallon dedicated tank plus a manual transfer switch is typically $4,000-$8,000 installed.

Should I switch from electric heat to propane in Tennessee?

Probably not, in most of TN, because TVA electric rates are unusually low (often $0.10-$0.13/kWh retail) versus the national average. A correctly sized heat pump in TN delivers space heat at a per-BTU cost that beats propane at the 2026 TN average of $3.25/gal. Propane wins in three TN scenarios: (1) East TN and Cumberland Plateau homes above 2,500 ft where heat-pump performance drops and a propane furnace or hybrid system makes more sense, (2) rural homes already off natural gas where the standing electric load + winter peaks make a propane furnace plus heat-pump hybrid more economic, and (3) homes that want propane for non-heating uses (tankless water heater, range, dryer, generator, pool heat, outdoor grill) where the marginal cost of adding space heat to an existing propane setup is small. For a Memphis or Nashville suburban home with natural gas available, neither propane nor a propane conversion makes sense.

When is the best time to fill my propane tank in Tennessee?

May through August. Tennessee wholesale propane prices typically bottom in early summer when refinery output is high and residential demand is near zero. TN suppliers running pre-buy or budget-lock programs in May-August have offered $2.85-$3.05/gal in recent seasons versus winter spot rates running $3.55-$3.85/gal at January peak. On a 1,000 gallon annual usage, that is $300-$500/year saved. Read the contract: cap-price contracts let you keep savings if wholesale falls; flat pre-buy locks you in either direction. Tactical play: time your fill to arrive at November with a 75-80% full tank from a September top-up at shoulder-season pricing, then ride out winter on a single mid-season fill if needed. Setting your automatic-delivery threshold at 30% rather than 20% gives the supplier route flexibility, and some TN companies reward that with a $0.05-$0.10/gal discount.