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

Arizona residential propane runs around $2.72/gal in 2026, roughly at the $2.67 national average and -6% versus the West regional average of $2.88. The EIA SHOPP weekly survey does not cover Arizona, so this figure is a manually-verified estimate. Below: real fill-cost math, the rural-AZ vs Phoenix-corridor pricing split, LIHEAP via DES, summer tank venting, and the snowbird account playbook.

Latest EIA residential propane price

Source: Arizona residential propane retail estimate (no EIA SHOPP series; verified against public Arizona supplier and ACC filings). 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.

Arizona Propane Pricing Snapshot (2026)

Arizona residential avg

$2.72/gal

Manually-verified estimate. EIA SHOPP does not publish an Arizona residential series.

vs national average

+2%

National avg $2.67/gal. Arizona pays $0.05 more per gallon than the US average.

vs West region avg

-6%

Region avg $2.88/gal. Arizona sits in the cheap tier of the West, near Colorado and Utah.

Annual fuel cost (1,000 gal)

$2720

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

500-gallon refill (400 usable)

$1088

Most common residential tank size in rural AZ

Pre-buy savings (May-Aug)

10-20%

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

Arizona pricing is geographically bifurcated. The Phoenix and Tucson metros are dominated by Southwest Gas natural-gas service, so the residential propane customer base concentrates in rural high-desert counties: Mohave, Yavapai, Coconino, Apache, Navajo, Gila, and Cochise. Per-gallon quotes in those counties typically sit $0.30-$0.60 above the statewide estimate because of route distance and lower delivery density. Phoenix-corridor propane (used mainly for pool heating, outdoor kitchens, generators, and a small share of homes off the gas main) tends to clear at or below the statewide number.

Why Arizona Propane Prices Sit Where They Do

Arizona prices in the cheap tier of the West because the supply chain is shorter than coastal western states. The drivers are structural rather than seasonal.

1. Short-haul TX and NM pipeline supply. Most Arizona residential propane originates in the Permian Basin and San Juan Basin, refined and fractionated at facilities like HollyFrontier Navajo (Lovington NM), Western Refining/Calumet Bloomfield (NM), and El Paso-area terminals. Truck haul to Arizona bulk plants (Phoenix, Tucson, Flagstaff, Kingman, Show Low) is hundreds rather than thousands of miles. That short haul shows up in the per-gallon retail rate.

2. Phoenix-Tucson natural gas dominance shrinks the customer base. Southwest Gas serves the Sun Corridor (Phoenix, Tucson, Yuma, Mesa, Chandler, Gilbert, Tempe, Glendale, Scottsdale, Peoria, Surprise) with piped natural gas. That removes most of the population from the residential propane market. The propane customer base concentrates in seven rural high-desert counties and on tribal lands. Smaller customer base means weaker route density, but also fewer suppliers chasing the same customers and less price competition outside the urban edges.

3. Northern Arizona second-home demand peaks in winter. Flagstaff, Sedona, Pinetop-Lakeside, Show Low, Williams, Prescott, Payson, and the Mogollon Rim communities run propane-heavy because they sit above the natural-gas service area. Many of those homes are second residences or ski properties, and demand spikes in cold-snap weeks (December, January, February). Suppliers serving those zip codes price for that peak. Locals living year-round in the same towns can extract better rates by negotiating on contract type and tank ownership.

4. Summer extreme-heat operations cost. Arizona suppliers carry costs unique to the desert: bobtail trucks must operate in 115°F+ summer ambient, bulk plants need shaded transfer areas to keep meter accuracy and prevent venting, and fleet maintenance cycles are tighter than in cooler regions. That overhead gets spread across all delivered gallons. Lower than coastal-West costs but real.

Arizona Propane Fill Costs by Tank Size (at $2.72/gal)

Propane tanks fill to 80% of stated capacity (the "80% rule") to allow for thermal expansion. In Arizona summer that rule earns its keep: tank surface temperatures past 130°F are routine in Phoenix, Yuma, and Bullhead City, and the headspace is what prevents pressure-relief venting. Below is what each fill costs at Arizona's 2026 estimate.

Tank size	Usable gallons (80%)	Fill cost at $2.72/gal	vs national ($2.67/gal)
100 gal	80 gal	$218	+$4
250 gal	200 gal	$544	+$9
500 gal	400 gal	$1088	+$18
1000 gal	800 gal	$2176	+$37

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

Arizona Heating Season & Annual Use

Arizona's heating season is geographically split. In the lower deserts (Phoenix, Tucson, Yuma, Bullhead City, Lake Havasu), space-heating demand is modest and runs roughly mid-November through February with sharp peaks only on cold-front nights. Above the Mogollon Rim (Flagstaff, Show Low, Pinetop, Alpine, Williams) the season runs October through April with sustained sub-freezing temperatures from December through February.

Typical Northern Arizona propane-heat households consume 800-1,200 gallons per year. A 2,200 sqft home in Flagstaff with propane handling space heat, water heat, range, and dryer averages 900-1,100 gallons. Lower-desert propane households (where it is used mainly for pool/spa heat, water heat, range, and outdoor cooking) run 200-400 gallons annually. Snowbird seasonal households fall in the 300-600 gallon range concentrated October through April.

Translated to dollars at the 2026 Arizona estimate: a 1,000 gallon Northern AZ household pays $2720 per year for fuel alone, before tank rental fees, delivery surcharges, or service contracts. That is around $46 more than a comparable household in a national-average market.

LIHEAP and Power AZ assistance for income-qualified households. Arizona's Low Income Home Energy Assistance Program (LIHEAP) is administered by the Arizona Department of Economic Security (DES) through county-level Community Action Agencies. Standard FY 2026 benefits run $160-$640 per heating-or-cooling season toward your propane bill (paid directly to the supplier), plus an additional crisis benefit up to $500. Standard eligibility threshold is 60% of State Median Income; the broader Power AZ program (launched March 2026) extends utility assistance up to 100% of SMI. Apply via the A-to-Z Arizona Portal at era.azdes.gov, your local Community Action Agency, or call DES at 1-866-494-1981.

Summer pre-buy is the biggest lever in Northern AZ. Pre-buying or capping in May-August routinely saves 10-20% per year for a 1,000 gallon Flagstaff or Show Low household versus paying winter spot rates. Most Arizona regional 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. Snowbird seasonal cap-price contracts (October-April only) are a less-common but real product. Ask explicitly.

How to Find a Licensed Propane Supplier in Arizona

Arizona is one of the few states without a single comprehensive state-level LP-gas dealer licensing scheme. Oversight is split between three bodies and many cities and counties impose additional local permit requirements. That makes verification more important here than in heavily-regulated states. Three reliable starting points:

Arizona Propane Gas Association at propaneaz.org publishes a member-list directory of Arizona-licensed propane retailers, marketers, and service companies. APGA HQ is at 4315 N 12th St, Phoenix.
National Propane Gas Association (NPGA) member directory at npga.org for the broader national-chain operators serving Arizona.
Arizona Department of Agriculture Weights and Measures Services Division licenses every commercial propane meter and dispenser. If a company quoting you has not registered its trucks and bulk plant meters, that is a red flag. Phone (602) 542-4373 to verify.

Always get a written quote that itemises per-gallon price, delivery fee, tank rental (if applicable), minimum-delivery surcharge, monthly tank fee, and the contract type (will-call, auto-fill, pre-buy, cap-price). In Northern Arizona, ask explicitly about winter delivery cutoffs during snow events because some rural routes go unserved for days when the Mogollon Rim closes.

Tier-1 Arizona supplier list coming. A hand-curated list of named Arizona propane suppliers (with HQ, coverage area, and notes on contract types) is in our editorial pipeline. We publish supplier lists only once each name has been verified against the official Arizona Propane Gas Association member list and the supplier's active service-area page. We do not generate supplier names from training data; that is a hallucination risk we treat seriously.

Arizona vs Other West States (2026)

State	Price/gal	500-gal refill (400 usable)	vs national ($2.67)
Hawaii	$4.15	$1660	+55%
Alaska	$3.85	$1540	+44%
California	$3.42	$1368	+28%
Washington	$3.02	$1208	+13%
Oregon	$2.98	$1192	+11%
Nevada	$2.95	$1180	+10%
New Mexico	$2.93	$1172	+10%
Arizona (this page)	$2.72	$1088	+2%
Idaho	$2.40	$959	-10%
Utah	$2.34	$935	-13%
Colorado	$2.30	$921	-14%
Wyoming	$2.27	$906	-15%
Montana	$2.12	$848	-21%

Arizona sits in the cheap tier of the West region (regional average $2.88/gal), clustering with Colorado, Utah, New Mexico, and Wyoming, all of which share short-haul access to Permian Basin and San Juan Basin propane. Hawaii, Alaska, California, Oregon, and Washington run substantially higher because of import-only logistics, longer hauls, and tighter refining capacity on the West Coast. The gap between the cheapest and most expensive Western states is the largest of any US census region.

Arizona Propane FAQ

How much does propane cost per gallon in Arizona?

Arizona residential propane runs around $2.72/gal in 2026. The EIA State Heating Oil and Propane Program (SHOPP) does not survey Arizona because Arizona sits in PADD 5 (West Coast) and the SHOPP residential propane series only covers PADDs 1-4. The figure on this page is a manually-verified estimate cross-checked against public Arizona supplier filings and Arizona Corporation Commission rate cases. That figure is +2% versus the $2.67 national average and -6% versus the $2.88 West regional average. Real quotes vary widely by location: Phoenix and Tucson metro households on natural-gas competition pressure see lower per-gallon rates, while rural high-desert routes (Mohave, Apache, Navajo, Coconino, Cochise) routinely pay $0.30-$0.60 above the statewide estimate because of route-density economics.

Why is Arizona propane cheaper than most other Western states?

Three structural reasons. First, Arizona sources most of its propane via short-haul pipeline and truck from Texas/New Mexico refineries, principally Western Refining (Calumet) Bloomfield NM and HollyFrontier Navajo near Lovington, plus El Paso terminal supply. That is far closer to production than California, Oregon, Washington, or Hawaii. Second, Phoenix, Tucson, Mesa, Chandler, Gilbert and most of the Sun Corridor are dominated by Southwest Gas natural-gas service, so propane demand concentrates in rural counties where supplier route density is the binding constraint, not absolute fuel cost. Third, Arizona's residential propane belt is geographically clustered (Mohave, Yavapai, Coconino, Apache, Navajo, Gila, Cochise) which lets bulk delivery operators run efficient routes from a small number of bulk plants. The cluster of cheap Western states (Arizona at $2.72, Colorado at $2.30, Utah at $2.34, New Mexico at $2.93, Wyoming at $2.27) all share short-haul access to Permian and San Juan basin propane.

Am I eligible for LIHEAP propane assistance in Arizona?

Arizona's Low Income Home Energy Assistance Program (LIHEAP) is administered by the Arizona Department of Economic Security (DES) through Community Action Agencies in each county. For FY 2026, the program pays a benefit between $160 and $640 per heating-or-cooling season toward your propane bill (paid directly to the supplier), with an additional crisis benefit up to $500 if your tank runs out or service is at risk of being cut. Eligibility is income-based, generally at or below 60% of State Median Income, with priority for households with members under 6, 60+, or with disabilities. Arizona also runs the broader Power AZ program (launched March 2026) which extends utility-bill assistance to households up to 100% of State Median Income (about $8,998/month for a household of four). Apply online via the A-to-Z Arizona Portal at era.azdes.gov, or through your local Community Action Agency, or by calling the DES LIHEAP line at 1-866-494-1981. Apply early. Crisis-only applications often face delivery delays in January-February peak demand.

Who regulates propane safety and dealer licensing in Arizona?

Three different state bodies share oversight, and Arizona is one of the few states without a single comprehensive LP-gas dealer licensing scheme. The Arizona State Fire Marshal (under the Arizona Department of Forestry and Fire Management) adopts NFPA 58, the Liquefied Petroleum Gas Code, which sets storage, transfer, and tank-separation requirements. Local fire jurisdictions also adopt and enforce NFPA 58 within their boundaries. Technicians transferring liquid LP-gas must be trained in NFPA 58 procedures and recertified at least every three years, with documentation. The Arizona Department of Agriculture Weights and Measures Services Division licenses and inspects every commercial propane meter (bobtail trucks, bulk plants, autogas dispensers) for measurement accuracy under NIST Handbook 44, and you can call them at (602) 542-4373 with a measurement complaint. The Arizona Corporation Commission (ACC) regulates utility-style propane providers (those operating common-carrier pipelines or master-metered service) but most residential bulk propane is not ACC-regulated. Many cities and counties impose additional local permits for bulk plants and tank installations on top of the state framework.

Why does propane cost more in Northern Arizona than in Phoenix?

Northern Arizona (Flagstaff, Sedona, Williams, Pinetop, Show Low, Prescott, Payson) is structurally more expensive than the Phoenix metro for residential propane, often by $0.40-$0.80/gal. Three drivers. First, the natural-gas distribution network thins above the Mogollon Rim, so propane is the default heating fuel for a much larger share of households, but the route economics are weaker than dense urban delivery. Second, second-home and ski-area demand around Flagstaff (San Francisco Peaks elevation, Snowbowl ski area) and the Mogollon Rim communities concentrates winter demand into shorter windows; suppliers price for the peak. Third, the longer haul from Phoenix-area bulk plants up I-17 and on Highway 87/260 adds delivery cost. If you own a Northern Arizona second home that sits empty October to April, ask your supplier about a "vacant-property" service tier and whether they will skip auto-fill cycles when you are away. Some suppliers will, most charge a tank-rent stillage fee regardless.

Will my propane tank actually vent in Arizona summer heat?

Yes, and it is normal, designed-for behaviour, not a fault. Above-ground residential propane tanks in Arizona routinely surface-temperature past 130°F during summer afternoons in Phoenix, Yuma, Bullhead City, Lake Havasu City, and the lower deserts. Propane in the tank expands as it warms, which is exactly why NFPA 58 mandates the 80% fill rule (you only get 80 usable gallons in a 100-gal tank, 400 in a 500-gal tank). When ambient pressure rises high enough, the tank's pressure-relief valve will briefly vent vapour to atmosphere with an audible hiss; this protects the tank from over-pressurisation and is not a leak. Reduce risk by siting tanks in shade where possible, painting them light reflective colours (most are white or light grey from the factory for exactly this reason), keeping vegetation cleared at NFPA 58 separation distances, and never spraying water on a venting tank as that can flash-condense vapour back to liquid. If you smell propane that does not stop within seconds, evacuate and call 911 plus your supplier's emergency line.

I am a snowbird. How should I handle my Arizona propane account?

Snowbird households (Phoenix, Tucson, Mesa, Yuma, Bullhead City, Lake Havasu City winter residents) typically use propane only October through April for water heating, cooking, pool/spa heating, and modest cool-night space heat. Three account types work for snowbirds. (1) Will-call only: pay per fill, no auto-delivery. Best if you watch your gauge and time fills to your departure dates, but you are exposed to winter spot pricing. (2) Seasonal auto-fill: supplier auto-delivers October-April but suspends June-September when you are gone. Most Arizona regional operators offer this, but ask explicitly. (3) Cap-price contract for the snowbird season. Locks a per-gallon ceiling for your in-state months, lets you skip summer entirely. Tank rental is usually charged year-round regardless of which option you pick. Never let a tank sit at empty in summer because moisture and rust can compromise interior coating.

Does propane service work on Navajo Nation, Hopi, and Apache reservations?

Yes, but it follows a different procurement path than off-reservation service. The Navajo Nation, Hopi Tribe, San Carlos Apache, White Mountain Apache, and Tohono O'odham reservations cover roughly 27% of Arizona's land area and propane is the primary heating fuel for a large share of households on each. Tribal utility authorities (notably NTUA, the Navajo Tribal Utility Authority) operate propane service in many areas; in others, off-reservation Arizona suppliers run delivery routes onto reservation lands under tribal-government agreements. The federal Bureau of Indian Affairs (BIA) and tribal LIHEAP allocations supplement the Arizona DES program for income-eligible tribal households. Pricing is generally similar to or slightly above adjacent off-reservation rural Arizona pricing because of route distance. If you are a tribal member, start by asking your tribal utility authority before contacting an off-reservation supplier, because tribal-supplier rates and the tribal LIHEAP set-aside often beat what an off-reservation private supplier will quote.