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PADD 4 - Rocky MountainSeries: W_EPLLPA_PRS_SMT_DPGData: EIA week of 30 March 2026

Montana Propane Price Per Gallon (Latest EIA: 30 March 2026)

Montana average residential price / week ending 30 March 2026
$2.121/ gallon
vs national
$-0.55
vs 4 weeks ago
+0.2%
Season change
+$0.28

As of the week ending 30 March 2026, the average residential propane price in Montana was $2.121 per gallon (EIA series W_EPLLPA_PRS_SMT_DPG). The Montana price is below the US national average of $2.674 by $0.55 per gallon. Across the 2025-2026 heating season, the Montana residential figure moved from $1.840 to $2.121.

$1.80$1.90$2.00$2.10$2.206 Oct3 Nov1 Dec29 Dec26 Jan23 Feb23 Mar30 Mar$2.12$ / gallonMontana residential (EIA weekly)
Montana residential propane, weekly, sourced from EIA W_EPLLPA_PRS_SMT_DPG (PADD 4, Rocky Mountain). Range across the 2025-2026 heating season: $1.840 to $2.199.

How Montana compares

ComparisonReference priceDifference
Montana vs US national average$2.674$-0.55 (-20.7%)
Montana vs 5-year US average$2.580$-0.46
Montana season start (Oct 2025)$1.840+$0.28

Where Montana ranks

Among the 38 states the EIA Weekly Heating Oil and Propane Survey publishes residential prices for, Montana is the 9th-cheapest at $2.121 per gallon for the week ending 30 March 2026. The cheapest state in the survey is Nebraska ($1.642); the most expensive is Florida ($4.706). See the full state ranking table for every state and how it compares with the national average.

What drives the Montana price

Montana sits in PADD 4 (Rocky Mountain). As of the week ending 30 March 2026 its residential propane price was $2.121 per gallon, below the US national average of $2.674. Montana is part of the Rocky Mountain region, a smaller and more isolated market served mainly by regional refineries and truck distribution, where prices tend to track below the national average.

Montana propane price FAQ

What is the average cost of propane in Montana?

The average residential propane price in Montana is $2.121 per gallon, from the most recent EIA Weekly Heating Oil and Propane Survey (week ending 30 March 2026, series W_EPLLPA_PRS_SMT_DPG). That is $0.55 below the US national average of $2.674 per gallon. EIA surveys residential propane only from October through March, so this is the latest published average; the next weekly update is expected 7 October 2026.

What is the current propane price per gallon in Montana?

As of the latest EIA Weekly Heating Oil and Propane Survey (week ending 30 March 2026), residential propane in Montana averaged $2.121 per gallon (EIA series W_EPLLPA_PRS_SMT_DPG). EIA surveys residential propane only from October through March, so this is the most recently published reading; the next weekly update is expected 7 October 2026.

Is propane cheaper in Montana than the US average?

Montana residential propane is below the US national average of $2.674 per gallon by $0.55 (-20.7%), based on the same EIA weekly survey for the week ending 30 March 2026.

How much has the Montana propane price changed this heating season?

Across the 2025-2026 heating season, the Montana residential price moved from $1.840 per gallon at the start of October 2025 to $2.121 for the week ending 30 March 2026, a change of +$0.28 per gallon.

Where does Montana rank for propane prices among states?

Among the 38 states the EIA Weekly Heating Oil and Propane Survey publishes residential prices for, Montana is the 9th-cheapest at $2.121 per gallon for the week ending 30 March 2026. The cheapest is Nebraska at $1.642; the most expensive is Florida at $4.706.

For Montana household cost

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