Skip to content
Heating Fuel Prices

Rocky Mountain Propane Prices in 2018

27 EIA surveys, Jan 1, 2018 to Dec 31, 2018

Page last updated · What changed: Corrected a U.S. FAQ answer; added PADD labels, direct EIA links, methodology, survey dates and uncovered states.

Average
$2.192
High
$2.295
Jan 22
Low
$2.041
Oct 1
Against 2017
Down −$0.115 (−5.0%)
change in average

In 2018, EIA published 27 residential propane prices for the Rocky Mountain. They averaged $2.192 a gallon, from a low of $2.041 on October 1, 2018 to a high of $2.295 on January 22, 2018.

The average was 5.0% below 2017’s $2.307.

EIA surveys only during the heating season in most years, so there are no Rocky Mountain values for April, May, June, July, August and September.

Week by week

Rocky Mountain propane prices in 2018Rocky Mountain propane in 2018: 27 weekly values from Jan 1, 2018 to Dec 31, 2018, highest $2.295 on Jan 22, 2018, lowest $2.041 on Oct 1, 2018.$2.00$2.05$2.10$2.15$2.20$2.25$2.30JanFebMarAprMayJunJulAugSepOctNovDec

Every survey in 2018

Rocky Mountain propane prices by month, 2018, dollars per gallon
MonthSurvey dates and pricesMonth average
JanuaryJan 1 $2.251Jan 8 $2.269Jan 15 $2.287Jan 22 $2.295Jan 29 $2.293$2.279
FebruaryFeb 5 $2.291Feb 12 $2.269Feb 19 $2.270Feb 26 $2.262$2.273
MarchMar 5 $2.237Mar 12 $2.190Mar 19 $2.182Mar 26 $2.178$2.197
OctoberOct 1 $2.041Oct 8 $2.064Oct 15 $2.086Oct 22 $2.115Oct 29 $2.116$2.084
NovemberNov 5 $2.126Nov 12 $2.132Nov 19 $2.135Nov 26 $2.136$2.132
DecemberDec 3 $2.168Dec 10 $2.189Dec 17 $2.197Dec 24 $2.200Dec 31 $2.202$2.191

Source: U.S. Energy Information Administration, weekly propane residential price table (Rocky Mountain series). Prices exclude taxes.

Propane — weekly Rocky Mountain, CSV (12 rows, from 2026-02-02 to 2026-10-19)

Columns: survey_date, area, fuel, price_usd_per_gallon_excl_taxes. Prices are residential, in dollars per gallon ($/gal), excluding taxes. Source: EIA.

Download full history