Note: For more information about propane and propane pricing, click here.
(Prices aggregated from MA Department of Energy Resources telephone surveys of propane dealers who service Massachusetts households; not inclusive of any discounts offered for cash payments and based on the average winter fill-up 100-150 gallons or more. Note that dealers may charge more per gallon for fill-ups under 100 gallons. Prices are in $ per gallon.)
Off-Peak Season (end of March through September):
Note: download this
table 
for heating season prices from 2000-present.
This information is provided by the Department of Energy Resources.