North Itasca Electric Co-operative, Inc

Cost of Electric Heat
Compared to Fossil Fuels

Propane:

  • Propane produces 91,500 BTU's of heat per gallon.
  • An 80% efficient furnace delivers 73,200 BTU's, exhausting 18,300 BTU's per gallon.
  • 1.25 gallons required to accomplish 91,500 BTU's
At $2.00 per gallon, each 91,500 Btu's would cost $2.50.

Fuel Oil:

  • Fuel oil produces 138,500 BTU's of heat per gallon.
  • An 80% efficient furnace delivers 110,800 BTU's exhausting 27,700 BTU's per gallon.
  • 1.25 gallons are required to accomplish 138,500 BTU's
At $3.00 per gallon, each 138,500 BTU's would cost $3.75.

Electricity:

  • Electricity is 100% Efficient
  • 1 kilowatt equals 3412 BTU's

Savings:

  • 26.82 kWh electricity = 1 gallon of propane
  • 40.56 kWh electricity = 1 gallon fuel oil

Comparisons

The chart below reflects propane price at $2.00 per gallon and fuel oil prices at $3.00 per gallon.
(Electricity=3412 BTU/kWh, Propane=91500 BTU/gallon and Fuel Oil=138500 BTU/gallon.)

100% Efficient Elec.80% Efficient PropaneElecSavings90% Efficient PropaneElecSavings80% Efficient Fuel OilElecSavings
0.046/KWh$2.50$1.23$1.27/gal$2.22$1.23$.99/gal$3.75$1.23$2.52/gal
0.051/KWh$2.50$1.15$1.14/gal$2.22$1.36$.85/gal$3.75$1.36$2.39/gal
0.063/KWh$2.50$1.69$.81/gal$2.22$1.69$.53/gal$3.75$1.69$2.06/gal
0.097/KWh$2.50$2.60none$2.22$2.60none$3.75$2.60$1.15/gal



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