Average Unit Energy Costs*

for five residential energy sources
Energy Type		In Common Terms		$/Million Btu
Electricity		$0.00841 kwh		$24.65
Natural Gas		$0.653/therm or $6.53/thousand cu.ft.		$6.53
No. 2 Heating Oil		$1.054/gal		$7.60
Propane		$1.25/gal		$13.63
Kerosene		$1.133/gal		$8.39

US Department of energy costs are used to calculate annual operating costs for heating systems and water heaters, the two biggest energy users in the average American home.

*Gas cost comparisons on these pages use our base rate of .65331 per therm. To the extent that gas costs exceed the amount included in our base rate, the excess gas costs should be added to the base rate for comparative purposes.