Energy cost comparison.| | | | | FUEL | ENERGY CONTENT | UNIT PRICE | HEAT CONVERSION EFFICIENCY | COST PER MILLION BTU | | | | | | | | | | | Kerosene | 134,000 | BTU/gal | $4.60 | /gal | 85 | % | $40.39 | | #2 Fuel Oil | 138,000 | BTU/gal | $4.50 | /gal | 80 | | $40.76 | | Propane | 92,000 | BTU/gal | $2.60 | /gal | 85 | | $33.25 | | Natural Gas | 100,000 | BTU/therm | $1.70 | /therm* | 85 | | $20.00 | | Electricity - Resistance | 3,412 | BTU/kWh | $0.10 | /kWh** | 100 | | $29.31 | | Electricity - Heat Pump | 3,412 | BTU/kWh | $0.20 | /kWh** | 200 | | $29.31 | | Coal | 13,200 | BTU/lb | $190.00 | /ton | 75 | | $9.60 | | Firewood-Hardwood | 25,000,000 | BTU/cord | $200.00 | /cord | 60 | | $13.33 | | Wood Pellets | 8,200 | BTU/lb | $225.00 | /ton | 80 | | $17.15 | | Shelled Corn | 6,800 | BTU/lb | $6.00 | /bushel | 75 | | $21.01 | 
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