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Fuel Cost Comparison

(as of 7/16/2010)



Sources
Electricity: LG&E Residential Electric Rate
Natural Gas: LG&E Residential Gas Rate
Propane/Fuel Oil: Kentucky State Averages from the Kentucky Division of Energy


1. What information is in these fuel-efficiency comparison charts?
2. What type of heat do you like?
3. How do I use the information in these charts?
4. Should I simply go with the fuel that costs less? What else should I consider?
5. Do I want my house to feel warm or room temperature in the winter?
6. Why are the costs of fuel converted to costs per million BTUs?
7. Why are the "efficiencies" of heating appliances different? Why don't I just use the differences in fuel costs to make comparisons?


  LG&E Kentucky State Avg.
  Natural Gas Electricity #2 Fuel Oil Propane
Unit of Measurement 1,000 CU. FT. Kwh Gallons Gallons
Price per Unit $7.4623 $0.07338 $2.5590 $2.3950
Approximate BTU's Per Unit 1,025,000 3,412 140,000 91,000
Price Per 1,000,000 BTU (Input) $7.28 $21.51 $18.28 $26.32
 
HEATING OPTIONS
Standard Efficiency
  Natural Gas Electricity #2 Fuel Oil Propane
Heating Cost Conventional
Furnace
Baseboard or Furnace Conventional Heat Pump Conventional
Furnace
Conventional
Furnace
Estimated Efficiency 78% 100% 180% 80% 78%
Cost Per 1,000,000 Btu's of Heating Output $9.33 $21.51 $11.95 $22.85 $33.74
High Efficiency
  Natural Gas Electricity #2 Fuel Oil Propane
Heating Cost High Efficiency
Furnace
High Efficiency
Heat Pump
Geothermal
Heat Pump
High Efficiency
Furnace
High Efficiency
Furnace
Estimated Efficiency 93% 220% 300% 85% 93%
Cost Per 1,000,000 Btu's of Heating Output $7.83 $9.83 $7.17 $21.50 $28.30
 
WATER HEATING
  Natural Gas Electricity #2 Fuel Oil Propane
Water Heating Cost Water Heater Water Heater   Water Heater
Energy Factor 58% 89% n/a 58%
Cost Per 1,000,000 Btu's of Heating Output $12.55 $24.17 n/a $45.38
  LG&E Kentucky State Avg.


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