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01/05/2009 Energy Calculators Energy Calculator Home
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Discount rate %

Utility Costs: Average Rates
Electric  $/kw
$/kwh
Gas  $/mmBTU
Water  $/1000 gallons
Sewer  $/1000 gallons

Description Annual Increase (+) or Reduction (-) Peak Months per Year Retrofit Cost System
Life
(years)		 1st Year Savings Simple Pay-Back (years) Life
Cycle Savings 		Net Present Value of
Investment 		Project Rank
kw kwh mmBTU 1000 Gallons Water 1000 Gallons Sewer
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The information provided by the Energy Calculators on this web site is for illustrative purposes only. Results depend on many factors, including the assumptions you provide. EnergyWindow does not guarantee their accuracy, or applicability to your circumstances.


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