Energy smart calculators
Find your best rate calculator
Find the best rate that works for you! Use our rates calculator to see if you would benefit from switching to a different rate.
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Customer-owned solar energy calculator (Iowa)
See your potential savings from generating your own solar energy. Check out our tool that offers estimates based on your address and information you enter.
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Appliance energy calculator
This PowerHouse calculator helps you estimate the annual cost to run many common household devices.
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Carbon footprint calculator
This calculator is provided by the Environmental Protection Agency.
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Replacing incandescent light bulbs with LEDs calculator
Switching to LED light bulbs can save you some serious cash. Use this calculator to estimate the impact.
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Switch to natural gas calculator
See how much you could save by converting your fuel oil or propane appliances to natural gas.
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Calculating water heater cost
This calculator from Energy.gov helps you determine the annual cost to run different types of water heaters.
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