Energy smart calculators

Replacing incandescent light bulbs with LEDs calculator

It's no joke - 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

Figure out how much you could save by converting your fuel oil or propane appliances to natural gas.

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Appliance energy calculator

 This  helps you estimate the annual cost to run many common household devices.

Calculating water heater cost

This information from helps you determine the annual cost to run different types of water heaters.

Carbon footprint calculator

This calculator is provided by the  Want to offset your carbon footprint? Consider enrolling in ײƵ's renewable energy purchase program, Second Nature™.

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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