Alliant Energy - Energy Smart Calculators

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Find your best rate calculator

Use our rates calculator to see if your business would benefit from switching to a different rate. Choose your state:

Compressed air systems savings

AIRMaster+ is a free online software tool that helps users analyze energy use and savings opportunities in industrial compressed air systems. (Powered by energy.gov)

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Iowa solar energy calculator

Check out our tool that can estimate your solar potential and savings by address. This will help determine whether generating your own solar energy is right for you. Estimates are based on information you enter.

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Second Nature environmental impact

Find out how much renewable energy you help generate with your monthly contribution to Second Nature™.

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Air conditioner SEER calculation

Figure out the Seasonal Energy Efficiency Rating (SEER) for your air conditioner.

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Energy smart calculators for your business

Recent stories from our blog

Spring into smart savings this month

Simple changes and smart habits can enhance your home’s comfort and lower your energy bills. Save with these practical tips.

PowerHouse April Tip of the Month: Time to tune up your air conditioner

With warmer weather on the horizon, it's a great idea to make sure your air conditioner runs smoothly. Regular maintenance could lower your system’s energy use by up to 15%.

PowerHouse March Tip of the Month: Check out My Account

World Energy Efficiency Day is this month. Do you know how much energy you use? Find out with My Account, a great online tool to learn all about how your home uses energy.