energy efficiency | illinois


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MidAmerican Energy's Top 10 Tips offer ways to make homes and small businesses more energy efficient, and by utilizing the following energy-saving calculators, residential and small business customers can estimate energy costs.

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Refrigerator and Freezer Operation Double Black Arrow
In most households, the refrigerator is the single biggest energy-consuming kitchen appliance, and a stand-alone freezer uses a comparable amount of energy. Learn More