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Free Solar Planning Tool

How Many Solar Panels Might You Need?

Answer a few simple questions about your home. We estimate electricity use for you and explain the result without jargon.

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What Do These Results Mean?

This tool estimates annual energy use and illustrates a possible solar system. It cannot determine a guaranteed minimum, ideal system or winter self-sufficiency. Your electricity bill and a professional roof and shade assessment improve accuracy.

Read the Solar Panels Guide