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The solar payback period is the amount of time it takes for the financial savings from a solar system to recover the system’s net cost. It is one of the most useful calculations for comparing a solar investment with simply continuing to buy electricity from the grid. How do you calculate solar payback? A simple…
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The right home battery size depends on what you want the battery to accomplish. A battery designed to reduce evening grid purchases can be much smaller than one intended to keep an entire home operating through a long…
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Short answer: There is no single national price that accurately describes every residential solar project. A home’s solar cost depends on system size, equipment, installation and permitting, financing…
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Learn how to estimate the number of solar panels your home may need using electricity use, solar resource, system losses, and panel wattage.