Home solar in rural America: how much battery do you need to run a well pump?

There’s no shortage of advice on how to size a home solar system, but most of it assumes a suburban house with city water and a long list of optional loads. Rural homes play by different rules, and when your water comes from a well, keeping the lights on is optional — but keeping the well’s pump running isn’t.

Here’s what it really takes, in solar and battery terms, to keep your home’s water flowing even when its electrons aren’t.

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