Solar panels cost about $7 per square foot with average prices ranging from $4 to $10 per square foot in the US for 2020 according to one source.
HomeGuide says, “Cost of Solar Panels Per Square Foot. The cost of solar panels to power your house are $4 to $10 per square foot. However, most installers estimate solar costs by the amount of energy needed, at $2.53 to $3.15 per watt before any tax credits or incentives.”
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