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Reviewed for 2026, updated September 8, 2026.
A step-by-step checklist that walks a homeowner from the utility data and roof survey through panel, inverter, and battery choices, the savings assumptions, the installer, and the contract, so nothing important is left to trust on signing day.
Open the templateA side-by-side sheet that brings up to three solar and battery proposals down to the same metrics, size, price per watt, production per watt, savings assumptions, warranties, installer, and contract terms, so the spread between them finally makes sense.
Open the template