SolarCalcNow helps homeowners estimate solar system size, panel count, roof space, cost, savings, and payback before talking to installers. It starts from monthly kWh or electric bill, uses state-level assumptions, shows the math, and does not require an email or phone number.

A lot of solar calculators ask for your phone number or email before giving a useful estimate. But many homeowners are still in the first stage: they just want to understand roughly how many panels they may need, what it could cost, and whether the payback looks reasonable. SolarCalcNow puts the estimate first. Enter monthly kWh or an electric bill, choose basic home assumptions, and get system size, panel count, roof space, cost range, savings, payback, and confidence level. It is not an installer quote, and it does not pretend to know every roof perfectly. The goal is to give people a clearer starting point before they talk to companies. Would love feedback on whether the assumptions, results, and explanations feel transparent enough.

How does it handle homes with partial shading or roofs that aren't a clean south-facing plane? Most calculators I've tried basically ignore that and the real installer numbers end up way off.

SolarCalcNow

Estimate solar panels before getting quotes

Estimate solar panels before getting quotes