Solar Roof Analyzer
Analyze an address with Google Solar API building insights: panel fit, roof segments, modeled area and maximum reference production.
Open tool →Roof Solar Calculator
Estimate how many panels may fit from roof area, usable percentage, panel dimensions, wattage and orientation.
Open tool →Solar Panel Calculator
Estimate panel count from annual electricity use, target solar offset, panel wattage and local solar yield.
Open tool →Solar Panel Output Calculator
Estimate annual, monthly and daily solar production from state, panel wattage and panel count.
Open tool →System Size by Electric Bill
Convert an average monthly electric bill into an estimated annual kWh load, solar system size and panel count using state rate and solar-yield assumptions.
Open tool →Home Solar Calculator
ZIP-specific PVWatts production, system size, panels, installed cost and long-term savings.
Open tool →Solar Cost Calculator
Explore system cost by kW size, cost per watt, state, panel power and battery add-on.
Open tool →Solar Payback Calculator
Model cumulative payback year by year with electricity-rate escalation and panel degradation.
Open tool →Solar Loan Calculator
Compare cash price, dealer fee, APR, monthly payment and total financing premium.
Open tool →Battery Backup Calculator
Estimate backup duration from daily backed-up energy use and published battery capacity.
Open tool →Solar Battery Backup Runtime
Estimate reserve-only and full-battery outage runtime from usable capacity, battery count, backup reserve, average critical load and delivered-energy efficiency.
Open tool →Solar + EV Calculator
Estimate EV charging kWh and the additional solar capacity needed to offset annual driving.
Open tool →Solar + Heat Pump Calculator
Convert current heating-fuel use into heat-pump electricity and estimate the extra solar capacity needed.
Open tool →Solar Quote Analyzer
Upload a text-based installer proposal PDF or enter values manually to check solar-only $/W, financing premium, production assumptions and equipment details.
Open tool →Compare Solar Quotes
Upload two or three proposal PDFs and compare normalized $/W, production, financing, equipment and automatic review flags side by side.
Open tool →