Solar Panel Calculator

Free solar panel calculator to analyze solar radiation and photovoltaic potential for any location worldwide. Discover if solar panels are right for your home or business.

Professional Solar Forecast for PV output

Discover predicted solar output data based on your location, orientation, and other parameters of your solar panels. Fill out the form below and see the current solar production forecast or historical output

Project Sunroof

Search for a city, state, or zip code to see solar potential and impact across entire geographic areas. We currently have solar data for portions of 50 states and Washington DC.

Solar Power Calculator By Zip Code [2026]

By simply inputting your zip code, the calculator takes into account local solar radiation levels, average sunlight hours, and other relevant factors to provide an estimate of how much power

US Solar Production Calculator | NREL PVWatts Data | Payaca

Free US solar production calculator powered by NREL PVWatts v8 data. Enter your zip code, roof details, and system size to estimate annual kWh output, savings, and payback period.

Sunort

We use real-time solar data and your location to provide precise estimates of your solar potential and savings based on your energy use. Calculate your solar potential in 4 simple steps. Our solar energy

PVWatts Calculator

Estimates the energy production and cost of energy of grid-connected photovoltaic (PV) energy systems throughout the world. It allows homeowners, small building owners, installers and manufacturers to

Power Profiler | US EPA

Electricity is produced by many different sources of energy, including, but not limited to, wind, solar, nuclear, and fossil fuels. The type and amount of emissions produced depend on how

Calculate your solar panel output for free with PVGIS

Access to this solar calculator remains completely free while maintaining exceptional accuracy. The tool utilizes reliable information including local climate data, average sunlight exposure, and geographical