Use our solar panel calculator to find your solar power needs and what panel size would meet them.

Project Sunroof is a solar calculator from Google that helps you map your roof’s solar savings potential. Learn more, get an estimate and connect with providers.

NREL's PVWatts ® Calculator Estimates the energy production of grid-connected photovoltaic (PV) energy systems throughout the world. It allows homeowners, small building owners, installers and manufacturers to easily develop estimates of …

Use this solar panel calculator to quickly estimate your solar potential and savings by address. Estimates are based on your roof, electricity bill, and actual offers in your area. Includes single family homes or up to 4 unit condo buildings. Includes educational and religious institutions.

Calculate how much power you need with these solar calculators to estimate the size and the cost of the solar panel array needed for your home energy usage.

With this next solar panel savings calculator, you will be able to easily estimate your yearly solar savings on electricity. You will need 3 figures to do so: Solar system size. That’s what we calculated in the 1st Solar Power Calculator. Example: 5kW, 8kW, 10kW, or even 15kW system. Peak sun hours in your area.

Dec 13, 2022 · Solar panel cost and savings calculator showing how many solar panels your home needs and likely cost based on current solar system prices, savings & payback period.

Mar 4, 2025 · A Solar Panel and Battery Sizing Calculator is an invaluable tool designed to help you determine the optimal size of solar panels and batteries required to meet your energy needs. By inputting specific details about your energy consumption, this calculator provides tailored insights into the solar setup that will best suit your requirements. ...

Switching to solar is an excellent option for people looking to save money on their monthly utility bills. But how much will it cost to make the switch? Our solar panel calculator can give you a custom estimate for the cost of a system that meets your home’s energy needs. Learn more about our calculator below.

If you have a flat roof or a tilted roof, the MYSUN Solar Calculator will allow you to size your solar system and accurately see the annual solar power generation for any type of roof.