On-Grid / Grid-Tied Solar Calculators

Size, connect and calculate savings for grid-tied solar systems.

10 Free Calculators

Design a complete grid-tied solar system.

Size the right grid-tie inverter for your system.

Estimate the cost of connecting your system to the grid.

Calculate your earnings from feed-in tariff programs.

Estimate how much excess power you can export to the grid.

Find the right size for your grid-tied system.

Calculate battery backup for a grid-tied system.

Calculate the payback period of your grid-tied system.

Estimate your remaining dependency on grid power.

Estimate your savings from a grid-tied solar system.

Ready to Plan Your Solar System?

Explore 200+ free calculators and start designing your ideal solar setup today.

Free, accurate solar, battery, inverter and energy calculators to help you plan and size your solar power system with confidence.