Solar Calculators Hub
Personalized tools to help you make better renewable energy decisions
Use our suite of free calculators to analyze every aspect of your transition to renewable energy. From basic cost estimates to complex battery and EV scenarios.
DISCLAIMER: All estimates are approximations based on regional averages. Actual savings vary by location, roof orientation, utility provider, and installer. This calculator does not guarantee specific savings.
Solar Panel Calculator
Calculate your solar panel cost, system size, and ROI based on your state and utility rates.
Best for homeowners starting their solar research.
Solar Panel Calculator + EV Charging
Compare the cost of charging an Electric Vehicle with grid power vs. home solar.
Best for current or future EV owners.
Solar Panel Calculator + Battery Storage
Calculate solar panel and battery storage ROI. Determine the backup duration of adding a home battery.
Best for areas with frequent outages or TOU rates.
Utility Rate Projection Calculator
Project how much you will pay your utility company over the next 10-30 years if you do not switch to solar.
Best for understanding the "cost of doing nothing".
Solar Lease vs Buy Calculator
Compare the long-term financial impact of buying solar with cash, financing with a loan, or signing a lease/PPA.
Best for comparing financing options.