This home solar battery storage calculator estimates the cost of adding battery storage to a solar setup, along with the potential savings from storing excess energy for use at night or during an outage rather than exporting it back to the grid at a lower rate.
Home Solar Battery Storage Calculator
Calculate required battery capacity (kWh), backup backup duration, and estimated energy savings.
kWh
days
%
$
kWh
$
Energy Flow Breakdown
System Sizing & Financial Summary
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Whether battery storage is worth it depends heavily on your situation — our article on is solar battery storage worth it for your home walks through the main factors, including local electricity rates and how often your area experiences outages. If you’re evaluating this as part of a larger home investment, our home ROI calculator can help you weigh the cost against the expected return.