Cheaper Home Batteries Discount Estimator (STC factor)
Estimate the dollar value of the federal battery discount from your battery's effective usable kWh, the STC factor for the installation period and a range of STC prices.
Tools
Interactive tools that run in your browser. Nothing you type is sent to a server.
Installed Battery Cost Estimator (before and after the discount)
Get an illustrative price range for a home battery from its usable capacity and installation type, plus extra site work, to sanity-check installer quotes.
Home Battery Payback Calculator
Estimate how many years a home battery takes to pay back from its net cost after incentives, your yearly bill saving and a yearly change in that saving.
Home Battery Quote and Contract Checklist
Tick off the eligibility, quote, contract, VPP and installation-day checks before you accept a home battery quote.