Battery Economics Preview

Screen whether a home battery is mainly a resilience purchase, a TOU bill-arbitrage play, or a strong solar-pairing upgrade before you ask installers for quotes.

Battery assumptions

ZIP codeBattery size

13.5 kWh

Installed costCritical load during outage

1.5 kW

Outage hours you care about

6 hrs/year

Time-of-use spread

10 cents/kWh

Run the battery preview

Wattfull will estimate backup coverage, directional arbitrage value, a rough payback, and what kind of backup product fits the load you actually care about.