Battery Storage Calculators

Calculate payback periods and ROI for home battery systems like Tesla Powerwall and Enphase.

battery

Battery Storage ROI Calculator

Payback period for home battery systems based on your rates, usage, and battery cost.

Open calculator →
battery

Battery Capacity Calculator (Off-Grid)

How much battery capacity do you need for off-grid or backup power?

Open calculator →

Not sure which calculator you need?

Start with the Energy Audit to see where your electricity actually goes.

Run the energy audit