Home Battery Calculator

Plan for peace of mind with a custom energy backup solution.

Use this interactive calculator to estimate the battery size you’ll need to keep your home running during outages—and see how much you can save under NEM 3.0 and Time-of-Use (TOU) utility plans. Just enter your home size, select the appliances you want to power, and slide to explore different battery sizes and costs.

Home Size (sq ft):
Appliances / Devices (Qty):

Refrigerator (~300W) Freezer (~150W) LED Lights (~75W) WiFi Router (~100W) TV / Media (~600W) Window A/C (~500W) Mini Split (~1200W) Well Pump (~750W) Electric Oven (~1000W) Water Heater (~1500W) Microwave (~800W) Dishwasher (~1200W) Washing Machine (~500W) Electric Dryer (~3000W) EV Charger (~7000W) Computer (~150W) Hot Tub (~5000W) Pool Pump (~2000W)

Other Device Wattage (W): Battery Size (kWh):

10 kWh

Estimated Backup Time

—

Cost per Installed kWh: $1,850

Total System Cost: $18,500

⚡ NEM 3.0 & TOU Benefits

Est. Daily Peak Offset: $–

Est. Annual Savings: $–

Based on shifting 3 kWh/day from peak ($0.60/kWh). Actual savings depend on usage and solar charging.

💸 Incentives & Tax Credits

📌 30% Federal Tax Credit (ITC) on full system cost
📌 California SGIP battery rebate (varies by utility & income)
📌 NEM 3.0 optimization for self-consumption
📌 Property tax exclusion for solar + storage in CA
📌 Utility-specific battery programs (e.g., SCE, PG&E, SDG&E)

Incentives vary by location and may require solar interconnection or income qualification.

Questions or Ready to Get Started?

We’re here to help you find the right backup system for your lifestyle, budget, and home layout. Contact us today for a site-specific consultation and detailed quote.

Get Started