A Typical 13.5 kWh Battery in California
Backup, cost, and time-of-use bill savings
Installed Cost
$15,500
State Rebate
None
Net Cost
$15,500
Backup (essentials)
15 hrs
Avg Outages
10 hrs/yr
Bill Savings/yr
$1,397
Bill-Savings Payback
11.1 yrs
15-Year Savings
$10,482
California Battery Rebates
✕
Federal 25D Credit (Expired Dec 31, 2025)
The 30% federal Residential Clean Energy Credit covered standalone home batteries through December 31, 2025. Batteries installed in 2026 no longer qualify.
Varies
California State & Utility Programs
California's SGIP battery rebate budgets closed Dec 31, 2025. High time-of-use spreads and wildfire/PSPS outages still make batteries compelling. View full rebate detail →
Battery Backup & Savings by City in California
| City | Bill Savings/yr | Outage Hrs/yr | Population ↓ | Utility |
|---|---|---|---|---|
| Los Angeles | $1,233 | 12 hrs | 3,898,747 | Los Angeles DWP |
| San Diego | $1,305 | 10 hrs | 1,386,932 | San Diego Gas & Electric |
| San Jose | $1,453 | 12 hrs | 1,013,240 | Pacific Gas & Electric |
| San Francisco | $1,473 | 8 hrs | 873,965 | Pacific Gas & Electric |
| Fresno | $1,417 | 12 hrs | 542,107 | Pacific Gas & Electric |
| Sacramento | $1,437 | 7 hrs | 513,624 | SMUD |
| Long Beach | $1,365 | 8 hrs | 466,742 | Southern California Edison |
| Oakland | $1,581 | 13 hrs | 440,646 | Pacific Gas & Electric |
| Bakersfield | $1,461 | 9 hrs | 403,455 | Pacific Gas & Electric |
| Anaheim | $1,249 | 10 hrs | 350,365 | Southern California Edison |
Home Battery Savings Calculator
Instant estimate — no email required
A typical home battery (e.g. a Tesla Powerwall) is ~13.5 kWh.
Quick Facts: California
- 🔌 Avg outages: 10 hrs/yr
- ⚡ Electricity: $0.220/kWh
- 📊 Peak/off-peak gap: $0.35/kWh
- 🏭 Top utility: Pacific Gas & Electric