Home battery installers in Washington, CA

6 rebate programs available. 1 licensed installer based in Washington.

What it really costs in Washington

A typical tesla powerwall 3 (13.5 kwh), installed costs $14,500 installed. Most jobs land between $11,500 and $18,500 (one powerwall 3 (13.5 kwh, integrated hybrid inverter), backup gateway/backup switch, wiring, mounting, permit, interconnection paperwork, commissioning. expansion units extra (~$6,000 each). excludes main-panel or service upgrade (+$3,000-$5,000 where needed) and solar.). We haven't found a rebate for this project here right now.

Cost sources: EnergySage - Tesla Powerwall 3 review (typical installed ~ $13,473, ~ $998/kWh); EnergySage - 2026 cost of energy storage in New Jersey ($1,074/kWh; 13 kWh avg $13,963, range $11,869-$16,057); EnergySage - 2026 cost of energy storage in Connecticut ($1,167/kWh). Rebates come with conditions (equipment, income, approved contractor), so check each program.

Home battery rebates in Washington

SGIP Equity and Small Residential Storage (general market) budgets

CLOSED: these ratepayer budgets stopped taking new applications, including waitlist entries, after 2025-12-30. The Equity budget rate was $0.85/Wh. The final general-market step rate was not confirmed.

Not taking applications California Public Utilities Commission (PG&E, SCE,... Not yet confirmed

Home battery installers

Amell Construction INC

Washington, 95986
50
Home batteryEV chargerStandby generatorHeat pump
C-10 Electrical, C-20 Warm-Air... 639113 Licensed since 1992