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.
Enrollment incentive $30/kWh (standard) or $130/kWh (grid-edge circuits); plus performance payments of $300/kW (standard), $450/kW (underserved) or $550/kW (low-income) paid over 10 years based on average kW...
OpenConnecticut Green Bank with Eversource and UI (PURA)Checked 2026-10-10
Home battery installers
No licensed installer is based here yet. Ask for quotes and we'll match you with installers from nearby towns.