VoltRebates For installers

How much does a home battery cost in Massachusetts after rebates?

The most common job, a tesla Powerwall 3 (13.5 kWh), installed, costs $14,500 before rebates. Most jobs cost between $11,500 and $18,500.

How much does a home battery cost?

ProjectLowTypicalHigh
Tesla Powerwall 3 (13.5 kWh), installed$11,500$14,500$18,500
Enphase IQ Battery 10C (10 kWh), installed$10,500$13,000$16,000
Home battery, generic installed cost per kWh$900$1,100$1,600

What the typical price covers: 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.

These ranges come from Northeast and national installer data. Prices in Massachusetts can be lower or higher, so get two or three quotes.

Is there a rebate for a home battery in Massachusetts?

Yes. We track 2 home battery programs taking applications in Massachusetts.

Which utilities pay home battery rebates?

Most rebates depend on who supplies your power or gas.

UtilityProgramsLargest rebate
National Grid1Varies
Eversource1Varies

How much will I pay after rebates?

Without an open rebate, plan on the full price: about $14,500 for a typical job.

Use the rebate calculator to see what applies at your zip code.

Is there a federal tax credit?

No. The federal credits for heat pumps and batteries (25C and 25D) ended for installs after December 31, 2025.

How do I find a licensed installer in Massachusetts?

We list 32 Massachusetts contractors whose state license covers home battery work. Each one shows its license, and many show a phone number or website.

Sources