Home Battery Cost in Boston, Massachusetts
Local pricing, rebates, backup hours, and outage data for Boston homeowners.
Home Batteries in Boston: What to Know
Boston averages about 7 hours of grid outages a year, which is the main reason homeowners here install storage. A standard 13.5 kWh battery runs your essentials (fridge, lights, internet) for roughly 15 hours and installs for around $16,500 — or about $15,000 after the local rebate of up to $1,500.
On bills, a battery in Boston saves about $870 a year by storing cheap power and using it at peak times (a $0.22/kWh local peak-to-off-peak gap), or roughly $1,183 over 15 years. Note: the 30% federal battery tax credit expired at the end of 2025, so Massachusetts state and utility programs are now the main incentives. The local utility is Eversource MA. Most homeowners buy storage for resilience first — the bill savings are a bonus.
Cost & Backup Breakdown
Standard 13.5 kWh battery in Boston
15-Year Bill Savings Projection
Time-of-use arbitrage only — the backup/resilience value is on top of this.
Available Rebates
Common Questions
How much does a home battery cost in Boston?
A standard 13.5 kWh home battery in Boston, Massachusetts costs about $16,500 installed, or about $15,000 after the state/utility rebate of up to $1,500. The federal 25D battery credit expired December 31, 2025.
How much backup power does a battery give in Boston?
A 13.5 kWh battery runs a Boston home's essentials for about 15 hours. Boston averages roughly 7 hours of grid outages a year, so a single battery covers most events.
Will a battery save money in Boston?
On time-of-use bills, a 13.5 kWh battery saves about $870 per year in Boston — around $1,183 over 15 years. Most Boston homeowners buy a battery primarily for backup power; the bill savings are a bonus.
Compare Battery Costs Near Boston
View all Massachusetts cities →Planning other home-energy upgrades?
Solar, batteries, heat pumps and EV chargers all work together. Run the numbers on the rest of your electrification plan: