Home Battery Cost in Derry, New Hampshire
Local pricing, rebates, backup hours, and outage data for Derry homeowners.
Home Batteries in Derry: What to Know
Derry averages about 8 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 $15,500.
On bills, a battery in Derry saves about $619 a year by storing cheap power and using it at peak times (a $0.15/kWh local peak-to-off-peak gap), or roughly -$3,994 over 15 years. Note: the 30% federal battery tax credit expired at the end of 2025, so New Hampshire state and utility programs are now the main incentives. The local utility is Eversource NH. Most homeowners buy storage for resilience first — the bill savings are a bonus.
Cost & Backup Breakdown
Standard 13.5 kWh battery in Derry
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 Derry?
A standard 13.5 kWh home battery in Derry, New Hampshire costs about $15,500 installed. The federal 25D battery credit expired December 31, 2025.
How much backup power does a battery give in Derry?
A 13.5 kWh battery runs a Derry home's essentials for about 15 hours. Derry averages roughly 8 hours of grid outages a year, so a single battery covers most events.
Will a battery save money in Derry?
On time-of-use bills, a 13.5 kWh battery saves about $619 per year in Derry — around -$3,994 over 15 years. Most Derry homeowners buy a battery primarily for backup power; the bill savings are a bonus.
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: