Solar in Nashua, NH
With Eversource New Hampshire's electricity at about 27.2¢ per kWh and 1,270 kWh of sun per kW, solar is worth it for a typical Nashua home today: about a 9.8-year payback.
- Payback, typical home
- 9.8 yrsNew Hampshire: 10 yrs
- 25-year net
- $44,174after paying $21,980
- Sun
- 1,270kWh per kW per year
- Electricity
- 27.2¢51% above U.S. average
A typical Nashua home, by the numbers
| Utility | Eversource New Hampshire |
|---|---|
| Electricity use | 634 kWh a month |
| Best-value system | 6.6 kW, about 15 panels, 8,379 kWh a year (110% of use) |
| Cost | $21,980 |
| First-year savings | $2,212 |
| Payback | 9.8 years |
| Exported power | Reduced export credit (Eversource New Hampshire) |
Cash purchase, no federal credit, 2.9% yearly rate increases. Run it with your own numbers.
Homes in Nashua
- Owner-occupied homes
- 56%
- Single-family detached
- 45%
- Median home value
- $404k
- Median year built
- 1975
- Population
- 91,294
- Roofs suitable for solar†
- 72%
Census ACS 2020–2024. †Share of 16,664 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Nashua
Public installation records for New Hampshire don't name installers, so we can't rank local companies here. Browse installers in New Hampshire.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Nashua
Is solar worth it in Nashua, NH?
For a typical home in Nashua, solar is worth it at 2026 prices: a 6.6 kW system costs about $21,980 after state incentives, saves about $2,212 in year one and pays back in about 9.8 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Nashua?
About 1,270 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% less than the New Hampshire average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Nashua?
Most homes in Nashua are served by Eversource New Hampshire, at about 27.2¢ per kWh on average.
How much do solar panels cost in Nashua?
A fair cash price is around $3.30 per watt before incentives, so about $21,980 for a 6.6 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Manchester 9.9 yrs
- Concord 10.9 yrs
- Dover 9.4 yrs
- Rochester 9.7 yrs
- All of New Hampshire
Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.