Typical home: Worth it

Solar in Dover, NH

With Eversource New Hampshire's electricity at about 27.2¢ per kWh and 1,348 kWh of sun per kW, solar is worth it for a typical Dover home today: about a 9.4-year payback.

Payback, typical home
9.4 yrsNew Hampshire: 10 yrs
25-year net
$45,504after paying $20,860
Sun
1,348kWh per kW per year
Electricity
27.2¢51% above U.S. average

A typical Dover home, by the numbers

UtilityEversource New Hampshire
Electricity use634 kWh a month
Best-value system6.2 kW, about 14 panels, 8,357 kWh a year (110% of use)
Cost$20,860
First-year savings$2,207
Payback9.4 years
Exported powerReduced export credit (Eversource New Hampshire)

Cash purchase, no federal credit, 2.9% yearly rate increases. Run it with your own numbers.

Solar production per kW in Dover

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan82
Feb96
Mar131
Apr121
May142
Jun134
Jul148
Aug139
Sep119
Oct97
Nov70
Dec70

Homes in Dover

Owner-occupied homes
53%
Single-family detached
41%
Median home value
$437k
Median year built
1976
Population
33,364
Roofs suitable for solar†
61%

Census ACS 2020–2024. †Share of 4,423 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Dover

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 Dover

Is solar worth it in Dover, NH?

For a typical home in Dover, solar is worth it at 2026 prices: a 6.2 kW system costs about $20,860 after state incentives, saves about $2,207 in year one and pays back in about 9.4 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Dover?

About 1,348 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 6% more than the New Hampshire average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Dover?

Most homes in Dover are served by Eversource New Hampshire, at about 27.2¢ per kWh on average.

How much do solar panels cost in Dover?

A fair cash price is around $3.30 per watt before incentives, so about $20,860 for a 6.2 kW system. There's no federal tax credit for homeowners who buy in 2026.

Nearby

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.