Typical home: Worth it

Solar in Dover, DE

With City of Dover's electricity at about 16.8¢ per kWh and 1,399 kWh of sun per kW, solar is worth it for a typical Dover home today: about a 13.2-year payback.

Payback, typical home
13.2 yrsDelaware: 12.3 yrs
25-year net
$24,658after paying $21,350
Sun
1,399kWh per kW per year
Electricity
16.8¢7% below U.S. average

A typical Dover home, by the numbers

UtilityCity of Dover
Electricity use813 kWh a month
Best-value system7 kW, about 16 panels, 9,790 kWh a year (100% of use)
Cost$21,350
First-year savings$1,582
Payback13.2 years
Exported powerFull retail net metering (Delaware rule)

Cash purchase, no federal credit, 2.5% 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
Jan86
Feb95
Mar112
Apr139
May149
Jun138
Jul148
Aug142
Sep122
Oct107
Nov85
Dec76

Homes in Dover

Owner-occupied homes
47%
Single-family detached
40%
Median home value
$259k
Median year built
1983
Population
39,837
Roofs suitable for solar†
77%

Census ACS 2020–2024. †Share of 8,303 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Dover

Public installation records for Delaware don't name installers, so we can't rank local companies here. Browse installers in Delaware.

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, DE?

For a typical home in Dover, solar is worth it at 2026 prices: a 7 kW system costs about $21,350 after state incentives, saves about $1,582 in year one and pays back in about 13.2 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Dover?

About 1,399 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% more than the Delaware 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 City of Dover, at about 16.8¢ per kWh on average. Some areas are served by Delmarva Power, Delaware Electric Cooperative.

How much do solar panels cost in Dover?

A fair cash price is around $3.05 per watt before incentives, so about $21,350 for a 7 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.