Typical home: Close call

Solar in Cary, NC

With Duke Energy Progress's electricity at about 15.9¢ per kWh and 1,378 kWh of sun per kW, solar is a close call for a typical Cary home today: about a 13.4-year payback.

Payback, typical home
13.4 yrsNorth Carolina: 14.2 yrs
25-year net
$24,113after paying $22,770
Sun
1,378kWh per kW per year
Electricity
15.9¢12% below U.S. average

A typical Cary home, by the numbers

UtilityDuke Energy Progress
Electricity use1,046 kWh a month
Best-value system8.2 kW, about 19 panels, 11,297 kWh a year (90% of use)
Cost$22,770
First-year savings$1,737
Payback13.4 years
Exported power3.5¢/kWh (Duke Energy Progress)

Cash purchase, no federal credit, 2.2% yearly rate increases. Run it with your own numbers.

Solar production per kW in Cary

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

Show as a table
PeriodValue
Jan97
Feb95
Mar120
Apr131
May134
Jun133
Jul136
Aug133
Sep116
Oct104
Nov99
Dec80

Homes in Cary

Owner-occupied homes
67%
Single-family detached
59%
Median home value
$580k
Median year built
1999
Population
179,306
Roofs suitable for solar†
74%

Census ACS 2020–2024. †Share of 31,770 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Cary

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

Always verify the license and get at least three quotes. Compare quotes side by side.

Questions about solar in Cary

Is solar worth it in Cary, NC?

For a typical home in Cary, solar is a close call at 2026 prices: a 8.2 kW system costs about $22,770 after state incentives, saves about $1,737 in year one and pays back in about 13.4 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Cary?

About 1,378 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 2% less than the North Carolina average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Cary?

Most homes in Cary are served by Duke Energy Progress, at about 15.9¢ per kWh on average. Some areas are served by Duke Energy Carolinas.

How much do solar panels cost in Cary?

A fair cash price is around $2.85 per watt before incentives, so about $22,770 for a 8.2 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.