Solar in King of Prussia, PA
With PECO Energy's electricity at about 20.6¢ per kWh and 1,301 kWh of sun per kW, solar is worth it for a typical King of Prussia home today: about a 10-year payback.
- Payback, typical home
- 10 yrsPennsylvania: 9.9 yrs
- 25-year net
- $42,750after paying $21,000
- Sun
- 1,301kWh per kW per year
- Electricity
- 20.6¢14% above U.S. average
A typical King of Prussia home, by the numbers
| Utility | PECO Energy |
|---|---|
| Electricity use | 763 kWh a month |
| Best-value system | 7 kW, about 16 panels, 9,106 kWh a year (99% of use) |
| Cost | $21,000 |
| First-year savings | $1,791 |
| Payback | 10.0 years |
| Exported power | Full retail net metering (PECO Energy) |
Cash purchase, no federal credit, 3.5% yearly rate increases. Run it with your own numbers.
Homes in King of Prussia
- Owner-occupied homes
- 46%
- Single-family detached
- 33%
- Median home value
- $436k
- Median year built
- 1978
- Population
- 25,857
- Roofs suitable for solar†
- 86%
Census ACS 2020–2024. †Share of 5,063 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in King of Prussia
Public installation records for Pennsylvania don't name installers, so we can't rank local companies here. Browse installers in Pennsylvania.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in King of Prussia
Is solar worth it in King of Prussia, PA?
For a typical home in King of Prussia, solar is worth it at 2026 prices: a 7 kW system costs about $21,000 after state incentives, saves about $1,791 in year one and pays back in about 10 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in King of Prussia?
About 1,301 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% more than the Pennsylvania average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in King of Prussia?
Most homes in King of Prussia are served by PECO Energy, at about 20.6¢ per kWh on average.
How much do solar panels cost in King of Prussia?
A fair cash price is around $3.00 per watt before incentives, so about $21,000 for a 7 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Norristown 10.1 yrs
- Drexel Hill 9.9 yrs
- Philadelphia 9.8 yrs
- Chester 9.9 yrs
- Levittown 9.8 yrs
- Reading 10.1 yrs
- Allentown 10.1 yrs
- Bethlehem 10.2 yrs
- All of Pennsylvania
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.