Solar in Jeffersontown, KY
With LG&E's electricity at about 13.2¢ per kWh and 1,326 kWh of sun per kW, solar is not worth it for a typical Jeffersontown home today: about a 20.6-year payback.
- Payback, typical home
- 20.6 yrsKentucky: 18.7 yrs
- 25-year net
- $3,528after paying $13,370
- Sun
- 1,326kWh per kW per year
- Electricity
- 13.2¢27% below U.S. average
A typical Jeffersontown home, by the numbers
| Utility | LG&E |
|---|---|
| Electricity use | 937 kWh a month |
| Best-value system | 4.2 kW, about 10 panels, 5,569 kWh a year (50% of use) |
| Cost | $13,370 |
| First-year savings | $650 |
| Payback | 20.6 years |
| Exported power | 7.089¢/kWh (LG&E) |
Cash purchase, no federal credit, 2.5% yearly rate increases. Run it with your own numbers.
Homes in Jeffersontown
- Owner-occupied homes
- 70%
- Single-family detached
- 68%
- Median home value
- $251k
- Median year built
- 1978
- Population
- 29,199
- Roofs suitable for solar†
- 90%
Census ACS 2020–2024. †Share of 9,714 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Jeffersontown
Public installation records for Kentucky don't name installers, so we can't rank local companies here. Browse installers in Kentucky.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Jeffersontown
Is solar worth it in Jeffersontown, KY?
For a typical home in Jeffersontown, solar is not worth it at 2026 prices: a 4.2 kW system costs about $13,370 after state incentives, saves about $650 in year one and pays back in about 20.6 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Jeffersontown?
About 1,326 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the Kentucky average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Jeffersontown?
Most homes in Jeffersontown are served by LG&E, at about 13.2¢ per kWh on average. Some areas are served by Salt River Electric Cooperative.
How much do solar panels cost in Jeffersontown?
A fair cash price is around $2.85 per watt before incentives, so about $13,370 for a 4.2 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Louisville 20.5 yrs
- Frankfort 22.2 yrs
- Elizabethtown 18.9 yrs
- Georgetown 20.5 yrs
- Nicholasville 20 yrs
- Lexington 20 yrs
- Florence 19.2 yrs
- Independence 19.1 yrs
- All of Kentucky
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.