Plug-In Solar in Kentucky — Status: unclear
Last Updated: March 2026
Key Information
| Average Electricity Rate | 11.8¢/kWh |
| Estimated Annual Savings | $135/year |
| TOU Rate Spread | 3¢/kWh |
| Peak Sun Hours/Day | 4.4 |
| Retail Choice | none |
What You Can Do
No specific plug-in solar law. Traditional rooftop solar available. LG&E and KU offer solar programs.
What You Can't Do (Yet)
Utilities require interconnection agreements for grid-tied systems.
Available Rebates & Incentives
Net metering available through LG&E and KU. No active state solar tax credit or rebate in Kentucky. The federal 30% ITC (Section 25D) expired December 31, 2025.
Incentive Program Links
- DSIRE — Kentucky Solar Incentives — Full list of Kentucky state and utility solar incentive programs.
Demographics (US Census 2023)
| Population | 4,588,372 |
| Total Households | 1,814,469 |
| Owner-Occupied | 1,239,080 |
| Renter-Occupied | 581,904 |
| Single-Family Homes | 1,156,003 |
| Apartment Units (5+) | 182,068 |
| Median Household Income | $63,726 |
| Median Home Value | $205,600 |
Solar Resource Data (NREL PVWatts)
| Peak Sun Hours/Day | 4.87 |
| Optimal Tilt Angle | 20° |
| Optimal Azimuth | Due South (180°) |
| Est. Annual kWh (800W system) | 1120 kWh |
| Best Solar Months | April–August |
Major Utilities
| Utility | Customers | Net Metering |
|---|---|---|
| LG&E | ~443000 customers | Yes |
| Kentucky Utilities | ~581000 customers | Yes |
| Kentucky Power | ~162000 customers | Yes |