LG&E and solar
LG&E is an investor-owned utility serving about 388,146 homes in Kentucky. Here's what its rates and export rules mean for solar: for a typical customer, solar is not worth it.
- Average price (2026 est.)
- 13.2¢5% below Kentucky average
- Typical bill
- $123937 kWh a month
- Exports credited
- 7.089¢Net billing (reduced export credit)
- Typical payback
- 20.5 yrs4.2 kW, cash
Export rules for LG&E customers
Net billing (reduced export credit) — about 7.089¢ per exported kWh, varies netting.
NMS-2 export credit $0.07089/kWh per March 4, 2026 corrected order in Case 2025-00114. Grandfathered NMS-1 customers (pre-2021) keep 1:1 for 25 years.
Solar for a typical LG&E home
| System | 4.2 kW (50% of 937 kWh/month) |
|---|---|
| Cost | $13,370 |
| First-year savings | $656 |
| Payback | 20.5 years |
| 25-year net | $3,685 |
Uses the utility's average price.
Solar adoption
- Homes with solar (2025)
- 3,337
- Share of customers
- 0.9%
- Residential solar capacity
- 26 MW
- Residential customers
- 388,146
EIA-861, 2025.
Cities served
Questions about LG&E and solar
Does LG&E have net metering?
NMS-2 export credit $0.07089/kWh per March 4, 2026 corrected order in Case 2025-00114. Grandfathered NMS-1 customers (pre-2021) keep 1:1 for 25 years. Exported power is credited at about 7.089¢ per kWh.
How much does electricity cost with LG&E?
Residential customers paid an average of 12.4¢ per kWh in 2025 (EIA), about 13.2¢ adjusted to 2026. The typical home uses 937 kWh a month, a bill of about $123.
Is solar worth it with LG&E?
For a typical customer, solar is not worth it: a 4.2 kW system costing about $13,370 pays back in about 20.5 years, with $3,685 net over 25 years.
How many LG&E customers have solar?
About 3,337 homes had net-metered solar at the end of 2025, roughly 0.9% of residential customers (EIA-861).
Legal name: Louisville Gas & Electric Co (EIA ID 11249). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.