Solar in Lexington: Complete 2026 Guide

Solar in Lexington

Lexington sits in the heart of Kentucky's Bluegrass region with moderate solar conditions. While not a top-tier solar market, Lexington homeowners can still benefit from solar—especially those with environmental goals or those seeking energy independence.

Lexington Solar Reality

• Moderate sunshine: 4.5 peak sun hours daily
• Low electricity rates: $0.11/kWh average
• Limited incentives: Kentucky lacks strong solar programs
• Longer payback: 15-18 years typical
• Environmental value: Still offsets carbon footprint

Lexington Solar Costs

Average System Costs

*Federal 25D credit ended Dec 31, 2025. PPA/Lease options still benefit from 30% through 2027.

Cost Per Watt

• Lexington average: $2.60-3.20 per watt
• Budget installs: $2.40-2.60 per watt
• Premium installs: $3.20-3.75 per watt

Note: Kentucky's smaller solar market may mean slightly higher costs than major solar states due to fewer installers and less competition.

Payback Period

At $0.11/kWh average electricity rates with limited incentives, Lexington homeowners typically see 15-18 year payback periods. This is longer than high-rate states, but solar panels last 25-30 years—still delivering long-term value.

LG&E/KU Service

Lexington is served by Kentucky Utilities (KU), part of the LG&E and KU energy company (a PPL Corporation subsidiary). KU provides the net metering program for Lexington solar customers.

KU Net Metering

• Net metering available: KU offers net metering for residential
• System limit: Up to 45 kW for residential
• Credit rate: Retail rate for excess generation
• Annual true-up: Credits reset yearly

Interconnection Process

Kentucky Incentives

Available Incentives

• KU net metering: Retail rate credits for excess
• No state tax credit: Kentucky offers no solar credit
• No property tax exemption: Solar may increase assessed value
• No sales tax exemption: Sales tax applies to equipment

Federal Options

• Purchased systems: No federal credit (25D ended 2025)
• PPA/Lease: Still benefits from 30% credit through 2027
• Kentucky context: PPA may improve economics significantly

Lexington Considerations

Climate Factors

• Four seasons: Full range of weather conditions
• Snow: Occasional snow, but slides off panels
• Humidity: Summer humidity moderate impact
• Storms: Occasional severe weather, standard risks

Lexington-Specific Factors

• Horse farms: Rural properties often have ideal roof space
• Historic areas: Some downtown restrictions may apply
• Tree coverage: Kentucky's trees may require trimming/removal
• Growing market: More installers entering the region

Production Estimates

• Annual production: 1,200-1,350 kWh per kW installed
• 8 kW system: ~9,600-10,800 kWh/year
• Best months: April-August
• Winter: Shorter days and clouds reduce production

Who Should Consider Solar

• Environmental motivation: Reduce carbon footprint
• Long-term homeowners: Plan to stay 15+ years
• High usage: Above-average electricity consumption
• Energy independence: Solar + battery for resilience

The Bottom Line

Lexington is a modest solar market with longer paybacks. Low electricity rates and limited state incentives mean solar is more about environmental values and energy independence than rapid financial returns.

Key points:

• 15-18 year payback is longer than many states
• KU net metering at retail rates is a positive factor
• PPA/Lease may offer better economics than purchase
• Environmental benefits still significant
• Best for long-term homeowners with environmental goals