Cost of Solar Panels in Kentucky (2026)

How much do solar panels cost in Kentucky?

Installing residential solar panels can cost from $10,000 to $30,000 or more. On the high end, Jon in Vine Grove told us he paid around $87,000 for his system last year.

With professional installation, a typical 8-kilowatt (kW) residential solar panel system in Kentucky costs $21,028. That price drops to $14,647 after the full federal solar investment tax credit (ITC). This doesn’t include a solar storage battery, which can cost as much as the panels. Solar batteries are a must if you want real energy independence and essential if you go off-grid.

Average solar panel costs by system size in Kentucky

Are solar panels worth it in Kentucky?

It’s a common misconception that solar panels eliminate your monthly power bill, but this isn’t always true. On the bright side, many people who still have a bill pay significantly less than before. Over 25 years, Kentucky homeowners with solar panels can avoid approximately $18,380 in total utility costs.

“The high cost of electricity is what brought me to looking into solar energy,” Jessie in Lexington told us. Since installing panels, their electricity bill has been “quite low.” Another resident, Angela in Manchester, told us going solar “pays for itself in no time at all.” The estimated payback period for solar panels in Kentucky is currently 18.38 years.

Homeowners with solar panels typically save $20,000 to $90,000 over 25 years.

Kentucky doesn’t get as much sun as Southwestern states, but it still gets enough to make solar panels productive.  We suggest using the National Renewable Energy Laboratory's PVWatts Calculator to estimate how much electricity a solar panel can produce over a year on your house — just type in your address. Project Sunroof is a free solar savings estimator powered by Google Earth imagery.

Ultimately, whether solar panels are worth it for you depends on a combination of factors related to costs, incentives, energy savings and individual circumstances. If your house is a good candidate for solar panels, it’s at least worth considering in Kentucky.

» STILL NOT SURE? Solar energy pros and cons

Solar panel installation cost factors in Kentucky

The size of your solar panel system is a big factor in your overall solar costs. The average size of solar systems in Kentucky is 7.3 kW. Depending on your household energy usage, you might need a smaller or larger system.

The equipment — solar panels, inverters, mounting hardware and other electrical accessories — is typically the largest portion of your overall total costs (approximately 25% to 50%). Labor, which includes planning, preparing and connecting your system to the grid, accounts for 10% to 30%. Local permits and fees are a small part of your overall costs.

Solar panels

Most of your solar equipment costs come down to how much you pay for solar panels. You’ll hear installers talk about how “efficient” their panels are. Solar panel efficiency is a measure of how well a panel makes electricity. The more efficient the solar panels you buy are, the fewer panels you need. While more efficient panels cost a little more, you save by buying fewer panels.

In general, monocrystalline panels are considered the best bang for your buck. Cheaper solar panels are typically polycrystalline. The difference comes down to efficiency and materials: Monocrystalline panels are made from pure, single silicon crystals; various silicon fragments melted together are used to make polycrystalline panels.

Additional solar equipment costs

Solar arrays also contain mounting equipment, wiring and other devices, such as inverters, batteries or a monitoring system.

• Solar batteries: A battery stores energy for later use. It’s a must if you want real energy independence, and they sometimes cost as much as the panels. Prices often depend on the battery’s storage capacity, lifespan, brand and other factors. Expect to pay between $7,000 and $18,000, though some cost $30,000 or more.
• Solar inverter: Inverters convert the electricity generated by your solar panels from direct current (DC) to alternating current (AC). Inverter costs usually range from $1,000 to $3,000.
• Monitoring system: Some companies include a solar monitoring system to track how much energy your system produces and if there are any problems. If not, you can buy a stand-alone system for $80 to $400.

Condition of your roof

Quality solar panels should last 25 to 30 years, and your roof needs to last just as long. If you want to ensure a seamless and cost-effective solar journey, your roof must match the system's longevity. Get your roof inspected, fixed or replaced before you go solar.

ConsumerAffairs often hears from disgruntled solar customers who felt blindsided by expensive roof repairs needed after their solar panel installation was complete. This is a frustrating and expensive process you should avoid if you can.

Labor costs

Solar equipment costs are decreasing, but labor costs are higher than ever in some areas. Installing solar panels yourself might initially seem cheaper because you'll save on labor costs. However, it's crucial to consider several factors for safety before going the DIY route. If not installed correctly, solar panels pose safety risks, causing roof leaks and other problems.

Other cost factors

Solar panels require minimal maintenance, but potential repair or replacement of components, periodic cleaning and system monitoring can also add to the lifetime cost. Depending on your municipality, there may be fees associated with permitting, inspections and connecting your system to the local power grid.

How can I pay for solar panels?

You can pay cash, but most people finance or lease the equipment. A solar loan works a lot like any other type of loan: There’s an application and approval process, and you pay it back over time (with interest). A solar lease works like a car lease: You get to use the panels but don’t own them. Solar lease agreements typically last 20 to 25 years.

» SOLAR PANELS: Lease vs. buy

How to save money on solar panels in Kentucky

There’s no way around it — solar panel installations are expensive. Here are some tips to make it cheaper.

• Compare quotes: Get quotes from at least three or four solar companies.
• Lower your electrical load: For example, replacing an old refrigerator with a more eco-friendly one reduces your electric load, which also helps lower your utility bill. If you use less electricity, you need fewer solar panels, making the whole system cheaper.

» MORE: Why are solar panels so expensive?

Solar incentives, tax credits and rebates in Kentucky

The federal solar investment tax credit (ITC) is the best financial incentive for most homeowners going solar in Kentucky. The ITC credits 30% of the system’s total cost — including equipment, labor and permits — toward what you owe on federal income taxes.

For example, if you spend $10,000 installing a solar panel system, the ITC is worth $3,000. If you owe $15,000 in taxes, the credit reduces your debt to $12,000. You can't take advantage of it if you don’t owe taxes in the first place.

Additional solar incentives in Kentucky include the new Solar for All (SFA) program. SFA is designed to make solar energy more affordable for low-income families, especially those facing high energy bills. SFA works alongside other services, like heating assistance and weatherproofing homes, to boost energy savings, improve home resilience and cut down on harmful emissions.

Compare solar installation companies in Kentucky

We compared ratings and reviews, equipment options, warranties, availability and other factors to pick the top solar companies in Kentucky.

FAQ

Bottom line

Residential solar panel system costs typically fall between $10,000 and $30,000 or higher, depending on factors like the system's size, local labor rates and available incentives. Kentucky homeowners with solar panels can typically save more than that in total avoided energy costs over the lifetime of a system.

The ConsumerAffairs Research Team has conducted extensive research to compare the costs of going solar in Kentucky and other states.

Solar costs vs. savings: Kentucky and nearby states