Solar Panels Cost $18k-$28k in Warren County, TN | August, 2025
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How much do solar panels cost in Warren County, TN in 2025?
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To go solar is about $3.74/W in Warren County, TN in August, 2025.
Stemming from this price per watt, you are able to come to the conclusion that for every 1000 watts (1 kW) your solar system can produce you will need to spend $3,740 to have your panels installed. Typically, the price of a 5 kW solar installation in Warren County, after you subtract 30% federal tax credit, is around $13,090. Your energy needs could need a larger system.
To your left, you have the option to choose your county and determine the average roof size along with the average maximum capacity for solar panel installations on homes in your area. Shown below is an outline of the price, payback period, and 20-year average savings for a 5 kW system installed in your county.
Average out-of-pocket cost for a 5 kW system The upfront amount spent to buy and install solar.
Warren County: $13,090US Average: $12,523
Average Payback Period The number of years until you break even on the solar investment.
Warren County: 6 yearsUS Average: 7 years
Average Net 20-year savings The total amount of money saved over 20 years minus the out-of-pocket cost.
Warren County: $23,017US Average: $17,429
Solar Potential in Warren County
Estimated system size and solar electricity production per median viable roof in Warren County.
Roof size 858sq. ft.
Capacity 12kW DC
Electricity 14.2kkWh AC per yr.
Electricity Costs in Warren County, TN & What that Means for Your Solar Panel Pricing
Energy consumers in Warren County typically pay 173.82 per month for electricity, consuming an typical of 1,282 kWh. Note that the energy usage for apartments and smaller residences is covered in this number.
The average rate for electricity in Warren County, TN in August, 2025 is 13.56¢ per kWh.
Upfront, an 11 kW solar system is around $41,140, with the federal income tax credit giving you 30% back, lowering the cost to $28,798.
Go Solar for less than your cell phone bill.
Average solar panel costs by system size in Warren County
To the left, we have displayed a thorough price breakdown for multiple solar panel system sizes set up in Warren County. The bigger the solar array, the higher the initial expense, but also the more substantial electricity savings and income tax credits you'll get.
The calculator down and to the right provides a detailed summary of solar panel costs and benefits, based on an average electric bill of $173.82 in Warren County. Adjust the $173.82 to your typical electricity bill payment for more accurate results.
System Size
Roof Size Min. space required
Electricity Value Annual Production
Est. Price
System Size 7kW
Roof Size Min. space required
501 ft²
Electricity Value Annual Production $1,427 a year
Est. Price
$18,326
Savings from a 7kWthis system
Est. yearly production 10,191 kWh
Est. monthly savings $119
Full payback in 9 years
Environmental Impacts
Reduces CO2 emissions by 3.65 tons a year
Equivalent to planting 168 trees a year
Equivalent to driving 9,042 mi less a year
System Size 8kW
Roof Size Min. space required
572 ft²
Electricity Value Annual Production $1,631 a year
Est. Price
$20,944
Savings from a 8kWthis system
Est. yearly production 11,647 kWh
Est. monthly savings $136
Full payback in 10 years
Environmental Impacts
Reduces CO2 emissions by 4.18 tons a year
Equivalent to planting 192 trees a year
Equivalent to driving 10,334 mi less a year
System Size 9kW
Roof Size Min. space required
644 ft²
Electricity Value Annual Production $1,834 a year
Est. Price
$23,562
Savings from a 9kWthis system
Est. yearly production 13,103 kWh
Est. monthly savings $153
Full payback in 11 years
Environmental Impacts
Reduces CO2 emissions by 4.7 tons a year
Equivalent to planting 216 trees a year
Equivalent to driving 11,626 mi less a year
System Size 10kW
Roof Size Min. space required
715 ft²
Electricity Value Annual Production $2,038 a year
Est. Price
$26,180
Savings from a 10kWthis system
Est. yearly production 14,559 kWh
Est. monthly savings $170
Full payback in 13 years
Environmental Impacts
Reduces CO2 emissions by 5.22 tons a year
Equivalent to planting 240 trees a year
Equivalent to driving 12,918 mi less a year
System Size 11kW
Roof Size Min. space required
787 ft²
Electricity Value Annual Production $2,242 a year
Est. Price
$28,798
Savings from a 11kWthis system
Est. yearly production 16,015 kWh
Est. monthly savings $174
Full payback in 14 years
Environmental Impacts
Reduces CO2 emissions by 5.35 tons a year
Equivalent to planting 246 trees a year
Equivalent to driving 13,233 mi less a year
Warren County Solar Panel Installation Incentives & Rebates | 2025
The REAP Grant can potentially cover between 80% and 100% of the installation costs for solar or wind turbines for rural small businesses and farmlands. Not sure if you qualify? Use our REAP Grant eligibility tool to verify.
The federal government offers a 30% tax credit for residential solar systems, which makes solar appealing and sensible for a wide range of homeowners. A variety of state and local programs are in place to support the use of solar energy.
Residents of Tennessee can access 2 solar rebate and incentive programs from a variety of utilities and governmental bodies.
Solar incentives in TNIncentive Description Value
Sales Tax Credit for Clean Energy Technology
Value:Varies
New devices used in the generation, storage, or distribution of "green energy" in Tennessee may be eligible for state sales/use tax exemptions. Qualifying equipment should use solar, wind, geothermal, or hydrogen fuel cell technology and be installed in a Department of Environment-certified facility. To claim the exemption, the installing contractor should submit application paperwork to the Department of Revenue at the time of purchase. The buyer must then fill out a corresponding form. Approved exemptions will be paid as a refund to the contractor.
Pathway Energy Efficiency Loan Program
Value:Varies
Tennessee's Energy Efficiency Loan Program (EELP) is operated by Pathway Lending, a private non-profit operating in multiple states. Through the program, small businesses, local nonprofits, and local governments may obtain special financing for new renewable energy investments and energy efficiency improvements. Repayment plans last up to six years and are typically based on energy savings at below-market interest. To apply, an organization must submit successful proposals and complete an energy audit. Additional information is available from the Pathway Lending website.
Are solar panels worth it in Warren County, TN?
If you intend to own your residence longer than the solar system's payback period, solar panels are a good investment in Warren County. A 5 kW solar system in Warren County, TN might save you an average of $28,626.8 over 20 years, with the break even point generally being 6 years.
The cost of not having solar panels in Warren County, TN
Besides missing out on the savings highlighted earlier, not installing solar panels or an alternative backup energy source results in you being fully reliant on your electric utility for electricity. As illustrated by recent news stories, complete dependence on your utility company isn't always the best scenario.
In recent times, utilities in Warren County have averaged an average of 1.59 outages per customer annually. Usually, outages have an average duration of 118.15 minutes. However, during critical events like grid management errors, heavy rain and flooding or planned maintenance, these times can extend dramatically.
Take a look at the graphic below to see the number of current electricity customers without power in Warren County.
Owning a solar panel system, irrespective of a backup battery, could reduce the strain of any future outages you may encounter.
Power Outages
Currently, 0 customers are being tracked in Warren County.
What impacts the cost of solar panels in Warren County, TN?
Your Energy Needs - With larger solar panel systems, the cost per watt decreases, despite the higher upfront expense. It is often useful for consumers to install a solar system that can generate enough electricity to fully cover their electric bill, which results in substantial savings.
Make & Model - Just like many products, solar panels are available in a range of makes and models. The system preferences of your chosen installer can make it crucial to select a recommended installer. Opting for better quality makes and models can yield a significantly improved long-term experience for the buyer.
Solar Panel Type - It's easy to see why monocrystalline panels are now the preferred option in the industry. These panels cost more but produce a higher energy efficiency. Many installers in the industry use panels crafted of this material.
Your Property - Uneven ground, trees, or other barriers can increase the difficulty of the installation. Solar installers today typically use satellite imagery to evaluate your home and include these factors into the first cost estimate.
Labor Rates - Companies provide different pay rates to their employees, which are then reflected in the prices consumers pay. It is common for businesses that offer higher wages to get better reviews for their services and customer service.
Permitting & Interconnection - Installation costs will be impacted by regularly changing local permitting and utility interconnection fees, depending on the region. Good installers will factor these costs into your preliminary quotes to prevent unexpected expenses.
See what solar panels cost in other Warren County cities
As of August, 2025, the average solar panel installation cost in Warren County, TN has reached $3.74/W. A 5 kW solar panel system will cost you around $13,090 in Warren County, TN after the federal tax credit is applied.
Utilities and government agencies in Tennessee are currently offering 2 different rebates and incentives. On top of that, most individuals are eligible for the 30% federal income tax credit.
Paying cash will ensure the most savings, but these days there are multiple options for financing solar panels that are financially sensible as well. Your preliminary quotes will usually detail financing options available through installers.
Yes, the average 5 kW solar panel payback time in Warren County, TN is 6 years, with expected savings of $28,626.8 on electricity over 20 years.
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