Is there a limit to the amount of solar panels a house can have in Tennessee?

As a general rule, unless there are local limitations, the main limitations to the amount of solar panels you can put on your roof are the available space on your roof, your electricity usage, your providers net metering rules, and the limitations of your house hold electrical system.

How much to install solar panels in Tennessee?

Based on our research the average price per installed watt is $3.58 in Tennessee. This means for a 10kW system you can expect to pay $35,785 though pricing can vary significantly between installers based on the projects requirements.

How much do solar panels add to house value in Tennessee?

Based on a Zillow research study from 2019, home with solar panels sell for roughly 4.1% more.

What direction should solar panels face in Tennessee?

To generate the most power, solar panels in the United States should face true south as this generally results in the solar panels receiving the most light each day throughout the course of the year. That said, given that energy prices are often variable throughout the day, your installer may recommend you rotate your panels slightly so that the panels will receive more light at the end of the day when energy prices can be more expensive. That said, for most consumers the positioning of solar panels is highly dependent on your home's roof.

How many solar panel installers in Tennessee?

Based on our continuously updated database of solar installers, we have found 26 verified solar install companies in Tennessee

Solar Energy in Tennessee

Solar Rates, Incentives, Plans & Statistics

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Going solar in Tennessee

In Tennessee, an average home needs a 10kW solar system in order cover most of their electricity needs. Given the average residential price-per-watt of $3.58 in Tennessee, a 10kW system can cost around $35,785 depending on applicable rebates and other factors.

Select your county by clicking on the map and see the potential generated solar power and panel pricing. See how it compares with the US state average.

Average out-of-pocket cost for a 5 kW system The upfront amount spent to buy and install solar.

Tennessee: $17,892US Average: $18,170

Average Payback Period The number of years until you break even on the solar investment.

Tennessee: 10 yearsUS Average: 11 years

Average Net 20-year savings The total amount of money saved over 20 years minus the out-of-pocket cost.

Tennessee: $16,202US Average: $14,954

Solar Potential in Tennessee

Estimated system size and solar electricity production per median viable roof in
Tennessee.

Roof size 858sq. ft.

Capacity 12kW DC

Electricity 14.2kkWh AC per yr.

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Compare solar panels by system size in Tennessee

Get the most value out of your roof by comparing the different benefits a given system size has.

System Size 6kW

Roof Size Min. space required

429 ft²

Electricity Value Annual Production $1,048 a year

Est. Price

$21,471

Savings from a 6kWthis system

Est. yearly production 8,549 kWh
Est. monthly savings $87
Full payback in 20 years

Environmental Impacts

Reduces CO2 emissions by 2.69 tons a year
Equivalent to planting 123 trees a year
Equivalent to driving 6,651 mi less a year

System Size 7kW

Roof Size Min. space required

501 ft²

Electricity Value Annual Production $1,223 a year

Est. Price

$25,049

Savings from a 7kWthis system

Est. yearly production 9,974 kWh
Est. monthly savings $102
Full payback in 20 years

Environmental Impacts

Reduces CO2 emissions by 3.14 tons a year
Equivalent to planting 144 trees a year
Equivalent to driving 7,760 mi less a year

System Size 8kW

Roof Size Min. space required

572 ft²

Electricity Value Annual Production $1,397 a year

Est. Price

$28,628

Savings from a 8kWthis system

Est. yearly production 11,399 kWh
Est. monthly savings $116
Full payback in 20 years

Environmental Impacts

Reduces CO2 emissions by 3.58 tons a year
Equivalent to planting 165 trees a year
Equivalent to driving 8,869 mi less a year

System Size 9kW

Roof Size Min. space required

644 ft²

Electricity Value Annual Production $1,572 a year

Est. Price

$32,206

Savings from a 9kWthis system

Est. yearly production 12,824 kWh
Est. monthly savings $131
Full payback in 20 years

Environmental Impacts

Reduces CO2 emissions by 4.03 tons a year
Equivalent to planting 185 trees a year
Equivalent to driving 9,977 mi less a year

System Size 10kW

Roof Size Min. space required

715 ft²

Electricity Value Annual Production $1,747 a year

Est. Price

$35,785

Savings from a 10kWthis system

Est. yearly production 14,249 kWh
Est. monthly savings $142
Full payback in 21 years

Environmental Impacts

Reduces CO2 emissions by 4.37 tons a year
Equivalent to planting 201 trees a year
Equivalent to driving 10,815 mi less a year

Current utility bill:

Tennessee solar incentives, tax credit, and rebates

Tennessee has 2 rebates and tax credits that you may be eligable for. Visit the official links for more details to see if you apply.

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.

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Frequently Asked Questions

As a general rule, unless there are local limitations, the main limitations to the amount of solar panels you can put on your roof are the available space on your roof, your electricity usage, your providers net metering rules, and the limitations of your house hold electrical system.
Based on our research the average price per installed watt is $3.58 in Tennessee. This means for a 10kW system you can expect to pay $35,785 though pricing can vary significantly between installers based on the projects requirements.
Based on a Zillow research study from 2019, home with solar panels sell for roughly 4.1% more.
To generate the most power, solar panels in the United States should face true south as this generally results in the solar panels receiving the most light each day throughout the course of the year. That said, given that energy prices are often variable throughout the day, your installer may recommend you rotate your panels slightly so that the panels will receive more light at the end of the day when energy prices can be more expensive. That said, for most consumers the positioning of solar panels is highly dependent on your home's roof.
Based on our continuously updated database of solar installers, we have found 26 verified solar install companies in Tennessee