State Overview
Tennessee
National Solar Capacity Ranking: 33rd
National Solar Capacity Ranking: 15th
Updated September 2026
Tennessee State Solar Overview
SEIA is working to strengthen TenneSEIA’s role as a regional advocate in the Tennessee Valley to expand solar procurement for commercial and industrial customers. Efforts are focused on advancing policies that enable greater access to solar, including clarifying third-party ownership structures such as PPAs and supporting a stable, business-friendly policy environment for solar investment.
Tennessee Major Solar and Storage Projects
SEIA’s Major Solar and Storage Projects List is a database of all U.S. ground-mounted solar projects, 1 MW and above, that are either operating, under construction or under development.
Official SEIA State Affiliate
Just The Facts
- Solar Installed (MW):
1,742 MWdc
- Storage Capacity
1.4 GWh
- National Ranking:
33rd (31st in 2025 additions)
- Enough Solar Installed to Power:
178,288 homes
- Percentage of State's Electricity from Solar:
2.30%
- Solar Jobs:
12,820
- Solar Companies in State:
138 (42 Manufacturers, 52 Installers/ Developers, 44 Others)
- Total Solar Investment in State:
$1.9 billion
- Growth Projection and Ranking:
1,646 MW over the next 5 years (ranks 37th)
- Number of Installations:
2,742
Tennessee State Solar Policy Resources
- Official SEIA State Affiliate – Tennessee Solar Energy Industries Association (TenneSEIA)
- Tennessee Public Utilities Commission – Learn about the governing body that regulates the electricity rates and services of Tennessee public utilities
- Tennessee General Assembly – Track pending legislation affecting solar energy, locate and contact individual legislators, and stay up to date on current legislative issues in Tennessee
- DSIRE Incentives Database – Tennessee – Search a public clearinghouse for specific solar energy incentives in Tennessee and across the United States
- U.S. Energy Information Administration – Tennessee State Profile – Explore official energy statistics, including data on electricity supply and demand, from the U.S. government
- Tennessee Renewable Energy & Economic Development Council
Tennessee Energy Storage Policy and Market Overview
Tennessee’s energy storage market is growing alongside increasing solar deployment. As solar capacity continues to expand, energy storage is expected to play an increasingly important role in balancing the grid and supporting future clean energy growth across the state.
Tennessee Energy Storage Policy Resources
- Sales Tax Exemption for Clean Energy Technology – Sales and use tax exemption for the purchase of renewable energy equipment. Applicants must apply, receive approval and certification as a green energy production facility.
- Tennessee Valley Authority Energy Storage Initiative –TVA projects, programs, and battery safety measures.
- DSIRE Tennessee Energy Storage Policy Database – Clearinghouse for financial incentives, regulations, and rebates for energy storage and lithium-ion technologies in Tennessee and across the United States.
- Energy Storage Cost in Tennessee – Up-to-date storage and solar-plus-storage pricing and find installers in Tennessee on EnergySage.
- Tennessee General Assembly – Pending, passed, and historical legislation affecting energy storage and battery systems, locate and contact individual legislators, and stay up to date on current legislative issues in Tennessee.
- Tennessee Public Utility Commission – Governing body that regulates the electricity rates and services of Tennessee public utilities, search for regulatory dockets, programs, and initiatives.
Data References
