Solar installations in Tennessee
509 recorded installations — prices, growth by year, county breakdown and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
† Tennessee is under-reported. Public solar data is incomplete here, so the 0.02% homes-with-solar figure is a floor — the true rate is higher. See how complete each state's data is on the coverage scorecard.
Most active
Top installers in Tennessee
Growth
Installations by year
New installs per year and the running cumulative total, plus % of homes with solar (ACS housing units).
By county
Solar by county in Tennessee
| County | Installs | % homes | Capacity | Median $/W |
|---|---|---|---|---|
| Shelby County | 217 | 0.05% | 132.5 MW | $2.00/W |
| Davidson County | 186 | 0.05% | 9.9 MW | $2.03/W |
| Hamilton Countylimited | 4 | 0.00% | 14.4 MW | $2.67/W |
| McNairy Countylimited | 4 | 0.03% | 69.9 MW | — |
| Williamson Countylimited | 4 | 0.00% | 109 kW | $2.50/W |
| Madison Countylimited | 3 | 0.01% | 92.0 MW | — |
| Tipton Countylimited | 3 | 0.01% | 44 kW | $1.23/W |
| Fayette Countylimited | 2 | 0.01% | 20.0 MW | $2.00/W |
| Greene Countylimited | 2 | 0.01% | 13.4 MW | — |
| Hardeman Countylimited | 2 | 0.02% | 24.6 MW | — |
| Haywood Countylimited | 2 | 0.02% | 8.9 MW | — |
| Montgomery Countylimited | 2 | 0.00% | 9.5 MW | — |
| Washington Countylimited | 2 | 0.00% | 20.0 MW | — |
| Bedford Countylimited | 1 | 0.01% | 46.9 MW | — |
| Henry Countylimited | 1 | 0.01% | 9.5 MW | — |
| Jefferson Countylimited | 1 | 0.00% | 2.8 MW | — |
| Lincoln Countylimited | 1 | 0.01% | 0 kW | — |
| McMinn Countylimited | 1 | 0.00% | 0 kW | — |
| Maury Countylimited | 1 | 0.00% | 14 kW | — |
| Obion Countylimited | 1 | 0.01% | 0 kW | — |
| Sequatchie Countylimited | 1 | 0.01% | 1.8 MW | — |
Counties derived from installation ZIP codes (Census ZCTA crosswalk) — approximate at boundaries. Counties marked limited have under 10 recorded installs, so their medians and penetration are indicative only. % homes = recorded installs ÷ housing units (U.S. Census ACS 5-Year, B25001).
Search every recorded Tennessee installation — by installer, size, date, storage and equipment.
Search TN sites →Hardware
Top solar equipment in Tennessee
| # | Panel manufacturer | Systems |
|---|---|---|
| 1 | First Solar | 20 |
| 2 | Qcells | 13 |
| 3 | kW SunPower | 2 |
| 4 | LG | 2 |
| 5 | W Qcell | 2 |
| # | Inverter manufacturer | Systems |
|---|---|---|
| 1 | Enphase | 20 |
| 2 | Tesla | 16 |
| 3 | SolarEdge | 14 |
| 4 | SOLAREDGE | 8 |
| 5 | tesla | 2 |
| 6 | Solaredge | 2 |
From recorded equipment on Tennessee systems (Tracking the Sun + state/permit data); counts are systems where the manufacturer is known.
Developers
Top solar developers in Tennessee
| # | Developer | Systems |
|---|---|---|
| 1 | ADT Solar | 61 |
| 2 | Troy Salerno Electric Inc. | 41 |
| 3 | MARC JONES CONSTRUCTION LLC (B000) | 19 |
| 4 | LIGHTWAVE SOLAR LLC | 18 |
| 5 | Silicon Ranch | 14 |
| 6 | RPG Energy Group | 13 |
| 7 | ReNew Solar Solutions | 8 |
| 8 | GREEN WAVES INC | 7 |
Developer/EPC named on the permit or program record — often the same firm as the installer.
Frequently asked questions
How many solar installations are there in Tennessee?
PanelCensus records 509 solar installations in Tennessee, totalling 689.8 MW of capacity — about 0.02% of the state's 3,095,472 housing units (U.S. Census ACS) — compiled from LBNL's Tracking the Sun, city permit records, state programs and USGS/EIA utility-scale data. (Coverage depends on what the state publishes, so actual totals are higher.)
How much does solar cost per watt in Tennessee?
The median installed price across priced systems in Tennessee is $2.00/W pre-incentive. Year-by-year medians are shown on this page.
Who are the biggest solar installers in Tennessee?
Adt Solar has the most recorded installations in Tennessee (61), followed by LIGHTWAVE SOLAR LLC (54).