Solar installations in Williamson County, TX
320 recorded installations in Williamson County, Texas — capacity, prices and the installers doing the work.
Dataset updated . Refreshed from LBNL's Tracking the Sun public releases.
Most active
Top installers in Williamson County
| # | Installer | Installs here |
|---|---|---|
| 1 | Freedom Solar | 64 |
| 2 | Lighthouse Solar Austin | 28 |
| 3 | Longhorn Solar | 22 |
| 4 | Greenbelt Solar | 21 |
| 5 | Tesla Energy | 13 |
| 6 | 512 Solar | 10 |
| 7 | Wells Solar Electrical Services | 10 |
| 8 | Solar Community | 8 |
| 9 | Axis Solar | 7 |
| 10 | Ion Developer | 7 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Williamson County?
The Tracking the Sun dataset records 320 solar installations in Williamson County, Texas (8.8 MW of capacity). Dataset coverage depends on Texas's reporting programs, so the true total is higher.
How much does solar cost in Williamson County?
The median installed price for recorded systems in Williamson County is $3.60/W pre-incentive; the median system runs 6.4 kW.
Who installs solar in Williamson County?
The most active recorded installers in Williamson County are Freedom Solar, Lighthouse Solar Austin, Longhorn Solar.
County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. See methodology.