Solar installations in Williamson County, TX
921 recorded installations in Williamson County, Texas — capacity, prices and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
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 | Wells Solar Electrical Services | 10 |
| 7 | 512 Solar | 10 |
| 8 | Solar Community | 8 |
| 9 | Ion Developer | 7 |
| 10 | Axis Solar | 7 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Williamson County?
PanelCensus records 921 solar installations in Williamson County, Texas (12.7 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 6.9 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.