Solar installations in Rockwall County, TX
51 recorded installations in Rockwall 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.
Search every recorded installation in Rockwall County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 327 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 16% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Rockwall County
| # | Installer | Installs here |
|---|---|---|
| 1 | Ion | 7 |
| 2 | Gnrg | 4 |
| 3 | Lumio | 4 |
| 4 | Sunrun | 3 |
| 5 | Lumio Hx | 3 |
| 6 | Freedom Forever | 3 |
| 7 | Ion Developer | 3 |
| 8 | Dawn To Dusk Solar Texas | 2 |
| 9 | Solar Community | 2 |
| 10 | Enphase Energy | 1 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Rockwall County?
PanelCensus records 51 solar installations in Rockwall County, Texas (554 kW of capacity) — about 0.12% of the county's 41,426 housing units (U.S. Census ACS). Dataset coverage depends on Texas's reporting programs, so the true total is higher.
How much does solar cost in Rockwall County?
The median installed price for recorded systems in Rockwall County is $1.99/W pre-incentive; the median system runs 10.1 kW.
Who installs solar in Rockwall County?
The most active recorded installers in Rockwall County are Ion, Gnrg, Lumio.
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. Market penetration = recorded installations ÷ housing units (U.S. Census Bureau ACS 5-Year, Table B25001); it undercounts where dataset coverage is partial. See methodology.