PanelCensus

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.

Installations
51
Total capacity
554 kW
Median price
$1.99/W
pre-incentive
Third-party owned
0%
lease / PPA

Most active

Top installers in Rockwall County

Growth

Installations by year

2010
4
2011
2
2012
3
2023
28
2024
6
2025
8

Frequently asked questions

How many homes have solar in Rockwall County?

PanelCensus records 51 solar installations in Rockwall County, Texas (554 kW of capacity). 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, Lumio, Gnrg.

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.