Rockwall County, Texas: Power, Data Centers and the Local Economy
Home to Rockwall, Fate and Royse City
The build-out shows up in Rockwall County as work for the electrical trades. Construction employs 3,703, up 66.1% since 2019, and construction is 1.6 times as concentrated here as in the U.S. economy. Employers here counted 43,738 jobs in 2025, up 34.2% from 2019. Electrical contractors employ 396, up 74.4% since 2019 against up 24.0% statewide, at an average $71,651 a year. Rockwall County is home to Rockwall, Fate, most of Royse City (18,933 of its 28,307 residents) and Heath. 140,738 people live here, up 28.9% since 2020.
Cities and towns in Rockwall County
Rockwall County is home to Rockwall, Fate, most of Royse City (18,933 of its 28,307 residents) and Heath.
- Royse City also extends into Collin County, Hunt County.
- Rowlett also extends into Dallas County.
- Wylie also extends into Collin County, Dallas County.
Residents are 2025 Census estimates for the part of each city, town or township inside this county. Census publishes no annual estimate for unincorporated communities.
What changed in Rockwall County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Texas |
|---|---|---|---|---|
| Population (2020 → 2025) | 109,199 | 140,738 | ▲ 28.9% | 36th of 254 by size |
| Total jobs (2019 → 2025) | 32,589 | 43,738 | ▲ 34.2% | 13th of 254 by growth |
| Average annual pay (2019 → 2025) | $42,974 | $59,661 | ▲ 38.8% | — |
| Construction jobs (2019 → 2025) | 2,230 | 3,703 | ▲ 66.1% | 20th of 155 by growth |
| Electrical contractor jobs (2019 → 2025) | 227 | 396 | ▲ 74.4% | — |
| Power line construction jobs (2019 → 2025) | 199 | 277 | ▲ 39.2% | — |
| Data processing and hosting jobs (2019 → 2025) | 12 | 31 | ▲ 158.3% | — |
| Unemployment rate (2019 → August 2026) | 3.0% | 4.1% | ▲ 1.1pts | — |
| Generating capacity added since 2019 | — | 125 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
Next door, Dallas County has 90 data centers. Unemployment was 4.1% in August 2026, against 3.0% in 2019. 125 MW of that came online in 2019 or later, mostly battery storage. Its power plants have 125 MW of capacity, 100% of it battery storage. Oncor Electric Delivery Company LLC is the largest utility serving Rockwall County, one of 2 with territory here. It delivers power that customers buy from competing retail providers.
Who powers Rockwall County
Net change in operating capacity since 2019: +125 MW. Colors follow the fuel legend above.
Utilities with service territory in Rockwall County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Oncor Electric Delivery Company LLC | — | Delivery only (retail choice) | 3,477,215 | — | — |
| Farmers Electric Coop, Inc - (TX) | Cooperative | Bundled | 84,006 | 11.51¢ | 15% |
Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers.
Operating power plants 1
| Technology | Capacity | Share |
|---|---|---|
| Battery storage | 125 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| TE Smith Storage | BT Smith Storage LLC | Battery storage | 125 MW | 2026 |
The Rockwall County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 43,738 | $59,661 | 1.00 |
| Construction | 3,703 | $82,235 | 1.60 |
| Electrical contractors | 396 | $71,651 | 1.26 |
| Power and communication line construction | 277 | $159,946 | 3.92 |
| Data processing and hosting | 31 | $109,466 | 0.23 |
Concentration is the BLS location quotient: 1.0 means the industry holds the same share of local jobs as it does nationally. Industry rows count private employers; cells BLS suppresses are left out.
Data centers and local rules in Rockwall County
No data center, local measure or delayed project is on record in Rockwall County. Texas has 25 local measures on record statewide.
Rockwall County and its neighbors
Of the 4 counties that border Rockwall County, Dallas County carries the most build-out activity: data centers, planned generation and operating plants combined.
| County | Population | Jobs since 2019 | Operating MW | Planned MW | Data centers | Local measures |
|---|---|---|---|---|---|---|
| Rockwall County | 140,738 | ▲ 34.2% | 125 MW | — | — | — |
| Collin County | 1,297,179 | ▲ 30.5% | 590 MW | 400 MW | 30 | — |
| Dallas County | 2,661,397 | ▲ 4.9% | 2,070 MW | 12 MW | 90 | — |
| Hunt County | 123,336 | ▲ 18.2% | 372 MW | 176 MW | — | — |
| Kaufman County | 209,235 | ▲ 41.3% | 2,196 MW | 851 MW | 2 | — |
More of Texas
Rockwall County, answered from the record
Who provides electricity in Rockwall County, Texas?
2 utilities have service territory in Rockwall County in the EIA-861 2024 report: Oncor Electric Delivery Company LLC, Farmers Electric Coop, Inc - (TX).
What county is Rockwall, TX in?
Rockwall is in Rockwall County, Texas. About 53,980 people live there (2025 Census estimate).
What county is Fate, TX in?
Fate is in Rockwall County, Texas. About 29,007 people live there (2025 Census estimate).
What county is Royse City, TX in?
Most of Royse City is in Rockwall County: 18,933 of its 28,307 residents, or 67%. The rest of the city lies in Collin County, Hunt County.
What power plants are in Rockwall County?
1 operating plant with 125 MW of capacity. The largest is TE Smith Storage (125 MW, battery storage).
Are there data centers in Rockwall County?
The SAVRN Data Center Map has no data center in Rockwall County. The nearest activity on record is next door in Dallas County.
Is Rockwall County adding jobs?
Employers counted 43,738 jobs in 2025 against 32,589 in 2019 (+34.2%, BLS QCEW). Construction went from 2,230 to 3,703.
Does Rockwall County have a data center moratorium?
No county-level measure is on record for Rockwall County. Texas has 25 local measures statewide, listed on the state page.