Trinity County, Texas: Power, Data Centers and the Local Economy
Home to Trinity
Trinity County is not a build-out site today. It feels the boom through the grid it shares, the utilities that serve it and the work nearby. Trinity County is home to Trinity and Groveton. 100 MW of new generation is planned here across 1 unit, led by Triune Solar LLC (solar). Next door, San Jacinto County has 467 MW of planned generation. Employers here counted 2,433 jobs in 2025, up 8.6% from 2019. Unemployment was 5.9% in August 2026, against 4.8% in 2019.
Cities and towns in Trinity County
Trinity County is home to Trinity and Groveton.
Unincorporated communities (governed by the county): Westwood Shores.
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 Trinity County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Texas |
|---|---|---|---|---|
| Population (2020 → 2025) | 13,636 | 14,384 | ▲ 5.5% | 143rd of 254 by size |
| Total jobs (2019 → 2025) | 2,241 | 2,433 | ▲ 8.6% | 93rd of 254 by growth |
| Average annual pay (2019 → 2025) | $34,744 | $43,635 | ▲ 25.6% | — |
| Unemployment rate (2019 → August 2026) | 4.8% | 5.9% | ▲ 1.1pts | — |
| Planned generation (Aug 2026) | — | 100 MW | no fleet today | 137th of 149 by size |
Oncor Electric Delivery Company LLC is the largest utility serving Trinity County, one of 4 with territory here. It delivers power that customers buy from competing retail providers. 14,384 people live here, up 5.5% since 2020.
Who powers Trinity County
Utilities with service territory in Trinity 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 | — | — |
| Entergy Texas Inc. | Investor Owned | Bundled | 457,369 | 13.66¢ | 24% |
| Sam Houston Electric Coop Inc | Cooperative | Bundled | 86,118 | 12.62¢ | 9% |
| Houston County Elec Coop Inc | Cooperative | Bundled | 21,426 | 16.60¢ | 14% |
Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers.
No operating power plant is located in Trinity County in the EIA-860M inventory. Its power comes over the grid from plants elsewhere.
Planned generation 1
| Plant | Technology | MW | Status | Year | Owner |
|---|---|---|---|---|---|
| Triune Solar | Solar Photovoltaic | 100 MW | Planned, approvals not started | 2030 | Triune Solar LLC |
The Trinity County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 2,433 | $43,635 | 1.00 |
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 Trinity County
No data center, local measure or delayed project is on record in Trinity County. Texas has 25 local measures on record statewide.
Trinity County and its neighbors
Of the 5 counties that border Trinity County, San Jacinto 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 |
|---|---|---|---|---|---|---|
| Trinity County | 14,384 | ▲ 8.6% | — | 100 MW | — | — |
| Angelina County | 88,154 | ▲ 1.1% | 200 MW | 200 MW | 2 | — |
| Houston County | 22,316 | ▲ 9.6% | — | 125 MW | — | — |
| Polk County | 53,434 | ▲ 13.9% | 177 MW | 170 MW | — | — |
| San Jacinto County | 29,488 | ▲ 15.3% | 170 MW | 467 MW | — | — |
| Walker County | 83,842 | ▲ 4.4% | — | 150 MW | — | — |
More of Texas
Trinity County, answered from the record
Who provides electricity in Trinity County, Texas?
4 utilities have service territory in Trinity County in the EIA-861 2024 report: Oncor Electric Delivery Company LLC, Entergy Texas Inc., Sam Houston Electric Coop Inc, Houston County Elec Coop Inc.
How much new power is planned in Trinity County?
100 MW across 1 units in the August 2026 EIA-860M inventory, 0 MW of it under construction or built. The largest owner is Triune Solar LLC.
Are there data centers in Trinity County?
The SAVRN Data Center Map has no data center in Trinity County. The nearest activity on record is next door in San Jacinto County.
Is Trinity County adding jobs?
Employers counted 2,433 jobs in 2025 against 2,241 in 2019 (+8.6%, BLS QCEW).
Does Trinity County have a data center moratorium?
No county-level measure is on record for Trinity County. Texas has 25 local measures statewide, listed on the state page.