Tooele County, Utah: Power, Data Centers and the Local Economy
Home to Tooele, Grantsville and Erda
Tooele 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. Tooele County is home to Tooele, Grantsville, Erda and Lake Point. Construction employs 1,360, up 34.1% since 2019. Employers here counted 20,520 jobs in 2025, up 24.3% from 2019 (the 4th fastest growth of 29 Utah counties). Next door, Salt Lake County has 30 data centers. 87,461 people live here, up 19.2% since 2020, 7th of 29 Utah counties by population.
Cities and towns in Tooele County
Tooele County is home to Tooele, Grantsville, Erda and Lake Point.
Unincorporated communities (governed by the county): Dugway, Erda, Ophir, Stansbury Park.
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 Tooele County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Utah |
|---|---|---|---|---|
| Population (2020 → 2025) | 73,349 | 87,461 | ▲ 19.2% | 7th of 29 by size |
| Total jobs (2019 → 2025) | 16,515 | 20,520 | ▲ 24.3% | 4th of 29 by growth |
| Average annual pay (2019 → 2025) | $42,020 | $53,701 | ▲ 27.8% | — |
| Construction jobs (2019 → 2025) | 1,014 | 1,360 | ▲ 34.1% | 11th of 20 by growth |
| Unemployment rate (2019 → August 2026) | 2.7% | 3.8% | ▲ 1.1pts | — |
| Generating capacity added since 2019 | — | 159 MW | — | |
| Generating capacity retired since 2019 | — | 48 MW | — |
48 MW has retired here since 2019, including US Magnesium (natural gas, 48 MW, 2025). Unemployment was 3.8% in August 2026, against 2.7% in 2019. 159 MW of that came online in 2019 or later, mostly solar. Its power plants have 162 MW of capacity, 97% of it solar, the 10th largest fleet in Utah. PacifiCorp is the largest utility serving Tooele County, one of 3 with territory here. Its residential customers paid an average 12.52¢/kWh in 2024, above the 11.39¢ median for Utah utilities.
Who powers Tooele County
Net change in operating capacity since 2019: +111 MW. Colors follow the fuel legend above.
Utilities with service territory in Tooele County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| PacifiCorp | Investor Owned | Bundled | 947,246 | 12.52¢ | 42% |
| Wells Rural Electric Co | Cooperative | Bundled | 510 | 10.56¢ | 32% |
| Mt Wheeler Power, Inc | Cooperative | Bundled | 211 | 9.60¢ | 17% |
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 3
| Technology | Capacity | Share |
|---|---|---|
| Solar | 158 MW | 97% |
| Wind | 3 MW | 2% |
| Battery storage | 1 MW | 1% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Elektron Solar, LLC | Elektron Solar, LLC | Solar | 80 MW | 2024 |
| Horseshoe Solar, LLC | Horseshoe Solar, LLC | Solar | 75 MW | 2024 |
| Tooele Army Depot(CSG) | Tooele Army Depot | Wind | 7 MW | 2010 |
Retired since 2019
| Plant | Technology | MW | Year |
|---|---|---|---|
| US Magnesium | Natural gas | 48 MW | 2025 |
The Tooele County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 20,520 | $53,701 | 1.00 |
| Construction | 1,360 | $57,286 | 1.25 |
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 Tooele County
No data center, local measure or delayed project is on record in Tooele County. Utah has 10 local measures on record statewide, and 3 neighboring counties have one: Box Elder County, Salt Lake County, White Pine County.
Tooele County and its neighbors
Of the 8 counties that border Tooele County, Salt Lake 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 |
|---|---|---|---|---|---|---|
| Tooele County | 87,461 | ▲ 24.3% | 162 MW | — | — | — |
| Box Elder County | 65,320 | ▲ 14.0% | 195 MW | 8 MW | — | 2 |
| Davis County | 381,227 | ▲ 8.2% | 32 MW | — | — | — |
| Elko County NV | 54,815 | ● 0.0% | 32 MW | — | — | — |
| Juab County | 13,567 | ▲ 23.0% | 647 MW | — | — | — |
| Salt Lake County | 1,220,916 | ▲ 12.2% | 1,025 MW | — | 30 | 1 |
| Utah County | 759,859 | ▲ 19.5% | 2,014 MW | 150 MW | 12 | — |
| Weber County | 278,174 | ▲ 13.0% | 16 MW | — | 1 | — |
| White Pine County NV | 8,661 | ▲ 4.4% | 150 MW | 600 MW | — | 1 |
More of Utah
Tooele County, answered from the record
Who provides electricity in Tooele County, Utah?
3 utilities have service territory in Tooele County in the EIA-861 2024 report: PacifiCorp, Wells Rural Electric Co, Mt Wheeler Power, Inc. The largest, PacifiCorp, charged residential customers 12.52¢/kWh on average in 2024.
What county is Tooele, UT in?
Tooele is in Tooele County, Utah. About 42,270 people live there (2025 Census estimate).
What county is Grantsville, UT in?
Grantsville is in Tooele County, Utah. About 16,472 people live there (2025 Census estimate).
What power plants are in Tooele County?
3 operating plants with 162 MW of capacity. The largest is Elektron Solar, LLC (80 MW, solar).
Are there data centers in Tooele County?
The SAVRN Data Center Map has no data center in Tooele County. The nearest activity on record is next door in Salt Lake County.
Is Tooele County adding jobs?
Employers counted 20,520 jobs in 2025 against 16,515 in 2019 (+24.3%, BLS QCEW). Construction went from 1,014 to 1,360.
Does Tooele County have a data center moratorium?
No county-level measure is on record for Tooele County. Utah has 10 local measures statewide, listed on the state page.