Loudoun County, Virginia: Power, Data Centers and the Local Economy
Home to Leesburg and Purcellville, and the communities of Ashburn and Dulles Town Center
Loudoun County is one of the places the data center build-out is physically happening. Electrical contractors employ 11,474, up 104.3% since 2019 against up 33.4% statewide, at an average $111,334 a year. The SAVRN Data Center Map lists 342 data centers in Loudoun County, 41% of Virginia's total. Construction employs 24,260, up 40.6% since 2019, and construction is 2.2 times as concentrated here as in the U.S. economy. Loudoun County is home to Leesburg, Purcellville, Lovettsville and Round Hill, plus the unincorporated communities of Ashburn, Dulles Town Center and Sterling. The Moratorium Tracker holds 1 local measure here (1 in force); the latest is “Virginia’s Loudoun County board votes to pause new data center applications”.
Cities and towns in Loudoun County
Loudoun County is home to Leesburg, Purcellville, Lovettsville and Round Hill, plus the unincorporated communities of Ashburn, Dulles Town Center and Sterling.
Unincorporated communities (governed by the county): Ashburn, Dulles Town Center, Sterling, Aldie, Arcola, Belmont, Brambleton, Broadlands, Cascades, Countryside, Goose Creek Village, Kincora, Lansdowne, Loudoun Valley Estates, Lowes Island, Moorefield, Oak Grove, One Loudoun, South Riding, Stone Ridge, Sugarland Run, University Center, Waterford.
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 Loudoun County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Virginia |
|---|---|---|---|---|
| Population (2020 → 2025) | 422,693 | 449,749 | ▲ 6.4% | 4th of 133 by size |
| Total jobs (2019 → 2025) | 175,497 | 204,941 | ▲ 16.8% | 10th of 133 by growth |
| Average annual pay (2019 → 2025) | $66,668 | $87,064 | ▲ 30.6% | — |
| Construction jobs (2019 → 2025) | 17,250 | 24,260 | ▲ 40.6% | 14th of 83 by growth |
| Electrical contractor jobs (2019 → 2025) | 5,615 | 11,474 | ▲ 104.3% | — |
| Power line construction jobs (2019 → 2025) | 685 | 1,089 | ▲ 59.0% | — |
| Data processing and hosting jobs (2019 → 2025) | 2,097 | 2,034 | ▼ 3.0% | — |
| Unemployment rate (2019 → August 2026) | 2.2% | 3.3% | ▲ 1.1pts | — |
| Generating capacity added since 2019 | — | 0 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — | |
| Planned generation (Aug 2026) | — | 170 MW | 21% of today's fleet | 8th of 29 by size |
5 projects are on the Delay Watchlist, including Spring Valley Technology Park (780 MW). 170 MW of new generation is planned here across 3 units, led by Dominion Energy Inc. (solar), the 8th largest pipeline among Virginia's counties. 170 MW of it is already under construction or built. Employers here counted 204,941 jobs in 2025, up 16.8% from 2019 (the 10th fastest growth of 133 Virginia counties). Unemployment was 3.3% in August 2026, against 2.2% in 2019. Its power plants have 812 MW of capacity, 100% of it natural gas. Virginia Electric & Power Co is the largest utility serving Loudoun County, one of 2 with territory here. Its residential customers paid an average 14.09¢/kWh in 2024, below the 14.39¢ median for Virginia utilities. 449,749 people live here, up 6.4% since 2020, 4th of 133 Virginia counties by population.
Who powers Loudoun County
Utilities with service territory in Loudoun County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Virginia Electric & Power Co | Investor Owned | Bundled | 2,383,548 | 14.09¢ | 63% |
| Northern Virginia Elec Coop | Cooperative | Bundled | 167,274 | 11.57¢ | 81% |
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 |
|---|---|---|
| Natural gas | 812 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Potomac Energy Center, LLC | Potomac Energy Center LLC | Natural gas | 812 MW | 2017 |
Planned generation 3
| Plant | Technology | MW | Status | Year | Owner |
|---|---|---|---|---|---|
| Dulles Solar and Storage | Solar Photovoltaic | 100 MW | Under construction (>50%) | 2026 | Dominion Energy Inc. |
| Dulles Solar and Storage | Batteries | 50 MW | Under construction (>50%) | 2026 | Dominion Energy Inc. |
| Evergreen Energy Center, LLC | Batteries | 20 MW | Under construction (>50%) | 2026 | East Point Energy, LLC |
The Loudoun County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 204,941 | $87,064 | 1.00 |
| Construction | 24,260 | $101,466 | 2.23 |
| Electrical contractors | 11,474 | $111,334 | 7.76 |
| Power and communication line construction | 1,089 | $80,487 | 3.29 |
| Data processing and hosting | 2,034 | $193,430 | 3.19 |
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 Loudoun County
342 data centers in Loudoun County are on the SAVRN Data Center Map: see them by city and operator.
Local measures 1
| Measure | Status | Date | |
|---|---|---|---|
| Virginia’s Loudoun County board votes to pause new data center applications | In force | 2026-09 |
Delay Watchlist 5
| Project | Status | Cause | MW | |
|---|---|---|---|---|
| Spring Valley Technology Park | cancelled | 780 MW | ||
| Loudoun County data center application pause | pending review | — | ||
| Hiddenwood Lane / Hiddenwood Assemblage rezoning (Aldie) | withdrawn | — | ||
| Innovation Gateway | pending review | — | ||
| Oaklawn data center rezoning (Leesburg) | cancelled | — |
Loudoun County and its neighbors
Of the 8 counties that border Loudoun County, Prince William 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 |
|---|---|---|---|---|---|---|
| Loudoun County | 449,749 | ▲ 16.8% | 812 MW | 170 MW | 342 | 1 |
| Clarke County | 15,609 | ▲ 4.7% | 10 MW | — | — | — |
| Fairfax County | 1,167,873 | ▲ 2.0% | 133 MW | — | 45 | 1 |
| Fauquier County | 76,503 | ▲ 7.5% | 1,322 MW | 14 MW | 4 | — |
| Frederick County MD | 302,883 | ▲ 1.7% | 87 MW | — | 4 | 1 |
| Jefferson County WV | 63,102 | ▲ 9.4% | 101 MW | — | — | — |
| Montgomery County MD | 1,074,582 | ▼ 3.4% | 500 MW | — | 10 | 3 |
| Prince William County | 502,966 | ▲ 9.7% | 786 MW | 60 MW | 260 | 1 |
| Washington County MD | 157,731 | ▲ 1.8% | 74 MW | — | — | 1 |
More of Virginia
Loudoun County, answered from the record
Who provides electricity in Loudoun County, Virginia?
2 utilities have service territory in Loudoun County in the EIA-861 2024 report: Virginia Electric & Power Co, Northern Virginia Elec Coop. The largest, Virginia Electric & Power Co, charged residential customers 14.09¢/kWh on average in 2024.
What county is Leesburg, VA in?
Leesburg is in Loudoun County, Virginia. About 49,917 people live there (2025 Census estimate).
What power plants are in Loudoun County?
1 operating plant with 812 MW of capacity. The largest is Potomac Energy Center, LLC (812 MW, natural gas).
How much new power is planned in Loudoun County?
170 MW across 3 units in the August 2026 EIA-860M inventory, 170 MW of it under construction or built. The largest owner is Dominion Energy Inc..
Are there data centers in Loudoun County?
Yes. The SAVRN Data Center Map lists 342 data centers in Loudoun County.
Is Loudoun County adding jobs?
Employers counted 204,941 jobs in 2025 against 175,497 in 2019 (+16.8%, BLS QCEW). Construction went from 17,250 to 24,260.
Does Loudoun County have a data center moratorium?
The SAVRN Moratorium Tracker holds 1 local measure for Loudoun County, 1 in force.