Windham County, Vermont: Power, Data Centers and the Local Economy
Home to Brattleboro, Rockingham and Bellows Falls
Windham County sits inside the data center build-out. The SAVRN Data Center Map lists 1 data center in Windham County, 12% of Vermont's total. Windham County is home to Brattleboro, Rockingham, Bellows Falls and Putney. Electrical contractors employ 136, at an average $64,662 a year. Its power plants have 122 MW of capacity, 93% of it hydro, the 2nd largest fleet in Vermont. Unemployment was 2.7% in August 2026, against 2.1% in 2019.
Cities and towns in Windham County
Windham County is home to Brattleboro, Rockingham, Bellows Falls and Putney.
And 1 smaller places.
Unincorporated communities (governed by the county): Algiers, Brattleboro, Chimney Hill, Grafton, Harmonyville, Jamaica, Londonderry, North Westminster, Putney, South Londonderry, Stratton Mountain, Townshend, Wardsboro, West Brattleboro, West Dummerston, Whitingham, Wilmington.
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 Windham County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Vermont |
|---|---|---|---|---|
| Population (2020 → 2025) | 45,858 | 45,204 | ▼ 1.4% | 6th of 14 by size |
| Total jobs (2019 → 2025) | 21,299 | 20,814 | ▼ 2.3% | 9th of 14 by growth |
| Average annual pay (2019 → 2025) | $44,169 | $58,773 | ▲ 33.1% | — |
| Electrical contractor jobs (2019 → 2025) | 122 | 136 | ▲ 11.5% | — |
| Unemployment rate (2019 → August 2026) | 2.1% | 2.7% | ▲ 0.6pts | — |
| Generating capacity added since 2019 | — | 0 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
Employers here counted 20,814 jobs in 2025, down 2.3% from 2019 (the 9th fastest growth of 14 Vermont counties). Green Mountain Power Corp is the largest utility serving Windham County, one of 2 with territory here. Its residential customers paid an average 22.09¢/kWh in 2024. 45,204 people live here, down 1.4% since 2020, 6th of 14 Vermont counties by population.
Who powers Windham County
Utilities with service territory in Windham County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Green Mountain Power Corp | Investor Owned | Bundled | 226,675 | 22.09¢ | 36% |
| Village of Jacksonville - (VT) | — | — | — | — | — |
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 7
| Technology | Capacity | Share |
|---|---|---|
| Hydro | 113 MW | 93% |
| Solar | 9 MW | 7% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Bellows Falls | Great River Hydro, LLC | Hydro | 41 MW | 1928 |
| Vernon Dam | Great River Hydro, LLC | Hydro | 36 MW | 1909 |
| Harriman | Great River Hydro, LLC | Hydro | 34 MW | 1924 |
| Brattleboro (Windham Landfill) | Altus Power America Management, LLC | Solar | 5 MW | 2018 |
| Ball Mountain Hydro | Eagle Creek Renewable Energy, LLC | Hydro | 2 MW | 2016 |
| Technology Drive Solar | RWE Clean Energy | Solar | 2 MW | 2014 |
The Windham County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 20,814 | $58,773 | 1.00 |
| Electrical contractors | 136 | $64,662 | 0.91 |
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 Windham County
1 data center in Windham County is on the SAVRN Data Center Map.
Windham County and its neighbors
Of the 5 counties that border Windham County, Franklin 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 |
|---|---|---|---|---|---|---|
| Windham County | 45,204 | ▼ 2.3% | 122 MW | — | 1 | — |
| Bennington County | 36,630 | ▼ 4.3% | 44 MW | 22 MW | — | — |
| Cheshire County NH | 78,269 | ▼ 3.1% | — | — | 2 | — |
| Franklin County MA | 70,698 | ▼ 6.8% | 1,334 MW | — | — | — |
| Sullivan County NH | 43,961 | ▲ 1.2% | 45 MW | 4 MW | — | — |
| Windsor County | 57,312 | ▲ 0.2% | 89 MW | — | — | — |
More of Vermont
Windham County, answered from the record
Who provides electricity in Windham County, Vermont?
2 utilities have service territory in Windham County in the EIA-861 2024 report: Green Mountain Power Corp, Village of Jacksonville - (VT). The largest, Green Mountain Power Corp, charged residential customers 22.09¢/kWh on average in 2024.
What county is Brattleboro, VT in?
Brattleboro is in Windham County, Vermont. About 11,872 people live there (2025 Census estimate).
What power plants are in Windham County?
7 operating plants with 122 MW of capacity. The largest is Bellows Falls (41 MW, hydro).
Are there data centers in Windham County?
Yes. The SAVRN Data Center Map lists 1 data center in Windham County.
Is Windham County adding jobs?
Employers counted 20,814 jobs in 2025 against 21,299 in 2019 (-2.3%, BLS QCEW).
Does Windham County have a data center moratorium?
No county-level measure is on record for Windham County. Vermont has 3 local measures statewide, listed on the state page.