Carroll County, New Hampshire: Power, Data Centers and the Local Economy
Home to Conway, Wolfeboro and Wakefield
Carroll 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. Carroll County is home to Conway, Wolfeboro, Wakefield and Moultonborough. Next door, York County, Maine, has 271 MW of planned generation. Its power plants have 44 MW of capacity, 57% of it other technologies, the 7th largest fleet in New Hampshire. Public Service Co of NH is the largest utility serving Carroll County, one of 3 with territory here. Its residential customers paid an average 22.65¢/kWh in 2024, below the 23.10¢ median for New Hampshire utilities. Employers here counted 20,096 jobs in 2025, down 0.7% from 2019 (the 5th fastest growth of 10 New Hampshire counties).
Cities and towns in Carroll County
Carroll County is home to Conway, Wolfeboro, Wakefield and Moultonborough.
Unincorporated communities (governed by the county): Bartlett, Center Ossipee, Center Sandwich, Conway, Melvin Village, North Conway, Sanbornville, Suissevale, Union, Wolfeboro.
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 Carroll County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in New Hampshire |
|---|---|---|---|---|
| Population (2020 → 2025) | 50,251 | 52,784 | ▲ 5.0% | 8th of 10 by size |
| Total jobs (2019 → 2025) | 20,228 | 20,096 | ▼ 0.7% | 5th of 10 by growth |
| Average annual pay (2019 → 2025) | $38,233 | $53,180 | ▲ 39.1% | — |
| Unemployment rate (2019 → August 2026) | 2.4% | 2.3% | ▼ 0.1pts | — |
| Generating capacity added since 2019 | — | 0 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
52,784 people live here, up 5.0% since 2020, 8th of 10 New Hampshire counties by population. Unemployment was 2.3% in August 2026, against 2.4% in 2019.
Who powers Carroll County
Utilities with service territory in Carroll County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Public Service Co of NH | Investor Owned | Bundled | 459,907 | 22.65¢ | 20% |
| New Hampshire Elec Coop Inc | Cooperative | Bundled | 74,144 | 23.83¢ | 20% |
| Town of Wolfeboro - (NH) | — | — | — | — | — |
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 2
| Technology | Capacity | Share |
|---|---|---|
| Other technologies | 25 MW | 57% |
| Petroleum | 19 MW | 43% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| NE Renewable Tamworth, LLC | NE Renewable Tamworth, LLC | Other technologies | 25 MW | 1987 |
| White Lake | Granite Shore Power | Petroleum | 19 MW | 1968 |
The Carroll County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 20,096 | $53,180 | 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 Carroll County
No data center, local measure or delayed project is on record in Carroll County. New Hampshire has 5 local measures on record statewide.
Carroll County and its neighbors
Of the 6 counties that border Carroll County, York 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 |
|---|---|---|---|---|---|---|
| Carroll County | 52,784 | ▼ 0.7% | 44 MW | — | — | — |
| Belknap County | 65,147 | ▼ 0.6% | 4 MW | — | — | — |
| Coos County | 31,343 | ▼ 2.7% | 301 MW | — | — | — |
| Grafton County | 93,225 | ▲ 0.4% | 475 MW | — | 2 | — |
| Oxford County ME | 60,346 | ▲ 0.6% | 595 MW | — | — | — |
| Strafford County | 135,043 | ▼ 4.3% | 23 MW | 20 MW | 1 | — |
| York County ME | 222,434 | ▲ 6.8% | 158 MW | 271 MW | — | — |
More of New Hampshire
Carroll County, answered from the record
Who provides electricity in Carroll County, New Hampshire?
3 utilities have service territory in Carroll County in the EIA-861 2024 report: Public Service Co of NH, New Hampshire Elec Coop Inc, Town of Wolfeboro - (NH). The largest, Public Service Co of NH, charged residential customers 22.65¢/kWh on average in 2024.
What county is Conway, NH in?
Conway is in Carroll County, New Hampshire. About 10,308 people live there (2025 Census estimate).
What power plants are in Carroll County?
2 operating plants with 44 MW of capacity. The largest is NE Renewable Tamworth, LLC (25 MW, other technologies).
Are there data centers in Carroll County?
The SAVRN Data Center Map has no data center in Carroll County. The nearest activity on record is next door in York County.
Is Carroll County adding jobs?
Employers counted 20,096 jobs in 2025 against 20,228 in 2019 (-0.7%, BLS QCEW).
Does Carroll County have a data center moratorium?
No county-level measure is on record for Carroll County. New Hampshire has 5 local measures statewide, listed on the state page.