# Coos County, New Hampshire: Power, Data Centers and the Local Economy Home to Berlin, Lancaster and Gorham No data center or power plant project is on record in Coos County, but the national build-out still reaches it through its utility bill, its labor market and the projects next door. Coos County is home to Berlin, Lancaster, Gorham and Whitefield. Next door, Grafton County has 2 data centers. 14 MW of that came online in 2019 or later, mostly battery storage. Its power plants have 301 MW of capacity, 38% of it wind, the 4th largest fleet in New Hampshire. Employers here counted 11,730 jobs in 2025, down 2.7% from 2019 (the 7th fastest growth of 10 New Hampshire counties). 301 MW of operating power plants, mostly wind -2.7% total jobs since 2019, now 11,730 22.65¢ per kWh for Public Service Co of NH residential customers, 2024 ## Cities and towns in Coos County Coos County is home to Berlin, Lancaster, Gorham and Whitefield. Berlin9,502 residents Lancaster3,218 residents Gorham2,661 residents Whitefield2,535 residents Colebrook2,110 residents Northumberland2,096 residents Milan1,354 residents Jefferson1,063 residents Dalton907 residents Pittsburg845 residents Carroll841 residents Stewartstown774 residents Columbia673 residents Stratford646 residents Stark463 residents Shelburne363 residents Randolph327 residents Dummer313 residents Errol291 residents Clarksville284 residents Unincorporated communities (governed by the county): Colebrook, Gorham, Groveton, Lancaster, West Stewartstown, Whitefield. 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 Coos County | Measure | Then | Now | Change | Rank in New Hampshire | |---|---|---|---|---| | Population (2020 → 2025) | 31,235 | 31,343 | ▲ 0.3% | 10th of 10 by size | | Total jobs (2019 → 2025) | 12,059 | 11,730 | ▼ 2.7% | 7th of 10 by growth | | Average annual pay (2019 → 2025) | $39,924 | $55,154 | ▲ 38.1% | — | | Unemployment rate (2019 → August 2026) | 3.1% | 2.7% | ▼ 0.4pts | — | | Generating capacity added since 2019 | — | 14 MW | | — | | Generating capacity retired since 2019 | — | 0 MW | | — | Public Service Co of NH is the largest utility serving Coos County, one of 2 with territory here. Its residential customers paid an average 22.65¢/kWh in 2024, below the 23.10¢ median for New Hampshire utilities. Unemployment was 2.7% in August 2026, against 3.1% in 2019. 31,343 people live here, up 0.3% since 2020, 10th of 10 New Hampshire counties by population. ## Who powers Coos County ### Utilities with service territory in Coos 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% | 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 | Technology | Capacity | Share | |---|---|---| | Wind | 113 MW | 38% | | Other technologies | 95 MW | 32% | | Hydro | 61 MW | 20% | | Petroleum | 18 MW | 6% | | Battery storage | 14 MW | 5% | | Largest plants | Owner | Technology | MW | Since | |---|---|---|---|---| | Granite Reliable Power | NexteraEnergy | Wind | 99 MW | 2012 | | Burgess BioPower | Berlin Station, LLC | Other technologies | 75 MW | 2013 | | Berlin Gorham | Great Lakes Hydro America LLC | Hydro | 44 MW | 1914 | | NE Renewable Whitefield, LLC | NE Renewable Whitefield, LLC | Other technologies | 20 MW | 1988 | | Lost Nation | Granite Shore Power | Petroleum | 18 MW | 1969 | | Smith (NH) | Central Rivers Power NH, LLC | Hydro | 15 MW | 1948 | ## The Coos County labor market | Industry (2025) | Jobs | Average pay | Concentration vs U.S. | |---|---|---|---| | All industries | 11,730 | $55,154 | 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 Coos County No data center, local measure or delayed project is on record in Coos County. New Hampshire has 5 local measures on record statewide. ## Coos County and its neighbors Of the 4 counties that border Coos County, Grafton 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 | |---|---|---|---|---|---|---| | Coos County | 31,343 | ▼ 2.7% | 301 MW | — | — | — | | Carroll County](https://savrn.com/power-supply-chain-map/new-hampshire/carroll-county) | 52,784 | ▼ 0.7% | 44 MW | — | — | — | | Essex County](https://savrn.com/power-supply-chain-map/vermont/essex-county) VT | 6,051 | ▼ 3.2% | 8 MW | — | — | — | | Grafton County](https://savrn.com/power-supply-chain-map/new-hampshire/grafton-county) | 93,225 | ▲ 0.4% | 475 MW | — | 2 | — | | Oxford County](https://savrn.com/power-supply-chain-map/maine/oxford-county) ME | 60,346 | ▲ 0.6% | 595 MW | — | — | — | ## More of New Hampshire [All New Hampshire countiesThe state power page and county mapOpen →](https://savrn.com/power-supply-chain-map/new-hampshire)[Grafton County93,225 peopleOpen →](https://savrn.com/power-supply-chain-map/new-hampshire/grafton-county)[Carroll County52,784 peopleOpen →](https://savrn.com/power-supply-chain-map/new-hampshire/carroll-county) ## Coos County, answered from the record ### Who provides electricity in Coos County, New Hampshire? 2 utilities have service territory in Coos County in the EIA-861 2024 report: Public Service Co of NH, New Hampshire Elec Coop Inc. The largest, Public Service Co of NH, charged residential customers 22.65¢/kWh on average in 2024. ### What power plants are in Coos County? 10 operating plants with 301 MW of capacity. The largest is Granite Reliable Power (99 MW, wind). ### Are there data centers in Coos County? The SAVRN Data Center Map has no data center in Coos County. The nearest activity on record is next door in Grafton County. ### Is Coos County adding jobs? Employers counted 11,730 jobs in 2025 against 12,059 in 2019 (-2.7%, BLS QCEW). ### Does Coos County have a data center moratorium? No county-level measure is on record for Coos County. New Hampshire has 5 local measures statewide, listed on the state page. --- Canonical: https://savrn.com/power-supply-chain-map/new-hampshire/coos-county Updated: 2026-10-08. Refreshed weekly by SAVRN from EIA, BLS, BEA, Census and the SAVRN trackers. License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).