Warren County, Pennsylvania: Power, Data Centers and the Local Economy
Home to Warren, Conewango Township and Pine Grove Township
Warren 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. Warren County is home to Warren, Conewango Township, Pine Grove Township and Pleasant Township. Next door, Chautauqua County, New York, has 528 MW of planned generation. Employers here counted 12,941 jobs in 2025, down 10.1% from 2019. Its power plants have 491 MW of capacity, 89% of it hydro. Unemployment was 4.0% in August 2026, against 4.7% in 2019.
Cities and towns in Warren County
Warren County is home to Warren, Conewango Township, Pine Grove Township and Pleasant Township.
And 3 smaller places.
Unincorporated communities (governed by the county): Columbus, North Warren, Russell, Sheffield, Starbrick.
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 Warren County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Pennsylvania |
|---|---|---|---|---|
| Population (2020 → 2025) | 38,513 | 37,038 | ▼ 3.8% | 56th of 67 by size |
| Total jobs (2019 → 2025) | 14,389 | 12,941 | ▼ 10.1% | 61st of 67 by growth |
| Average annual pay (2019 → 2025) | $42,658 | $53,237 | ▲ 24.8% | — |
| Construction jobs (2019 → 2025) | 271 | 271 | ● 0.0% | 40th of 62 by growth |
| Electric utility jobs (2019 → 2025) | 76 | 76 | ● 0.0% | — |
| Unemployment rate (2019 → August 2026) | 4.7% | 4.0% | ▼ 0.7pts | — |
| Generating capacity added since 2019 | — | 0 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
Construction employs 271, unchanged since 2019. FirstEnergy Pennsylvania Electric Co is the largest utility serving Warren County, one of 3 with territory here. Its residential customers paid an average 17.37¢/kWh in 2024, above the 16.30¢ median for Pennsylvania utilities. 37,038 people live here, down 3.8% since 2020.
Who powers Warren County
Utilities with service territory in Warren County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| FirstEnergy Pennsylvania Electric Co | Investor Owned | Bundled | 1,802,612 | 17.37¢ | 16% |
| Northwestern Rural E C A, Inc - (PA) | Cooperative | Bundled | 18,190 | 15.58¢ | 17% |
| Warren Electric Coop Inc | — | — | — | — | — |
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 |
|---|---|---|
| Hydro | 438 MW | 89% |
| Natural gas | 53 MW | 11% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Seneca Generation LLC | Seneca Generation LLC | Hydro | 438 MW | 1970 |
| Warren | Warren Generation, LLC | Natural gas | 53 MW | 1972 |
The Warren County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 12,941 | $53,237 | 1.00 |
| Construction | 271 | $57,172 | 0.40 |
| Electric utilities | 76 | $141,439 | 2.17 |
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 Warren County
No data center, local measure or delayed project is on record in Warren County. Pennsylvania has 36 local measures on record statewide.
Warren County and its neighbors
Of the 8 counties that border Warren County, Chautauqua 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 |
|---|---|---|---|---|---|---|
| Warren County | 37,038 | ▼ 10.1% | 491 MW | — | — | — |
| Cattaraugus County NY | 75,390 | ▼ 3.0% | 140 MW | — | — | — |
| Chautauqua County NY | 124,126 | ▼ 5.4% | 496 MW | 528 MW | — | — |
| Crawford County | 81,792 | ▼ 3.8% | — | — | — | — |
| Elk County | 29,926 | ▼ 10.4% | 54 MW | 6 MW | — | — |
| Erie County | 265,832 | ▼ 1.6% | 41 MW | — | — | — |
| Forest County | 6,614 | ▼ 4.1% | 20 MW | — | — | — |
| McKean County | 38,984 | ▼ 5.8% | — | 123 MW | — | — |
| Venango County | 49,346 | ▼ 10.1% | 409 MW | — | — | — |
More of Pennsylvania
Warren County, answered from the record
Who provides electricity in Warren County, Pennsylvania?
3 utilities have service territory in Warren County in the EIA-861 2024 report: FirstEnergy Pennsylvania Electric Co, Northwestern Rural E C A, Inc - (PA), Warren Electric Coop Inc. The largest, FirstEnergy Pennsylvania Electric Co, charged residential customers 17.37¢/kWh on average in 2024.
What power plants are in Warren County?
2 operating plants with 491 MW of capacity. The largest is Seneca Generation LLC (438 MW, hydro).
Are there data centers in Warren County?
The SAVRN Data Center Map has no data center in Warren County. The nearest activity on record is next door in Chautauqua County.
Is Warren County adding jobs?
Employers counted 12,941 jobs in 2025 against 14,389 in 2019 (-10.1%, BLS QCEW). Construction went from 271 to 271.
Does Warren County have a data center moratorium?
No county-level measure is on record for Warren County. Pennsylvania has 36 local measures statewide, listed on the state page.