Auglaize County, Ohio: Power, Data Centers and the Local Economy
Home to Duchouquet Township, St. Marys Township and Wapakoneta

No data center or power plant project is on record in Auglaize County, but the national build-out still reaches it through its utility bill, its labor market and the projects next door. Auglaize County is home to Duchouquet Township, St. Marys Township, Wapakoneta and St. Marys. Next door, Shelby County has 1 data center. 1 MW has retired here since 2019, including New Knoxville (petroleum, 1 MW, 2022). 14 MW of that came online in 2019 or later, mostly solar. Its power plants have 50 MW of capacity, 35% of it solar.
Cities and towns in Auglaize County
Auglaize County is home to Duchouquet Township, St. Marys Township, Wapakoneta and St. Marys.
Unincorporated communities (governed by the county): New Hampshire, St. Johns, Uniopolis.
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 Auglaize County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Ohio |
|---|---|---|---|---|
| Population (2020 → 2025) | 46,466 | 45,909 | ▼ 1.2% | 53rd of 88 by size |
| Total jobs (2019 → 2025) | 22,071 | 22,204 | ▲ 0.6% | 45th of 88 by growth |
| Average annual pay (2019 → 2025) | $45,913 | $59,088 | ▲ 28.7% | — |
| Unemployment rate (2019 → August 2026) | 3.1% | 2.7% | ▼ 0.4pts | — |
| Generating capacity added since 2019 | — | 14 MW | — | |
| Generating capacity retired since 2019 | — | 1 MW | — |
Ohio Power Co is the largest utility serving Auglaize County, one of 12 with territory here. Its residential customers paid an average 19.33¢/kWh in 2024, above the 15.40¢ median for Ohio utilities. Unemployment was 2.7% in August 2026, against 3.1% in 2019. Employers here counted 22,204 jobs in 2025, up 0.6% from 2019. 45,909 people live here, down 1.2% since 2020.
Who powers Auglaize County
Net change in operating capacity since 2019: +13 MW. Colors follow the fuel legend above.
Utilities with service territory in Auglaize County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Ohio Power Co | Investor Owned | Bundled | 1,339,232 | 19.33¢ | 22% |
| Dayton Power & Light Co | Investor Owned | Bundled | 478,741 | 15.32¢ | 20% |
| Pioneer Rural Elec Coop, Inc - (OH) | Cooperative | Bundled | 16,310 | 16.18¢ | 6% |
| Midwest Electric, Inc - (OH) | Cooperative | Bundled | 10,836 | 15.27¢ | 34% |
| City of Celina - (OH) | Municipal | Bundled | 7,557 | 9.12¢ | 28% |
| Village of Minster - (OH) | — | — | — | — | — |
| Village of New Bremen - (OH) | — | — | — | — | — |
| Village of New Knoxville - (OH) | — | — | — | — | — |
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 5
| Technology | Capacity | Share |
|---|---|---|
| Solar | 18 MW | 35% |
| Petroleum | 14 MW | 28% |
| Natural gas | 11 MW | 22% |
| Battery storage | 7 MW | 14% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| St Marys | City of St Marys - (OH) | Petroleum | 25 MW | 1992 |
| Wapakoneta-Pratt | Madison Energy Holdings LLC | Solar | 14 MW | 2021 |
| HMV Minster Energy Storage System | Summit Ridge Energy | Battery storage | 7 MW | 2016 |
| HMW Minster PV I | Madison Energy Holdings LLC | Solar | 3 MW | 2015 |
| Minster 3 | Madison Energy Investments LLC | Solar | 1 MW | 2022 |
Retired since 2019
| Plant | Technology | MW | Year |
|---|---|---|---|
| New Knoxville | Petroleum | 1 MW | 2022 |
The Auglaize County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 22,204 | $59,088 | 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 Auglaize County
No data center, local measure or delayed project is on record in Auglaize County. Ohio has 105 local measures on record statewide.
Auglaize County and its neighbors
Of the 7 counties that border Auglaize County, Van Wert 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 |
|---|---|---|---|---|---|---|
| Auglaize County | 45,909 | ▲ 0.6% | 50 MW | — | — | — |
| Allen County | 100,881 | ▼ 0.3% | — | — | — | — |
| Darke County | 51,520 | ▲ 0.3% | 248 MW | — | — | — |
| Hardin County | 30,072 | ▼ 7.0% | 619 MW | — | — | — |
| Logan County | 46,302 | ▲ 1.5% | 253 MW | — | — | — |
| Mercer County | 42,737 | ▼ 0.3% | 4 MW | — | — | — |
| Shelby County | 48,065 | ▼ 4.4% | 17 MW | — | 1 | — |
| Van Wert County | 29,013 | ▼ 6.3% | 903 MW | 46 MW | — | — |
More of Ohio
Auglaize County, answered from the record
Who provides electricity in Auglaize County, Ohio?
12 utilities have service territory in Auglaize County in the EIA-861 2024 report: Ohio Power Co, Dayton Power & Light Co, Pioneer Rural Elec Coop, Inc - (OH), Midwest Electric, Inc - (OH). The largest, Ohio Power Co, charged residential customers 19.33¢/kWh on average in 2024.
What county is Duchouquet Township, OH in?
Duchouquet Township is in Auglaize County, Ohio. About 14,357 people live there (2025 Census estimate).
What county is St. Marys Township, OH in?
St. Marys Township is in Auglaize County, Ohio. About 11,069 people live there (2025 Census estimate).
What power plants are in Auglaize County?
5 operating plants with 50 MW of capacity. The largest is St Marys (25 MW, petroleum).
Are there data centers in Auglaize County?
The SAVRN Data Center Map has no data center in Auglaize County. The nearest activity on record is next door in Shelby County.
Is Auglaize County adding jobs?
Employers counted 22,204 jobs in 2025 against 22,071 in 2019 (+0.6%, BLS QCEW).
Does Auglaize County have a data center moratorium?
No county-level measure is on record for Auglaize County. Ohio has 105 local measures statewide, listed on the state page.