St Marys — Plant Summary
- EIA Plant ID
- 2942
- Capacity
- 25 MW
- Primary Fuel
- Oil
- Technology
- Natural Gas Fired Combustion Turbine, Petroleum Liquids
- Status
- Standby
- Location
- Auglaize, OH
- Operating Since
- 1992
- Generators
- 2
- Operator
- City of St Marys - (OH)
- Parent Company
- —
- Annual Generation
- 350 MWh
- Capacity Factor
- 0.2%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
St Marys
StandbyDistillate OilNatural GasHybrid
Ranked #3 of 36 Distillate Oil plants in OH#126 of 827 nationally
25 MW Natural Gas Fired Combustion Turbine (11 MW) + Petroleum Liquids (14 MW) standby in Auglaize, OH — PJM Interconnection, LLC
EIAWD
25 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combustion Turbine + Petroleum Liquids
1992
Operating Since
Location
Coordinates
40.5458, -84.3889
County
Auglaize, OH
Nearby Plants
- HMV Minster Energy Storage SystemBESS7 MW · 16.3 km
- PrattDistillate Oil15.5 MW · 17.0 km
- Wapakoneta-PrattSolar13.5 MW · 17.1 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of St Marys - (OH) | — | — |
| Owner(s) | City of Amherst- (OH), City of Bowling Green - (OH), City of Cuyahoga Falls - (OH), City of Dover - (OH), City of Galion, City of Hamilton - (OH), City of Niles - (OH), City of Painesville, City of St Marys - (OH), City of Wadsworth - (OH) | — | — |
| Status | Standby | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The St Marys plant, located in Auglaize County, Ohio, has a total capacity of 25 MW. The plant began operating in 1992 and is owned and operated by the City of St Marys. The primary fuel source is distillate fuel oil (DFO), and the plant utilizes both natural gas-fired combustion turbine and petroleum liquids technologies, classifying it as a hybrid plant. It consists of two generators.
The St Marys plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In terms of size, it is ranked 5th out of 38 similar plants in Ohio and 162nd out of 886 nationally. The plant's latest annual generation was 350 MWh, resulting in a capacity factor of 0.2%.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
12.47 kV
Regulatory Status
RE
Entity Type
Municipal
Sector
Electric Utility
Generation
40 MWh
Latest Month
350 MWh
Annual Generation
0.2%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
PJM
LMP Node
CITYSTMA138 KV LOAD
Pricing Hub
AEP-DAYTON HUB
Location Type
Load Node
Node Source
Curated node match
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