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780 MW Natural Gas operating in St Joseph, IN — PJM Interconnection, LLC
780 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2018
Operating Since
Coordinates
41.6985, -86.4804
County
St Joseph, IN
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | St Joseph Energy Center LLC | — | — |
| Owner(s) | St Joseph Energy Center LLC | — | — |
| Status | Operating | — | — |
The St. Joseph Energy Center is a 780 MW natural gas-fired combined cycle power plant located in St. Joseph County, Indiana. The plant began operating in 2018 and is owned and operated by St. Joseph Energy Center LLC. It consists of 3 generators using natural gas as its primary fuel source. The facility ranks as the 3rd largest of 20 power plants in Indiana, and 264th out of 945 plants nationally.
The St. Joseph Energy Center operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In its most recent year of operation, the plant generated 5,335,234 MWh of electricity, achieving a capacity factor of 78.0%.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
553.8K MWh
Latest Month
5.3M MWh
Annual Generation
78.0%
Capacity Factor
CO₂ Intensity
800 lb/MWh
NOx
0.047 lb/MWh
SO₂
2018
$837/kW
Est. Construction Cost
Total estimated cost: $652.9M
Point of Interconnection
Nearest Substation
Elderberry Substation · 345 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
SJEC
Pricing Hub
N ILLINOIS HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
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ask pi about St Joseph Energy CenterPJM Interconnection, LLC (PJM)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0.004 lb/MWh
CH₄
0.015 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
73.1%
Annual Net Gen
4996 GWh
CO₂eq
801 lb/MWh
Subregion
RFC West