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510.5 MW Natural Gas Fired Combined Cycle (285 MW) + Natural Gas Fired Combustion Turbine (167 MW) + Natural Gas Steam Turbine (59 MW) operating in Jones, MS — Midcontinent Independent Transmission System Operator, Inc..
510.5 MW
Nameplate Capacity
7
Generators
units
Hybrid (3)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine
1970
Operating Since
Coordinates
31.5280, -89.3004
County
Jones, MS
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Cooperative Energy | Cooperative Energy | — |
| Owner(s) | Cooperative Energy | Cooperative Energy | — |
| Status | Operating | — | — |
The Moselle power plant, located in Jones County, Mississippi, has a total capacity of 510.5 MW across 7 generators. The plant, which began operating in 1970, is owned and operated by Cooperative Energy. It utilizes a mix of technologies including natural gas fired combined cycle, natural gas fired combustion turbine, and natural gas steam turbine, making it a hybrid plant. The primary fuel source is natural gas.
In the latest year of reported generation, the plant produced 1,659,324 MWh, operating at a capacity factor of 37.1%. Moselle operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the SERC NERC region. The plant is ranked 15th out of 20 power plants in Mississippi and 479th out of 945 nationally. Financial data indicates a power purchase agreement (PPA) price of $50 per MWh, as reported to FERC.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility
175.0K MWh
Latest Month
1.7M MWh
Annual Generation
37.1%
Capacity Factor
CO₂ Intensity
1057 lb/MWh
NOx
0.216 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.020 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
47.9%
Annual Net Gen
2142 GWh
CO₂eq
1058 lb/MWh
Subregion
SERC South
Cooperative Energy · Data from 2023
$50.0/MWh
PPA Price
Point of Interconnection
Nearest Substation
Moselle Substation · 161 kV
Substation Distance
< 10 km
Operator
Cooperative Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
SME.MOS_5
Pricing Hub
MS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
Last updated 2026-04-09
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