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30.8 MW Natural Gas Fired Combustion Turbine (15 MW) + Natural Gas Internal Combustion Engine (13 MW) + Petroleum Liquids (3 MW) operating in Saline, MO — Southwest Power Pool
30.8 MW
Nameplate Capacity
6
Generators
units
Hybrid (3)
Technology
Natural Gas Fired Combustion Turbine + Natural Gas Internal Combustion Engine + Petroleum Liquids
1972
Operating Since
Coordinates
39.1221, -93.2064
County
Saline, MO
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Marshall - (MO) | — | — |
| Owner(s) | City of Marshall - (MO) | — | — |
| Status | Operating | — | — |
The Marshall power plant, located in Saline County, Missouri, has a total capacity of 30.8 MW across six generators. The plant began operating in 1972 and is owned and operated by the City of Marshall, Missouri. The primary fuel source is distillate fuel oil (DFO), but the plant utilizes a hybrid technology mix including natural gas-fired combustion turbines and internal combustion engines, in addition to petroleum liquids.
In the most recent year of data, the plant generated 437 MWh of electricity, resulting in a capacity factor of 0.2%. The Marshall plant operates within the Southwest Power Pool (SPP) balancing authority and the SERC NERC region. It is ranked as the 15th largest power plant out of 38 in Missouri, and 138th out of 886 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Southwest Power Pool (SWPP)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
29 MWh
Latest Month
437 MWh
Annual Generation
0.2%
Capacity Factor
CO₂ Intensity
1488 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
23 lb/MWh
SO₂
0.490 lb/MWh
CH₄
0.028 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
0.6%
Annual Net Gen
2 GWh
CO₂eq
1489 lb/MWh
Subregion
SPP North
2013
$965/kW
Est. Construction Cost
Total estimated cost: $29.7M
Point of Interconnection
Nearest Substation
Miami Substation · 161 kV
Substation Distance
< 10 km
Operator
Marshall Municipal Utilities
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
MO.KC.MARS6.MP
Pricing Hub
SPP South Hub
Alt. Hub / Zone
SPP North Hub
Location Type
Settlement Location
Node Source
EIA-860 direct report
Last updated 2026-03-26
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