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Marshall Energy CenterUnder construction

Saline County, Missouri · EIA plant ID 69890 · Operator: Missouri Jnt Muni.Pwr Elec. Ut. Comm.
Natural gasSPPBA: SWPP

46 MW under construction · 76 MW planned (Natural Gas Fired Combustion Turbine), first expected Dec 2026 · EIA-860M

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Nameplate—MWSummer — MW
Generators0in service · 46 MW building
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—thermal plants only
First online—

Capacity factor by year

Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
No capacity factor available.

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
UNIT1Natural Gas Fired Combustion TurbineGT23.119.9planned Dec 2026Under construction—coming soon
UNIT2Natural Gas Fired Combustion TurbineGT23.119.9planned Dec 2026Under construction—coming soon
UNIT3Natural Gas Fired Combustion TurbineGT3833.7planned Dec 2028Planned—coming soon
UNIT4Natural Gas Fired Combustion TurbineGT3833.7planned Dec 2028Planned—coming soon

Owner / operator

Operator: Missouri Jnt Muni.Pwr Elec. Ut. Comm.. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).

Nearby plants

Within 80 km.
Marshall (MO)31 MW0.1 km
Marshall Solar Farm (MO)3 MW3.2 km
Carrollton21 MW35.9 km
Higginsville52 MW44.3 km
Fayette11 MW45.4 km
Higginsville Solar Farm3 MW47 km