1099.4 MW Sub. Coal operating in St Charles, MO — Midcontinent Independent Transmission System Operator, Inc..
1,099.4 MW
Nameplate Capacity
2
Generators
units
Conventional Steam Coal
Technology
1967
Operating Since
Coordinates
38.9155, -90.2903
County
St Charles, MO
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Union Electric Co - (MO) | — | Ameren Missouri |
| Owner(s) | Union Electric Co - (MO) | — | — |
| Status | Operating | — | — |
Sioux Power Plant is a coal-fired power plant in Missouri.
Read more on WikipediaThe Sioux power plant is a 1099.4 MW coal-fired generating station located in St. Charles County, Missouri. The plant began operating in 1967 and utilizes conventional steam coal technology with subbituminous coal (SUB) as its primary fuel. It consists of two generating units and is operated by Union Electric Co. (MO). Sioux ranks as the 5th largest power plant in Missouri (out of 6 total plants) and 35th nationally (out of 75 plants).
Sioux operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the SERC NERC region. The plant's latest annual generation was 3,986,364 MWh, achieving a capacity factor of 41.6%. Financial data indicates an installed cost of $1298.67 per kW, as reported to FERC.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
323.6K MWh
Latest Month
4.0M MWh
Annual Generation
41.6%
Capacity Factor
$1,456/kW
Installed Cost
$37.7/MWh
Operating Cost
UNION ELECTRIC COMPANY
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
AMMO.SIOUX1
Pricing Hub
ILLINOIS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
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