Sioux reports 1,099.4 MW coal in MISO.
Mapped infrastructure geometry associated with this asset.
EIA plant 2107 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| 1 | Conventional Steam Coal | Operating | 549.7 | Unknown |
| 2 | Conventional Steam Coal | Operating | 549.7 | Unknown |
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1 | 549.7 MW 487 MW summer | Conventional Steam Coal Subbituminous Coal · ST | May 1967 Retirement: Dec 2028 | Operating |
| 2 | 549.7 MW 487 MW summer | Conventional Steam Coal Subbituminous Coal · ST | May 1968 Retirement: Dec 2028 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
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| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Labadie | 2,389.4 MW | MO | |
| Callaway | 1,235.8 MW | MO | |
| SiouxCurrent | 1,099.4 MW | MO | |
| Audrain Generating Station | 814.4 MW | MO | |
| Goose Creek Energy Center | 684 MW | IL | |
| Venice | 586 MW | IL | |
Project milestones and public references behind the asset profile.
EIA-860 lists generator 1 with this operating date.
EIA-860 lists generator 2 with this operating date.
CCN application with three advanced-class combined cycle units, operational by end of 2031.
EIA-860 lists a planned retirement for generator 1, generator 2.
Closure range from Ameren Missouri 2025 Preferred Resource Plan change.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Sioux reports 1,099.4 MW coal of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Sioux is a Conventional Steam Coal facility in St Charles County, MO, participating in the MISO market.
Sioux is in St Charles County, MO, inside the MISO balancing area.
Sioux is operated by Union Electric Co - (MO) according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Sioux reported 3,609.5 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Sioux ranks #73 of 205 operating plants of the same technology nationally. It ranks #5 of 8 in MO.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
