Ottumwa reports 725.9 MW coal in MISO.
Mapped infrastructure geometry associated with this asset.
EIA plant 6254 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| 1 | Conventional Steam Coal | Operating | 725.9 | Unknown |
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Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1 | 725.9 MW 714.1 MW summer | Conventional Steam Coal Subbituminous Coal · ST | May 1981 | 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 | |
|---|---|---|---|
| OttumwaCurrent | 725.9 MW | IA | |
| Marshalltown Generating Station | 708.8 MW | IA | |
| Emery Station | 602.8 MW | IA | |
| Upland Prairie | 299.3 MW | IA | |
| Burlington (IA) | 290.8 MW | IA | |
| Wever Solar (150MW) | 249 MW | IA | |
Project milestones and public references behind the asset profile.
EIA-860 lists generator 1 with this operating date.
Spray dryer absorbers installed.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Ottumwa reports 725.9 MW coal of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Ottumwa is a Conventional Steam Coal facility in Wapello County, IA, participating in the MISO market.
Ottumwa is in Wapello County, IA, inside the MISO balancing area.
Ottumwa is operated by Interstate Power and Light Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Ottumwa reported 3,529.7 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Ottumwa ranks #96 of 205 operating plants of the same technology nationally. It ranks #3 of 9 in IA.
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.
