Walter Scott Jr Energy Center is a coal-fired generating station in Pottawattamie County, Iowa, associated with the MISO registry. The EIA plant baseline lists 1,648.3 MW of nameplate capacity. MidAmerican Energy says Unit 4 began operations in 2007. The page treats the plant-level EIA capacity and the company's unit-specific operating history as separate source-backed records.
Canonical EIA plant baseline.
plant-1082
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1 | 49 MW 37.4 MW summer | Conventional Steam Coal Subbituminous Coal · ST | Mar 1954 Retirement: Mar 2015 | Operating |
| 2 | 81.6 MW 80.8 MW summer | Conventional Steam Coal Subbituminous Coal · ST | Oct 1958 Retirement: Mar 2015 | Operating |
| 3 | 725.8 MW 705.9 MW summer | Conventional Steam Coal Subbituminous Coal · ST | Dec 1978 | Operating |
| 4 |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
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.
Project milestones and public references behind the asset profile.
EIA-860 lists generator 1 with this operating date.
| 922.5 MW 805.8 MW summer |
Conventional Steam Coal Subbituminous Coal · ST |
| Jun 2007 |
| Operating |
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Walter Scott Jr Energy CenterCurrent | 1,648.3 MW | IA | |
| Louisa | 811.9 MW | IA | |
| George Neal South | 695.9 MW | IA | |
| George Neal North | 584.1 MW | IA | |
| Greater Des Moines | 576.3 MW | IA | |
| Highland Wind Project (IA) | 502 MW | IA | |
| Orient Wind Farm | 500.8 MW | IA | |
| Rolling Hills Wind Farm | 484.2 MW | IA |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
EIA-860 lists generator 2 with this operating date.
EIA-860 lists generator 3 with this operating date.
MidAmerican Energy says Unit 4 began operations in 2007.
EIA-860 lists generator 4 with this operating date.
EIA-860 lists a planned retirement for generator 1, generator 2.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Walter Scott Jr Energy Center has a reported capacity of 1,648.3 MW. Source: EIA Form 860M.
Walter Scott Jr Energy Center is a Conventional Steam Coal facility in Pottawattamie County, IA, participating in the MISO market.
Walter Scott Jr Energy Center is in Pottawattamie County, IA, inside the MISO balancing area.
Walter Scott Jr Energy Center is operated by MidAmerican Energy Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Walter Scott Jr Energy Center reported 6,692 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.
By capacity, Walter Scott Jr Energy Center ranks #27 of 206 operating plants of the same technology nationally. It ranks #1 of 9 in IA.
