Clay Boswell reports 922.5 MW coal in MISO.
Mapped infrastructure geometry associated with this asset.
EIA plant 1893 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| 3 | Conventional Steam Coal | Operating | 364.5 | Unknown |
| 4 | Conventional Steam Coal | Operating | 558 | Unknown |
| D4 | Petroleum Liquids | Standby | 0.8 | Unknown |
| 1 | Conventional Steam Coal | Retired | 75 | Unknown |
| 2 | Conventional Steam Coal | Retired | 75 | 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 | 75 MW 67.3 MW summer | Conventional Steam Coal Subbituminous Coal · ST | Jul 1958 Retirement: Dec 2018 | Operating |
| 2 | 75 MW 67.4 MW summer | Conventional Steam Coal Subbituminous Coal · ST | Jan 1960 Retirement: Dec 2018 | Operating |
| 3 | 364.5 MW 352 MW summer | Conventional Steam Coal Subbituminous Coal · ST | May 1973 Retirement: Dec 2029 | Operating |
| 4 | 558 MW 585 MW summer | Conventional Steam Coal Subbituminous Coal · ST | May 1980 | Operating |
| D4 | 0.8 MW 0.8 MW summer | Petroleum Liquids Disillate Fuel Oil · IC | Apr 1980 | Standby/Backup: available for service but not normally used |
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.
| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Clay BoswellCurrent | 922.5 MW | MN | |
| Bison 4 Wind Energy Center | 205 MW | ND | |
| Syl Laskin | 116 MW | MN | |
| Bison 2 Wind Energy Center | 105 MW | ND | |
| Bison 3 Wind Energy Center | 105 MW | ND | |
| Bison I Wind Energy Center | 81.8 MW | ND | |
| M L Hibbard | 72.8 MW | MN | |
| Thomson | 72.6 MW | MN |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioProject 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.
EIA-860 lists generator 3 with this operating date.
EIA-860 lists generator D4 with this operating date.
EIA-860 lists a planned retirement for generator 1, generator 2.
Refuel of Unit 3 with gas by 2030; Unit 4 decision deferred.
EIA-860 lists a planned retirement for generator 3.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Clay Boswell reports 922.5 MW coal of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Clay Boswell is a Conventional Steam Coal facility in Itasca County, MN, participating in the MISO market.
Clay Boswell is in Itasca County, MN, inside the MISO balancing area.
Clay Boswell is operated by ALLETE, Inc. according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Clay Boswell reported 5,595.8 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Clay Boswell ranks #77 of 205 operating plants of the same technology nationally. It ranks #2 of 7 in MN.
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.
EIA-860 lists generator 4 with this operating date.
