Spirit Mound Station is an oil-fired peaking plant near Vermillion in Clay County, South Dakota. EIA reports 135 MW of nameplate capacity and identifies Basin Electric Power Cooperative as operator; Basin reports 120 MW of winter net capacity from two units in its owned-and-operated portfolio. The plant-level headline remains the EIA nameplate figure.
Canonical EIA plant baseline.
plant-6092
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1 | 67.5 MW 50 MW summer | Petroleum Liquids Disillate Fuel Oil · GT | Jun 1978 | Operating |
| 2 | 67.5 MW 45 MW summer | Petroleum Liquids Disillate Fuel Oil · GT | Jun 1978 | Operating |
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.
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Project milestones and public references behind the asset profile.
EIA-860 lists generator 1, generator 2 with this operating date.
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 | |
|---|---|---|---|
| Laramie River Station | 1,863 MW | WY | |
| Antelope Valley | 954 MW | ND | |
| Pioneer Generation Station | 897.3 MW | ND | |
| Leland Olds | 656 MW | ND | |
| Dry Fork Station | 483.7 MW | WY | |
| Lonesome Creek Station | 363 MW | ND | |
| Deer Creek Station | 324 MW | SD | |
| Groton Generation Station | 216.4 MW | SD |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioAnswered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Spirit Mound has a reported capacity of 135 MW. Source: EIA Form 860M.
Spirit Mound is a Petroleum Liquids facility in Clay County, SD, participating in the SPP market.
Spirit Mound is in Clay County, SD, inside the SPP balancing area.
Spirit Mound is operated by Basin Electric Power Coop according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Spirit Mound reported 3.2 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.
By capacity, Spirit Mound ranks #41 of 705 operating plants of the same technology nationally. It ranks #1 of 5 in SD.
