POWER & FACILITY EVIDENCE
Power and Facility Evidence Database Review power assets, contract observations, facility specifications and relationships from public sources.
Global Facilities and Power Map Korea Site and Power Map Korea Data Center Database This partial collection preserves source-level observations. Generation and registered connection capacity are distinct from spare supply capacity for data centers. Planned dates and contract announcements do not confirm energization or supply commencement.
Current filters 3items · current page 1–3 · Source records, not unique facilities.
Power assets and projects · USA · eia860m Big Stone / 1 Generator · Operations
Metric or condition Source value Basis, scope and stage Nameplate Capacity (MW) 450 MW Original source column definition · Generator · (OP) Operating Net Summer Capacity (MW) 477.6 MW Original source column definition · Generator · (OP) Operating Net Winter Capacity (MW) 491.2 MW Original source column definition · Generator · (OP) Operating
Detailed source fields Original source field Published value or condition Entity ID 14232 Entity Name Otter Tail Power Co Plant ID 6098 Plant Name Big Stone Google Map Map Bing Map Map Plant State SD County Grant Balancing Authority Code MISO Sector Electric Utility Generator ID 1 Nameplate Capacity (MW) 450 Net Summer Capacity (MW) 477.6 Net Winter Capacity (MW) 491.2 Technology Conventional Steam Coal Energy Source Code SUB Prime Mover Code ST Operating Month 5 Operating Year 1975 Status (OP) Operating Latitude 45.303652 Longitude -96.51007 Original text (OP) Operating Coordinate accuracy source_precision_not_independently_surveyed source_record_id Operating:6042
Parent facility or plant record
Coordinates locate the plant, including when this record describes one generator.
Location: Plant location · not an individual generator location
Sources, reference dates and retrieval dates 2items eia860 ↗ Data Source 2025 · Retrieved 2026-10-05
Source: U.S. Energy Information Administration (EIA), 2025 final / August 2026 preliminary.
Source location 3_1_Generator_Y2025.xlsx#Operable:6036
Sources EV-b39a1d36e3dfe88a7f64e993 Usage terms US government public domain
eia860m ↗ Data Source 2026-08 · Retrieved 2026-10-05
Source: U.S. Energy Information Administration (EIA), 2025 final / August 2026 preliminary.
Source location Operating:6042
Sources EV-76908024d621b799603854be Usage terms US government public domain
Observations for this power asset View on the global map Source snapshots by date · USA · eia860 Big Stone / 1 Generator · Operations
Metric or condition Source value Basis, scope and stage
Detailed source fields Original source field Published value or condition Utility ID 14232 Utility Name Otter Tail Power Co Plant Code 6098 Plant Name Big Stone State SD County Grant Generator ID 1 Technology Conventional Steam Coal Prime Mover ST Ownership J Duct Burners X Can Bypass Heat Recovery Steam Generator? X RTO/ISO LMP Node Designation OTP.BIGSTON1 RTO/ISO Location Designation for Reporting Wholesale Sales Data to FERC OTP.BIGSTON1 Nameplate Capacity (MW) 450 Nameplate Power Factor 0.9 Summer Capacity (MW) 477.6 Winter Capacity (MW) 491.2 Minimum Load (MW) 125 Uprate or Derate Completed During Year N Status OP Synchronized to Transmission Grid X Operating Month 5 Operating Year 1975 Associated with Combined Heat and Power System Y Sector Name Electric Utility Sector 1 Topping or Bottoming T Energy Source 1 SUB Energy Source 2 DFO Energy Source 3 AB Startup Source 1 DFO Solid Fuel Gasification System? N Carbon Capture Technology? N Time from Cold Shutdown to Full Load 12H Pulverized Coal Technology? Y Subcritical Technology? Y Multiple Fuels? Y Cofire Fuels? Y Switch Between Oil and Natural Gas? N Original text OP source_record_id 3_1_Generator_Y2025.xlsx#Operable:6036
Parent facility or plant record
No separate metric summary is available. Consult the detailed source fields.
Sources, reference dates and retrieval dates 1items eia860 ↗ Data Source 2025 · Retrieved 2026-10-05
Source: U.S. Energy Information Administration (EIA), 2025 final / August 2026 preliminary.
Source location 3_1_Generator_Y2025.xlsx#Operable:6036
Sources EV-b39a1d36e3dfe88a7f64e993 Usage terms US government public domain
Observations for this power asset Source snapshots by date · USA · eia860m Big Stone / 1 Generator · Operations
Metric or condition Source value Basis, scope and stage
Detailed source fields Original source field Published value or condition Entity ID 14232 Entity Name Otter Tail Power Co Plant ID 6098 Plant Name Big Stone Google Map Map Bing Map Map Plant State SD County Grant Balancing Authority Code MISO Sector Electric Utility Generator ID 1 Nameplate Capacity (MW) 450 Net Summer Capacity (MW) 477.6 Net Winter Capacity (MW) 491.2 Technology Conventional Steam Coal Energy Source Code SUB Prime Mover Code ST Operating Month 5 Operating Year 1975 Status (OP) Operating Latitude 45.303652 Longitude -96.51007 Original text (OP) Operating source_record_id Operating:6042
Parent facility or plant record
No separate metric summary is available. Consult the detailed source fields.
Sources, reference dates and retrieval dates 1items eia860m ↗ Data Source 2026-08 · Retrieved 2026-10-05
Source: U.S. Energy Information Administration (EIA), 2025 final / August 2026 preliminary.
Source location Operating:6042
Sources EV-76908024d621b799603854be Usage terms US government public domain
Observations for this power asset 