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 Horse Mesa / HM4 Generator · Operations
Metric or condition Source value Basis, scope and stage Nameplate Capacity (MW) 99.8 MW Original source column definition · Generator · (OP) Operating Net Summer Capacity (MW) 119 MW Original source column definition · Generator · (OP) Operating Net Winter Capacity (MW) 119 MW Original source column definition · Generator · (OP) Operating
Detailed source fields Original source field Published value or condition Entity ID 16572 Entity Name Salt River Project Plant ID 145 Plant Name Horse Mesa Google Map Map Bing Map Map Plant State AZ County Maricopa Balancing Authority Code SRP Sector Electric Utility Generator ID HM4 Nameplate Capacity (MW) 99.8 Net Summer Capacity (MW) 119 Net Winter Capacity (MW) 119 Technology Hydroelectric Pumped Storage Energy Source Code WAT Prime Mover Code PS Operating Month 6 Operating Year 1927 Status (OP) Operating Latitude 33.5907 Longitude -111.344 Original text (OP) Operating Coordinate accuracy source_precision_not_independently_surveyed source_record_id Operating:311
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:310
Sources EV-17fb79794efb64c17a6674f2 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:311
Sources EV-e70e3475087f4456b243e5bf Usage terms US government public domain
Observations for this power asset View on the global map Source snapshots by date · USA · eia860 Horse Mesa / HM4 Generator · Operations
Metric or condition Source value Basis, scope and stage
Detailed source fields Original source field Published value or condition Utility ID 16572 Utility Name Salt River Project Plant Code 145 Plant Name Horse Mesa State AZ County Maricopa Generator ID HM4 Technology Hydroelectric Pumped Storage Prime Mover PS Ownership S Duct Burners X Can Bypass Heat Recovery Steam Generator? X Nameplate Capacity (MW) 99.8 Nameplate Power Factor 0.9 Summer Capacity (MW) 119 Winter Capacity (MW) 119 Minimum Load (MW) 80 Uprate or Derate Completed During Year N Status OP Synchronized to Transmission Grid X Operating Month 6 Operating Year 1927 Associated with Combined Heat and Power System N Sector Name Electric Utility Sector 1 Topping or Bottoming X Energy Source 1 WAT Solid Fuel Gasification System? N Carbon Capture Technology? N Time from Cold Shutdown to Full Load 10M Multiple Fuels? N Original text OP source_record_id 3_1_Generator_Y2025.xlsx#Operable:310
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:310
Sources EV-17fb79794efb64c17a6674f2 Usage terms US government public domain
Observations for this power asset Source snapshots by date · USA · eia860m Horse Mesa / HM4 Generator · Operations
Metric or condition Source value Basis, scope and stage
Detailed source fields Original source field Published value or condition Entity ID 16572 Entity Name Salt River Project Plant ID 145 Plant Name Horse Mesa Google Map Map Bing Map Map Plant State AZ County Maricopa Balancing Authority Code SRP Sector Electric Utility Generator ID HM4 Nameplate Capacity (MW) 99.8 Net Summer Capacity (MW) 119 Net Winter Capacity (MW) 119 Technology Hydroelectric Pumped Storage Energy Source Code WAT Prime Mover Code PS Operating Month 6 Operating Year 1927 Status (OP) Operating Latitude 33.5907 Longitude -111.344 Original text (OP) Operating source_record_id Operating:311
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:311
Sources EV-e70e3475087f4456b243e5bf Usage terms US government public domain
Observations for this power asset 