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.
Metric or condition Source value Basis, scope and stage Nameplate Capacity (MW) 250 MW Original source column definition · Generator · Canceled or Postponed Net Summer Capacity (MW) 250 MW Original source column definition · Generator · Canceled or Postponed Net Winter Capacity (MW) 250 MW Original source column definition · Generator · Canceled or Postponed
Detailed source fields Original source field Published value or condition Entity ID 64545 Entity Name Vesper Energy Development LLC Plant ID 68015 Plant Name Emerald Hill Energy Storage Google Map Map Bing Map Map Plant State TX County Dallas Balancing Authority Code ERCO Sector IPP Non-CHP Generator ID EMHES Nameplate Capacity (MW) 250 Net Summer Capacity (MW) 250 Net Winter Capacity (MW) 250 Technology Batteries Energy Source Code MWH Prime Mover Code BA Latitude 32.580389 Longitude -96.87545 Original text Canceled or Postponed Coordinate accuracy source_precision_not_independently_surveyed source_record_id Canceled or Postponed:1677
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#Retired and Canceled:5756
Sources EV-b9a26a6d08c1044ca160cbf9 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 Canceled or Postponed:1677
Sources EV-25f8c601de58948a2843be0a Usage terms US government public domain
Observations for this power asset View on the global map Metric or condition Source value Basis, scope and stage
Detailed source fields Original source field Published value or condition Entity ID 64545 Entity Name Vesper Energy Development LLC Plant ID 68015 Plant Name Emerald Hill Energy Storage Google Map Map Bing Map Map Plant State TX County Dallas Balancing Authority Code ERCO Sector IPP Non-CHP Generator ID EMHES Nameplate Capacity (MW) 250 Net Summer Capacity (MW) 250 Net Winter Capacity (MW) 250 Technology Batteries Energy Source Code MWH Prime Mover Code BA Latitude 32.580389 Longitude -96.87545 Original text Canceled or Postponed source_record_id Canceled or Postponed:1677
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 Canceled or Postponed:1677
Sources EV-25f8c601de58948a2843be0a Usage terms US government public domain
Observations for this power asset Source snapshots by date · USA · eia860 Emerald Hill Energy Storage / EMHES Generator · Cancelled
Metric or condition Source value Basis, scope and stage
Detailed source fields Original source field Published value or condition Utility ID 64545 Utility Name Vesper Energy Development LLC Plant Code 68015 Plant Name Emerald Hill Energy Storage State TX County Dallas Generator ID EMHES Technology Batteries Prime Mover BA Ownership S Duct Burners X Can Bypass Heat Recovery Steam Generator? X Nameplate Capacity (MW) 250 Summer Capacity (MW) 250 Winter Capacity (MW) 250 Uprate or Derate Completed During Year N Status CN Synchronized to Transmission Grid X Sector Name IPP Non-CHP Sector 2 Energy Source 1 MWH Multiple Fuels? N Cofire Fuels? N Switch Between Oil and Natural Gas? N Original text CN source_record_id 3_1_Generator_Y2025.xlsx#Retired and Canceled:5756
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#Retired and Canceled:5756
Sources EV-b9a26a6d08c1044ca160cbf9 Usage terms US government public domain
Observations for this power asset 