Mountain Creek
Mountain Creek Power, LLC · Dallas County · ERCOT
Mountain Creek Steam Electric Station is a three-unit natural-gas steam plant in Dallas, Texas. EIA's May 2026 inventory reports 852.2 MW nameplate and 808 MW net summer and winter capability. Units 6, 7, and 8 began operating in February 1956, March 1958, and July 1967, respectively. Mountain Creek Power, LLC is the registered operator and the holder of TCEQ Federal Operating Permit O58.
Overview
Key fields
- Net summer capacity
- 808 MW
EIA May 2026 · three generators
- Nameplate capacity
- 852.2 MW
135.7 MW · 136 MW · 580.5 MW
- Net winter capacity
- 808 MW
EIA May 2026
- 2024 generation
- 479 GWh
EIA 923 · 2024 calendar year
- Settlement points
- MCSES_UNIT6-8
ERCOT current public listing
- Registry anchor
- Plant 3453
Mountain Creek Power, LLC
Resource stack
- 3 resources
MCSES_UNIT6 · MCSES_UNIT7
Profile
- Grid role
- Dispatchable natural-gas steam generation in ERCOT.
- Operating configuration
- Three steam turbines: units 6, 7, and 8.
- Market mapping
- ERCOT's current public price list includes MCSES_UNIT6, MCSES_UNIT7, and MCSES_UNIT8.
- Environmental record
- TCEQ RN101559235; Federal Operating Permit O58; NSR permit 45417; wastewater permit WQ0001250000.
Structured profile
- Owner / operator
- Mountain Creek Power, LLC
EIA and TCEQ
- Operating generators
- 3
1956 · 1958 · 1967
- Plant type
- Natural-gas steam
Non-CHP
- TCEQ entity
- RN101559235
O58 · NSR 45417
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 2 | 31.2 MW 24 MW summer | Natural Gas Steam Turbine Natural Gas · ST | — | Operating |
| 3 | 74.9 MW 70 MW summer | Natural Gas Steam Turbine Natural Gas · ST | — | Operating |
| 6 | 135.7 MW 122 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Feb 1956 | Operating |
| 7 | 136 MW 118 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Mar 1958 | Operating |
| 8 | 580.5 MW 568 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Jul 1967 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 958.3 MW
- National rank
- #28
- TX rank
- #6
Monthly generation
Download CSVMonthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
ERCOT disclosed dispatch
3 ERCOT market resources · Gas steam
Generation
3 mo through May 22, 2026Capacity factor is average output vs. this plant's observed peak.
Output by hourlocal time · 90 days through May 22, 2026
Latest disclosed outputhourly · 2 weeks ending May 22, 2026
Generation from ERCOT's 60-Day SCED Disclosure (≈60-day lag), summed over this site's market resources.
Grid and market context
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Market registration
ERCOT public disclosuresOperating context
ERCOT market recordsInterconnection record
ERCOT GIS ReportMatched to the latest available ERCOT generation-interconnection queue record. Queue status and completion dates describe the queue record; operating status is verified separately against plant and market registrations.
Nearby substations
HIFLD infrastructure inventoryCommercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Land and environmental record
Related parties and identifiers
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Relationship graph
Drag organizations to explore the network. Select a node to pin its details and available page link.
Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Owner | Owner for Mountain Creek | |
| Co-owner | Co-owner for Mountain Creek | |
| Market resources | MCSES_UNIT6, MCSES_UNIT7, MCSES_UNIT8 | Linked ERCOT resources. |
| Grid selection | plant:plant-3453 | Canonical asset page /ercot/assets/plant/mountain-creek. |
Reporting portfolio
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Unit 6 entered serviceEIA May 202...
EIA reports February 1956 as the operating month for Unit 6.
- Unit 7 entered serviceEIA May 202...
EIA reports March 1958 as the operating month for Unit 7.
- Unit 8 entered serviceEIA May 202...
EIA reports July 1967 as the operating month for Unit 8.
- Trafigura and Frontier acquisition announcedTrafigura M...
Trafigura announced that its joint venture with Frontier Group had acquired Mountain Creek for an undisclosed amount.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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