Castle Gap Wind
Swift Current Energy · Mills & Lampasas Counties · ERCOT
Castle Gap Wind is a wind power facility with 196.8 MW of EIA-reported operating capacity in Mills County, Texas, registered as EIA Plant ID 65790. Swift Current Energy is the public owner or developer; Castle Gap Wind Power, LLC is the registered plant entity or operator. The facility uses N149/4. X (N149/4.0–4.5) turbines. Commercial operation began on October 1, 2023.
Overview
Key fields
- Reported capacity
- 196.8 MW
EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
- Technology
- Onshore Wind Turbine
Primary generation technology.
- Registry anchor
- Plant 65790
Castle Gap Wind Power, LLC · Mills County · ERCOT
- Operating status
- Operating
Castle Gap Wind is operating.
- Commercial operation
- October 1, 2023
Best-supported operating milestone.
- Resource stack
- 1 resource
AGUAYO_UNIT1
Profile
- Grid role
- Utility-scale wind generation in ERCOT's energy-only market.
- Physical build
- Turbine supply & installation: 41 Nordex N149/4. X onshore wind turbines (N149/4.0–4.5, Delta4000 series), each operating up to 4.8 MW, totaling ~196.8 MW. Owner/operator: Swift Current Energy / Castle Gap Wind Power, LLC. Project sells into ERCOT and.
Structured profile
- Reported capacity
- 196.8 MW
Onshore Wind Turbine
- Commercial operation
- October 1, 2023
- Operating status
- operating
Castle Gap Wind is operating.
- Location
- Mills County
ERCOT
- Operator
- Castle Gap Wind Power, LLC
- Asset role
- wind
ERCOT · Mills County
- Owner
- Swift Current Energy
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| CGWIN | 196.8 MW 196.8 MW summer | Onshore Wind Turbine Wind · WT | Oct 2023 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 196.8 MW
- National rank
- #346
- TX rank
- #108
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
1 ERCOT market resource · Wind
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 recordsNearby 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.
Financing
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 / operator | Owner / developer associated with Castle Gap Wind. | |
| Operator | Castle Gap Wind Power, LLC | Registered entity associated with Castle Gap Wind. |
| Construction contractor | Supplier of Delta4000 / N149-series turbines ordered for the Castle Gap project. | |
| Financing arranger | MUFG acted as joint coordinating lead arranger and served as administrative and collateral agent on the project financing closed November 2, 2022. | |
| Financing arranger | CaixaBank acted as a joint coordinating lead arranger and green loan structuring agent on the project financing. | |
| EPC contractor | IEA Constructors | Named by the developer as the engineering, procurement and construction manager on the Castle Gap project. |
| Market resources | AGUAYO_UNIT1 | Linked ERCOT resources. |
| Grid selection | plant:plant-65790 | Canonical asset page /ercot/assets/plant/castle-gap-wind. |
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
- Turbine Supply AgreementSwift Curre...
Swift Current signed turbine-supply agreements with Nordex Group for the Castle Gap project (Nordex Delta4000 / N149-series machines).
- Commercial OperationEIA monthly...
EIA records an October 2023 operating date; Swift Current announced the operating project on November 13, 2023.
- Tax-Equity Financing (Project)Swift Curre...
Swift Current announced that Goldman Sachs provided tax-equity for the Castle Gap project concurrent with the commercial-operation announcement.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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