Sweetwater Wind 4 LLC
Leeward Renewable Energy · Nolan County · ERCOT
Sweetwater Wind 4 is a 241 MW wind facility in Nolan County, Texas. EIA's May 2026 inventory lists one operating generator under Plant ID 56337, with service beginning in May 2007 and Leeward Asset Management as the registered operator. Leeward Renewable Energy reports 135 Mitsubishi Heavy Industries 1 MW turbines and 46 Siemens 2.3 MW turbines.
Overview
Key fields
- Operating capacity
- 241 MW
EIA and Leeward
- Turbines
- 181
135 Mitsubishi · 46 Siemens
- Site area
- 28,000 acres
Leeward
- Operating year
- 2007
Leeward
- Registry anchor
- Plant 56337
Leeward Asset Management LLC
Profile
- Grid role
- Utility-scale wind generation in ERCOT.
- Operating record
- 241 MW · May 2007 EIA service month.
- Equipment
- 135 Mitsubishi 1 MW turbines · 46 Siemens 2.3 MW turbines.
- Commercial structure
- Leeward majority owner · Duke 47% · CPS Energy long-term offtaker.
Structured profile
- Operating capacity
- 241 MW
EIA and Leeward
- Equipment
- 181 turbines
Leeward
- Minority owner
- Duke Energy Renewables · 47%
Leeward
- Offtaker
- CPS Energy
Leeward
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| SW4 | 241 MW 241 MW summer | Onshore Wind Turbine Wind · WT | May 2007 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 241 MW
- National rank
- #163
- TX rank
- #53
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.
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.
Interconnection 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 |
|---|---|---|
| Majority owner, operator and asset manager | Leeward Sweetwater Wind 4 project page | |
| Long-term power purchaser | Leeward Sweetwater Wind 4 project page | |
| Grid selection | plant:plant-56337 | Canonical asset page /ercot/assets/plant/sweetwater-wind-4-llc. |
Reporting portfolio
| Largest reported plants | Capacity | State |
|---|---|---|
| Cedar Creek Wind | 300.5 MW | CO |
| Chaparral Springs | 262 MW | CA |
| Sweetwater Wind 4 LLCCurrent | 241 MW | TX |
| Aragonne Wind LLC | 235 MW | NM |
| Morrow Lake Solar | 200 MW | TX |
| Horizon Solar | 200 MW | TX |
| Big Plain Solar, LLC | 196 MW | OH |
| White Wing Solar | 179 MW | AZ |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioTimeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Project Entered ServiceLeeward Swe...
EIA reports May 2007; Leeward reports commercial operation in 2007.
Sources
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