Post Oak Wind LLC is a wind power facility with 200 MW of EIA-reported operating capacity in Shackelford County, Texas, registered as EIA Plant ID 56483. Horizon Wind Energy LLC is the public owner or developer; Mesquite Wind LLC is the registered plant entity or operator. Commercial operation began in December 2007. The facility interconnects at Post Oak 2 substation (connects to ONCOR Long Creek Switching Station) at 138 kV.
EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
Primary generation technology.
Mesquite Wind LLC · Shackelford County · ERCOT
Post Oak Wind LLC is operating.
138 kV · ONCOR
Best-supported operating milestone.
Onshore Wind Turbine
138 kV · ONCOR
ERCOT · Shackelford County
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1 | 200 MW 200 MW summer | Onshore Wind Turbine Wind · WT | Mar 2008 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Drag organizations to explore the network. Select a node to pin its details and available page link.
Project milestones and public references behind the asset profile.
PUC registration indicated the wind farm expected to begin generating electricity by July 2007 (developer/registration filing).
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Post Oak Wind LLCCurrent | 200 MW | TX | |
| Mesquite Wind Power LLC | 200 MW | TX |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioPUC registration indicated the wind farm expected to be fully operational in December 2007 (developer/registration filing).
EIA-860 lists generator 1 with this operating date.
A recorded ERCOT interconnection document (Amendment No.2, GIR 04INR0011a – POST OAK WIND (LONE STAR II)) is dated Feb 9, 2026 (administrative/interconnection filing).
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Post Oak Wind LLC has a reported capacity of 200 MW. Source: EIA Form 860.
Post Oak Wind LLC is a Onshore Wind Turbine facility in Shackelford County, TX, participating in the ERCOT market.
Post Oak Wind LLC is in Shackelford County, TX, inside the ERCOT balancing area.
Post Oak Wind LLC is operated by Mesquite Wind LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Post Oak Wind LLC reported 377 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.
Post Oak Wind LLC interconnects at Post Oak 2 substation (connects to ONCOR Long Creek Switching Station), on the ONCOR system.
By capacity, Post Oak Wind LLC ranks #276 of 1,362 operating plants of the same technology nationally. It ranks #93 of 228 in TX.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.
