Iron Cowboy Solar (ERCOT-28INR0305) — Project Summary

Queue ID
ERCOT-28INR0305
Capacity
120.69 MW
Technology
Solar
Status
active
Location
San Patricio, TX
Region
ERCOT
Developer
Vaquero II Solar, LLC
IA Status

Iron Cowboy Solar

ERCOT-28INR0305BetaActiveSolarPhotovoltaic SolarERCOTLive · ERCOT

120.69 MW generation in San Patricio, TX · In queue since June 2025 · Proposed COD December 2028

120.69 MW

Capacity

0

Components

11 months

In Queue

IA Status

COD target: 2028

Status
as of 22 months ago
Project statusProposedpinecountynews.com · 2024-07-24
Interconnection

Total Duration

3y 6m

Pre-Study0%
Queue EntryJun 5, 2025

Interconnection request submitted to ISO/RTO

Interconnection Study

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2028-12-29

About

The Iron Cowboy Solar project is a proposed 120.69 MW solar photovoltaic generation facility in San Patricio County, Texas. Developed by Vaquero II Solar, LLC, the project is currently active in the ERCOT interconnection queue as entry ERCOT-28INR0305, with a queue entry date of June 5, 2025. The proposed commercial operation date is December 29, 2028.

The project intends to interconnect at Bus #8920 Haisley 4A 138 kV. The Iron Cowboy Solar project has been the subject of recent news coverage.

Generated from interconnection queue and public data sources

Project Details

State

TX

County

San Patricio

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Vaquero II Solar, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

Bus #8920 Haisley 4A 138 kV

Data Source

Live · ERCOT

DeveloperSB EnergyE&E News by POLITICO · 2024-10-21
TransactionPPAE&E News by POLITICO · 2024-10-21
OfftakerGoogleE&E News by POLITICO · 2024-10-21
PPA structurePhysicalE&E News by POLITICO · 2024-10-21
Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_NORTH
Hub Confidence
LOW

This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.

News & Articles (2)Beta

Last updated 2026-03-26

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