Tres Bahias Solar
195 MW generation in Calhoun, TX · In queue since March 2019 · Proposed COD February 2026
195 MW
Capacity
1
Components
Solar
7y 2m
In Queue
IA Executed
IA Status
Signed Aug 2020
Queue → IA
1y 5m
IA → COD
5y 6m
Total Duration
1y 5m
Schedule
2 months past proposed COD
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 12–24 months
Proposed COD: 2026-02-28
The Tres Bahias Solar project is a proposed 195 MW solar generation facility located in Calhoun County, Texas. The developer is Tres Bahias Solar Power LLC. The project is listed in the ERCOT interconnection queue as entry ERCOT-20INR0266, with a queue entry date of March 26, 2019, and a proposed commercial operation date of February 28, 2026. The interconnection agreement (IA) has been executed as of August 7, 2020.
The proposed project is linked to the existing Tres Bahias operating plant (EIA plant ID 65947). The Tres Bahias Solar project has been the subject of recent news coverage, with 31 articles appearing in the press.
Generated from interconnection queue and public data sources
State
TX
County
Calhoun
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Tres Bahias Solar Power LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
8140 Joslin 138kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- TREB_SOLAR1
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.
Last updated 2026-04-09
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