Tanglewood Solar
250.96 MW generation in Brazoria, TX · In queue since July 2020 · Proposed COD March 2026
250.96 MW
Capacity
1
Components
Solar
5y 10m
In Queue
IA Executed
IA Status
Signed Nov 2022
Queue → IA
2y 4m
IA → COD
3y 4m
Total Duration
2y 4m
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: 2026-03-15
Tanglewood Solar is a proposed 250.96 MW solar generation project located in Brazoria County, Texas. The project, developed by Brazoria Solar, LLC, is in the ERCOT interconnection queue as entry ERCOT-23INR0054, with a queue entry date of July 10, 2020. The proposed commercial operation date is March 15, 2026.
The project's interconnection agreement (IA) has been executed as of November 1, 2022. The point of interconnection (POI) is the 345kV Seabreeze Substation. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Brazoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Brazoria Solar, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
345kV Seabreeze Substation
Data Source
LBNL + Live
- 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.
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