High Chap Solar
152.25 MW generation in Brazoria, TX · In queue since July 2022 · Proposed COD August 2027
152.25 MW
Capacity
1
Components
Solar
3y 10m
In Queue
IA Executed
IA Status
Signed Nov 2023
Queue → IA
1y 4m
IA → COD
3y 9m
Total Duration
1y 4m
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: 2027-08-04
High Chap Solar is a proposed solar generation project located in Brazoria County, Texas, with a total capacity of 152.25 MW. The developer is HIGH CHAPARRAL SOLAR PROJECT LLC. The project is interconnected within the ERCOT region under queue ID ERCOT-25INR0068, having entered the queue on July 5, 2022. The proposed commercial operation date is August 4, 2027.
The project's interconnection agreement (IA) was executed on November 21, 2023. The point of interconnection (POI) is the 43035 Oasis 345kV - 42500 Dow Chemical 345 kV Ckt 18. The High Chap Solar project has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Brazoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
HIGH CHAPARRAL SOLAR PROJECT LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
43035 Oasis 345kV - 42500 Dow Chemical 345 kV Ckt 18
Data Source
LBNL
- 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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