OCI Cobb Creek ESS
201.6 MW storage in Hill, TX · In queue since December 2022 · Proposed COD December 2027
201.6 MW
Capacity
1
Components
Battery
3y 5m
In Queue
IA Executed
IA Status
Signed Jul 2024
Queue → IA
1y 7m
IA → COD
3y 5m
Total Duration
1y 7m
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: 6–18 months
Proposed COD: 2027-12-31
The OCI Cobb Creek ESS project is a proposed 201.6 MW battery storage project located in Hill County, Texas. The developer is Hillsboro Solar Energy Holdings LLC. It is interconnected within the ERCOT region under queue ID ERCOT-25INR0233, with a queue entry date of December 7, 2022, and a proposed commercial operation date of December 31, 2027.
The project's interconnection agreement (IA) has been executed as of July 24, 2024. The point of interconnection (POI) is at tap 345kV 1907 Venus - 68090 Sam Sw. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Hill
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Hillsboro Solar Energy Holdings LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
tap 345kV 1907 Venus - 68090 Sam Sw
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- DSWL_BES1
- POI Substation
- Venus Substation
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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