Ouroboros Grid BESS 3
200.72 MW hybrid in Cameron, TX · In queue since July 2025 · Proposed COD June 2028
200.72 MW
Capacity
0
Components
10 months
In Queue
—
IA Status
COD target: 2028
Total Duration
2y 11m
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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-06-01
Ouroboros Grid BESS 3 is a proposed 200.72 MW hybrid battery energy storage project located in Cameron County, Texas. The project, developed by Ouroboros Grid BESS Unit 3, entered the ERCOT interconnection queue as ERCOT-28INR0403 on July 29, 2025. The proposed commercial operation date is June 1, 2028.
The project is listed as active in the interconnection queue. It is a hybrid project that includes battery energy storage. The point of interconnection is the 88337 Chalybe 345 kV substation.
Generated from interconnection queue and public data sources
State
TX
County
Cameron
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Ouroboros Grid BESS Unit 3
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
88337 Chalybe 345 kV
Data Source
Live · ERCOT
- 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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