Otter BESS
157.12 MW storage in Bexar, TX · In queue since February 2024 · Proposed COD September 2029
157.12 MW
Capacity
1
Components
Battery
2y 3m
In Queue
Facility Study
IA Status
COD target: 2029
Total Duration
5y 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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2029-09-15
The Otter BESS project is a proposed 157.12 MW battery storage project located in Bexar County, Texas. The project is being developed by GRS BESS TEXAS TEN, LLC. It is currently in the ERCOT interconnection queue as entry ERCOT-27INR0180, with a queue entry date of February 27, 2024.
The proposed commercial operation date for the Otter BESS project is September 15, 2029. Its interconnection status is currently in the Facility Study phase. Recent news coverage has discussed the development of this project.
Generated from interconnection queue and public data sources
State
TX
County
Bexar
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
GRS BESS TEXAS TEN, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
5378 SHEPHERD RD 138kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- POI Substation
- Shepherd 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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