Otter BESS — Project Summary

Queue ID
ERCOT-27INR0180
Capacity
157.12 MW
Technology
Battery
Status
active
Location
Bexar, TX
Region
ERCOT
Developer
GRS BESS TEXAS TEN, LLC
IA Status
Facility Study

Otter BESS

BetaActiveBatteryERCOTLBNL + Live

157.12 MW storage in Bexar, TX · In queue since February 2024 · Proposed COD September 2029

157.12 MW

Capacity

1

Components

Battery

2y 1m

In Queue

Facility Study

IA Status

COD target: 2029

Interconnection Timeline

Total Duration

5y 7m

Facilities Study50%
Queue EntryFeb 27, 2024

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2029-09-15

Project Details

State

TX

County

Bexar

Region

ERCOT

Developer

GRS BESS TEXAS TEN, LLC

Utility

Entity

ERCOT

Point of Interconnection

5378 SHEPHERD RD 138kV

Data Source

LBNL + Live

No news available for this project.