Deer BESS
102.31 MW storage in Lamar, TX · In queue since September 2023 · Proposed COD October 2025
102.31 MW
Capacity
1
Components
Battery
2y 8m
In Queue
Facility Study
IA Status
COD target: 2025
Total Duration
2y 1m
Schedule
6 months past proposed COD
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: 2025-10-31
The Deer BESS project is a proposed 102.31 MW battery storage project located in Lamar County, Texas. The developer is GRS BESS Texas Two. It is currently active in the ERCOT interconnection queue as entry ERCOT-25INR0510, with a queue entry date of September 8, 2023, and a proposed commercial operation date of October 31, 2025. The project's interconnection status is currently in the Facility Study phase.
The Deer BESS project has been the subject of recent news coverage, with two articles categorized as regulatory and industry news.
Generated from interconnection queue and public data sources
State
TX
County
Lamar
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
GRS BESS Texas Two
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
1687 BLOOSOM_T8 138kV
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.
Last updated 2026-03-26
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