Third Coast BESS
102.82 MW storage in Jackson, TX · In queue since August 2021 · Proposed COD June 2027
102.82 MW
Capacity
1
Components
Battery
4y 9m
In Queue
IA Executed
IA Status
Signed May 2023
Queue → IA
1y 9m
IA → COD
4y 1m
Total Duration
1y 9m
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: 2027-06-15
Third Coast BESS is a proposed 102.82 MW battery storage project located in Jackson County, Texas. The project, developed by Third Coast BESS LLC, is interconnected within the ERCOT region under queue ID ERCOT-23INR0361. It entered the queue on August 24, 2021, with a proposed commercial operation date of June 15, 2027. The project's interconnection agreement was executed on May 17, 2023.
The proposed project is linked to the existing Third Coast BESS, LLC operating plant (EIA ID 67667). Recent news coverage has discussed the development.
Generated from interconnection queue and public data sources
State
TX
County
Jackson
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Third Coast BESS LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
8125 Lolita substation 138kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- HIGH
- POI Substation
- Lolita 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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