Aldrin 138 BESS
207 MW storage in Brazoria, TX · In queue since May 2023 · Proposed COD July 2027
207 MW
Capacity
1
Components
Battery
3 years
In Queue
IA Executed
IA Status
Signed Apr 2024
Queue → IA
11 months
IA → COD
3y 3m
Total Duration
11 months
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: 2027-07-01
The Aldrin 138 BESS project is a proposed 207 MW battery storage project located in Brazoria County, Texas. Developed by Aldrin Energy Storage LLC, the project is interconnected within the ERCOT region under queue ID ERCOT-25INR0421. The project entered the interconnection queue on May 15, 2023, with a proposed commercial operation date of July 1, 2027.
The project's Interconnection Agreement (IA) has been executed as of April 18, 2024. The Point of Interconnection (POI) is at the North Alvin TNMP 138kV bus (Bus: 39015). The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Brazoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Aldrin Energy Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
(Bus: 39015) North Alvin TNMP 138kV
Data Source
LBNL + Live
- 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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