Austin Bayou Storage III
150.68 MW storage in Brazoria, TX · In queue since March 2023 · Proposed COD June 2027
150.68 MW
Capacity
1
Components
Battery
3y 2m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
4y 3m
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: 2027-06-01
Austin Bayou Storage III is a proposed 150.68 MW battery storage project located in Brazoria County, Texas. The project, under development by Austin Bayou Solar, LLC, is interconnected within the ERCOT region and entered the interconnection queue as ERCOT-25INR0237 on March 8, 2023. The current interconnection status is listed as Facility Study, with a proposed commercial operation date of June 1, 2027.
The project consists entirely of battery storage, with a total capacity of 150.68 MW. The point of interconnection is Tap 345kV 43180 Savanna - 43020 Seabreeze Ckt 27 AND 43035 Oasis - 43060 Speedway Ckt 18. 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
Austin Bayou Solar, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345kV 43180 Savanna - 43020 Seabreeze Ckt 27 AND 43035 Oasis - 43060 Speedway Ckt 18
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.
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