City Breeze BESS
140.6 MW storage in Matagorda, TX · In queue since December 2022 · Proposed COD March 2027
140.6 MW
Capacity
1
Components
Battery
3y 5m
In Queue
IA Executed
IA Status
Signed May 2024
Queue → IA
1y 5m
IA → COD
2y 10m
Total Duration
1y 5m
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: 2027-03-18
The City Breeze BESS project is a proposed 140.6 MW battery storage project located in Matagorda County, Texas. The project, developed by City Breeze BESS LLC, interconnected to the ERCOT grid at the 8111 MAGILL4A 138KV point of interconnection. It entered the ERCOT interconnection queue as queue ID ERCOT-25INR0271 on December 15, 2022, and has a proposed commercial operation date of March 18, 2027.
The project's Interconnection Agreement (IA) was executed on May 15, 2024. The project has appeared in recent news coverage regarding energy storage development in Texas.
Generated from interconnection queue and public data sources
State
TX
County
Matagorda
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
City Breeze BESS LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
8111 MAGILL4A 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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