Alamo City BESS
128.12 MW storage in Bexar, TX · In queue since February 2024 · Proposed COD September 2027
128.12 MW
Capacity
1
Components
Battery
2y 3m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
3y 7m
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: 2027-09-21
The Alamo City BESS project is a proposed 128.12 MW battery storage project located in Bexar County, Texas. Developed by ALAMO CITY ESS LLC, the project is currently active in the ERCOT interconnection queue as entry ERCOT-26INR0330, with a queue entry date of February 27, 2024. The proposed commercial operation date is September 21, 2027, and the project's interconnection agreement status is currently in the Facility Study phase.
The proposed project consists of 128.12 MW of battery storage capacity. The point of interconnection is Tap 138kV 5294 Martinez - 5110 JT Deely. The Alamo City BESS project has been mentioned in recent news coverage related to the energy industry.
Generated from interconnection queue and public data sources
State
TX
County
Bexar
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
ALAMO CITY ESS LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kV 5294 Martinez - 5110 JT Deely
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- POI Substation
- Martinez 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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