Macho Creek BESS
150.56 MW storage in Starr, TX · In queue since June 2023 · Proposed COD May 2027
150.56 MW
Capacity
1
Components
Battery
2y 11m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
3y 11m
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: 2027-05-31
The Macho Creek BESS project is a proposed 150.56 MW battery storage project located in Starr County, Texas. Developed by Macho Creek BESS, LLC, the project consists entirely of battery storage. It is currently active in the ERCOT interconnection queue as entry ERCOT-25INR0390, with a queue entry date of June 28, 2023.
The proposed commercial operation date for the Macho Creek BESS project is May 31, 2027. Its interconnection status is currently in the Facility Study phase. The point of interconnection is Tap 138kV 8793 RIO GRANDE CITY - 8806 LAS LOMAS.
Generated from interconnection queue and public data sources
State
TX
County
Starr
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Macho Creek BESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kV 8793 RIO GRANDE CITY - 8806 LAS LOMAS
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- LV4_UNIT_1
- POI Substation
- Rio Grande City 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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