Senator Aggreko Storage
153.1 MW storage in Maverick, TX · In queue since November 2023 · Proposed COD March 2029
153.1 MW
Capacity
1
Components
Battery
2y 6m
In Queue
Facility Study
IA Status
COD target: 2029
Total Duration
5y 4m
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: 2029-03-31
The Senator Aggreko Storage project is a proposed 153.1 MW battery storage project located in Maverick County, Texas. The project, developed by Senator Aggreko Storage LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-26INR0312, with a queue entry date of November 14, 2023. The proposed commercial operation date is March 31, 2029.
The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the 138 kV Rosita Creek Substation (#78015).
Generated from interconnection queue and public data sources
State
TX
County
Maverick
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Senator Aggreko Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
138 kV Rosita Creek Substation (#78015)
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- FTDUNCAN_RN
- POI Substation
- Rosita Creek 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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