Marcus Energy Storage
201.04 MW storage in Brazoria, TX · In queue since June 2023 · Proposed COD September 2027
201.04 MW
Capacity
1
Components
Battery
2y 11m
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: 2027-09-01
The Marcus Energy Storage project is a proposed 201.04 MW battery storage project located in Brazoria County, Texas. Developed by Marcus Energy Storage, LLC, the project consists of 201.04 MW of battery capacity. It is currently in the ERCOT interconnection queue as entry ERCOT-24INR0570, with a queue entry date of June 7, 2023, and a proposed commercial operation date of September 1, 2027. The project's interconnection agreement status is currently in the Facility Study phase.
The proposed project's point of interconnection is Tap 138kV 39500 West Columbia Main - 110505 Sweeny Co-Gen LP Ckt 1. The Marcus Energy Storage project has been mentioned 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
Marcus Energy Storage, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kV 39500 West Columbia Main - 110505 Sweeny Co-Gen LP Ckt 1
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_HOUSTON
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- NCO_RN
- POI Substation
- West Columbia Main 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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