Blackcat Storage
200.59 MW storage in Matagorda, TX · In queue since January 2024 · Proposed COD December 2027
200.59 MW
Capacity
1
Components
Battery
2y 4m
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: 2027-12-31
The Blackcat Storage project is a proposed 200.59 MW battery energy storage system in Matagorda County, Texas. Developed by Matagorda ESS, LLC, the project is currently active in the ERCOT interconnection queue as entry ERCOT-26INR0376, with a queue entry date of January 11, 2024. The proposed commercial operation date is December 31, 2027.
The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the 138kV Blackcat Substation (#80124). 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
Matagorda ESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
138kV Blackcat Substation (#80124)
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
- POI Substation
- Substation 41
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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