Shoshana Storage
221 MW storage in Matagorda, TX · In queue since March 2022 · Proposed COD May 2028
221 MW
Capacity
1
Components
Battery
4y 2m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
6y 2m
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: 2028-05-30
The Shoshana Storage project is a proposed 221 MW battery energy storage system located in Matagorda County, Texas. The project, developed by Shoshana Storage Project LLC, is interconnected within the ERCOT region under queue ID ERCOT-23INR0466. It entered the interconnection queue on March 30, 2022, and has a proposed commercial operation date of May 30, 2028. The project's interconnection status is currently in the Facility Study phase.
The proposed project consists of 221 MW of battery storage capacity. It is planned to connect to the grid at the Tap STP _x0013_ Refuge ckt 27 point of interconnection. The Shoshana Storage project has been featured 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
Shoshana Storage Project LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap STP _x0013_ Refuge ckt 27
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
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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