Sowers Storage
203.9 MW storage in Kaufman, TX · In queue since August 2021 · Proposed COD July 2027
203.9 MW
Capacity
1
Components
Battery
4y 9m
In Queue
IA Executed
IA Status
Signed Apr 2022
Queue → IA
8 months
IA → COD
5y 3m
Total Duration
8 months
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2027-07-01
The Sowers Storage project is a proposed 203.9 MW battery energy storage system in Kaufman County, Texas. The project, developed by Sowers Energy Storage LLC, is interconnected within the ERCOT region under queue ID ERCOT-22INR0552. It entered the interconnection queue on August 18, 2021, and has a proposed commercial operation date of July 1, 2027.
The project's Interconnection Agreement (IA) has been executed as of April 22, 2022. The point of interconnection (POI) is the 6894 Rose Hill_RC Sub 138 kV substation. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Kaufman
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Sowers Energy Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
6894 Rose Hill_RC Sub 138 kV
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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