Cummins BESS
200.89 MW storage in Glasscock, TX · In queue since October 2024 · Proposed COD June 2028
200.89 MW
Capacity
1
Components
Battery
1y 7m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
3y 8m
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: 2028-06-30
The Cummins BESS project is a proposed 200.89 MW battery energy storage system in Glasscock County, Texas. It is being developed by RWE Solar Development, LLC and has appeared in recent news coverage. The project is currently active in the ERCOT interconnection queue as entry ERCOT-26INR0573, with a queue entry date of October 1, 2024.
The proposed commercial operation date for the Cummins BESS project is June 30, 2028. Its interconnection status is currently in the Facility Study phase, and the point of interconnection is the 1333 MCDONALD 138kV substation.
Generated from interconnection queue and public data sources
State
TX
County
Glasscock
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
RWE Solar Development, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
1333 MCDONALD 138kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
- POI Substation
- McDonald 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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