Cumulus Grid BESS
210.74 MW storage in Ellis, TX · In queue since March 2022 · Proposed COD January 2028
210.74 MW
Capacity
1
Components
Battery
4y 2m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
5y 10m
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: 2028-01-01
The Cumulus Grid BESS project is a proposed 210.74 MW battery storage project located in Ellis County, Texas. Developed by Cumulus Grid, LLC, the project consists entirely of battery storage. It is currently active in the ERCOT interconnection queue as entry ERCOT-24INR0178, with a queue entry date of March 14, 2022.
The proposed commercial operation date for the Cumulus Grid BESS project is January 1, 2028. Its interconnection status is currently in the Facility Study phase, and the point of interconnection is the 1906 Venus Switch Substation 345kV. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Ellis
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Cumulus Grid, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
1906 Venus Switch Substation 345kV
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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