Cumulus Grid BESS — Project Summary

Queue ID
ERCOT-24INR0178
Capacity
210.74 MW
Technology
Battery
Status
active
Location
Ellis, TX
Region
ERCOT
Developer
Cumulus Grid, LLC
IA Status
Facility Study

Cumulus Grid BESS

ERCOT-24INR0178BetaActiveBatteryERCOTLBNL + Live

210.74 MW storage in Ellis, TX · In queue since March 2022 · Proposed COD January 2028

210.74 MW

Capacity

1

Components

Battery

4y 1m

In Queue

Facility Study

IA Status

COD target: 2028

Interconnection Timeline

Total Duration

5y 10m

Facilities Study50%
Queue EntryMar 14, 2022

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2028-01-01

Project Details

State

TX

County

Ellis

Region

ERCOT

Developer

Cumulus Grid, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

1906 Venus Switch Substation 345kV

Data Source

LBNL + Live

No news available for this project.