Tumbleweed Storage
BetaActiveBatteryERCOTLBNL + Live
507.2 MW storage in Borden, TX · In queue since October 2023 · Proposed COD December 2027
507.2 MW
Capacity
1
Components
Battery
2y 5m
In Queue
Facility Study
IA Status
COD target: 2027
Interconnection Timeline
Total Duration
4y 2m
Facilities Study50%
Queue EntryOct 4, 2023
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: 2027-12-01
Project Details
State
TX
County
Borden
Region
ERCOT
Developer
Hecate Energy Tumbleweed Storage LLC
Utility
—
Entity
ERCOT
Point of Interconnection
59905 Faraday 345 kV
Data Source
LBNL + Live
No news available for this project.