Serrano Storage
BetaActiveBatteryERCOTLBNL + Live
185.59 MW storage in Maverick, TX · In queue since September 2023 · Proposed COD December 2026
185.59 MW
Capacity
1
Components
Battery
2y 6m
In Queue
Facility Study
IA Status
COD target: 2026
Interconnection Timeline
Total Duration
3y 3m
Facilities Study50%
Queue EntrySep 23, 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: 2026-12-01
Project Details
State
TX
County
Maverick
Region
ERCOT
Developer
Maverick ESS, LLC
Utility
—
Entity
ERCOT
Point of Interconnection
8267 GANSO Substation 138kV
Data Source
LBNL + Live
No news available for this project.