Larkspur Energy Storage
ERCOT-23INR0340BetaActiveBatteryERCOTLBNL + Live
307.46 MW storage in Upton, TX · In queue since August 2021 · Proposed COD May 2027
307.46 MW
Capacity
1
Components
Battery
4y 8m
In Queue
IA Executed
IA Status
Signed Feb 2022
Interconnection Timeline
Queue → IA
6 months
IA → COD
5y 3m
Total Duration
6 months
Construction75%
Queue EntryAug 2, 2021
Interconnection request submitted to ISO/RTO
Interconnection Study
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection AgreementFeb 28, 2022
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
ConstructionCurrent
Project under construction
Typical: 6–18 months
Commercial Operation
Proposed COD: 2027-05-05
Project Details
State
TX
County
Upton
Region
ERCOT
Developer
Larkspur Energy Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
71213 Benedum 138kV
Data Source
LBNL + Live
No news available for this project.