Evelyn Battery Energy Storage System
BetaActiveBatteryERCOTLBNL
221.3 MW storage in Galveston, TX · In queue since January 2023 · Proposed COD June 2025
221.3 MW
Capacity
1
Components
Battery
3y 2m
In Queue
IA Executed
IA Status
Signed Sep 2023
Interconnection Timeline
Queue → IA
8 months
IA → COD
1y 9m
Total Duration
8 months
Schedule
9 months past proposed COD
Construction75%
Queue EntryJan 3, 2023
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 AgreementSep 14, 2023
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
ConstructionCurrent
Project under construction
Typical: 6–18 months
Commercial Operation
Proposed COD: 2025-06-30
Project Details
State
TX
County
Galveston
Region
ERCOT
Developer
Evelyn Energy Storage LLC
Utility
—
Entity
ERCOT
Point of Interconnection
Hidden Lakes 138kV (38900)
Data Source
LBNL
No news available for this project.