WILLOW ROCK ENERGY STORAGE
BetaActiveOtherBatteryCAISOLBNL + Live
620 MW hybrid in Kern, CA · In queue since April 2020 · Proposed COD July 2030
620 MW
Capacity
2
Components
Other + Battery
5y 11m
In Queue
IA Executed
IA Status
Signed Dec 2023
Interconnection Timeline
Queue → IA
3y 8m
IA → COD
6y 7m
Total Duration
3y 8m
Construction75%
Queue EntryApr 15, 2020
Interconnection request submitted to ISO/RTO
Cluster Study (Phase I/II)
CAISO uses cluster studies where projects are batched annually and studied together.
Typical: 36–48 months (IR to IA)
Interconnection AgreementDec 29, 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: 2030-07-01
Technology
Other512 MW · 83%
Battery108 MW · 17%
Project Details
State
CA
County
Kern
Region
CAISO
Developer
—
Utility
SCE
Entity
CAISO
Point of Interconnection
Whirlwind Substation 230kV
Data Source
LBNL + Live
No news available for this project.