BUTTONBUSH SOLAR HYBRID ENERGY CENTER
BetaActiveSolarBatteryCAISOLBNL + Live
1,636 MW hybrid in Kern, CA · In queue since April 2019 · Proposed COD December 2026
1,636 MW
Capacity
2
Components
Solar + Battery
6y 11m
In Queue
IA Executed
IA Status
Signed Nov 2021
Interconnection Timeline
Queue → IA
2y 7m
IA → COD
5y 1m
Total Duration
2y 7m
Construction75%
Queue EntryApr 15, 2019
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 AgreementNov 15, 2021
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
ConstructionCurrent
Project under construction
Typical: 18–30 months
Commercial Operation
Proposed COD: 2026-12-01
Technology
Solar818 MW · 50%
Battery818 MW · 50%
Project Details
State
CA
County
Kern
Region
CAISO
Developer
—
Utility
PGAE
Entity
CAISO
Point of Interconnection
Midway 500 kV
Data Source
LBNL + Live
No news available for this project.