MENIFEE POWER BANK
680 MW storage in Riverside, CA · In queue since April 2019 · Proposed COD October 2025
680 MW
Capacity
1
Components
Battery
7y 1m
In Queue
IA Executed
IA Status
Signed Dec 2021
Queue → IA
2y 8m
IA → COD
3y 10m
Total Duration
2y 8m
Schedule
7 months past proposed COD
Interconnection request submitted to ISO/RTO
CAISO uses cluster studies where projects are batched annually and studied together.
Typical: 36–48 months (IR to IA)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2025-10-01
The Menifee Power Bank is a proposed 680 MW battery storage project located in Riverside County, California. The project is interconnected to the CAISO grid under queue ID CAISO-1645. Its queue entry date was April 15, 2019, and the proposed commercial operation date is October 1, 2025. The interconnection agreement for the project was executed on December 14, 2021.
The development project is linked to the existing Menifee Power Bank operating plant (EIA plant ID 66494). The point of interconnection is the Valley Substation 500kV. The project has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
CA
County
Riverside
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SCE
Entity
CAISO
Service Type
—
Point of Interconnection
Valley Substation 500kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- ROMOLA_7_004
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
Last updated 2026-03-26
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