FALLBROOK ENERGY STORAGE
69.6 MW storage in San Diego, CA · In queue since April 2015 · Proposed COD March 2026
69.6 MW
Capacity
1
Components
Battery
11y 1m
In Queue
IA Executed
IA Status
COD target: 2026
Total Duration
10y 11m
Schedule
2 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: 2026-03-06
The Fallbrook Energy Storage project is a proposed 69.6 MW battery storage project located in San Diego County, California. Interconnecting to the CAISO grid via the Avocado Substation 69 kV point of interconnection, the project entered the CAISO queue as queue ID CAISO-1169 on April 30, 2015. The proposed commercial operation date is March 6, 2026, and the interconnection agreement has been executed.
The development project is linked to the existing Fallbrook Energy Storage operating plant (EIA ID 61365). Recent news coverage indicates interest in the project, with articles focusing on grid applications and industry developments.
Generated from interconnection queue and public data sources
State
CA
County
San Diego
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SDGE
Entity
CAISO
Service Type
—
Point of Interconnection
Avocado Substation 69 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- AVOCADO_6_N001
- POI Substation
- Avocado
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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