GNARLY OSAGE
304.4 MW storage in San Diego, CA · In queue since April 2021 · Proposed COD August 2027
304.4 MW
Capacity
1
Components
Battery
5y 1m
In Queue
System Impact Study
IA Status
COD target: 2027
Total Duration
6y 4m
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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2027-08-07
The Gnarly Osage project is a proposed 304.4 MW battery storage project located in San Diego County, California. Interconnecting to the CAISO grid at the Encina Substation 138 kV, the project entered the CAISO queue as queue ID CAISO-2157 on April 15, 2021. The proposed commercial operation date is August 7, 2027. The project's interconnection status is currently in the System Impact Study phase.
The development project is sponsored by SDGE. Recent news coverage has discussed the project's progress in the interconnection queue.
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
Encina Substation 138 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_ZP26_GEN-APND
- Hub Confidence
- LOW
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.
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