KEY STORAGE 1
309.3 MW storage in Fresno, CA · In queue since April 2018 · Proposed COD October 2026
309.3 MW
Capacity
1
Components
Battery
8y 1m
In Queue
IA Executed
IA Status
COD target: 2026
Total Duration
8y 6m
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: 2026-10-01
KEY STORAGE 1 is a proposed 309.3 MW battery storage project located in Fresno County, California. The project is in the California Independent System Operator (CAISO) interconnection queue as entry CAISO-1479, with a queue entry date of April 16, 2018. The proposed commercial operation date is October 1, 2026. The project has an Interconnection Agreement (IA) listed as Executed.
The project is interconnected to the PG&E utility grid at the Gates 500 kV point of interconnection. Recent news coverage of the project includes 4 articles related to regulatory matters, 2 about deals, and 1 each about industry and grid topics.
Generated from interconnection queue and public data sources
State
CA
County
Fresno
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
PGAE
Entity
CAISO
Service Type
—
Point of Interconnection
Gates 500 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_ZP26_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- FIFTHS_7_N003
- POI Substation
- Gates Substation
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 2026-03-14
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