Pion
1,150 MW storage in Fresno, CA · In queue since April 2023 · Proposed COD September 2028
1,150 MW
Capacity
1
Components
Battery
3y 1m
In Queue
Not Started
IA Status
COD target: 2028
Total Duration
5y 5m
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: 2028-09-30
The Pion project is a proposed 1150 MW battery storage development in Fresno County, California. The project is located within the CAISO region and is being managed by utility LSPC. It entered the CAISO interconnection queue as queue ID CAISO-54635 on April 17, 2023, with a proposed commercial operation date of September 30, 2028. As of the latest data, the interconnection agreement (IA) status is "Not Started".
The Pion project consists entirely of battery storage, with a total capacity of 1150 MW. The point of interconnection (POI) for the project is the MANNING 500 kV substation. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
CA
County
Fresno
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
LSPC
Entity
CAISO
Service Type
—
Point of Interconnection
MANNING 500 kV
Data Source
LBNL
- 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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