REDUX SOLAR (CAISO-1389) — Project Summary

Queue ID
CAISO-1389
Capacity
189.49 MW
Technology
Solar+Battery
Status
active
Location
Fresno, CA
Region
CAISO
Developer
IA Status
IA Executed

REDUX SOLAR

CAISO-1389BetaActiveSolarBatteryCAISOLBNL + Live

189.49 MW hybrid in Fresno, CA · In queue since May 2017 · Proposed COD June 2026

189.49 MW

Capacity

2

Components

Solar + Battery

9 years

In Queue

IA Executed

IA Status

Signed Dec 2021

Interconnection

Queue → IA

4y 7m

IA → COD

4y 6m

Total Duration

4y 7m

Construction75%
Queue EntryMay 1, 2017

Interconnection request submitted to ISO/RTO

Cluster Study (Phase I/II)

CAISO uses cluster studies where projects are batched annually and studied together.

Typical: 36–48 months (IR to IA)

Interconnection AgreementDec 28, 2021

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 18–30 months

Commercial Operation

Proposed COD: 2026-06-01

Technology
Solar128.24 MW · 68%
Battery61.25 MW · 32%
About

The REDUX SOLAR project is a proposed hybrid solar and battery energy storage project located in Fresno County, California. The development project, with a total capacity of 189.49 MW, consists of a 128.24 MW solar array coupled with a 61.25 MW battery energy storage system. The project is in the California Independent System Operator (CAISO) interconnection queue as entry CAISO-1389, with an interconnection queue date of May 1, 2017.

The proposed commercial operation date for REDUX SOLAR is June 1, 2026. The project has an executed Interconnection Agreement (IA), which was finalized on December 28, 2021. The point of interconnection (POI) for the project is the Gates 230 kV substation. The project is currently listed as active in the CAISO queue.

Generated from interconnection queue and public data sources

Project Details

State

CA

County

Fresno

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

PGAE

Entity

CAISO

Service Type

Point of Interconnection

Gates 230 kV

Data Source

LBNL + Live

Market Context
Approximate
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.

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