NORTH ROSAMOND SOLAR

CAISO-643RBetaActiveSolarBatteryCAISOLBNL + Live

253 MW hybrid in Kern, CA · In queue since July 2010 · Proposed COD June 2026

253 MW

Capacity

Components

Solar + Battery

15y 10m

In Queue

IA Executed

IA Status

Signed Dec 2014

Status

as of 6y 11m ago

Latest milestonecommercial operationDuke Energy | News Center · 2019-06-19

Interconnection

Queue → IA

4y 5m

IA → COD

11y 6m

Total Duration

4y 5m

Construction75%

Queue EntryJul 31, 2010

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 11, 2014

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

Solar153 MW · 60%

Battery100 MW · 40%

About

The North Rosamond Solar project is a proposed 253 MW hybrid solar and battery energy storage project in Kern County, California. The development project consists of a 153 MW solar component and a 100 MW battery energy storage system. It is located within the CAISO region and interconnects with Southern California Edison (SCE) at the Whirlwind Sub 230 kV Bus.

The project, listed in the CAISO interconnection queue as CAISO-643R, entered the queue on July 31, 2010, and has a proposed commercial operation date of June 1, 2026. The Interconnection Agreement (IA) was executed on December 11, 2014. The North Rosamond Solar project has been the subject of recent news coverage.

Generated from interconnection queue and public data sources

CAISO Queue

Project Details

State

County

Kern

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

—

Utility

SCE

Entity

CAISO

Service Type

—

Point of Interconnection

Whirlwind Sub 230 kV Bus

Data Source

LBNL + Live

DeveloperDuke Energy RenewablesDuke Energy | News Center · 2019-06-19

EPC contractorFirst Solar Electric CaliforniaDuke Energy | News Center · 2019-06-19

TransactionAcquisitionDuke Energy | News Center · 2019-04-22

OfftakerDuke Energy RenewablesDuke Energy | News Center · 2019-04-22

PPA structurePhysicalDuke Energy | News Center · 2019-04-22

PPA term15 yearsDuke Energy | News Center · 2019-04-22

Market Context

Approximate

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.

News & Articles (2)Beta

Last updated 2026-03-26

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NORTH ROSAMOND SOLAR (CAISO-643R) — Project Summary

NORTH ROSAMOND SOLAR