Box (CAISO-54850) — Project Summary

Queue ID
CAISO-54850
Capacity
63.43 MW
Technology
Solar
Status
active
Location
Riverside, CA
Region
CAISO
Developer
IA Status
Not Started

Box

CAISO-54850BetaActiveSolarCAISOLBNL

63.43 MW generation in Riverside, CA · In queue since April 2023 · Proposed COD January 2029

63.43 MW

Capacity

1

Components

Solar

3y 1m

In Queue

Not Started

IA Status

COD target: 2029

Status
Project statusOperationalPR Newswire · 2025-06-24
Latest milestoneCOD achieved · 2025-07-07The Business Journals · 2025-07-07
Interconnection

Total Duration

5y 9m

In Study38%
Queue EntryApr 17, 2023

Interconnection request submitted to ISO/RTO

Cluster Study (Phase I/II)Current

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

Typical: 36–48 months (IR to IA)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2029-01-01

About

The Box project is a proposed solar generation project located in Riverside County, California, with a total capacity of 63.43 MW. The project is in the CAISO interconnection queue as entry CAISO-54850, with a queue entry date of April 17, 2023, and a proposed commercial operation date of January 1, 2029. The project's interconnection agreement status is "Not Started."

The proposed project is interconnected with Southern California Edison (SCE) at the RED BLUFF 230 kV point of interconnection. The Box project has been mentioned in recent news coverage.

Generated from interconnection queue and public data sources

Project Details

State

CA

County

Riverside

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

SCE

Entity

CAISO

Service Type

Point of Interconnection

RED BLUFF 230 kV

Data Source

LBNL

DeveloperBrightNightThe Business Journals · 2025-07-07
AgencyCharlotte CountyThe New York Times · 2022-09-21
RulingApprovalThe New York Times · 2022-09-21
TransactionPPAEnergy-Storage.News · 2022-07-20
OfftakerSouthwest Public Power AgencyEnergy-Storage.News · 2022-07-20
PPA structurePhysicalEnergy-Storage.News · 2022-07-20
Market Context
Approximate
ISO / RTO
CAISO
Trading Hub
TH_SP15_GEN-APND
Hub Confidence
MEDIUM
Nearest Node (Estimated)
OBERON_7_N122
POI Substation
Red Bluff 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.

News & Articles (5)Beta

Last updated 2026-03-26

View all 5 articles

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