CHULA VISTA ENERGY CENTER 2 (CAISO-1045) — Project Summary

Queue ID
CAISO-1045
Capacity
50 MW
Technology
Battery
Status
active
Location
San Diego, CA
Region
CAISO
Developer
—
IA Status
IA Executed

CHULA VISTA ENERGY CENTER 2

CAISO-1045BetaActiveBatteryCAISOLBNL + Live

50 MW storage in San Diego, CA · In queue since April 2014 · Proposed COD April 2026

50 MW

Capacity

1

Components

Battery

12y 1m

In Queue

IA Executed

IA Status

Signed Mar 2021

Status
Latest milestoneCity Council approvalSan Diego Union-Tribune · 2025-10-08
Interconnection

Queue → IA

6y 11m

IA → COD

5y 1m

Total Duration

6y 11m

Schedule

0 months past proposed COD

Construction75%
Queue EntryApr 30, 2014

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 AgreementMar 2, 2021

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2026-04-28

About

The Chula Vista Energy Center 2 is a proposed 50 MW battery storage project located in San Diego County, California. The project is interconnected to the CAISO grid under queue ID CAISO-1045. Its queue entry date is April 30, 2014, and the proposed commercial operation date is April 28, 2026. The interconnection agreement (IA) for the project was executed on March 2, 2021. The point of interconnection (POI) is the Otay Substation at 69 kV, and the utility is SDGE.

This development project is linked to the existing Chula Vista Energy Center 2 operating plant (EIA plant ID 67878). Recent news coverage relating to the project includes 13 articles in the categories of regulatory, deals, grid, and industry.

Generated from interconnection queue and public data sources

CAISO QueueEIA Plant Profile
Project Details

State

CA

County

San Diego

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

—

Utility

SDGE

Entity

CAISO

Service Type

—

Point of Interconnection

Otay Substation 69 kV

Data Source

LBNL + Live

DeveloperWellhead Electric CompanySan Diego Union-Tribune · 2025-10-08
TransactionPPASan Diego Union-Tribune · 2024-01-26
OfftakerSan Diego Community PowerSan Diego Union-Tribune · 2024-01-26
PPA structurePhysicalSan Diego Union-Tribune · 2024-01-26
PPA term15 yearsSan Diego Union-Tribune · 2024-01-26
Linked EIA Plant

Chula Vista Energy Center 2EIA 67878

High match79% confidence
View Plant
Market Context
Approximate
ISO / RTO
CAISO
Trading Hub
TH_SP15_GEN-APND
Hub Confidence
HIGH
Nearest Node (Estimated)
OTAY_6_N014
POI Substation
Otay 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 (2)Beta

Last updated 2026-03-26

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