LOS ESTEROS CRITICAL ENERGY FACILITY EXPANSION (CAISO-378) — Project Summary

Queue ID
CAISO-378
Capacity
123 MW
Technology
Battery
Status
active
Location
Santa Clara, CA
Region
CAISO
Developer
IA Status
IA Executed

LOS ESTEROS CRITICAL ENERGY FACILITY EXPANSION

CAISO-378BetaActiveGasBatteryCAISOLBNL + Live

123 MW hybrid in Santa Clara, CA · In queue since May 2008 · Proposed COD September 2023

123 MW

Capacity

2

Components

Gas + Battery

18 years

In Queue

IA Executed

IA Status

Signed Apr 2011

Interconnection

Queue → IA

2y 11m

IA → COD

12y 5m

Total Duration

2y 11m

Schedule

33 months past proposed COD

Construction75%
Queue EntryMay 28, 2008

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 AgreementApr 4, 2011

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2023-09-01

Technology
Gas120 MW · 98%
Battery3 MW · 2%
About

The Los Esteros Critical Energy Facility Expansion is a proposed hybrid project located in Santa Clara County, California, with a total capacity of 123 MW. The project, which has appeared in recent news, consists of a 120 MW gas component and a 3 MW battery component. It is interconnected to the CAISO grid under queue ID CAISO-378 and is linked to an existing operating plant.

The project entered the CAISO interconnection queue on May 28, 2008, with a proposed commercial operation date of September 1, 2023. An Interconnection Agreement (IA) was executed on April 4, 2011. The project's point of interconnection (POI) is the Los Esteros 115 kV substation, and the interconnecting utility is PG&E.

Generated from interconnection queue and public data sources

Project Details

State

CA

County

Santa Clara

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

PGAE

Entity

CAISO

Service Type

Point of Interconnection

Los Esteros 115 kV

Data Source

LBNL + Live

Market Context
Approximate
ISO / RTO
CAISO
Trading Hub
TH_ZP26_GEN-APND
Hub Confidence
MEDIUM
Nearest Node (Estimated)
LECEFGT2_7_B1
POI Substation
Los Esteros 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.

No news available for this project.