TANAGER STORAGE (CAISO-1550) — Project Summary

Queue ID
CAISO-1550
Capacity
200 MW
Technology
Battery
Status
active
Location
Santa Clara, CA
Region
CAISO
Developer
IA Status
IA Executed

TANAGER STORAGE

CAISO-1550BetaActiveBatteryCAISOLBNL + Live

200 MW storage in Santa Clara, CA · In queue since April 2019 · Proposed COD December 2027

200 MW

Capacity

1

Components

Battery

7y 1m

In Queue

IA Executed

IA Status

Signed Dec 2021

Interconnection

Queue → IA

2y 8m

IA → COD

6 years

Total Duration

2y 8m

Construction75%
Queue EntryApr 15, 2019

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 22, 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: 2027-12-15

About

The Tanager Storage project is a proposed 200 MW battery energy storage system located in Santa Clara County, California. The project is in the California Independent System Operator (CAISO) interconnection queue as queue ID CAISO-1550. Its queue entry date was April 15, 2019, and the proposed commercial operation date is December 15, 2027.

The project's Interconnection Agreement (IA) was executed on December 22, 2021. The designated utility is Pacific Gas and Electric (PGAE), and the point of interconnection (POI) is the Los Esteros 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

Santa Clara

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

PGAE

Entity

CAISO

Service Type

Point of Interconnection

Los Esteros 230 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.

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