— Project Summary

Queue ID
TEP-146
Capacity
175 MW
Technology
Battery
Status
active
Location
Pima, AZ
Region
West
Developer
IA Status

BetaActiveBatteryTEPLBNL

175 MW storage in Pima, AZ · In queue since December 2022 · Proposed COD December 2026

175 MW

Capacity

1

Components

Battery

3y 3m

In Queue

IA Status

COD target: 2026

Interconnection Timeline

Total Duration

4 years

Pre-Study0%
Queue EntryDec 19, 2022

Interconnection request submitted to ISO/RTO

Interconnection Study

Project undergoes interconnection studies to assess grid impact.

Typical: 18–36 months

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2026-12-01

Project Details

State

AZ

County

Pima

Region

West

Developer

Utility

Tucson Electric Power Company

Entity

TEP

Point of Interconnection

Spanish Trail 138kV Substation

Data Source

LBNL

No news available for this project.