Project TEP-108 — Project Summary

Queue ID
TEP-108
Capacity
200 MW
Technology
Other
Status
active
Location
Pima, AZ
Region
West
Developer
TEP
IA Status

TEP-108

TEP-108BetaActiveOtherTEPLBNL

200 MW generation in Pima, AZ · In queue since December 2021 · Proposed COD May 2024

200 MW

Capacity

1

Components

Other

4y 5m

In Queue

IA Status

COD target: 2024

Interconnection

Total Duration

2y 5m

Schedule

23 months past proposed COD

Pre-Study0%
Queue EntryDec 21, 2021

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: 2024-05-31

About

TEP-108 is a proposed 200 MW generation project located in Pima County, Arizona. The project, developed by TEP (Tucson Electric Power Company), utilizes an unspecified "Other" technology. It is interconnected to the North Loop 138kV Substation.

The project is currently active in the West interconnection queue, with an entry date of December 21, 2021, and a proposed commercial operation date of May 31, 2024. The project has been mentioned in recent news coverage.

Generated from interconnection queue and public data sources

Project Details

State

AZ

County

Pima

Grid Region

Mountain West

Market

Developer

TEP

Utility

Tucson Electric Power Company

Entity

TEP

Service Type

Point of Interconnection

North Loop 138kV Substation

Data Source

LBNL

ApplicantTucson Electric Power Co.The Arizona Republic · 2025-12-04
AgencyArizona Corporation CommissionTucson Sentinel · 2026-01-06
RulingNotice±Tucson Sentinel · 2026-01-06
Market Context
Approximate
ISO / RTO
MOUNTAIN_WEST
Trading Hub
PALOVERDE
Hub Confidence
UNKNOWN

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 (3)Beta

Last updated 2026-03-26

View all articles

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