TEP-147
150 MW storage in Pima, AZ · In queue since December 2022 · Proposed COD December 2026
150 MW
Capacity
1
Components
Battery
3y 5m
In Queue
—
IA Status
COD target: 2026
Total Duration
4 years
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2026-12-01
TEP-147 is a proposed 150 MW battery storage project located in Pima County, Arizona. The project, under development by Tucson Electric Power Company (TEP), consists entirely of battery storage. It is interconnected to the Kino 138kV Substation.
The project is currently active in the California Independent System Operator (CAISO) interconnection queue, with an entry date of December 19, 2022. The proposed commercial operation date is December 1, 2026.
Generated from interconnection queue and public data sources
State
AZ
County
Pima
Grid Region
Mountain West
Market
—
Developer
—
Utility
Tucson Electric Power Company
Entity
TEP
Service Type
—
Point of Interconnection
Kino 138kV Substation
Data Source
LBNL
- 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.
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