TEP-108
200 MW generation in Pima, AZ · In queue since December 2021 · Proposed COD May 2024
200 MW
Capacity
1
Components
Other
4y 7m
In Queue
—
IA Status
COD target: 2024
Total Duration
2y 5m
Schedule
26 months past proposed COD
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: 2024-05-31
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
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
AZ
County
Pima
Grid Region
Mountain West
Market
—
Developer
TEP
Utility
Tucson Electric Power Company
Entity
TEP
Service Type
NRIS
Point of Interconnection
North Loop 138kV Substation
Data Source
LBNL
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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.
Last updated 2026-03-14
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