North Loop — Pima, AZ — Operational Power Plant
Total Capacity
107.8 MW
Summer: 95 MW | Winter: 101.8 MW
Technology
Gas
4 generators
First Unit Online
December 1, 1972
North Loop is a gas power plant in Pima County, AZ with 4 generating units totaling 107.8 MW of nameplate capacity. It is operated by Tucson Electric Power Co. Its first unit came online in 1972.
Capacity rank
- #923 in the U.S. by capacity
- #27 in AZ by capacity
Learn more
Looking for gas projects still in development?
EIA 860M shows operational plants and those starting operation within one year. Our Interconnection Queue dataset tracks 30,000+ projects from application through commercial operation.
Monthly generation history
Source: EIA Form 923
Generators (4)
4 generators
4 operational generators totaling 107.8 MW · online 1972–2001
Plant Information
| Plant ID | 6088 |
| Plant Name | North Loop |
| Operator | Tucson Electric Power Co |
| Sector | Electric Utility |
| Balancing Authority | TEPC |
| Power Market | |
| County | Pima |
| State | Arizona (all interconnection requests in Arizona) |
| Status | Operational |
| Generation Type(s) | Gas |
| Total Nameplate Capacity (MW) | 107.8 |
| Total Summer Capacity (MW) | 95 |
| Total Winter Capacity (MW) | 101.8 |
| Generating Units | 4 |
| Operational Units | 4 |
| Planned Units | 0 |
U.S. county map showing Pima, AZ
Stay up to date via our email newsletter:
Interconnection queue requests/projects in list format
All transmission grid interconnection queue requests/projects All distribution grid (DG) interconnection queue requests/projects Data center projects by state EIA860 planned and operational power plant projectsInsights
Charts State of interconnection queues — January 2024In 2024, interconnection queues shrank for the first time in yearsAll insightsGridTracker
GridTracker — the full interconnection data platformAbout GridTrackerQueue requests/projects by country
Queue requests/projects by power market
Queue requests/projects by status
Queue requests/projects by cluster
Queue requests/projects by U.S. state
Queue requests/projects by Canadian province
Data Centers
All data center projectsBy U.S. State
Interconnection queue requests/projects by transmission owner
Interconnection queue requests/projects by year
Queue requests/projects in 2026Queue requests/projects in 2025Queue requests/projects in 2024Queue requests/projects in 2023Queue requests/projects in 2022Queue requests/projects in 2021Queue requests/projects in 2020Queue requests/projects in 2019Queue requests/projects in 2018Queue requests/projects in 2017Queue requests/projects in 2016Queue requests/projects in 2015Queue requests/projects in 2014Queue requests/projects in 2013Queue requests/projects in 2012Queue requests/projects in 2011Queue requests/projects in 2010Queue requests/projects in 2009Queue requests/projects in 2008Queue requests/projects in 2007Queue requests/projects in 2006Queue requests/projects in 2005Queue requests/projects in 2004Queue requests/projects in 2003Queue requests/projects in 2002Queue requests/projects in 2001Queue requests/projects in 2000Queue requests/projects in 1999Queue requests/projects in 1998Queue requests/projects in 1997Queue requests/projects in 1996Queue requests/projects in 1995Interconnection.fyi is a free public resource by GridTracker, the research firm behind the interconnection data in LBNL's Queued Up.
© 2026 Interconnection.fyi. All rights reserved.