Yuma County, AZ interconnection queue
23 interconnection applications are pending in Yuma County, AZ, requesting 7.3 GW of new generating capacity, as of 15 August 2026. 11 projects have been built here and 69 have been withdrawn since 2005.
Source: interconnection queues published by APS, CAISO. Parsed and normalised by Watt Street. Data as of 15 August 2026. A queued project is a request, not a commitment.
What is waiting in Yuma County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 9 | 3.2 GW |
| Other | 6 | 2.1 GW |
| Hybrid | 6 | 1.8 GW |
| Battery | 2 | 160 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 11 | 1.9 GW | 10.7% |
| Still pending | 23 | 7.3 GW | 22.3% |
| Withdrawn | 69 | 14.7 GW | 67.0% |
| Suspended | 0 | — | 0.0% |
Withdrawal is the ordinary outcome of an interconnection application nationally, not a sign of a problem in this county. Most withdrawals are a developer testing a site and moving on.
The largest projects on file
| Project | Fuel | Capacity | Status | Filed | Queue |
|---|---|---|---|---|---|
| Withdrawn project | Solar | 1.0 GW | withdrawn | 2010-07 | CAISO |
| Q466 | Solar | 1.0 GW | active | 2022-03 | APS |
| Withdrawn project | Solar | 960 MW | withdrawn | 2009-07 | CAISO |
| Q044a. | Solar | 900 MW | withdrawn | 2008-05 | APS |
| Q414 | Solar | 800 MW | withdrawn | 2021-09 | APS |
| Withdrawn project | Solar | 750 MW | withdrawn | 2009-07 | CAISO |
| MCFARLAND SOLAR | Hybrid | 500 MW | completed | 2015-04 | CAISO |
| Q227 | Solar | 500 MW | completed | 2015-08 | APS |
| Q368 | Solar | 500 MW | active | 2021-03 | APS |
| Q491 | Solar | 500 MW | withdrawn | 2022-09 | APS |
| Q495 | Solar | 500 MW | withdrawn | 2023-03 | APS |
| Q510 | Battery | 500 MW | withdrawn | 2023-03 | APS |
| Q599 | Other | 500 MW | active | 2025-05 | APS |
| Q603 | Other | 500 MW | active | 2025-05 | APS |
| Q65 | Solar | 480 MW | withdrawn | 2009-04 | APS |
How this county ranks
Yuma County ranks #22 of 1,607 US counties by capacity currently queued, and #5 of 10 in Arizona.
Other Arizona counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Maricopa County | 91 | 25.2 GW |
| Navajo County | 25 | 9.4 GW |
| Mohave County | 22 | 7.8 GW |
| Coconino County | 13 | 7.8 GW |
| La Paz County | 7 | 5.8 GW |
| Pima County | 19 | 4.9 GW |
| Apache County | 10 | 3.9 GW |
| Yavapai County | 5 | 1.5 GW |
Go deeper on Yuma County
The interactive map plots every one of these applications, and a generated county report puts them in a sourced PDF with the date each figure was true on every page.