Arizona interconnection queue
265 interconnection applications are pending in Arizona, requesting 85.1 GW of new generating capacity across 10 counties, as of 15 August 2026. That places Arizona #4 of 47 states by capacity queued.
Pending applications
265
of 1,042 ever filed
Capacity queued
85.1 GW
requested, not committed
Already built
14.2 GW
71 connected
Built vs decided
9.2%
698 withdrawn
Counties in the queue
10
with five or more filings
Large load requested
none recorded
0 requests
Source: the interconnection queues of every transmission provider operating in Arizona. Parsed and normalised by Watt Street. Data as of 15 August 2026.
Which queues serve Arizona
| Queue or utility | Applications | Capacity pending |
|---|---|---|
| APS | 601 | 46.5 GW |
| TEP | 120 | 10.4 GW |
| WAPA-DSW | 32 | 8.1 GW |
| CAISO | 72 | 7.4 GW |
| SRP | 140 | 7.2 GW |
| WAPA-MPP | 4 | 2.1 GW |
| SRP_ANPP | 34 | 1.3 GW |
| N-C | 2 | 800 MW |
| SRP_PV-PC | 27 | 688 MW |
| NVE | 1 | 500 MW |
| SRP_SWV | 4 | 0 MW |
| SRP_Gila | 3 | 0 MW |
| PacifiCorp | 1 | 0 MW |
| LADWP | 1 | 0 MW |
What is waiting in Arizona, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 111 | 39.6 GW |
| Other | 69 | 18.9 GW |
| Battery | 42 | 10.6 GW |
| Hybrid | 13 | 7.4 GW |
| Wind | 15 | 5.2 GW |
| Gas | 15 | 3.4 GW |
Counties with the most capacity queued
| County | Pending | Capacity queued | Already built |
|---|---|---|---|
| Maricopa County | 91 | 25.2 GW | 8.7 GW |
| Navajo County | 25 | 9.4 GW | 119 MW |
| Mohave County | 22 | 7.8 GW | 0 MW |
| Coconino County | 13 | 7.8 GW | 423 MW |
| Yuma County | 23 | 7.3 GW | 1.9 GW |
| La Paz County | 7 | 5.8 GW | 500 MW |
| Pima County | 19 | 4.9 GW | 5 MW |
| Apache County | 10 | 3.9 GW | 0 MW |
| Yavapai County | 5 | 1.5 GW | 38 MW |
| Cochise County | 3 | 800 MW | 0 MW |
Data centre campuses recorded in Arizona
| Campus | Operator | Reported demand |
|---|---|---|
| Microsoft Goodyear | Microsoft | 202 MW |
A campus is tagged as a data centre by our classification, not by the operator’s own statement. 44 of the 72 campuses we hold carry coordinates, so only those can be mapped.
Arizona on the map
Every application above is plotted, searchable and clickable.