Interconnection queue data
Arizona interconnection queue
1,046 interconnection requests have been filed at points of interconnection in Arizona since 2004, totalling 275 GW. Of that capacity, 4.9% reached commercial operation and 61.7% withdrew.
GridVision AI ResearchPublished Updated
Headline figures
- 275 GW
- of capacity requested in Arizona since 2004
- 4.9%
- of it reached commercial operation; 61.7% withdrew
- 181 GW
- filed in the last six years (579 requests), of which 41.9% is still in the queue
Which markets Arizona requests sit in
A state is a location, not a market. Requests at Arizona points of interconnection are studied by the market that runs the queue there, and the process differs between them.
| Market | Requests | Capacity filed | Reached operation | Withdrew | Outcome by capacity |
|---|---|---|---|---|---|
| West | 967 | 238 GW | 5.0% | 61.5% | |
| CAISO | 79 | 37 GW | 4.2% | 63.0% |
Process pages: CAISO.
By resource type
| Resource | Requests | Capacity filed | Reached operation | Withdrew | Outcome by capacity |
|---|---|---|---|---|---|
| Hybrid | 338 | 126 GW | 3.7% | 56.3% | |
| Solar | 326 | 45 GW | 7.9% | 86.3% | |
| Battery | 177 | 39 GW | 2.9% | 66.9% | |
| Other | 97 | 27 GW | 0.1% | 28.6% | |
| Wind | 55 | 18 GW | 1.8% | 73.9% | |
| Gas | 53 | 20 GW | 19.7% | 63.0% |
Hybrid covers requests the dataset records as a combination, such as solar plus battery.
By year filed
- 200460 MW
- 20055 GW
- 20064 GW
- 20075 GW
- 200814 GW
- 20097 GW
- 20106 GW
- 20115 GW
- 2012341 MW
- 20131 GW
- 20142 GW
- 20152 GW
- 20166 GW
- 201712 GW
- 201815 GW
- 20198 GW
- 202018 GW
- 202150 GW
- 202233 GW
- 202342 GW
- 202420 GW
- 202517 GW
Recent years are unsettled: requests filed in the last few years may still be built or withdrawn.
Points of interconnection with the most requests
- Hassayampa 500 kV34 requests in the dataset
- Pinal Central 230 kV16 requests in the dataset
- Springerville 345kV Substation14 requests in the dataset
- Hoodoo Wash Switchyard 500 kV13 requests in the dataset
- Pinal West 500 kV12 requests in the dataset
- Cholla 500kV10 requests in the dataset
Names are as the dataset records them, so spelling variants of one station can appear separately.
Published retrospectives in Arizona
Method and limits
Each request is counted once, at the capacity and status the dataset records for it, and placed in the state the dataset gives for its point of interconnection. Requests missing a state, status, filing year or capacity are left out. The dataset records outcomes and dates, not reasons, so nothing here says why a request withdrew, and no share is a rate to plan against.
For the same record filtered your own way, use the queue explorer; for national tables and time-to-build figures, see queue statistics.
Source: Lawrence Berkeley National Laboratory, Queued Up: 2026 Edition, data file through 2025, CC BY 4.0. Computed 2026-09-18.
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