Avista interconnection queue
42 interconnection requests are active in Avista, totalling 5.2 GW, as of 15 August 2026. Of the 173 requests ever filed here, 9 were built and 117 were withdrawn — a build rate of 7.1% on decided applications.
Active requests
42
of 173 ever filed
Capacity queued
5.2 GW
requested, not committed
Built vs decided
7.1%
9 built, 117 withdrawn
Median wait so far
5.6 yr
for requests still active
Median time to build
1.7 yr
request to commercial operation
Source: the Avista interconnection queue as published by the transmission provider, parsed and normalised by Watt Street. Data as of 15 August 2026. Wait times are medians over requests that carry a measured date.
What is queued in Avista, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Wind | 10 | 2.8 GW |
| Solar | 20 | 1.4 GW |
| Battery | 5 | 552 MW |
| Gas | 3 | 203 MW |
| Other | 2 | 142 MW |
| Hydro | 2 | 52 MW |
Where Avista’s queue sits
| State | Applications | Capacity pending |
|---|---|---|
| Washington | 143 | 3.8 GW |
| Montana | 5 | 900 MW |
| Idaho | 24 | 455 MW |
Largest active requests
| Project | Fuel | Capacity | County | State | Filed |
|---|---|---|---|---|---|
| 82 | Wind | 600 MW | Meagher County | MT | 2019-02 |
| CS25-09 | Solar | 375 MW | Adams County | WA | 2025-04 |
| TCS-14 | Wind | 375 MW | Garfield County | WA | 2021-01 |
| 83 | Wind | 300 MW | Meagher County | MT | 2019-03 |
| CS24-15 | Wind | 300 MW | Lincoln County | WA | 2024-04 |
| CS25-11 | Wind | 300 MW | Garfield County | WA | 2025-04 |
| CS25-08 | Battery | 250 MW | Spokane County | WA | 2025-04 |
| CS23-06 | Wind | 220 MW | Whitman County | WA | 2023-04 |
| 99 | Solar | 200 MW | Franklin County | WA | 2019-09 |
| CS25-15 | Wind | 200 MW | Spokane County | WA | 2025-04 |
| CS25-17 | Wind | 200 MW | Spokane County | WA | 2025-04 |
| CS23-12 | Battery | 199 MW | Franklin County | WA | 2023-05 |
| CS25-07 | Wind | 199 MW | Whitman County | WA | 2025-04 |
| 104 | Wind | 120 MW | Spokane County | WA | 2020-03 |
| CS25-04 | Gas | 102 MW | Kootenai County | ID | 2025-04 |