Walla Walla County, Washington — Interconnection Projects
The interXdata warehouse tracks 58 interconnection projects in Walla Walla, Washington, representing 8,173 MW of requested capacity.
58Total projects
10Active
21Operational
27Withdrawn
8,173 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Other | 26 | 2,709 MW |
| Wind | 17 | 2,386 MW |
| Gas | 2 | 1,060 MW |
| Solar+Battery | 4 | 972 MW |
| Battery | 4 | 709 MW |
| Solar | 5 | 338 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| WA Queue Project G0281 — Gas in Walla Walla, Washington | G0281 | Gas | 760.0 MW | withdrawn | Walla Walla, Washington |
| Wallula 500kV | L0426 | Other | 500.0 MW | withdrawn | Walla Walla, Washington |
| West Queue Project 111 — Solar+Battery in Walla Walla, Washington | 111 | Solar+Battery | 375.0 MW | withdrawn | Walla Walla, Washington |
| WA Queue Project G0873 — Wind in Walla Walla, Washington | G0873 | Wind | 300.0 MW | withdrawn | Walla Walla, Washington |
| AES Pacific Inc | G72 | Gas | 300.0 MW | withdrawn | Walla Walla, Washington |
| Data Storage Facility | L0630 | Other | 300.0 MW | active | Walla Walla, Washington |
| WA Queue Project G0935 — Solar in Walla Walla, Washington | G0935 | Solar | 225.0 MW | active | Walla Walla, Washington |
| PACW Queue Project S0027 — Battery in Walla Walla, Washington | S0027 | Battery | 210.0 MW | active | Walla Walla, Washington |
| West Queue Project 1 — Wind in Walla Walla, Washington | 1 | Wind | 210.0 MW | operational | Walla Walla, Washington |
| WA Queue Project G0535 — Other in Walla Walla, Washington | G0535 | Other | 210.0 MW | active | Walla Walla, Washington |
| 200MW North Lewiston-Walla Walla 1 | G75 | Wind | 200.0 MW | withdrawn | Walla Walla, Washington |
| 200MW North Lewiston-Walla Walla 2 | G76 | Wind | 200.0 MW | withdrawn | Walla Walla, Washington |
| WA Queue Project G0671 — Wind in Walla Walla, Washington | G0671 | Wind | 200.0 MW | active | Walla Walla, Washington |
| PACW Queue Project C4-045 — Battery in Walla Walla, Washington | C4-045 | Battery | 199.0 MW | withdrawn | Walla Walla, Washington |
| PACW Queue Project C3-140 — Solar+Battery in Walla Walla, Washington | C3-140 | Solar+Battery | 199.0 MW | withdrawn | Walla Walla, Washington |
| PACW Queue Project C4-038 — Solar+Battery in Walla Walla, Washington | C4-038 | Solar+Battery | 199.0 MW | withdrawn | Walla Walla, Washington |
| PACW Queue Project C2-141 — Solar+Battery in Walla Walla, Washington | C2-141 | Solar+Battery | 199.0 MW | withdrawn | Walla Walla, Washington |
| FPL Energy Vansycle LLC (WA) | 55560_V-47 | Wind | 176.9 MW | operational | Walla Walla, Washington |
| NextEra Energy Resources | G88 | Wind | 150.0 MW | withdrawn | Walla Walla, Washington |
| PACW Queue Project C2-157 — Battery in Walla Walla, Washington | C2-157 | Battery | 150.0 MW | withdrawn | Walla Walla, Washington |
| Touchet Wind Farm | G84 | Wind | 150.0 MW | withdrawn | Walla Walla, Washington |
| PACW Queue Project C3-106 — Battery in Walla Walla, Washington | C3-106 | Battery | 150.0 MW | withdrawn | Walla Walla, Washington |
| Lower Monumental | 3927_3 | Other | 135.0 MW | operational | Walla Walla, Washington |
| Lower Monumental | 3927_5 | Other | 135.0 MW | operational | Walla Walla, Washington |
| Lower Monumental | 3927_4 | Other | 135.0 MW | operational | Walla Walla, Washington |
| Lower Monumental | 3927_6 | Other | 135.0 MW | operational | Walla Walla, Washington |
| Lower Monumental | 3927_1 | Other | 135.0 MW | operational | Walla Walla, Washington |
| Lower Monumental | 3927_2 | Other | 135.0 MW | operational | Walla Walla, Washington |
| 125 MW 115 kV Sacajawea Tap | L0637 | Other | 125.0 MW | operational | Walla Walla, Washington |
| Ice Harbor | 3925_5 | Other | 111.0 MW | operational | Walla Walla, Washington |
| Ice Harbor | 3925_4 | Other | 111.0 MW | operational | Walla Walla, Washington |
| Ice Harbor | 3925_6 | Other | 111.0 MW | operational | Walla Walla, Washington |
| PACW Queue Project T2-022 — Wind in Walla Walla, Washington | T2-022 | Wind | 100.0 MW | active | Walla Walla, Washington |
| West Queue Project 41 — Wind in Walla Walla, Washington | 41 | Wind | 100.0 MW | withdrawn | Walla Walla, Washington |
| PACW Queue Project C3-021 — Wind in Walla Walla, Washington | C3-021 | Wind | 100.0 MW | withdrawn | Walla Walla, Washington |
| WA Queue Project G0924 — Wind in Walla Walla, Washington | G0924 | Wind | 100.0 MW | active | Walla Walla, Washington |
| WA Queue Project G0923 — Wind in Walla Walla, Washington | G0923 | Wind | 100.0 MW | withdrawn | Walla Walla, Washington |
| WA Queue Project G0925 — Wind in Walla Walla, Washington | G0925 | Wind | 100.0 MW | active | Walla Walla, Washington |
| West Queue Project 16 — Wind in Walla Walla, Washington | 16 | Wind | 98.9 MW | operational | Walla Walla, Washington |
| West Queue Project 276 — Wind in Walla Walla, Washington | 276 | Wind | 98.9 MW | withdrawn | Walla Walla, Washington |
| Ice Harbor | 3925_2 | Other | 90.0 MW | operational | Walla Walla, Washington |
| Ice Harbor | 3925_1 | Other | 90.0 MW | operational | Walla Walla, Washington |
| Ice Harbor | 3925_3 | Other | 90.0 MW | operational | Walla Walla, Washington |
| West Queue Project 923 — Solar in Walla Walla, Washington | 923 | Solar | 60.0 MW | withdrawn | Walla Walla, Washington |
| West Queue Project 749 — Solar in Walla Walla, Washington | 749 | Solar | 40.0 MW | withdrawn | Walla Walla, Washington |
| Radar Hill Substation | L0421 | Other | 40.0 MW | operational | Walla Walla, Washington |
| Wallula Area Expansion | L0420 | Other | 40.0 MW | operational | Walla Walla, Washington |
| Grays Harbor Loads | L0424 | Other | 40.0 MW | withdrawn | Walla Walla, Washington |
| Airport Substation | L0410 | Other | 25.0 MW | active | Walla Walla, Washington |
| PACW Queue Project C3-019 — Other in Walla Walla, Washington | C3-019 | Other | 10.4 MW | withdrawn | Walla Walla, Washington |
| West Queue Project 769 — Solar in Walla Walla, Washington | 769 | Solar | 8.0 MW | withdrawn | Walla Walla, Washington |
| West Queue Project 1148 — Solar in Walla Walla, Washington | 1148 | Solar | 5.0 MW | withdrawn | Walla Walla, Washington |
| City of Walla Walla Mill Creek Hydroelectric | G0475 | Other | 3.0 MW | operational | Walla Walla, Washington |
| Twin Reservoirs | 50382_GEN1 | Other | 2.2 MW | operational | Walla Walla, Washington |
| West Queue Project 570 — Wind in Walla Walla, Washington | 570 | Wind | 0.8 MW | withdrawn | Walla Walla, Washington |
| Lower Snake Redundant PH Tie Lines | L0327 | Other | 0.0 MW | withdrawn | Walla Walla, Washington |
| Dayton Substation | L0306 | Other | 0.0 MW | operational | Walla Walla, Washington |
| Lower Monumental Substation | L0368 | Other | 0.0 MW | active | Walla Walla, Washington |
Top developers
| Developer (canonical) | Projects | Capacity |
|---|---|---|
| Columbia Rural Electric Association | 7 | 993 MW |
| RES North America | 2 | 400 MW |
| Nextera | 1 | 150 MW |
| AES DE DEVCO NC LLC | 1 | 300 MW |
| Vansycle III, LLC | 1 | 99 MW |
| Winds Over Washington Energy Group | 1 | 150 MW |
| US Department of Army Corps of Engineers | 1 | 0 MW |
| FPL | 1 | 210 MW |
| Big Bend Electric Cooperative, Inc. | 1 | 40 MW |
| Public Utility District No. 1 of Cowlitz County | 1 | 40 MW |
| BPA Power Services | 1 | 0 MW |
Explore related data
Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: bpa-oasis; U.S. EIA — Form EIA-860M generator inventory (operating + planned); Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; pacificorp-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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