King County County, Washington — Interconnection Projects
The interXdata warehouse tracks 18 interconnection projects in King County, Washington, representing 1,410 MW of requested capacity.
18Total projects
2Active
5Operational
8Withdrawn
1,410 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|
| Battery | 9 | 1,330 MW |
| Other | 8 | 53 MW |
| Gas | 1 | 27 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|
| WA Queue Project 99 — Battery in King County, Washington | 99 | Battery | 250.0 MW | suspended | King County, Washington |
| WA Queue Project 101 — Battery in King County, Washington | 101 | Battery | 200.0 MW | suspended | King County, Washington |
| WA Queue Project 138 — Battery in King County, Washington | 138 | Battery | 175.0 MW | withdrawn | King County, Washington |
| WA Queue Project 136 — Battery in King County, Washington | 136 | Battery | 150.0 MW | withdrawn | King County, Washington |
| WA Queue Project 139 — Battery in King County, Washington | 139 | Battery | 130.0 MW | active | King County, Washington |
| WA Queue Project 121 — Battery in King County, Washington | 121 | Battery | 125.0 MW | suspended | King County, Washington |
| WA Queue Project 148 — Battery in King County, Washington | 148 | Battery | 100.0 MW | active | King County, Washington |
| WA Queue Project 143 — Battery in King County, Washington | 143 | Battery | 100.0 MW | withdrawn | King County, Washington |
| WA Queue Project 76 — Battery in King County, Washington | 76 | Battery | 100.0 MW | withdrawn | King County, Washington |
| WA Queue Project 3 — Gas in King County, Washington | 3 | Gas | 27.0 MW | withdrawn | King County, Washington |
| WA Queue Project 27 — Other in King County, Washington | 27 | Other | 10.0 MW | withdrawn | King County, Washington |
| WA Queue Project 31 — Other in King County, Washington | 31 | Other | 8.3 MW | operational | King County, Washington |
| WA Queue Project 91 — Other in King County, Washington | 91 | Other | 6.5 MW | operational | King County, Washington |
| WA Queue Project 92 — Other in King County, Washington | 92 | Other | 6.5 MW | operational | King County, Washington |
| WA Queue Project 34 — Other in King County, Washington | 34 | Other | 6.0 MW | operational | King County, Washington |
| WA Queue Project 33 — Other in King County, Washington | 33 | Other | 6.0 MW | operational | King County, Washington |
| WA Queue Project 25 — Other in King County, Washington | 25 | Other | 5.0 MW | withdrawn | King County, Washington |
| WA Queue Project 26 — Other in King County, Washington | 26 | Other | 5.0 MW | withdrawn | King County, Washington |
Top developers
Developer attribution is not yet resolved for this set.
Explore related data
Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: pse-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.