King County, Washington — Interconnection Projects
The interXdata warehouse tracks 50 interconnection projects in King, Washington, representing 963 MW of requested capacity.
50Total projects
2Active
44Operational
4Withdrawn
963 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Gas | 21 | 608 MW |
| Other | 28 | 204 MW |
| Battery | 1 | 150 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| Cedar Hills Energy LLC | G55 | Gas | 300.0 MW | withdrawn | King, Washington |
| Enron Power Marketing | G89 | Gas | 300.0 MW | withdrawn | King, Washington |
| WA Queue Project G1014 — Battery in King, Washington | G1014 | Battery | 150.0 MW | active | King, Washington |
| Grand Ridge Substation | L0373 | Other | 24.8 MW | active | King, Washington |
| Snoqualmie 2 | 7867_7 | Other | 24.3 MW | operational | King, Washington |
| Bridgeport I5 Commercial/Industrial Project | L0531 | Other | 20.7 MW | operational | King, Washington |
| South Fork Tolt | 622_1 | Other | 16.8 MW | operational | King, Washington |
| Cedar Falls (WA) | 6430_6 | Other | 15.0 MW | operational | King, Washington |
| Cedar Falls (WA) | 6430_5 | Other | 15.0 MW | operational | King, Washington |
| Snoqualmie 2 | 7867_6A | Other | 14.4 MW | operational | King, Washington |
| Twin Falls Hydro | 50827_UNI1 | Other | 12.0 MW | operational | King, Washington |
| Twin Falls Hydro | 50827_UNI2 | Other | 12.0 MW | operational | King, Washington |
| Snoqualmie | 3860_5A | Other | 6.8 MW | operational | King, Washington |
| Calligan Creek Hydroelectric Project | 60418_CC6MW | Other | 6.0 MW | operational | King, Washington |
| Hancock Creek Hydroelectric Project | 60517_HY1 | Other | 6.0 MW | operational | King, Washington |
| Weeks Falls | 54387_GEN1 | Other | 4.3 MW | operational | King, Washington |
| Black Creek | 54860_GEN1 | Other | 3.7 MW | operational | King, Washington |
| University of Washington Power Plant | 54809_TG3 | Gas | 3.0 MW | operational | King, Washington |
| West Point Treatment Plant | 50329_4 | Other | 2.3 MW | operational | King, Washington |
| West Point Treatment Plant | 50329_5 | Other | 2.3 MW | operational | King, Washington |
| University of Washington Power Plant | 54809_DG7 | Other | 2.0 MW | operational | King, Washington |
| University of Washington Power Plant | 54809_DG5 | Other | 2.0 MW | operational | King, Washington |
| University of Washington Power Plant | 54809_DG3 | Other | 2.0 MW | operational | King, Washington |
| University of Washington Power Plant | 54809_DG6 | Other | 2.0 MW | operational | King, Washington |
| University of Washington Power Plant | 54809_DRUPS | Other | 2.0 MW | operational | King, Washington |
| University of Washington Power Plant | 54809_DG4 | Other | 2.0 MW | operational | King, Washington |
| Snoqualmie | 3860_2 | Other | 1.5 MW | operational | King, Washington |
| Snoqualmie | 3860_1 | Other | 1.5 MW | operational | King, Washington |
| Snoqualmie | 3860_3 | Other | 1.5 MW | operational | King, Washington |
| Snoqualmie | 3860_4 | Other | 1.5 MW | operational | King, Washington |
| Cedar Hills | 57298_18 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_16 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_5 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_7 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_9 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_15 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_12 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_11 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_10 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_13 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_17 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_14 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_8 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_6 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_4 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_3 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_1 | Gas | 0.3 MW | operational | King, Washington |
| Cedar Hills | 57298_2 | Gas | 0.3 MW | operational | King, Washington |
| Mt. Si | L0286 | Other | 0.0 MW | withdrawn | King, Washington |
| Novelty Substation | L0287 | Other | 0.0 MW | withdrawn | King, Washington |
Top developers
| Developer (canonical) | Projects | Capacity |
|---|---|---|
| Puget Sound Energy | 3 | 25 MW |
| Cedar Hills Energy LLC | 1 | 300 MW |
| City of Milton | 1 | 21 MW |
| Enron Power Marketing, Inc. | 1 | 300 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). Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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