Electric Substations in Washington
1,525 catalogued substations in Washington, with the highest-voltage facilities listed first. Each substation profile shows voltage class, operator, connected transmission lines, and the datacenter candidate sites closest to it.
| Substation | Max voltage | Connected lines | Operator |
|---|---|---|---|
| MONROE | 500 kV | 6 | BONNEVILLE POWER ADMINISTRATION |
| INVALID | 500 kV | 2 | BONNEVILLE POWER ADMINISTRATION |
| SNO-KING | 500 kV | 10 | BONNEVILLE POWER ADMINISTRATION |
| CUSTER | 500 kV | 9 | BC HYDRO |
| TAP200917 | 500 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| TAP206230 | 500 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| INGLEDOW | 500 kV | 2 | BC HYDRO |
| HATWAI | 500 kV | 3 | AVISTA CORP |
| CHIEF JOSEPH | 500 kV | 15 | BONNEVILLE POWER ADMINISTRATION |
| TAFT | 500 kV | 1 | BONNEVILLE POWER ADMINISTRATION |
| LOWER MONUMENTAL | 500 kV | 6 | BONNEVILLE POWER ADMINISTRATION |
| SCHULTZ | 500 kV | 10 | BONNEVILLE POWER ADMINISTRATION |
| GRAND COULEE 500KV | 500 kV | 11 | BONNEVILLE POWER ADMINISTRATION |
| SICKLER | 500 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| GRAND COULEE 230KV | 500 kV | 16 | BONNEVILLE POWER ADMINISTRATION |
| GRAND COULEE | 500 kV | 13 | BONNEVILLE POWER ADMINISTRATION |
| PHALEN GULCH | 500 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| BIG HANAFORD | 500 kV | 2 | BONNEVILLE POWER ADMINISTRATION |
| LOWER SNAKE RIVER WIND ENERGY PROJECT | 500 kV | 1 | BONNEVILLE POWER ADMINISTRATION |
| BELL | 500 kV | 18 | AVISTA CORP |
| CHEHALIS GENERATING FACILITY | 500 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| TRANSALTA CENTRALIA GENERATION | 500 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| CENTRAL FERRY | 500 kV | 7 | BONNEVILLE POWER ADMINISTRATION |
| LOWER GRANITE | 500 kV | 4 | BONNEVILLE POWER ADMINISTRATION |
| LITTLE GOOSE | 500 kV | 5 | BONNEVILLE POWER ADMINISTRATION |
| COLUMBIA GENERATING STATION | 500 kV | 4 | BONNEVILLE POWER ADMINISTRATION |
| VANTAGE | 500 kV | 11 | BONNEVILLE POWER ADMINISTRATION |
| COLUMBIA | 500 kV | 15 | BONNEVILLE POWER ADMINISTRATION |
| ASHE | 500 kV | 7 | BONNEVILLE POWER ADMINISTRATION |
| HANFORD | 500 kV | 6 | BONNEVILLE POWER ADMINISTRATION |
| WAUTOMA | 500 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| PAUL | 500 kV | 7 | BONNEVILLE POWER ADMINISTRATION |
| SATSOP | 500 kV | 6 | BONNEVILLE POWER ADMINISTRATION |
| OLYMPIA | 500 kV | 11 | BONNEVILLE POWER ADMINISTRATION |
| RAVER | 500 kV | 9 | BONNEVILLE POWER ADMINISTRATION |
| NAPAVINE | 500 kV | 4 | BONNEVILLE POWER ADMINISTRATION |
| TACOMA | 500 kV | 10 | BONNEVILLE POWER ADMINISTRATION |
| COVINGTON | 500 kV | 14 | BONNEVILLE POWER ADMINISTRATION |
| ECHO LAKE | 500 kV | 4 | BONNEVILLE POWER ADMINISTRATION |
| MAPLE VALLEY | 500 kV | 12 | BONNEVILLE POWER ADMINISTRATION |
| ROCKY REACH | 345 kV | 14 | BONNEVILLE POWER ADMINISTRATION |
| SNOHOMISH | 345 kV | 13 | BONNEVILLE POWER ADMINISTRATION |
| TAP206473 | 275 kV | 2 | PUD NO 1 OF OKANOGAN COUNTY |
| MAYFIELD | 240 kV | 4 | BONNEVILLE POWER ADMINISTRATION |
| MOSSYROCK PP | 240 kV | 5 | BONNEVILLE POWER ADMINISTRATION |
| MOSSYROCK | 240 kV | 4 | CITY OF TACOMA - (WA) |
| TAP200417 | 230 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| TAP203436 | 230 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| SOUTH TACOMA | 230 kV | 4 | BONNEVILLE POWER ADMINISTRATION |
| COWLITZ | 230 kV | 11 | BONNEVILLE POWER ADMINISTRATION |
| CRESTON NELSON | 230 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| WNP 1 | 230 kV | 1 | BONNEVILLE POWER ADMINISTRATION |
| OUTLOOK | 230 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| TAP203465 | 230 kV | 3 | BONNEVILLE POWER ADMINISTRATION |
| WHITE BLUFFS | 230 kV | 6 | BONNEVILLE POWER ADMINISTRATION |
| DUWAMISH | 230 kV | 4 | BONNEVILLE POWER ADMINISTRATION |
| SHELTON | 230 kV | 15 | BONNEVILLE POWER ADMINISTRATION |
| GRAYS HARBOR | 230 kV | 4 | BONNEVILLE POWER ADMINISTRATION |
| FAIRMOUNT | 230 kV | 8 | BONNEVILLE POWER ADMINISTRATION |
| HAPPY VALLEY | 230 kV | 2 | BONNEVILLE POWER ADMINISTRATION |
See datacenter candidate sites in Washington →
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for substations in Washington. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.