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Gridcensus

Electric Substations in Washington

2,106 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.

SubstationMax voltageConnected linesOperator
SACAJAWEA500 kV3
MAPLE VALLEY500 kV12
SCHULTZ500 kV10
LITTLE GOOSE500 kV5
TAP200917500 kV3
COLUMBIA GENERATING STATION500 kV3
ASHE500 kV9
BELL500 kV18
MONROE500 kV6
COVINGTON500 kV14
SATSOP500 kV6
SICKLER500 kV3
GRAND COULEE 500KV500 kV11
BIG HANAFORD500 kV2
WAUTOMA500 kV5
HANFORD500 kV6
LOWER MONUMENTAL500 kV7
LOWER GRANITE500 kV4
CHIEF JOSEPH500 kV14
CENTRAL FERRY500 kV7
RAVER500 kV9
TAP206230500 kV3
ROCK CREEK500 kV7
SNO-KING500 kV10
GRAND COULEE 230KV500 kV16
OLYMPIA500 kV12
VANTAGE500 kV12
COLUMBIA500 kV15
TAP203128500 kV3
PHALEN GULCH500 kV3
CUSTER500 kV9
PAUL500 kV8
ECHO LAKE500 kV4
NAPAVINE500 kV5
ROSS345 kV15
ROCKY REACH345 kV13
SNOHOMISH345 kV19
TAP209123345 kV3
TAP206473275 kV3
MOSSYROCK PP240 kV5
MAYFIELD240 kV4
SAMMAMISH230 kV9
SOUTH TACOMA230 kV4
BETTAS ROAD230 kV4
INTALCO230 kV2
POTHOLES230 kV3
ROCKY FORD230 kV6
DOUGLAS230 kV6
BOTHELL230 kV13
SHELTON230 kV15
NORTH BONNEVILLE230 kV9
SEDRO WOOLLEY230 kV12
COWLITZ230 kV11
KITSAP230 kV7
WHITE RIVER230 kV16
HARVALUM230 kV3
SPRING CREEK230 kV3
SAND DUNES230 kV7
SIFTON230 kV9
BELLINGHAM230 kV6

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.