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Gridcensus

GRANTIE FALLS

Substation

Washington

Max voltage
69
kV

GRANTIE FALLS is an electric transmission substation in Washington. It is classified as distribution (69–115 kv) and connects 2 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.

Voltage & classification

Max voltage69 kV
Min voltage69 kV
Voltage classDistribution (69–115 kV)
Connected lines2

Ownership & operation

Operator not catalogued for this substation.

Coordinates48.0863, -121.9794

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of GRANTIE FALLS, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near GRANTIE FALLS substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
SNO-KINGSubstation-AdjacentWAKitsap County500 kV1,000 MW3.5 yrs68.2
TAP200917Substation-AdjacentWASnohomish County500 kV1,000 MW3.5 yrs68.1
MONROESubstation-AdjacentWASnohomish County500 kV1,000 MW3.5 yrs67.8
SNOHOMISHSubstation-AdjacentWASnohomish County345 kV600 MW3.5 yrs66.5
BOTHELLSubstation-AdjacentWASnohomish County230 kV300 MW3.5 yrs64.8
TAP206030Substation-AdjacentWASnohomish County230 kV300 MW3.5 yrs64.5
HORSE RANCHSubstation-AdjacentWASnohomish County230 kV300 MW3.5 yrs64.4
NOVELTY HILLSubstation-AdjacentWAKing County230 kV300 MW3.5 yrs63.5

Dataset updated . Screening estimates derived from public data sources.

Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.

Go deeper than the public screen

Every site and score for GRANTIE FALLS substation, Washington is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.