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Washington
GRAND COULEE

GRAND COULEE

Operating

100-229 kV substation in Washington

Voltage class: 100-229 kV
Max voltage: 115 kV
Min voltage: 115 kV
Coordinates: 47.9374, -119.0083

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NearbyGRAND COULEE 230KV GRAND COULEE 500KV GRAND COULEE NUMBER ONE GRANDVIEW GRANTIE FALLS GRAVELLY LAKE GRAYS HARBOR GRAYS RIVER GREEN BLUFF GREENWATER

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Bywatts - a database of US energy infrastructure. 610,000+ geolocated records across solar companies, installers, power plants, substations, transmission lines, and data centers. Data aggregated from HIFLD, EIA, PeeringDB, and curated industry sources, refreshed regularly. Set in Space Grotesk, IBM Plex Sans, and IBM Plex Mono. © 2026 Bywatts.

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