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Washington
GRAND COULEE 500KV

GRAND COULEE 500KV

Operating

500-734 kV substation in Washington

Voltage class: 500-734 kV
Max voltage: 500 kV
Min voltage: 500 kV
Coordinates: 47.9664, -119.0204

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NearbyGRAND COULEE NUMBER ONE GRANDVIEW GRANTIE FALLS GRAVELLY LAKE GRAYS HARBOR GRAYS RIVER GREEN BLUFF GREENWATER GUM STREET GUM STREET

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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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