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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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GOLDENDALE GOODNOE GOOSE LAKE GRADY GRAND AVENUE GRAND COULEE 230KV GRAND COULEE 500KV GRAND COULEE NUMBER ONE GRANDVIEW GRANTIE FALLS

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Bywatts - a database of US energy infrastructure. 610,000+ records overall, 129,000+ of them geolocated across solar companies, installers, power plants, substations, transmission lines, and data centers. Data aggregated from HIFLD, EIA, PeeringDB, and curated industry sources, updated periodically. Set in Space Grotesk, IBM Plex Sans, and IBM Plex Mono. © 2026 Bywatts.

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