Skip to content

Companies Installers Power Plants Categories Guides States Calculator Open the map

esc

↑↓ navigate ↵ open esc close

Home
Substations
Washington
ADDY

ADDY

Operating

230-344 kV substation in Washington

Voltage class: 230-344 kV
Max voltage: 230 kV
Min voltage: 115 kV
Coordinates: 48.3583, -117.8500

See it on the map

NearbyAES COLUMBIA POWER AIRPORT AIRWAY HEIGHTS ALCOA ALDERTON ALDERWOOD MANOR ALFALFA AMES LAKE ANDREW YORK MONITOR & SWITCHYARD ANGUS

Directories

Solar companies
Installers
Power plants
Substations
Data centers
Categories

Tools

Interactive map
FEOC calculator

Resources

Guides
All states
Sitemap

Legal

Privacy Policy
Cookie Policy
Terms of Service
Accessibility

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.

No trackers. No analytics. No ads.