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California
CONTRA COSTA 4

CONTRA COSTA 4

Operating

31-99 kV substation in California

Voltage class: 31-99 kV
Max voltage: 60 kV
Coordinates: 37.9826, -121.7494

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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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