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Substations
California
SEGS 4

SEGS 4

Operating

230-344 kV substation in California

Voltage class: 230-344 kV
Max voltage: 230 kV
Coordinates: 35.0155, -117.5658

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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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