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DEADEND310155

Substation

California

Max voltage
230
kV

At a glance

DEADEND310155 is a 230 kV electric substation in California, recorded in the HIFLD transmission dataset. 1 transmission line connect to it. The highest-scoring datacenter candidate site within about 25 miles is VACA-DIXON in Solano County, with a DC Readiness score of 58/100.

DEADEND310155 is an electric transmission substation in California. It is classified as high-voltage (230 kv) and connects 1 transmission line. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.

Voltage & classification

Max voltage230 kV
Min voltage230 kV
Voltage classHigh-voltage (230 kV)
Connected lines1

Ownership & operation

Operator not catalogued for this substation.

Coordinates38.1992, -122.1584

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of DEADEND310155, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near DEADEND310155 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
VACA-DIXONSubstation-AdjacentCASolano County500 kV1,000 MW7.6 yrs58.3
Richmond Refinery TG800BrownfieldCAMarin County115 kV21 MW7.6 yrs56.8
BAHIASubstation-AdjacentCAContra Costa County230 kV300 MW7.6 yrs56.5
SOBRANTESubstation-AdjacentCAContra Costa County230 kV300 MW7.6 yrs56.5
MORAGASubstation-AdjacentCAContra Costa County230 kV300 MW7.6 yrs56.4
ROSSMOOR TAP 2Substation-AdjacentCAContra Costa County230 kV300 MW7.6 yrs56.0
ROSSMOORSubstation-AdjacentCAContra Costa County230 kV300 MW7.6 yrs56.0
IGNACIOSubstation-AdjacentCAMarin County230 kV300 MW7.6 yrs55.9

How do candidate sites near DEADEND310155 score?

The 8 highest-scoring candidate sites within about 25 miles range from 56 to 58 on the 0–100 DC Readiness scale. They fall in Solano County, Marin County, Contra Costa County. The California average across 8,490 scored sites is 45.4. 1,573 of those California sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is DEADEND310155 substation?

DEADEND310155 has a maximum voltage of 230 kV. That places it in the 230–344 kV band. The median named US substation in this dataset is 115 kV, so DEADEND310155 is above the national midpoint.

How many transmission lines connect to DEADEND310155 substation?

1 transmission line terminate at or pass through DEADEND310155 in the HIFLD line data.

Where is DEADEND310155 substation located?

DEADEND310155 is in California at 38.1992, -122.1584. The datacenter candidate sites closest to it are in Solano County, Marin County, Contra Costa County.

Are there datacenter candidate sites near DEADEND310155 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of DEADEND310155. The highest-scoring is VACA-DIXON at 58/100. Across California, the average DC Readiness score is 45.4.

More in California

About this data

Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “DEADEND310155 substation, California”, https://gridcensus.com/substations/california/deadend310155-f371630c (data as of June 29, 2026).

Dataset updated . Screening estimates derived from public data sources.

Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.

Go deeper than the public screen

Every site and score for DEADEND310155 substation, California is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.