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Gridcensus

LEIDESDORFF-COLOMA

Substation

California

Max voltage
66
kV

At a glance

LEIDESDORFF-COLOMA is a 66 kV electric substation in California, recorded in the HIFLD transmission dataset. 2 transmission lines connect to it. 1,504 of California's 3,003 named substations operate in a higher voltage band. The highest-scoring datacenter candidate site within about 25 miles is UNKNOWN302253 in Sacramento County, with a DC Readiness score of 58/100.

LEIDESDORFF-COLOMA is an electric transmission substation in California. It is classified as distribution (<69 kv) and connects 2 transmission lines. 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 voltage66 kV
Min voltage60 kV
Voltage classDistribution (<69 kV)
Connected lines2

Ownership & operation

Operator not catalogued for this substation.

Coordinates38.6825, -121.1715

Nearby datacenter candidate sites

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

Candidate sites near LEIDESDORFF-COLOMA substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
UNKNOWN302253Substation-AdjacentCASacramento County230 kV300 MW7.6 yrs58.0
NORTH CITYSubstation-AdjacentCASacramento County230 kV300 MW7.6 yrs57.8
STATION ASubstation-AdjacentCASacramento County230 kV300 MW7.6 yrs57.8
STATION BSubstation-AdjacentCASacramento County230 kV300 MW7.6 yrs57.7
STATION DSubstation-AdjacentCASacramento County230 kV300 MW7.6 yrs57.7
FIDDYMENTSubstation-AdjacentCASacramento County230 kV300 MW7.6 yrs57.6
NATOMASSubstation-AdjacentCASacramento County230 kV300 MW7.6 yrs57.2
Sierra Pacific Lincoln FacilityBrownfieldCASutter County66 kV13 MW7.6 yrs57.1

How does LEIDESDORFF-COLOMA compare with other substations in California?

California has 4,260 substation records in HIFLD, of which 3,003 carry a station name; the rest are unnamed tap points, risers and line ends. 1,439 named substations in the state are in LEIDESDORFF-COLOMA's below 69 kV band (48% of named stations). 1,504 sit in a higher band. 44 named substations in California operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 69 kV.

How do candidate sites near LEIDESDORFF-COLOMA score?

The 8 highest-scoring candidate sites within about 25 miles range from 57 to 58 on the 0–100 DC Readiness scale. They fall in Sacramento County, Sutter 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 LEIDESDORFF-COLOMA substation?

LEIDESDORFF-COLOMA has a maximum voltage of 66 kV and a minimum of 60 kV. That places it in the below 69 kV band. The median named US substation in this dataset is 115 kV, so LEIDESDORFF-COLOMA is below the national midpoint.

How many transmission lines connect to LEIDESDORFF-COLOMA substation?

2 transmission lines terminate at or pass through LEIDESDORFF-COLOMA in the HIFLD line data.

Where is LEIDESDORFF-COLOMA substation located?

LEIDESDORFF-COLOMA is in California at 38.6825, -121.1715. The datacenter candidate sites closest to it are in Sacramento County, Sutter County.

Are there datacenter candidate sites near LEIDESDORFF-COLOMA substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of LEIDESDORFF-COLOMA. The highest-scoring is UNKNOWN302253 at 58/100. Across California, the average DC Readiness score is 45.4.

Other 66 kV substations 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, “LEIDESDORFF-COLOMA substation, California”, https://gridcensus.com/substations/california/leidesdorff-coloma-8c556108 (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 LEIDESDORFF-COLOMA 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.