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Gridcensus

TAP310964

Substation

California · IMPERIAL IRRIGATION DISTRICT

Max voltage
66
kV

At a glance

TAP310964 is a 66 kV electric substation in California on IMPERIAL IRRIGATION DISTRICT's transmission network, recorded in the HIFLD transmission dataset. 3 transmission lines connect to it. The highest-scoring datacenter candidate site within about 25 miles is IMPERIAL VALLEY in Imperial County, with a DC Readiness score of 55/100.

TAP310964 is an electric transmission substation in California, on IMPERIAL IRRIGATION DISTRICT's transmission network. It is classified as distribution (<69 kv) and connects 3 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 voltage66 kV
Voltage classDistribution (<69 kV)
Connected lines3

Ownership

Line owner (most lines)IMPERIAL IRRIGATION DISTRICT
Coordinates32.6940, -115.3371

Connected transmission lines

Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.

Line IDVoltageOwnerStatusLength
#30031635 kVIMPERIAL IRRIGATION DISTRICTIN SERVICE10.6 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP310964, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP310964 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
IMPERIAL VALLEYSubstation-AdjacentCAImperial County500 kV1,000 MW7.6 yrs55.0
IMPERIAL VALLEYSubstation-AdjacentCAImperial County500 kV1,000 MW7.6 yrs54.6
Heber GeothermalBrownfieldCAImperial County66 kV59 MW7.6 yrs54.3
EL CENTROSubstation-AdjacentCAImperial County230 kV300 MW7.6 yrs51.6
HIGHLINESubstation-AdjacentCAImperial County230 kV300 MW7.6 yrs50.6
UNKNOWN308676Substation-AdjacentCAImperial County230 kV300 MW7.6 yrs50.3
Ormesa IBrownfieldCAImperial County66 kV31 MW7.6 yrs50.1
EC Near El Centro HybridGreenfieldCAImperial——7.6 yrs48.3

Who owns the transmission lines at TAP310964?

The 1 connected line listed above is owned by IMPERIAL IRRIGATION DISTRICT. Line voltages range from 35 kV to 35 kV. Their combined recorded length is about 10.6 miles.

How do candidate sites near TAP310964 score?

The 8 highest-scoring candidate sites within about 25 miles range from 48 to 55 on the 0–100 DC Readiness scale. They fall in Imperial County, Imperial. 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 TAP310964 substation?

TAP310964 has a maximum voltage of 66 kV. That places it in the below 69 kV band. The median named US substation in this dataset is 115 kV, so TAP310964 is below the national midpoint.

How many transmission lines connect to TAP310964 substation?

3 transmission lines terminate at or pass through TAP310964 in the HIFLD line data. The connected lines listed here run at 35 kV. Together the listed lines cover about 10.6 miles.

Who owns TAP310964 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP310964 belong to IMPERIAL IRRIGATION DISTRICT. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP310964 substation located?

TAP310964 is in California at 32.6940, -115.3371. The datacenter candidate sites closest to it are in Imperial County, Imperial.

Are there datacenter candidate sites near TAP310964 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP310964. The highest-scoring is IMPERIAL VALLEY at 55/100. 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, “TAP310964 substation, California”, https://gridcensus.com/substations/california/tap310964-9fad767a (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 TAP310964 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.