Skip to content
Gridcensus

TAP168490

Substation

Oklahoma

Max voltage
138
kV

At a glance

TAP168490 is a 138 kV electric substation in Oklahoma, recorded in the HIFLD transmission dataset. 3 transmission lines connect to it. The highest-scoring datacenter candidate site within about 25 miles is UNKNOWN148965 in Kay County, with a DC Readiness score of 61/100.

TAP168490 is an electric transmission substation in Oklahoma. It is classified as sub-transmission (138 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 voltage138 kV
Min voltage138 kV
Voltage classSub-transmission (138 kV)
Connected lines3

Ownership

No owner is recorded for the lines that connect here.

Coordinates36.8836, -97.1299

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#167255138 kV—IN SERVICE15.6 mi
#169848138 kV—IN SERVICE3.5 mi
#169849138 kV—IN SERVICE1.5 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP168490, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP168490 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
UNKNOWN148965Substation-AdjacentOKKay County345 kV600 MW4.3 yrs61.3
UNKNOWN155853Substation-AdjacentOKKay County345 kV600 MW4.3 yrs61.2
Strother Field Industrial ParkBrownfieldKSCowley—0 MW4.3 yrs60.2
EC Near Oxford (KS)GreenfieldKSSumner——4.3 yrs59.3
EC Near Wellington 1GreenfieldKSSumner——4.3 yrs59.1
EC Near PoncaGreenfieldOKKay——4.3 yrs59.0
EC Near Oxford (KS)GreenfieldKSSumner——4.3 yrs59.0
EC Near ConocoGreenfieldOKKay——4.3 yrs58.9

How do candidate sites near TAP168490 score?

The 8 highest-scoring candidate sites within about 25 miles range from 59 to 61 on the 0–100 DC Readiness scale. They fall in Kay County, Cowley, Sumner, Kay. The Oklahoma average across 3,723 scored sites is 52.9. 1,344 of those Oklahoma sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is TAP168490 substation?

TAP168490 has a maximum voltage of 138 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP168490 is above the national midpoint.

How many transmission lines connect to TAP168490 substation?

3 transmission lines terminate at or pass through TAP168490 in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 20.6 miles.

Where is TAP168490 substation located?

TAP168490 is in Oklahoma at 36.8836, -97.1299. The datacenter candidate sites closest to it are in Kay County, Cowley, Sumner.

Are there datacenter candidate sites near TAP168490 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP168490. The highest-scoring is UNKNOWN148965 at 61/100. Across Oklahoma, the average DC Readiness score is 52.9.

More in Oklahoma

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, “TAP168490 substation, Oklahoma”, https://gridcensus.com/substations/oklahoma/tap168490-b2306323 (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 TAP168490 substation, Oklahoma 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.