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Gridcensus

TAP148816

Substation

Arkansas · OKLAHOMA GAS & ELECTRIC CO

Max voltage
69
kV

At a glance

TAP148816 is a 69 kV electric substation in Arkansas on OKLAHOMA GAS & ELECTRIC CO'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 FORT SMITH in Sebastian County, with a DC Readiness score of 66/100.

TAP148816 is an electric transmission substation in Arkansas, on OKLAHOMA GAS & ELECTRIC CO's transmission network. It is classified as distribution (69–115 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 voltage69 kV
Min voltage69 kV
Voltage classDistribution (69–115 kV)
Connected lines3

Ownership

Line owner (most lines)OKLAHOMA GAS & ELECTRIC CO
Coordinates35.5971, -94.3526

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#10478469 kVSOUTHWESTERN ELECTRIC POWER COIN SERVICE19.5 mi
#12905569 kVOKLAHOMA GAS & ELECTRIC COIN SERVICE1.2 mi
#14004969 kVOKLAHOMA GAS & ELECTRIC COIN SERVICE5.5 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP148816, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP148816 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
FORT SMITHSubstation-AdjacentARSebastian County500 kV1,000 MW4.3 yrs65.7
OZ AdairGreenfieldOKAdair——4.3 yrs61.3
OZ SebastianGreenfieldARSebastian——4.3 yrs61.0
Alma SolarBrownfieldARCrawford161 kV1 MW4.3 yrs60.8
OZ CrawfordGreenfieldARCrawford——4.3 yrs60.1
EC Coal Sebastian CountyGreenfieldARSebastian County——4.3 yrs59.6
OZ Le FloreGreenfieldOKLe Flore——4.3 yrs59.4
GREENLANDSubstation-AdjacentARWashington County69 kV50 MW4.3 yrs59.0

Who owns the transmission lines at TAP148816?

The 3 connected lines listed above are owned by SOUTHWESTERN ELECTRIC POWER CO, OKLAHOMA GAS & ELECTRIC CO. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 26.2 miles.

How do candidate sites near TAP148816 score?

The 8 highest-scoring candidate sites within about 25 miles range from 59 to 66 on the 0–100 DC Readiness scale. They fall in Sebastian County, Adair, Sebastian, Crawford. The Arkansas average across 1,651 scored sites is 53.6. 758 of those Arkansas sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is TAP148816 substation?

TAP148816 has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so TAP148816 is below the national midpoint.

How many transmission lines connect to TAP148816 substation?

3 transmission lines terminate at or pass through TAP148816 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 26.2 miles.

Who owns TAP148816 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP148816 belong to OKLAHOMA GAS & ELECTRIC CO, and others to SOUTHWESTERN ELECTRIC POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP148816 substation located?

TAP148816 is in Arkansas at 35.5971, -94.3526. The datacenter candidate sites closest to it are in Sebastian County, Adair, Sebastian.

Are there datacenter candidate sites near TAP148816 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP148816. The highest-scoring is FORT SMITH at 66/100. Across Arkansas, the average DC Readiness score is 53.6.

More in Arkansas

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, “TAP148816 substation, Arkansas”, https://gridcensus.com/substations/arkansas/tap148816-67ec6484 (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 TAP148816 substation, Arkansas 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.