TAP148989
SubstationOklahoma · PUBLIC SERVICE CO OF OKLAHOMA
At a glance
TAP148989 is an electric transmission substation in Oklahoma, on PUBLIC SERVICE CO OF OKLAHOMA'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
Ownership
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #119667 | 69 kV | PUBLIC SERVICE CO OF OKLAHOMA | IN SERVICE | 13.2 mi |
| #124198 | 69 kV | PUBLIC SERVICE CO OF OKLAHOMA | IN SERVICE | 1.1 mi |
| #125267 | 69 kV | PUBLIC SERVICE CO OF OKLAHOMA | IN SERVICE | 5.8 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP148989, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| EC FFE Clay County | Greenfield | TX | Clay County | — | — | 3.5 yrs | 64.0 |
| UNKNOWN173361 | Substation-Adjacent | OK | Stephens County | 345 kV | 600 MW | 4.3 yrs | 61.7 |
| UNKNOWN307511 | Substation-Adjacent | TX | Clay County | 138 kV | 100 MW | 3.5 yrs | 58.9 |
| EC FFE Cotton County | Greenfield | OK | Cotton County | — | — | 4.3 yrs | 57.8 |
| COMANCHE | Substation-Adjacent | OK | Comanche County | 138 kV | 100 MW | 4.3 yrs | 56.7 |
| UNKNOWN310010 | Substation-Adjacent | TX | Clay County | 69 kV | 50 MW | 3.5 yrs | 56.3 |
| UNKNOWN168627 | Substation-Adjacent | OK | Stephens County | 138 kV | 100 MW | 4.3 yrs | 56.1 |
| UNKNOWN119075 | Substation-Adjacent | OK | Stephens County | 138 kV | 100 MW | 4.3 yrs | 56.0 |
Who owns the transmission lines at TAP148989?
The 3 connected lines listed above are owned by PUBLIC SERVICE CO OF OKLAHOMA. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 20.2 miles.
How do candidate sites near TAP148989 score?
The 8 highest-scoring candidate sites within about 25 miles range from 56 to 64 on the 0–100 DC Readiness scale. They fall in Clay County, Stephens County, Cotton County, Comanche County. 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 TAP148989 substation?
TAP148989 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 TAP148989 is below the national midpoint.
How many transmission lines connect to TAP148989 substation?
3 transmission lines terminate at or pass through TAP148989 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 20.2 miles.
Who owns TAP148989 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP148989 belong to PUBLIC SERVICE CO OF OKLAHOMA. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP148989 substation located?
TAP148989 is in Oklahoma at 34.1655, -97.9809. The datacenter candidate sites closest to it are in Clay County, Stephens County, Cotton County.
Are there datacenter candidate sites near TAP148989 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP148989. The highest-scoring is EC FFE Clay County at 64/100. 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, “TAP148989 substation, Oklahoma”, https://gridcensus.com/substations/oklahoma/tap148989-ab53fba3 (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 TAP148989 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.