TAP141966
SubstationMississippi
At a glance
TAP141966 is an electric transmission substation in Mississippi. 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
Ownership
No owner is recorded for the lines that connect here.
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #119029 | 161 kV | — | IN SERVICE | 4.4 mi |
| #147593 | 161 kV | — | IN SERVICE | 18.6 mi |
| #148090 | 161 kV | — | IN SERVICE | 4.9 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP141966, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN109627 | Substation-Adjacent | MS | Webster County | 161 kV | 100 MW | 3.9 yrs | 61.1 |
| EUPORA | Substation-Adjacent | MS | Webster County | 161 kV | 100 MW | 3.9 yrs | 60.3 |
| COFFEEVILLE | Substation-Adjacent | MS | Yalobusha County | 161 kV | 100 MW | 3.9 yrs | 59.0 |
| PONTOTOC | Substation-Adjacent | MS | Pontotoc County | 161 kV | 100 MW | 3.9 yrs | 58.3 |
| TAP169524 | Substation-Adjacent | MS | Yalobusha County | 161 kV | 100 MW | 3.9 yrs | 58.1 |
| MCGREGOR CHAPEL | Substation-Adjacent | MS | Pontotoc County | 161 kV | 100 MW | 3.9 yrs | 58.1 |
| TAP150101 | Substation-Adjacent | MS | Lafayette County | 161 kV | 100 MW | 3.9 yrs | 57.8 |
| HOUSTON | Substation-Adjacent | MS | Chickasaw County | 161 kV | 100 MW | 3.9 yrs | 57.7 |
How do candidate sites near TAP141966 score?
The 8 highest-scoring candidate sites within about 25 miles range from 58 to 61 on the 0–100 DC Readiness scale. They fall in Webster County, Yalobusha County, Pontotoc County, Lafayette County. The Mississippi average across 3,104 scored sites is 53. 694 of those Mississippi sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP141966 substation?
TAP141966 has a maximum voltage of 161 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP141966 is above the national midpoint.
How many transmission lines connect to TAP141966 substation?
3 transmission lines terminate at or pass through TAP141966 in the HIFLD line data. The connected lines listed here run at 161 kV. Together the listed lines cover about 27.8 miles.
Where is TAP141966 substation located?
TAP141966 is in Mississippi at 33.9239, -89.3642. The datacenter candidate sites closest to it are in Webster County, Yalobusha County, Pontotoc County.
Are there datacenter candidate sites near TAP141966 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP141966. The highest-scoring is UNKNOWN109627 at 61/100. Across Mississippi, the average DC Readiness score is 53.
More in Mississippi
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, “TAP141966 substation, Mississippi”, https://gridcensus.com/substations/mississippi/tap141966-c3afc438 (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 TAP141966 substation, Mississippi 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.