TAP142175
SubstationMississippi · ENTERGY MISSISSIPPI INC
At a glance
TAP142175 is an electric transmission substation in Mississippi, on ENTERGY MISSISSIPPI INC's transmission network. It is classified as sub-transmission (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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #113812 | 115 kV | ENTERGY MISSISSIPPI INC | IN SERVICE | 8.6 mi |
| #144598 | 115 kV | ENTERGY MISSISSIPPI INC | IN SERVICE | 0.0 mi |
| #149850 | 115 kV | ENTERGY MISSISSIPPI INC | IN SERVICE | 3.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP142175, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN111257 | Substation-Adjacent | MS | Coahoma County | 230 kV | 300 MW | 4.3 yrs | 59.3 |
| INDIANOLA | Substation-Adjacent | MS | Sunflower County | 230 kV | 300 MW | 4.3 yrs | 58.4 |
| UNKNOWN110697 | Substation-Adjacent | MS | Washington County | 230 kV | 300 MW | 4.3 yrs | 58.3 |
| OZ Sunflower | Greenfield | MS | Sunflower | — | — | 4.3 yrs | 58.0 |
| EC Near Third Street | Greenfield | MS | Coahoma | — | — | 4.3 yrs | 57.8 |
| EC Near Third Street | Greenfield | MS | Coahoma | — | — | 4.3 yrs | 56.1 |
| EC Near Delta (MS) | Greenfield | MS | Bolivar | — | — | 4.3 yrs | 55.2 |
| EC Near Delta (MS) | Greenfield | MS | Bolivar | — | — | 4.3 yrs | 55.1 |
Who owns the transmission lines at TAP142175?
The 3 connected lines listed above are owned by ENTERGY MISSISSIPPI INC. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 12.3 miles.
How do candidate sites near TAP142175 score?
The 8 highest-scoring candidate sites within about 25 miles range from 55 to 59 on the 0–100 DC Readiness scale. They fall in Coahoma County, Sunflower County, Washington County, Sunflower. 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 TAP142175 substation?
TAP142175 has a maximum voltage of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP142175 is at the national midpoint.
How many transmission lines connect to TAP142175 substation?
3 transmission lines terminate at or pass through TAP142175 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 12.3 miles.
Who owns TAP142175 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP142175 belong to ENTERGY MISSISSIPPI INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP142175 substation located?
TAP142175 is in Mississippi at 33.8077, -90.8416. The datacenter candidate sites closest to it are in Coahoma County, Sunflower County, Washington County.
Are there datacenter candidate sites near TAP142175 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP142175. The highest-scoring is UNKNOWN111257 at 59/100. 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, “TAP142175 substation, Mississippi”, https://gridcensus.com/substations/mississippi/tap142175-dbab6ba8 (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 TAP142175 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.