TAP148446
SubstationNorth Carolina · PROGRESS ENERGY CAROLINAS INC
At a glance
TAP148446 is an electric transmission substation in North Carolina, on PROGRESS ENERGY CAROLINAS INC's transmission network. It is classified as unclassified 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 |
|---|---|---|---|---|
| #102088 | — | PROGRESS ENERGY CAROLINAS INC | IN SERVICE | 0.1 mi |
| #123009 | — | PROGRESS ENERGY CAROLINAS INC | IN SERVICE | 3.7 mi |
| #137329 | — | PROGRESS ENERGY CAROLINAS INC | IN SERVICE | 2.8 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP148446, 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 |
|---|---|---|---|---|---|---|---|
| CLINTON | Substation-Adjacent | NC | Sampson County | 230 kV | 300 MW | 5.3 yrs | 61.7 |
| WALLACE | Substation-Adjacent | NC | Duplin County | 230 kV | 300 MW | 5.3 yrs | 60.2 |
| UNKNOWN112353 | Substation-Adjacent | NC | Bladen County | 230 kV | 300 MW | 5.3 yrs | 60.2 |
| TAP158332 | Substation-Adjacent | NC | Bladen County | 230 kV | 300 MW | 5.3 yrs | 59.7 |
| UNKNOWN112232 | Substation-Adjacent | NC | Pender County | 230 kV | 300 MW | 5.3 yrs | 59.7 |
| TAP148362 | Substation-Adjacent | NC | Pender County | 230 kV | 300 MW | 5.3 yrs | 59.2 |
| UNKNOWN112231 | Substation-Adjacent | NC | Pender County | 230 kV | 300 MW | 5.3 yrs | 59.1 |
| TAP169855 | Substation-Adjacent | NC | Onslow County | 230 kV | 300 MW | 5.3 yrs | 58.6 |
Who owns the transmission lines at TAP148446?
The 3 connected lines listed above are owned by PROGRESS ENERGY CAROLINAS INC. Their combined recorded length is about 6.6 miles.
How do candidate sites near TAP148446 score?
The 8 highest-scoring candidate sites within about 25 miles range from 59 to 62 on the 0–100 DC Readiness scale. They fall in Sampson County, Duplin County, Bladen County, Pender County. The North Carolina average across 2,778 scored sites is 55.1. 1,087 of those North Carolina sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to TAP148446 substation?
3 transmission lines terminate at or pass through TAP148446 in the HIFLD line data. Together the listed lines cover about 6.6 miles.
Who owns TAP148446 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP148446 belong to PROGRESS ENERGY CAROLINAS INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP148446 substation located?
TAP148446 is in North Carolina at 34.7698, -77.9574. The datacenter candidate sites closest to it are in Sampson County, Duplin County, Bladen County.
Are there datacenter candidate sites near TAP148446 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP148446. The highest-scoring is CLINTON at 62/100. Across North Carolina, the average DC Readiness score is 55.1.
More in North Carolina
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, “TAP148446 substation, North Carolina”, https://gridcensus.com/substations/north-carolina/tap148446-345c06a8 (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 TAP148446 substation, North Carolina 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.