TAP166937
SubstationNorth Carolina · DUKE ENERGY CAROLINAS, LLC
At a glance
TAP166937 is an electric transmission substation in North Carolina, on DUKE ENERGY CAROLINAS, LLC'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 |
|---|---|---|---|---|
| #141990 | — | DUKE ENERGY CAROLINAS, LLC | IN SERVICE | 13.2 mi |
| #166947 | — | DUKE ENERGY CAROLINAS, LLC | IN SERVICE | 0.6 mi |
| #166948 | — | DUKE ENERGY CAROLINAS, LLC | IN SERVICE | 0.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP166937, 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 |
|---|---|---|---|---|---|---|---|
| ANTIOCH | Substation-Adjacent | NC | Wilkes County | 500 kV | 1,000 MW | 5.3 yrs | 66.0 |
| UNKNOWN110742 | Substation-Adjacent | NC | Wilkes County | 230 kV | 300 MW | 5.3 yrs | 62.6 |
| MITCHELL RIVER | Substation-Adjacent | NC | Yadkin County | 230 kV | 300 MW | 5.3 yrs | 62.3 |
| OZ Galax | Greenfield | VA | Galax | — | — | 5.1 yrs | 58.4 |
| UNKNOWN111290 | Substation-Adjacent | NC | Davie County | 100 kV | 50 MW | 5.3 yrs | 57.6 |
| TAP150346 | Substation-Adjacent | NC | Davie County | 100 kV | 50 MW | 5.3 yrs | 57.6 |
| UNKNOWN110751 | Substation-Adjacent | NC | Wilkes County | 100 kV | 50 MW | 5.3 yrs | 57.0 |
| UNKNOWN110755 | Substation-Adjacent | NC | Wilkes County | 100 kV | 50 MW | 5.3 yrs | 56.9 |
Who owns the transmission lines at TAP166937?
The 3 connected lines listed above are owned by DUKE ENERGY CAROLINAS, LLC. Their combined recorded length is about 13.9 miles.
How do candidate sites near TAP166937 score?
The 8 highest-scoring candidate sites within about 25 miles range from 57 to 66 on the 0–100 DC Readiness scale. They fall in Wilkes County, Yadkin County, Galax, Davie 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 TAP166937 substation?
3 transmission lines terminate at or pass through TAP166937 in the HIFLD line data. Together the listed lines cover about 13.9 miles.
Who owns TAP166937 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP166937 belong to DUKE ENERGY CAROLINAS, LLC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP166937 substation located?
TAP166937 is in North Carolina at 36.2623, -80.7853. The datacenter candidate sites closest to it are in Wilkes County, Yadkin County, Galax.
Are there datacenter candidate sites near TAP166937 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP166937. The highest-scoring is ANTIOCH at 66/100. 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, “TAP166937 substation, North Carolina”, https://gridcensus.com/substations/north-carolina/tap166937-1db2767b (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 TAP166937 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.