TAP154640
SubstationSouth Carolina · DUKE ENERGY CAROLINAS, LLC
At a glance
TAP154640 is an electric transmission substation in South 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 |
|---|---|---|---|---|
| #113177 | — | DUKE ENERGY CAROLINAS, LLC | IN SERVICE | 0.1 mi |
| #133626 | — | DUKE ENERGY CAROLINAS, LLC | IN SERVICE | 3.9 mi |
| #149805 | — | DUKE ENERGY CAROLINAS, LLC | IN SERVICE | 0.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP154640, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN110410 | Substation-Adjacent | SC | Oconee County | 500 kV | 1,000 MW | 3.9 yrs | 66.2 |
| JOCASSEE TIE | Substation-Adjacent | SC | Pickens County | 500 kV | 1,000 MW | 3.9 yrs | 65.1 |
| UNKNOWN152501 | Substation-Adjacent | SC | Transylvania County | 500 kV | 1,000 MW | 3.9 yrs | 64.9 |
| UNKNOWN113984 | Substation-Adjacent | SC | Hart County | 230 kV | 300 MW | 3.9 yrs | 64.8 |
| CENTRAL TIE | Substation-Adjacent | SC | Pickens County | 230 kV | 300 MW | 3.9 yrs | 63.0 |
| UNKNOWN111251 | Substation-Adjacent | GA | Hart County | 230 kV | 300 MW | 5.8 yrs | 61.5 |
| ANDERSON | Substation-Adjacent | SC | Anderson County | 230 kV | 300 MW | 3.9 yrs | 61.4 |
| UNKNOWN154648 | Substation-Adjacent | GA | Hart County | 230 kV | 300 MW | 5.8 yrs | 61.2 |
Who owns the transmission lines at TAP154640?
The 3 connected lines listed above are owned by DUKE ENERGY CAROLINAS, LLC. Their combined recorded length is about 4.3 miles.
How do candidate sites near TAP154640 score?
The 8 highest-scoring candidate sites within about 25 miles range from 61 to 66 on the 0–100 DC Readiness scale. They fall in Oconee County, Pickens County, Transylvania County, Hart County. The South Carolina average across 2,061 scored sites is 57.1. 1,124 of those South Carolina sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to TAP154640 substation?
3 transmission lines terminate at or pass through TAP154640 in the HIFLD line data. Together the listed lines cover about 4.3 miles.
Who owns TAP154640 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP154640 belong to DUKE ENERGY CAROLINAS, LLC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP154640 substation located?
TAP154640 is in South Carolina at 34.6411, -82.9924. The datacenter candidate sites closest to it are in Oconee County, Pickens County, Transylvania County.
Are there datacenter candidate sites near TAP154640 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP154640. The highest-scoring is UNKNOWN110410 at 66/100. Across South Carolina, the average DC Readiness score is 57.1.
More in South 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, “TAP154640 substation, South Carolina”, https://gridcensus.com/substations/south-carolina/tap154640-6d674d40 (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 TAP154640 substation, South 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.