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Gridcensus

TAP146810

Substation

North Carolina · PROGRESS ENERGY CAROLINAS INC

Max voltage
115
kV

At a glance

TAP146810 is a 115 kV electric substation in North Carolina on PROGRESS ENERGY CAROLINAS INC's transmission network, recorded in the HIFLD transmission dataset. 3 transmission lines connect to it. The highest-scoring datacenter candidate site within about 25 miles is UNKNOWN122411 in Marlboro County, with a DC Readiness score of 62/100.

TAP146810 is an electric transmission substation in North Carolina, on PROGRESS ENERGY CAROLINAS 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

Max voltage115 kV
Min voltage115 kV
Voltage classSub-transmission (115 kV)
Connected lines3

Ownership

Line owner (most lines)PROGRESS ENERGY CAROLINAS INC
Coordinates34.6729, -79.1984

Connected transmission lines

Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.

Line IDVoltageOwnerStatusLength
#139204115 kVPROGRESS ENERGY CAROLINAS INCIN SERVICE2.2 mi
#144597115 kVPROGRESS ENERGY CAROLINAS INCIN SERVICE0.0 mi
#179614115 kVDUKE ENERGY PROGRESS - (NC)IN SERVICE9.0 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP146810, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP146810 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
UNKNOWN122411Substation-AdjacentSCMarlboro County230 kV300 MW3.9 yrs62.2
TAP148344Substation-AdjacentSCMarlboro County230 kV300 MW3.9 yrs62.2
FAYETTEVILLESubstation-AdjacentNCCumberland County230 kV300 MW5.3 yrs61.8
UNKNOWN114104Substation-AdjacentNCCumberland County230 kV300 MW5.3 yrs61.7
TAP147222Substation-AdjacentNCHoke County230 kV300 MW5.3 yrs61.7
RAEFORDSubstation-AdjacentNCHoke County230 kV300 MW5.3 yrs61.7
TAP147226Substation-AdjacentNCCumberland County230 kV300 MW5.3 yrs61.6
TAP147254Substation-AdjacentNCRobeson County230 kV300 MW5.3 yrs61.6

Who owns the transmission lines at TAP146810?

The 3 connected lines listed above are owned by PROGRESS ENERGY CAROLINAS INC, DUKE ENERGY PROGRESS - (NC). Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 11.2 miles.

How do candidate sites near TAP146810 score?

The 8 highest-scoring candidate sites within about 25 miles range from 62 to 62 on the 0–100 DC Readiness scale. They fall in Marlboro County, Cumberland County, Hoke County, Robeson 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

What voltage is TAP146810 substation?

TAP146810 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 TAP146810 is at the national midpoint.

How many transmission lines connect to TAP146810 substation?

3 transmission lines terminate at or pass through TAP146810 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 11.2 miles.

Who owns TAP146810 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP146810 belong to PROGRESS ENERGY CAROLINAS INC, and others to DUKE ENERGY PROGRESS - (NC). GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP146810 substation located?

TAP146810 is in North Carolina at 34.6729, -79.1984. The datacenter candidate sites closest to it are in Marlboro County, Cumberland County, Hoke County.

Are there datacenter candidate sites near TAP146810 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP146810. The highest-scoring is UNKNOWN122411 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, “TAP146810 substation, North Carolina”, https://gridcensus.com/substations/north-carolina/tap146810-5bdef7de (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 TAP146810 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.