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Gridcensus

TAP172566

Substation

North Carolina · DUKE ENERGY PROGRESS - (NC)

Max voltage
230
kV

At a glance

TAP172566 is a 230 kV electric substation in North Carolina on DUKE ENERGY PROGRESS - (NC)'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 UNKNOWN111467 in Greene County, with a DC Readiness score of 62/100.

TAP172566 is an electric transmission substation in North Carolina, on DUKE ENERGY PROGRESS - (NC)'s transmission network. It is classified as high-voltage (230 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 voltage230 kV
Min voltage230 kV
Voltage classHigh-voltage (230 kV)
Connected lines3

Ownership

Line owner (most lines)DUKE ENERGY PROGRESS - (NC)
Coordinates35.3797, -77.4026

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#167186230 kV—IN SERVICE11.7 mi
#174814230 kVDUKE ENERGY PROGRESS - (NC)IN SERVICE2.9 mi
#174815230 kV—IN SERVICE0.1 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP172566, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP172566 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
UNKNOWN111467Substation-AdjacentNCGreene County230 kV300 MW5.3 yrs61.9
UNKNOWN111965Substation-AdjacentNCLenoir County230 kV300 MW5.3 yrs61.9
WOMMACKSubstation-AdjacentNCLenoir County230 kV300 MW5.3 yrs61.7
230-KV WESTSubstation-AdjacentNCPitt County230 kV300 MW5.3 yrs61.6
TAP172566Substation-AdjacentNCPitt County230 kV300 MW5.3 yrs61.5
TAP169874Substation-AdjacentNCPitt County230 kV300 MW5.3 yrs61.3
NEW BERNSubstation-AdjacentNCCraven County230 kV300 MW5.3 yrs61.0
UNKNOWN111441Substation-AdjacentNCCraven County230 kV300 MW5.3 yrs60.9

Who owns the transmission lines at TAP172566?

The 3 connected lines listed above are owned by DUKE ENERGY PROGRESS - (NC). Line voltages range from 230 kV to 230 kV. Their combined recorded length is about 14.6 miles.

How do candidate sites near TAP172566 score?

The 8 highest-scoring candidate sites within about 25 miles range from 61 to 62 on the 0–100 DC Readiness scale. They fall in Greene County, Lenoir County, Pitt County, Craven 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 TAP172566 substation?

TAP172566 has a maximum voltage of 230 kV. That places it in the 230–344 kV band. The median named US substation in this dataset is 115 kV, so TAP172566 is above the national midpoint.

How many transmission lines connect to TAP172566 substation?

3 transmission lines terminate at or pass through TAP172566 in the HIFLD line data. The connected lines listed here run at 230 kV. Together the listed lines cover about 14.6 miles.

Who owns TAP172566 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP172566 belong to DUKE ENERGY PROGRESS - (NC). GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP172566 substation located?

TAP172566 is in North Carolina at 35.3797, -77.4026. The datacenter candidate sites closest to it are in Greene County, Lenoir County, Pitt County.

Are there datacenter candidate sites near TAP172566 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP172566. The highest-scoring is UNKNOWN111467 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, “TAP172566 substation, North Carolina”, https://gridcensus.com/substations/north-carolina/tap172566-27bfdd00 (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 TAP172566 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.