TAP147990
SubstationNorth Carolina
At a glance
TAP147990 is an electric transmission substation in North Carolina. 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
Ownership & operation
Operator not catalogued for this substation.
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #115847 | 115 kV | — | IN SERVICE | 5.2 mi |
| #120289 | 115 kV | — | IN SERVICE | 0.1 mi |
| #171556 | 115 kV | — | IN SERVICE | 0.9 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP147990, 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 |
|---|---|---|---|---|---|---|---|
| WAKE | Substation-Adjacent | NC | Wake County | 500 kV | 1,000 MW | 5.3 yrs | 70.2 |
| TAP147409 | Substation-Adjacent | NC | Wake County | 230 kV | 300 MW | 5.3 yrs | 67.4 |
| UNKNOWN160766 | Substation-Adjacent | NC | Wake County | 230 kV | 300 MW | 5.3 yrs | 67.4 |
| TAP147176 | Substation-Adjacent | NC | Wake County | 230 kV | 300 MW | 5.3 yrs | 67.3 |
| TAP160803 | Substation-Adjacent | NC | Wake County | 230 kV | 300 MW | 5.3 yrs | 67.3 |
| UNKNOWN115453 | Substation-Adjacent | NC | Wake County | 230 kV | 300 MW | 5.3 yrs | 67.3 |
| UNKNOWN115457 | Substation-Adjacent | NC | Wake County | 230 kV | 300 MW | 5.3 yrs | 67.3 |
| UNKNOWN115254 | Substation-Adjacent | NC | Wake County | 230 kV | 300 MW | 5.3 yrs | 67.2 |
How do candidate sites near TAP147990 score?
The 8 highest-scoring candidate sites within about 25 miles range from 67 to 70 on the 0–100 DC Readiness scale. They fall in Wake 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 TAP147990 substation?
TAP147990 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 TAP147990 is at the national midpoint.
How many transmission lines connect to TAP147990 substation?
3 transmission lines terminate at or pass through TAP147990 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 6.1 miles.
Where is TAP147990 substation located?
TAP147990 is in North Carolina at 35.5665, -78.3443. The datacenter candidate sites closest to it are in Wake County.
Are there datacenter candidate sites near TAP147990 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP147990. The highest-scoring is WAKE at 70/100. 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, “TAP147990 substation, North Carolina”, https://gridcensus.com/substations/north-carolina/tap147990-760a51c1 (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 TAP147990 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.