TAP155940
SubstationGeorgia · GEORGIA POWER CO
At a glance
TAP155940 is an electric transmission substation in Georgia, on GEORGIA POWER CO'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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #156209 | 115 kV | GEORGIA POWER CO | IN SERVICE | 3.8 mi |
| #156210 | 115 kV | GEORGIA POWER CO | IN SERVICE | 0.1 mi |
| #157962 | 115 kV | GEORGIA POWER CO | IN SERVICE | 17.8 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP155940, 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 |
|---|---|---|---|---|---|---|---|
| RACCOON MOUNTAIN | Substation-Adjacent | TN | Hamilton County | 500 kV | 1,000 MW | 3.9 yrs | 72.0 |
| UNKNOWN115420 | Substation-Adjacent | TN | Hamilton County | 500 kV | 1,000 MW | 3.9 yrs | 69.9 |
| TAP155407 | Substation-Adjacent | TN | Bradley County | 500 kV | 1,000 MW | 3.9 yrs | 69.6 |
| OZ Hamilton | Greenfield | TN | Hamilton | — | — | 3.9 yrs | 67.8 |
| OZ Hamilton | Greenfield | TN | Hamilton | — | — | 3.9 yrs | 67.3 |
| OZ Hamilton | Greenfield | TN | Hamilton | — | — | 3.9 yrs | 67.1 |
| Volkswagen Chattanooga | Brownfield | TN | Hamilton | 161 kV | 10 MW | 3.9 yrs | 67.0 |
| CONCORD | Substation-Adjacent | TN | Catoosa County | 230 kV | 300 MW | 3.9 yrs | 65.6 |
Who owns the transmission lines at TAP155940?
The 3 connected lines listed above are owned by GEORGIA POWER CO. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 21.7 miles.
How do candidate sites near TAP155940 score?
The 8 highest-scoring candidate sites within about 25 miles range from 66 to 72 on the 0–100 DC Readiness scale. They fall in Hamilton County, Bradley County, Hamilton, Catoosa County. The Georgia average across 2,478 scored sites is 57.1. 1,530 of those Georgia sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP155940 substation?
TAP155940 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 TAP155940 is at the national midpoint.
How many transmission lines connect to TAP155940 substation?
3 transmission lines terminate at or pass through TAP155940 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 21.7 miles.
Who owns TAP155940 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP155940 belong to GEORGIA POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP155940 substation located?
TAP155940 is in Georgia at 34.9027, -85.0779. The datacenter candidate sites closest to it are in Hamilton County, Bradley County, Hamilton.
Are there datacenter candidate sites near TAP155940 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP155940. The highest-scoring is RACCOON MOUNTAIN at 72/100. Across Georgia, the average DC Readiness score is 57.1.
More in Georgia
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, “TAP155940 substation, Georgia”, https://gridcensus.com/substations/georgia/tap155940-aa7f5739 (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 TAP155940 substation, Georgia 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.