TAP205620
SubstationWyoming · CITY OF GILLETTE - (WY)
At a glance
TAP205620 is an electric transmission substation in Wyoming, on CITY OF GILLETTE - (WY)'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 |
|---|---|---|---|---|
| #204588 | 115 kV | CITY OF GILLETTE - (WY) | — | 0.8 mi |
| #204589 | 115 kV | CITY OF GILLETTE - (WY) | — | 1.7 mi |
| #204593 | 115 kV | CITY OF GILLETTE - (WY) | — | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP205620, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN201359 | Substation-Adjacent | WY | Campbell County | 230 kV | 300 MW | 4.3 yrs | 65.1 |
| UNKNOWN204384 | Substation-Adjacent | WY | Campbell County | 230 kV | 300 MW | 4.3 yrs | 64.9 |
| UNKNOWN201476 | Substation-Adjacent | WY | Campbell County | 230 kV | 300 MW | 4.3 yrs | 64.8 |
| EC Near Neil Simpson | Greenfield | WY | Campbell | — | — | 4.3 yrs | 64.5 |
| HUGHES | Substation-Adjacent | WY | Campbell County | 230 kV | 300 MW | 4.3 yrs | 64.1 |
| EC Near Neil Simpson | Greenfield | WY | Campbell | — | — | 4.3 yrs | 64.0 |
| EC Near Neil Simpson | Greenfield | WY | Campbell | — | — | 4.3 yrs | 64.0 |
| EC Near Neil Simpson | Greenfield | WY | Campbell | — | — | 4.3 yrs | 64.0 |
Who owns the transmission lines at TAP205620?
The 3 connected lines listed above are owned by CITY OF GILLETTE - (WY). Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 2.6 miles.
How do candidate sites near TAP205620 score?
The 8 highest-scoring candidate sites within about 25 miles range from 64 to 65 on the 0–100 DC Readiness scale. They fall in Campbell County, Campbell. The Wyoming average across 1,639 scored sites is 52.2. 441 of those Wyoming sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP205620 substation?
TAP205620 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 TAP205620 is at the national midpoint.
How many transmission lines connect to TAP205620 substation?
3 transmission lines terminate at or pass through TAP205620 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 2.6 miles.
Who owns TAP205620 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP205620 belong to CITY OF GILLETTE - (WY). GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP205620 substation located?
TAP205620 is in Wyoming at 44.2857, -105.5189. The datacenter candidate sites closest to it are in Campbell County, Campbell.
Are there datacenter candidate sites near TAP205620 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP205620. The highest-scoring is UNKNOWN201359 at 65/100. Across Wyoming, the average DC Readiness score is 52.2.
More in Wyoming
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, “TAP205620 substation, Wyoming”, https://gridcensus.com/substations/wyoming/tap205620-02eee31b (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 TAP205620 substation, Wyoming 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.