TAP209399
SubstationWyoming · HIGH WEST ENERGY, INC
At a glance
TAP209399 is an electric transmission substation in Wyoming, on HIGH WEST ENERGY, INC's transmission network. It is classified as distribution (69–115 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 |
|---|---|---|---|---|
| #211592 | 69 kV | HIGH WEST ENERGY, INC | — | 6.0 mi |
| #211593 | 69 kV | HIGH WEST ENERGY, INC | — | 8.1 mi |
| #211594 | 69 kV | HIGH WEST ENERGY, INC | — | 4.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP209399, 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 |
|---|---|---|---|---|---|---|---|
| ARCHER | Substation-Adjacent | WY | Laramie County | 230 kV | 300 MW | 4.3 yrs | 65.7 |
| EC Near Cheyenne Prairie Generating Station | Greenfield | WY | Laramie | — | — | 4.3 yrs | 64.3 |
| UNKNOWN204232 | Substation-Adjacent | WY | Laramie County | 230 kV | 300 MW | 4.3 yrs | 64.3 |
| EC Near Cheyenne Prairie Generating Station | Greenfield | WY | Laramie | — | — | 4.3 yrs | 63.0 |
| UNKNOWN206587 | Substation-Adjacent | WY | Laramie County | 138 kV | 100 MW | 4.3 yrs | 62.7 |
| EC Near Cheyenne Prairie Generating Station | Greenfield | WY | Laramie | — | — | 4.3 yrs | 62.4 |
| UNKNOWN202526 | Substation-Adjacent | WY | Laramie County | 230 kV | 300 MW | 4.3 yrs | 61.5 |
| UNKNOWN209396 | Substation-Adjacent | WY | Laramie County | 69 kV | 50 MW | 4.3 yrs | 59.0 |
Who owns the transmission lines at TAP209399?
The 3 connected lines listed above are owned by HIGH WEST ENERGY, INC. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 18.4 miles.
How do candidate sites near TAP209399 score?
The 8 highest-scoring candidate sites within about 25 miles range from 59 to 66 on the 0–100 DC Readiness scale. They fall in Laramie County, Laramie. 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 TAP209399 substation?
TAP209399 has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so TAP209399 is below the national midpoint.
How many transmission lines connect to TAP209399 substation?
3 transmission lines terminate at or pass through TAP209399 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 18.4 miles.
Who owns TAP209399 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP209399 belong to HIGH WEST ENERGY, INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP209399 substation located?
TAP209399 is in Wyoming at 41.0858, -104.2932. The datacenter candidate sites closest to it are in Laramie County, Laramie.
Are there datacenter candidate sites near TAP209399 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP209399. The highest-scoring is ARCHER at 66/100. 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, “TAP209399 substation, Wyoming”, https://gridcensus.com/substations/wyoming/tap209399-0e39de4b (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 TAP209399 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.