TAP204376
SubstationWyoming · POWDER RIVER ENERGY CORPORATION
At a glance
TAP204376 is an electric transmission substation in Wyoming, on POWDER RIVER ENERGY CORPORATION'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
Ownership
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #202524 | 69 kV | POWDER RIVER ENERGY CORPORATION | — | 9.2 mi |
| #202639 | 69 kV | POWDER RIVER ENERGY CORPORATION | — | 7.5 mi |
| #202640 | 69 kV | POWDER RIVER ENERGY CORPORATION | — | 0.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP204376, 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 |
|---|---|---|---|---|---|---|---|
| EC Coal Campbell County | Greenfield | WY | Campbell County | — | — | 4.3 yrs | 60.7 |
| UNKNOWN201474 | Substation-Adjacent | WY | Campbell County | 230 kV | 300 MW | 4.3 yrs | 60.3 |
| EC Coal Campbell County | Greenfield | WY | Campbell County | — | — | 4.3 yrs | 58.4 |
| CLAIM JUMPER | Substation-Adjacent | WY | Natrona County | 230 kV | 300 MW | 3.5 yrs | 56.5 |
| MIDWEST | Substation-Adjacent | WY | Natrona County | 230 kV | 300 MW | 3.5 yrs | 56.5 |
| UNKNOWN204282 | Substation-Adjacent | WY | Johnson County | 230 kV | 300 MW | 3.5 yrs | 53.8 |
| UNKNOWN204284 | Substation-Adjacent | WY | Johnson County | 230 kV | 300 MW | 3.5 yrs | 53.8 |
| Mine Site | Former Mine | WY | Campbell County | — | — | 4.3 yrs | 52.5 |
Who owns the transmission lines at TAP204376?
The 3 connected lines listed above are owned by POWDER RIVER ENERGY CORPORATION. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 16.8 miles.
How do candidate sites near TAP204376 score?
The 8 highest-scoring candidate sites within about 25 miles range from 53 to 61 on the 0–100 DC Readiness scale. They fall in Campbell County, Natrona County, Johnson County. 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 TAP204376 substation?
TAP204376 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 TAP204376 is below the national midpoint.
How many transmission lines connect to TAP204376 substation?
3 transmission lines terminate at or pass through TAP204376 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 16.8 miles.
Who owns TAP204376 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP204376 belong to POWDER RIVER ENERGY CORPORATION. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP204376 substation located?
TAP204376 is in Wyoming at 43.7641, -105.9601. The datacenter candidate sites closest to it are in Campbell County, Natrona County, Johnson County.
Are there datacenter candidate sites near TAP204376 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP204376. The highest-scoring is EC Coal Campbell County at 61/100. 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, “TAP204376 substation, Wyoming”, https://gridcensus.com/substations/wyoming/tap204376-73bf0efd (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 TAP204376 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.