TAP204397
SubstationWyoming · PACIFICORP
At a glance
TAP204397 is an electric transmission substation in Wyoming, on PACIFICORP'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 |
|---|---|---|---|---|
| #202688 | 69 kV | PACIFICORP | — | 5.7 mi |
| #202689 | 69 kV | PACIFICORP | — | 0.2 mi |
| #202690 | 69 kV | PACIFICORP | — | 4.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP204397, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN202897 | Substation-Adjacent | WY | Park County | 230 kV | 300 MW | 3.5 yrs | 58.5 |
| OREGON BASIN | Substation-Adjacent | WY | Park County | 230 kV | 300 MW | 3.5 yrs | 58.4 |
| UNKNOWN204589 | Substation-Adjacent | WY | Park County | 115 kV | 100 MW | 4.3 yrs | 56.2 |
| EC Coal Park County | Greenfield | WY | Park County | — | — | 3.5 yrs | 55.5 |
| UNKNOWN203115 | Substation-Adjacent | WY | Carbon County | 138 kV | 100 MW | 4.3 yrs | 55.5 |
| UNKNOWN203114 | Substation-Adjacent | WY | Park County | 138 kV | 100 MW | 3.5 yrs | 55.4 |
| UNKNOWN203113 | Substation-Adjacent | WY | Carbon County | 115 kV | 100 MW | 4.3 yrs | 55.2 |
| UNKNOWN201267 | Substation-Adjacent | WY | Park County | 138 kV | 100 MW | 3.5 yrs | 55.1 |
Who owns the transmission lines at TAP204397?
The 3 connected lines listed above are owned by PACIFICORP. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 10.1 miles.
How do candidate sites near TAP204397 score?
The 8 highest-scoring candidate sites within about 25 miles range from 55 to 59 on the 0–100 DC Readiness scale. They fall in Park County, Carbon 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 TAP204397 substation?
TAP204397 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 TAP204397 is below the national midpoint.
How many transmission lines connect to TAP204397 substation?
3 transmission lines terminate at or pass through TAP204397 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 10.1 miles.
Who owns TAP204397 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP204397 belong to PACIFICORP. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP204397 substation located?
TAP204397 is in Wyoming at 44.3996, -109.0048. The datacenter candidate sites closest to it are in Park County, Carbon County.
Are there datacenter candidate sites near TAP204397 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP204397. The highest-scoring is UNKNOWN202897 at 59/100. 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, “TAP204397 substation, Wyoming”, https://gridcensus.com/substations/wyoming/tap204397-3db9d7b6 (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 TAP204397 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.