TAP204644
SubstationWyoming · PACIFICORP
At a glance
TAP204644 is an electric transmission substation in Wyoming, on PACIFICORP's transmission network. It is classified as sub-transmission (138 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 |
|---|---|---|---|---|
| #202404 | 138 kV | PACIFICORP | — | 4.5 mi |
| #202406 | 138 kV | PACIFICORP | — | 6.6 mi |
| #202405 | 69 kV | CITY OF CODY | — | 2.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP204644, 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 |
| UNKNOWN201267 | Substation-Adjacent | WY | Park County | 138 kV | 100 MW | 3.5 yrs | 55.1 |
| UNKNOWN206540 | Substation-Adjacent | WY | Carbon County | 115 kV | 100 MW | 4.3 yrs | 55.1 |
Who owns the transmission lines at TAP204644?
The 3 connected lines listed above are owned by PACIFICORP, CITY OF CODY. Line voltages range from 69 kV to 138 kV. Their combined recorded length is about 13.1 miles.
How do candidate sites near TAP204644 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 TAP204644 substation?
TAP204644 has a maximum voltage of 138 kV and a minimum of 69 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP204644 is above the national midpoint.
How many transmission lines connect to TAP204644 substation?
3 transmission lines terminate at or pass through TAP204644 in the HIFLD line data. The connected lines listed here run at 138 kV, 69 kV. Together the listed lines cover about 13.1 miles.
Who owns TAP204644 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP204644 belong to PACIFICORP, and others to CITY OF CODY. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP204644 substation located?
TAP204644 is in Wyoming at 44.4852, -109.0539. The datacenter candidate sites closest to it are in Park County, Carbon County.
Are there datacenter candidate sites near TAP204644 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP204644. 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, “TAP204644 substation, Wyoming”, https://gridcensus.com/substations/wyoming/tap204644-7ed33d87 (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 TAP204644 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.