TAP204210
SubstationWyoming · PACIFICORP
At a glance
TAP204210 is an electric transmission substation in Wyoming, on PACIFICORP'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 |
|---|---|---|---|---|
| #202215 | 115 kV | PACIFICORP | — | 3.8 mi |
| #202408 | 69 kV | PACIFICORP | — | 12.7 mi |
| #202409 | 69 kV | PACIFICORP | — | 4.9 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP204210, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN201257 | Substation-Adjacent | WY | Hot Springs County | 230 kV | 300 MW | 4.3 yrs | 62.7 |
| UNKNOWN203126 | Substation-Adjacent | WY | Hot Springs County | 230 kV | 300 MW | 3.5 yrs | 61.6 |
| THERMOPOLIS | Substation-Adjacent | WY | Hot Springs County | 230 kV | 300 MW | 3.5 yrs | 60.4 |
| GRASS CREEK | Substation-Adjacent | WY | Hot Springs County | 230 kV | 300 MW | 3.5 yrs | 59.2 |
| EC Coal Fremont County | Greenfield | WY | Fremont County | — | — | 4.3 yrs | 58.2 |
| EC Coal Hot Springs County | Greenfield | WY | Hot Springs County | — | — | 3.5 yrs | 57.4 |
| TAP208631 | Substation-Adjacent | WY | Hot Springs County | 115 kV | 100 MW | 3.5 yrs | 56.0 |
| TAP204210 | Substation-Adjacent | WY | Hot Springs County | 115 kV | 100 MW | 3.5 yrs | 55.9 |
Who owns the transmission lines at TAP204210?
The 3 connected lines listed above are owned by PACIFICORP. Line voltages range from 69 kV to 115 kV. Their combined recorded length is about 21.5 miles.
How do candidate sites near TAP204210 score?
The 8 highest-scoring candidate sites within about 25 miles range from 56 to 63 on the 0–100 DC Readiness scale. They fall in Hot Springs County, Fremont 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 TAP204210 substation?
TAP204210 has a maximum voltage of 115 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 TAP204210 is at the national midpoint.
How many transmission lines connect to TAP204210 substation?
3 transmission lines terminate at or pass through TAP204210 in the HIFLD line data. The connected lines listed here run at 115 kV, 69 kV. Together the listed lines cover about 21.5 miles.
Who owns TAP204210 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP204210 belong to PACIFICORP. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP204210 substation located?
TAP204210 is in Wyoming at 43.6933, -108.2677. The datacenter candidate sites closest to it are in Hot Springs County, Fremont County.
Are there datacenter candidate sites near TAP204210 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP204210. The highest-scoring is UNKNOWN201257 at 63/100. 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, “TAP204210 substation, Wyoming”, https://gridcensus.com/substations/wyoming/tap204210-4d7f64e2 (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 TAP204210 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.