TAP207588
SubstationWyoming · PACIFICORP
At a glance
TAP207588 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #209637 | 138 kV | PACIFICORP | — | 9.6 mi |
| #209638 | 138 kV | PACIFICORP | — | 3.0 mi |
| #209639 | 138 kV | PACIFICORP | — | 6.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP207588, 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 |
|---|---|---|---|---|---|---|---|
| Dave Johnston Mine / Rolling Hills | Brownfield | WY | Converse | 115 kV | 119 MW | 3.5 yrs | 64.2 |
| EC Coal Converse County | Greenfield | WY | Converse County | — | — | 3.5 yrs | 61.7 |
| EC Coal Converse County | Greenfield | WY | Converse County | — | — | 3.5 yrs | 61.6 |
| LATIGO | Substation-Adjacent | WY | Converse County | 230 kV | 300 MW | 3.5 yrs | 61.0 |
| TAP208905 | Substation-Adjacent | WY | Converse County | 230 kV | 300 MW | 3.5 yrs | 60.7 |
| WINDSTAR | Substation-Adjacent | WY | Converse County | 230 kV | 300 MW | 3.5 yrs | 60.7 |
| UNKNOWN201361 | Substation-Adjacent | WY | Converse County | 230 kV | 300 MW | 3.5 yrs | 60.7 |
| UNKNOWN201486 | Substation-Adjacent | WY | Converse County | 230 kV | 300 MW | 3.5 yrs | 60.3 |
Who owns the transmission lines at TAP207588?
The 3 connected lines listed above are owned by PACIFICORP. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 18.7 miles.
How do candidate sites near TAP207588 score?
The 8 highest-scoring candidate sites within about 25 miles range from 60 to 64 on the 0–100 DC Readiness scale. They fall in Converse, Converse 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 TAP207588 substation?
TAP207588 has a maximum voltage of 138 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP207588 is above the national midpoint.
How many transmission lines connect to TAP207588 substation?
3 transmission lines terminate at or pass through TAP207588 in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 18.7 miles.
Who owns TAP207588 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP207588 belong to PACIFICORP. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP207588 substation located?
TAP207588 is in Wyoming at 42.7945, -105.6138. The datacenter candidate sites closest to it are in Converse, Converse County.
Are there datacenter candidate sites near TAP207588 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP207588. The highest-scoring is Dave Johnston Mine / Rolling Hills at 64/100. 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, “TAP207588 substation, Wyoming”, https://gridcensus.com/substations/wyoming/tap207588-5188ff1b (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 TAP207588 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.