TAP208840
SubstationUtah · PACIFICORP
At a glance
TAP208840 is an electric transmission substation in Utah, 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 |
|---|---|---|---|---|
| #210820 | 128 kV | PACIFICORP | — | 11.5 mi |
| #210838 | 128 kV | PACIFICORP | — | 0.1 mi |
| #210839 | 128 kV | PACIFICORP | — | 0.6 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP208840, 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 |
|---|---|---|---|---|---|---|---|
| INTERMOUNTAIN | Substation-Adjacent | UT | Juab County | 500 kV | 1,000 MW | 3.5 yrs | 62.7 |
| PAVANT | Substation-Adjacent | UT | Sevier County | 230 kV | 300 MW | 3.5 yrs | 57.4 |
| UNKNOWN206223 | Substation-Adjacent | UT | Millard County | 230 kV | 300 MW | 3.5 yrs | 56.4 |
| Greenfield (INTERMOUNTAIN - ADELANTO) | Greenfield | UT | Juab County | 500 kV | 1,000 MW | 3.5 yrs | 55.5 |
| Greenfield (INTERMOUNTAIN - ADELANTO) | Greenfield | UT | Juab County | 500 kV | 1,000 MW | 3.5 yrs | 54.9 |
| Greenfield (INTERMOUNTAIN - ADELANTO) | Greenfield | UT | Juab County | 500 kV | 1,000 MW | 3.5 yrs | 54.6 |
| Greenfield (INTERMOUNTAIN - ADELANTO) | Greenfield | UT | Juab County | 500 kV | 1,000 MW | 3.5 yrs | 54.5 |
| UNKNOWN205953 | Substation-Adjacent | UT | Juab County | 138 kV | 100 MW | 3.5 yrs | 54.4 |
Who owns the transmission lines at TAP208840?
The 3 connected lines listed above are owned by PACIFICORP. Line voltages range from 128 kV to 128 kV. Their combined recorded length is about 12.2 miles.
How do candidate sites near TAP208840 score?
The 8 highest-scoring candidate sites within about 25 miles range from 54 to 63 on the 0–100 DC Readiness scale. They fall in Juab County, Sevier County, Millard County. The Utah average across 2,458 scored sites is 51.7. 739 of those Utah sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP208840 substation?
TAP208840 has a maximum voltage of 128 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP208840 is above the national midpoint.
How many transmission lines connect to TAP208840 substation?
3 transmission lines terminate at or pass through TAP208840 in the HIFLD line data. The connected lines listed here run at 128 kV. Together the listed lines cover about 12.2 miles.
Who owns TAP208840 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP208840 belong to PACIFICORP. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP208840 substation located?
TAP208840 is in Utah at 39.4904, -112.5641. The datacenter candidate sites closest to it are in Juab County, Sevier County, Millard County.
Are there datacenter candidate sites near TAP208840 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP208840. The highest-scoring is INTERMOUNTAIN at 63/100. Across Utah, the average DC Readiness score is 51.7.
More in Utah
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, “TAP208840 substation, Utah”, https://gridcensus.com/substations/utah/tap208840-f95213d8 (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 TAP208840 substation, Utah 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.