TAP207694
SubstationIdaho · LOST RIVER ELECTRIC COOP INC
At a glance
TAP207694 is an electric transmission substation in Idaho, on LOST RIVER ELECTRIC COOP INC'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
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 |
|---|---|---|---|---|
| #209042 | 115 kV | LOST RIVER ELECTRIC COOP INC | — | 0.0 mi |
| #209043 | 115 kV | LOST RIVER ELECTRIC COOP INC | — | 0.0 mi |
| #209044 | 115 kV | SALMON RIVER ELECTRIC COOP INC | — | 46.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP207694, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN205298 | Substation-Adjacent | ID | Butte County | 230 kV | 300 MW | 5.0 yrs | 59.4 |
| LOST RIVER | Substation-Adjacent | ID | Butte County | 230 kV | 300 MW | 5.0 yrs | 58.6 |
| TAP207694 | Substation-Adjacent | ID | Butte County | 115 kV | 100 MW | 5.0 yrs | 51.3 |
| TAP204805 | Substation-Adjacent | ID | Butte County | 69 kV | 50 MW | 5.0 yrs | 50.0 |
| Mine Site | Former Mine | ID | Butte County | — | — | 5.0 yrs | 48.9 |
| UMATILLA BASIN PROJECT | Federal Excess | ID | Butte County | — | — | 5.0 yrs | 48.1 |
| Mine Site | Former Mine | ID | Custer County | — | — | 5.0 yrs | 47.5 |
| CHALLIS NATIONAL FOREST | Federal Excess | ID | Custer County | — | — | 5.0 yrs | 46.6 |
Who owns the transmission lines at TAP207694?
The 3 connected lines listed above are owned by LOST RIVER ELECTRIC COOP INC, SALMON RIVER ELECTRIC COOP INC. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 46.3 miles.
How do candidate sites near TAP207694 score?
The 8 highest-scoring candidate sites within about 25 miles range from 47 to 59 on the 0–100 DC Readiness scale. They fall in Butte County, Custer County. The Idaho average across 2,171 scored sites is 51.7. 646 of those Idaho sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP207694 substation?
TAP207694 has a maximum voltage of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP207694 is at the national midpoint.
How many transmission lines connect to TAP207694 substation?
3 transmission lines terminate at or pass through TAP207694 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 46.3 miles.
Who owns TAP207694 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP207694 belong to LOST RIVER ELECTRIC COOP INC, and others to SALMON RIVER ELECTRIC COOP INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP207694 substation located?
TAP207694 is in Idaho at 43.9197, -113.6075. The datacenter candidate sites closest to it are in Butte County, Custer County.
Are there datacenter candidate sites near TAP207694 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP207694. The highest-scoring is UNKNOWN205298 at 59/100. Across Idaho, the average DC Readiness score is 51.7.
More in Idaho
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, “TAP207694 substation, Idaho”, https://gridcensus.com/substations/idaho/tap207694-0e5fa180 (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 TAP207694 substation, Idaho 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.