TAP204983
SubstationIdaho · FALL RIVER RURAL ELEC COOP INC
At a glance
TAP204983 is an electric transmission substation in Idaho, on FALL RIVER RURAL ELEC 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 |
|---|---|---|---|---|
| #203645 | 115 kV | FALL RIVER RURAL ELEC COOP INC | — | 3.5 mi |
| #203642 | 69 kV | FALL RIVER RURAL ELEC COOP INC | — | 4.6 mi |
| #203643 | 69 kV | FALL RIVER RURAL ELEC COOP INC | — | 3.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP204983, 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 |
|---|---|---|---|---|---|---|---|
| TAP204718 | Substation-Adjacent | ID | Madison County | 230 kV | 300 MW | 5.0 yrs | 63.2 |
| TAP204706 | Substation-Adjacent | ID | Madison County | 69 kV | 50 MW | 5.0 yrs | 57.8 |
| REXBURG | Substation-Adjacent | ID | Madison County | 69 kV | 50 MW | 5.0 yrs | 57.8 |
| DRUMMOND | Substation-Adjacent | ID | Teton County | 161 kV | 100 MW | 5.0 yrs | 57.5 |
| TAP204717 | Substation-Adjacent | ID | Madison County | 69 kV | 50 MW | 5.0 yrs | 57.0 |
| ST. ANTHONY | Substation-Adjacent | ID | Madison County | 69 kV | 50 MW | 5.0 yrs | 57.0 |
| UNKNOWN205288 | Substation-Adjacent | ID | Madison County | 69 kV | 50 MW | 5.0 yrs | 57.0 |
| NEWDALE | Substation-Adjacent | ID | Madison County | 69 kV | 50 MW | 5.0 yrs | 57.0 |
Who owns the transmission lines at TAP204983?
The 3 connected lines listed above are owned by FALL RIVER RURAL ELEC COOP INC. Line voltages range from 69 kV to 115 kV. Their combined recorded length is about 11.8 miles.
How do candidate sites near TAP204983 score?
The 8 highest-scoring candidate sites within about 25 miles range from 57 to 63 on the 0–100 DC Readiness scale. They fall in Madison County, Teton 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 TAP204983 substation?
TAP204983 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 TAP204983 is at the national midpoint.
How many transmission lines connect to TAP204983 substation?
3 transmission lines terminate at or pass through TAP204983 in the HIFLD line data. The connected lines listed here run at 115 kV, 69 kV. Together the listed lines cover about 11.8 miles.
Who owns TAP204983 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP204983 belong to FALL RIVER RURAL ELEC COOP INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP204983 substation located?
TAP204983 is in Idaho at 43.9987, -111.4229. The datacenter candidate sites closest to it are in Madison County, Teton County.
Are there datacenter candidate sites near TAP204983 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP204983. The highest-scoring is TAP204718 at 63/100. 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, “TAP204983 substation, Idaho”, https://gridcensus.com/substations/idaho/tap204983-1b899b99 (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 TAP204983 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.