TAP204859
SubstationIdaho · IDAHO POWER CO
TAP204859 is an electric transmission substation in Idaho, operated by IDAHO POWER CO. 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 |
|---|---|---|---|---|
| #70311 | 138 kV | IDAHO POWER CO | — | 20.0 mi |
| #70372 | 138 kV | IDAHO POWER CO | — | 9.1 mi |
| #70373 | 138 kV | IDAHO POWER CO | — | 0.4 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP204859, 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 |
|---|---|---|---|---|---|---|---|
| TAP203129 | Substation-Adjacent | ID | Minidoka County | 345 kV | 600 MW | 2.0 yrs | 70.7 |
| ADELAIDE | Substation-Adjacent | ID | Minidoka County | 345 kV | 600 MW | 2.0 yrs | 70.4 |
| WEST BURLEY | Substation-Adjacent | ID | Cassia County | 138 kV | 100 MW | 2.0 yrs | 67.4 |
| RIVERTON | Substation-Adjacent | ID | Cassia County | 138 kV | 100 MW | 2.0 yrs | 67.0 |
| Greenfield (TAP203129 - BORAH) | Greenfield | ID | Power County | 345 kV | 600 MW | 2.0 yrs | 65.6 |
| TAP203508 | Substation-Adjacent | ID | Minidoka County | 138 kV | 100 MW | 2.0 yrs | 65.3 |
| TAP204827 | Substation-Adjacent | ID | Power County | 138 kV | 100 MW | 2.0 yrs | 65.2 |
| Greenfield (BORAH - ADELAIDE) | Greenfield | ID | Power County | 345 kV | 600 MW | 2.0 yrs | 65.1 |
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
This page shows a public slice of the GridCensus dataset for TAP204859 substation, Idaho. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.