HUNTINGTON
SubstationOregon · IDAHO POWER CO
At a glance
HUNTINGTON is an electric transmission substation in Oregon, on IDAHO POWER CO's transmission network. It is classified as sub-transmission (138 kv) and connects 2 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 |
|---|---|---|---|---|
| #208523 | 138 kV | IDAHO POWER CO | — | 2.9 mi |
| #208522 | 115 kV | IDAHO POWER CO | — | 3.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of HUNTINGTON, 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 |
|---|---|---|---|---|---|---|---|
| ONTARIO | Substation-Adjacent | OR | Payette County | 230 kV | 300 MW | 3.5 yrs | 59.2 |
| OZ Malheur | Greenfield | OR | Malheur | — | — | 3.5 yrs | 57.3 |
| PAYETTE | Substation-Adjacent | ID | Payette County | 138 kV | 100 MW | 5.0 yrs | 56.3 |
| UNKNOWN202611 | Substation-Adjacent | OR | Baker County | 138 kV | 100 MW | 3.5 yrs | 55.9 |
| UNKNOWN202818 | Substation-Adjacent | OR | Baker County | 115 kV | 100 MW | 3.5 yrs | 55.5 |
| WEISER | Substation-Adjacent | ID | Washington County | 138 kV | 100 MW | 5.0 yrs | 55.4 |
| VALE | Substation-Adjacent | OR | Payette County | 115 kV | 100 MW | 3.5 yrs | 54.9 |
| UNKNOWN207363 | Substation-Adjacent | OR | Payette County | 115 kV | 100 MW | 3.5 yrs | 54.8 |
How does HUNTINGTON compare with other substations in Oregon?
Oregon has 1,414 substation records in HIFLD, of which 554 carry a station name; the rest are unnamed tap points, risers and line ends. 351 named substations in the state are in HUNTINGTON's 115–229 kV band (63% of named stations). 110 sit in a higher band. 34 named substations in Oregon operate at 345 kV or above. The highest voltage recorded in the state is 1,000 kV, and the state median is 115 kV.
Who owns the transmission lines at HUNTINGTON?
The 2 connected lines listed above are owned by IDAHO POWER CO. Line voltages range from 115 kV to 138 kV. Their combined recorded length is about 5.9 miles.
How do candidate sites near HUNTINGTON score?
The 8 highest-scoring candidate sites within about 25 miles range from 55 to 59 on the 0–100 DC Readiness scale. They fall in Payette County, Malheur, Baker County, Washington County. The Oregon average across 2,430 scored sites is 53.1. 844 of those Oregon sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is HUNTINGTON substation?
HUNTINGTON has a maximum voltage of 138 kV and a minimum of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so HUNTINGTON is above the national midpoint.
How many transmission lines connect to HUNTINGTON substation?
2 transmission lines terminate at or pass through HUNTINGTON in the HIFLD line data. The connected lines listed here run at 138 kV, 115 kV. Together the listed lines cover about 5.9 miles.
Who owns HUNTINGTON substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at HUNTINGTON belong to IDAHO POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is HUNTINGTON substation located?
HUNTINGTON is in Oregon at 44.3468, -117.2627. The datacenter candidate sites closest to it are in Payette County, Malheur, Baker County.
Are there datacenter candidate sites near HUNTINGTON substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of HUNTINGTON. The highest-scoring is ONTARIO at 59/100. Across Oregon, the average DC Readiness score is 53.1.
Other 138 kV substations in Oregon
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, “HUNTINGTON substation, Oregon”, https://gridcensus.com/substations/oregon/huntington-e48f5a93 (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 HUNTINGTON substation, Oregon 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.