LEWIS AND CLARK
SubstationOregon · PACIFICORP
At a glance
LEWIS AND CLARK is an electric transmission substation in Oregon, 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 |
|---|---|---|---|---|
| #207891 | 115 kV | PACIFICORP | IN SERVICE | 0.7 mi |
| #207892 | 115 kV | PACIFICORP | IN SERVICE | 0.1 mi |
| #207893 | 115 kV | PACIFICORP | IN SERVICE | 4.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of LEWIS AND CLARK, 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 |
|---|---|---|---|---|---|---|---|
| CLATSOP | Substation-Adjacent | OR | Clatsop County | 230 kV | 300 MW | 3.5 yrs | 58.7 |
| OZ Clatsop | Greenfield | OR | Clatsop | — | — | 3.5 yrs | 55.9 |
| TAP206963 | Substation-Adjacent | OR | Clatsop County | 115 kV | 100 MW | 3.5 yrs | 55.9 |
| GRAYS RIVER | Substation-Adjacent | WA | Wahkiakum County | 115 kV | 100 MW | 3.5 yrs | 54.7 |
| YOUNGS BAY | Substation-Adjacent | OR | Clatsop County | 115 kV | 100 MW | 3.5 yrs | 54.5 |
| FERN HILL | Substation-Adjacent | OR | Clatsop County | 115 kV | 100 MW | 3.5 yrs | 54.4 |
| TAP202671 | Substation-Adjacent | OR | Clatsop County | 115 kV | 100 MW | 3.5 yrs | 54.4 |
| TAP206961 | Substation-Adjacent | OR | Clatsop County | 115 kV | 100 MW | 3.5 yrs | 54.3 |
How does LEWIS AND CLARK 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 LEWIS AND CLARK'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 LEWIS AND CLARK?
The 3 connected lines listed above are owned by PACIFICORP. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 5.5 miles.
How do candidate sites near LEWIS AND CLARK score?
The 8 highest-scoring candidate sites within about 25 miles range from 54 to 59 on the 0–100 DC Readiness scale. They fall in Clatsop County, Clatsop, Wahkiakum 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 LEWIS AND CLARK substation?
LEWIS AND CLARK 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 LEWIS AND CLARK is at the national midpoint.
How many transmission lines connect to LEWIS AND CLARK substation?
3 transmission lines terminate at or pass through LEWIS AND CLARK in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 5.5 miles.
Who owns LEWIS AND CLARK substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at LEWIS AND CLARK belong to PACIFICORP. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is LEWIS AND CLARK substation located?
LEWIS AND CLARK is in Oregon at 46.1443, -123.8410. The datacenter candidate sites closest to it are in Clatsop County, Clatsop, Wahkiakum County.
Are there datacenter candidate sites near LEWIS AND CLARK substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of LEWIS AND CLARK. The highest-scoring is CLATSOP at 59/100. Across Oregon, the average DC Readiness score is 53.1.
Other 115 kV substations in Oregon
- FARADAY· 11 lines
- DIXONVILLE· 10 lines
- EUGENE· 8 lines
- PROSPECT CENTRAL· 8 lines
- CANAMAH· 7 lines
- KNOTT· 7 lines
- SELLWOOD· 7 lines
- SUNSET SUBSTATION· 7 lines
- All named substations in Oregon· 554 stations
- Datacenter candidate sites in Oregon· 2,430 sites
- Brownfield and retired plant sites in Oregon
- Substations by state
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, “LEWIS AND CLARK substation, Oregon”, https://gridcensus.com/substations/oregon/lewis-and-clark-4c921c20 (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 LEWIS AND CLARK 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.