OLIVE WAY
SubstationWashington · NORTHERN WASCO COUNTY PUD
At a glance
OLIVE WAY is an electric transmission substation in Washington, on NORTHERN WASCO COUNTY PUD's transmission network. 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
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 |
|---|---|---|---|---|
| #200578 | 138 kV | NORTHERN WASCO COUNTY PUD | — | 2.6 mi |
| #200577 | 69 kV | NORTHERN WASCO COUNTY PUD | — | 0.4 mi |
| #212270 | 69 kV | NORTHERN WASCO COUNTY PUD | IN SERVICE | 0.4 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of OLIVE WAY, 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 |
|---|---|---|---|---|---|---|---|
| ALLSTON | Substation-Adjacent | OR | Columbia County | 500 kV | 1,000 MW | 3.5 yrs | 63.6 |
| EC Near Longview Fibre | Greenfield | WA | Cowlitz | — | — | 3.5 yrs | 60.1 |
| WOODLAND | Substation-Adjacent | WA | Clark County | 230 kV | 300 MW | 3.5 yrs | 59.9 |
| PORT WESTWARD | Substation-Adjacent | OR | Wahkiakum County | 230 kV | 300 MW | 3.5 yrs | 59.7 |
| MINT FARM | Substation-Adjacent | WA | Columbia County | 230 kV | 300 MW | 3.5 yrs | 59.4 |
| TROJAN NUCLEAR PLANT SWITCHYARD | Substation-Adjacent | OR | Columbia County | 230 kV | 300 MW | 3.5 yrs | 59.4 |
| TAP203174 | Substation-Adjacent | WA | Columbia County | 230 kV | 300 MW | 3.5 yrs | 59.4 |
| LEXINGTON | Substation-Adjacent | WA | Cowlitz County | 230 kV | 300 MW | 3.5 yrs | 59.4 |
How does OLIVE WAY compare with other substations in Washington?
Washington has 2,106 substation records in HIFLD, of which 785 carry a station name; the rest are unnamed tap points, risers and line ends. 515 named substations in the state are in OLIVE WAY's 115–229 kV band (66% of named stations). 137 sit in a higher band. 34 named substations in Washington operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 115 kV.
Who owns the transmission lines at OLIVE WAY?
The 3 connected lines listed above are owned by NORTHERN WASCO COUNTY PUD. Line voltages range from 69 kV to 138 kV. Their combined recorded length is about 3.5 miles.
How do candidate sites near OLIVE WAY score?
The 8 highest-scoring candidate sites within about 25 miles range from 59 to 64 on the 0–100 DC Readiness scale. They fall in Columbia County, Cowlitz, Clark County, Wahkiakum County. The Washington average across 6,019 scored sites is 51.7. 1,343 of those Washington sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is OLIVE WAY substation?
OLIVE WAY has a maximum voltage of 138 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 OLIVE WAY is above the national midpoint.
How many transmission lines connect to OLIVE WAY substation?
3 transmission lines terminate at or pass through OLIVE WAY in the HIFLD line data. The connected lines listed here run at 138 kV, 69 kV. Together the listed lines cover about 3.5 miles.
Who owns OLIVE WAY substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at OLIVE WAY belong to NORTHERN WASCO COUNTY PUD. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is OLIVE WAY substation located?
OLIVE WAY is in Washington at 46.1503, -122.9763. The datacenter candidate sites closest to it are in Columbia County, Cowlitz, Clark County.
Are there datacenter candidate sites near OLIVE WAY substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of OLIVE WAY. The highest-scoring is ALLSTON at 64/100. Across Washington, the average DC Readiness score is 51.7.
Other 138 kV substations in Washington
- MARCH POINT· 10 lines
- COSMOPOLIS· 6 lines
- SNOQUALMIE· 6 lines
- COWLITZ· 5 lines
- STRATFORD· 4 lines
- TARLETT· 4 lines
- CEDAR FALLS· 3 lines
- INDUSTRIAL WAY· 3 lines
- All named substations in Washington· 785 stations
- Datacenter candidate sites in Washington· 6,019 sites
- Brownfield and retired plant sites in Washington
- 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, “OLIVE WAY substation, Washington”, https://gridcensus.com/substations/washington/olive-way-841a9ace (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 OLIVE WAY substation, Washington 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.