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Gridcensus

TAP209194

Substation

Washington · PUD NO 1 OF FRANKLIN COUNTY

Max voltage
115
kV

At a glance

TAP209194 is a 115 kV electric substation in Washington on PUD NO 1 OF FRANKLIN COUNTY's transmission network, recorded in the HIFLD transmission dataset. 2 transmission lines connect to it. The highest-scoring datacenter candidate site within about 25 miles is MCNARY in Benton County, with a DC Readiness score of 68/100.

TAP209194 is an electric transmission substation in Washington, on PUD NO 1 OF FRANKLIN COUNTY's transmission network. It is classified as sub-transmission (115 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

Max voltage115 kV
Min voltage115 kV
Voltage classSub-transmission (115 kV)
Connected lines2

Ownership

Line owner (most lines)PUD NO 1 OF FRANKLIN COUNTY
Coordinates46.1899, -119.1073

Connected transmission lines

Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.

Line IDVoltageOwnerStatusLength
#201109115 kVPUD NO 1 OF FRANKLIN COUNTY—2.1 mi
#211309115 kVPUD NO 1 OF FRANKLIN COUNTY—1.0 mi
#212256115 kVNORTHERN WASCO COUNTY PUD—0.6 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP209194, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP209194 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
MCNARYSubstation-AdjacentORBenton County500 kV1,000 MW3.5 yrs67.6
SACAJAWEASubstation-AdjacentWAWalla Walla County500 kV1,000 MW3.5 yrs67.4
CALPINESubstation-AdjacentORMorrow County500 kV1,000 MW3.5 yrs66.3
COLUMBIA GENERATING STATIONSubstation-AdjacentWABenton County500 kV1,000 MW3.5 yrs66.2
TAP203128Substation-AdjacentWAWalla Walla County500 kV1,000 MW3.5 yrs65.9
OZ BentonGreenfieldWABenton——3.5 yrs64.9
WHITE BLUFFSSubstation-AdjacentWABenton County230 kV300 MW3.5 yrs63.0
UNKNOWN202413Substation-AdjacentORBenton County230 kV300 MW3.5 yrs62.9

Who owns the transmission lines at TAP209194?

The 3 connected lines listed above are owned by PUD NO 1 OF FRANKLIN COUNTY, NORTHERN WASCO COUNTY PUD. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 3.7 miles.

How do candidate sites near TAP209194 score?

The 8 highest-scoring candidate sites within about 25 miles range from 63 to 68 on the 0–100 DC Readiness scale. They fall in Benton County, Walla Walla County, Morrow County, Benton. 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 TAP209194 substation?

TAP209194 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 TAP209194 is at the national midpoint.

How many transmission lines connect to TAP209194 substation?

2 transmission lines terminate at or pass through TAP209194 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 3.7 miles.

Who owns TAP209194 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP209194 belong to PUD NO 1 OF FRANKLIN COUNTY, and others to NORTHERN WASCO COUNTY PUD. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP209194 substation located?

TAP209194 is in Washington at 46.1899, -119.1073. The datacenter candidate sites closest to it are in Benton County, Walla Walla County, Morrow County.

Are there datacenter candidate sites near TAP209194 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP209194. The highest-scoring is MCNARY at 68/100. Across Washington, the average DC Readiness score is 51.7.

More in Washington

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, “TAP209194 substation, Washington”, https://gridcensus.com/substations/washington/tap209194-a341a5e6 (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 TAP209194 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.