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Gridcensus

TAP203186

Substation

Washington · BONNEVILLE POWER ADMINISTRATION

Max voltage
115
kV

At a glance

TAP203186 is a 115 kV electric substation in Washington on BONNEVILLE POWER ADMINISTRATION's transmission network, recorded in the HIFLD transmission dataset. 3 transmission lines connect to it. The highest-scoring datacenter candidate site within about 25 miles is TAP209082 in Hood River County, with a DC Readiness score of 63/100.

TAP203186 is an electric transmission substation in Washington, on BONNEVILLE POWER ADMINISTRATION'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

Max voltage115 kV
Min voltage115 kV
Voltage classSub-transmission (115 kV)
Connected lines3

Ownership

Line owner (most lines)BONNEVILLE POWER ADMINISTRATION
Coordinates45.7561, -121.5372

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#200410115 kVBONNEVILLE POWER ADMINISTRATION—15.3 mi
#200411115 kVBONNEVILLE POWER ADMINISTRATION—0.4 mi
#200412115 kVBONNEVILLE POWER ADMINISTRATION—1.0 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP203186, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP203186 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
TAP209082Substation-AdjacentORHood River County230 kV300 MW3.5 yrs63.1
DEAD HEADSubstation-AdjacentORHood River County230 kV300 MW3.5 yrs61.4
TAP209080Substation-AdjacentORHood River County115 kV100 MW3.5 yrs58.7
THE DALLESSubstation-AdjacentORHood River County115 kV100 MW3.5 yrs58.7
TAP205756Substation-AdjacentORHood River County115 kV100 MW3.5 yrs58.7
UNKNOWN203177Substation-AdjacentORHood River County115 kV100 MW3.5 yrs58.6
UNKNOWN201291Substation-AdjacentORHood River County115 kV100 MW3.5 yrs58.0
BINGENSubstation-AdjacentWAHood River County115 kV100 MW3.5 yrs57.9

Who owns the transmission lines at TAP203186?

The 3 connected lines listed above are owned by BONNEVILLE POWER ADMINISTRATION. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 16.7 miles.

How do candidate sites near TAP203186 score?

The 8 highest-scoring candidate sites within about 25 miles range from 58 to 63 on the 0–100 DC Readiness scale. They fall in Hood River 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 TAP203186 substation?

TAP203186 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 TAP203186 is at the national midpoint.

How many transmission lines connect to TAP203186 substation?

3 transmission lines terminate at or pass through TAP203186 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 16.7 miles.

Who owns TAP203186 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP203186 belong to BONNEVILLE POWER ADMINISTRATION. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP203186 substation located?

TAP203186 is in Washington at 45.7561, -121.5372. The datacenter candidate sites closest to it are in Hood River County.

Are there datacenter candidate sites near TAP203186 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP203186. The highest-scoring is TAP209082 at 63/100. 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, “TAP203186 substation, Washington”, https://gridcensus.com/substations/washington/tap203186-068a811c (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 TAP203186 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.