Skip to content
Gridcensus

TAP207316

Substation

Idaho · IDAHO POWER CO

Max voltage
138
kV

At a glance

TAP207316 is a 138 kV electric substation in Idaho on IDAHO POWER CO'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 MIDPOINT (500KV) in Jerome County, with a DC Readiness score of 64/100.

TAP207316 is an electric transmission substation in Idaho, on IDAHO POWER CO'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

Max voltage138 kV
Min voltage138 kV
Voltage classSub-transmission (138 kV)
Connected lines3

Ownership

Line owner (most lines)IDAHO POWER CO
StateIdaho
Coordinates42.5922, -114.4794

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#203356138 kVIDAHO POWER CO—2.9 mi
#208426138 kVIDAHO POWER CO—2.2 mi
#208427138 kVIDAHO POWER CO—1.9 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP207316, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP207316 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
MIDPOINT (500KV)Substation-AdjacentIDJerome County500 kV1,000 MW5.0 yrs63.5
HUNTSubstation-AdjacentIDJerome County230 kV300 MW5.0 yrs59.5
OZ Twin FallsGreenfieldIDTwin Falls——5.0 yrs57.4
TAP204818Substation-AdjacentIDJerome County161 kV100 MW5.0 yrs55.8
TAP207316Substation-AdjacentIDJerome County138 kV100 MW5.0 yrs55.7
UNKNOWN205054Substation-AdjacentIDJerome County138 kV100 MW5.0 yrs55.7
EASTGATESubstation-AdjacentIDJerome County138 kV100 MW5.0 yrs55.7
TAP204826Substation-AdjacentIDJerome County138 kV100 MW5.0 yrs55.7

Who owns the transmission lines at TAP207316?

The 3 connected lines listed above are owned by IDAHO POWER CO. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 7 miles.

How do candidate sites near TAP207316 score?

The 8 highest-scoring candidate sites within about 25 miles range from 56 to 64 on the 0–100 DC Readiness scale. They fall in Jerome County, Twin Falls. The Idaho average across 2,171 scored sites is 51.7. 646 of those Idaho sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is TAP207316 substation?

TAP207316 has a maximum voltage of 138 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP207316 is above the national midpoint.

How many transmission lines connect to TAP207316 substation?

3 transmission lines terminate at or pass through TAP207316 in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 7 miles.

Who owns TAP207316 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP207316 belong to IDAHO POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP207316 substation located?

TAP207316 is in Idaho at 42.5922, -114.4794. The datacenter candidate sites closest to it are in Jerome County, Twin Falls.

Are there datacenter candidate sites near TAP207316 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP207316. The highest-scoring is MIDPOINT (500KV) at 64/100. Across Idaho, the average DC Readiness score is 51.7.

More in Idaho

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, “TAP207316 substation, Idaho”, https://gridcensus.com/substations/idaho/tap207316-049235c7 (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 TAP207316 substation, Idaho 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.