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Gridcensus

TAP155897

Substation

Indiana · DUKE ENERGY INDIANA, LLC

Max voltage
138
kV

At a glance

TAP155897 is a 138 kV electric substation in Indiana on DUKE ENERGY INDIANA, LLC'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 PETERSBURG STATION in Pike County, with a DC Readiness score of 67/100.

TAP155897 is an electric transmission substation in Indiana, on DUKE ENERGY INDIANA, LLC'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)DUKE ENERGY INDIANA, LLC
StateIndiana
Coordinates38.4450, -87.1733

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#156043138 kV—IN SERVICE0.1 mi
#157831138 kVDUKE ENERGY INDIANA, LLCIN SERVICE7.7 mi
#158420138 kVSOUTHERN INDIANA GAS & ELEC COIN SERVICE12.3 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP155897, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP155897 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
PETERSBURG STATIONSubstation-AdjacentINPike County345 kV600 MW3.0 yrs66.9
EC Near Northeast (IN)GreenfieldINVanderburgh——3.0 yrs64.1
DUFFSubstation-AdjacentINDubois County345 kV600 MW3.0 yrs63.6
EDWARDSPORT STATION IGCCSubstation-AdjacentINDaviess County345 kV600 MW3.0 yrs63.4
FRANCISCOSubstation-AdjacentINGibson County345 kV600 MW3.0 yrs63.3
WHEATLAND STATIONSubstation-AdjacentINKnox County345 kV600 MW3.0 yrs62.5
EC Coal Warrick CountyGreenfieldINWarrick County——3.0 yrs61.5
UNKNOWN125561Substation-AdjacentINVanderburgh County138 kV100 MW3.0 yrs61.3

Who owns the transmission lines at TAP155897?

The 3 connected lines listed above are owned by DUKE ENERGY INDIANA, LLC, SOUTHERN INDIANA GAS & ELEC CO. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 20 miles.

How do candidate sites near TAP155897 score?

The 8 highest-scoring candidate sites within about 25 miles range from 61 to 67 on the 0–100 DC Readiness scale. They fall in Pike County, Vanderburgh, Dubois County, Daviess County. The Indiana average across 8,629 scored sites is 54. 1,024 of those Indiana sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is TAP155897 substation?

TAP155897 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 TAP155897 is above the national midpoint.

How many transmission lines connect to TAP155897 substation?

3 transmission lines terminate at or pass through TAP155897 in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 20 miles.

Who owns TAP155897 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP155897 belong to DUKE ENERGY INDIANA, LLC, and others to SOUTHERN INDIANA GAS & ELEC CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP155897 substation located?

TAP155897 is in Indiana at 38.4450, -87.1733. The datacenter candidate sites closest to it are in Pike County, Vanderburgh, Dubois County.

Are there datacenter candidate sites near TAP155897 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP155897. The highest-scoring is PETERSBURG STATION at 67/100. Across Indiana, the average DC Readiness score is 54.

More in Indiana

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, “TAP155897 substation, Indiana”, https://gridcensus.com/substations/indiana/tap155897-db64e09d (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 TAP155897 substation, Indiana 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.