TAP155829
SubstationIndiana · DUKE ENERGY INDIANA, LLC
At a glance
TAP155829 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #157287 | 138 kV | DUKE ENERGY INDIANA, LLC | IN SERVICE | 0.0 mi |
| #158159 | 138 kV | DUKE ENERGY INDIANA, LLC | IN SERVICE | 7.1 mi |
| #158368 | 138 kV | DUKE ENERGY INDIANA, LLC | IN SERVICE | 15.9 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP155829, 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 |
|---|---|---|---|---|---|---|---|
| GREENTOWN | Substation-Adjacent | IN | Howard County | 765 kV | 1,000 MW | 3.0 yrs | 66.0 |
| Kokomo Wind Farm (Continental Steel ) | Brownfield | IN | Howard | — | 0 MW | 3.0 yrs | 63.9 |
| TIPTON WEST | Substation-Adjacent | IN | Tipton County | 230 kV | 300 MW | 3.0 yrs | 62.6 |
| KOKOMO HIGHLAND PARK | Substation-Adjacent | IN | Howard County | 230 kV | 300 MW | 3.0 yrs | 61.6 |
| DEEDSVILLE 345KV | Substation-Adjacent | IN | Miami County | 345 kV | 600 MW | 3.0 yrs | 61.2 |
| KOKOMO WEBSTER STREET | Substation-Adjacent | IN | Howard County | 230 kV | 300 MW | 3.0 yrs | 60.7 |
| UNKNOWN123983 | Substation-Adjacent | IN | Howard County | 230 kV | 300 MW | 3.0 yrs | 60.7 |
| OZ Huntington | Greenfield | IN | Huntington | — | — | 3.0 yrs | 60.3 |
Who owns the transmission lines at TAP155829?
The 3 connected lines listed above are owned by DUKE ENERGY INDIANA, LLC. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 22.9 miles.
How do candidate sites near TAP155829 score?
The 8 highest-scoring candidate sites within about 25 miles range from 60 to 66 on the 0–100 DC Readiness scale. They fall in Howard County, Howard, Tipton County, Miami 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 TAP155829 substation?
TAP155829 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 TAP155829 is above the national midpoint.
How many transmission lines connect to TAP155829 substation?
3 transmission lines terminate at or pass through TAP155829 in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 22.9 miles.
Who owns TAP155829 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP155829 belong to DUKE ENERGY INDIANA, LLC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP155829 substation located?
TAP155829 is in Indiana at 40.5757, -85.8144. The datacenter candidate sites closest to it are in Howard County, Howard, Tipton County.
Are there datacenter candidate sites near TAP155829 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP155829. The highest-scoring is GREENTOWN at 66/100. 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, “TAP155829 substation, Indiana”, https://gridcensus.com/substations/indiana/tap155829-863083de (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 TAP155829 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.