TAP171485
SubstationOhio · DAYTON POWER & LIGHT CO
At a glance
TAP171485 is an electric transmission substation in Ohio, on DAYTON POWER & LIGHT CO's transmission network. It is classified as unclassified 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 |
|---|---|---|---|---|
| #173891 | — | DAYTON POWER & LIGHT CO | IN SERVICE | 0.0 mi |
| #173892 | — | DAYTON POWER & LIGHT CO | IN SERVICE | 1.6 mi |
| #173893 | — | DAYTON POWER & LIGHT CO | IN SERVICE | 9.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP171485, 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 |
|---|---|---|---|---|---|---|---|
| CORRIDOR | Substation-Adjacent | OH | Delaware County | 765 kV | 1,000 MW | 5.2 yrs | 69.9 |
| UNKNOWN113629 | Substation-Adjacent | OH | Franklin County | 345 kV | 600 MW | 5.2 yrs | 67.3 |
| HAYDEN | Substation-Adjacent | OH | Franklin County | 345 kV | 600 MW | 5.2 yrs | 67.3 |
| HYATT | Substation-Adjacent | OH | Delaware County | 345 kV | 600 MW | 5.2 yrs | 66.9 |
| MARYSVILLE | Substation-Adjacent | OH | Union County | 765 kV | 1,000 MW | 5.2 yrs | 66.4 |
| UNKNOWN113662 | Substation-Adjacent | OH | Delaware County | 345 kV | 600 MW | 5.2 yrs | 66.0 |
| UNKNOWN113602 | Substation-Adjacent | OH | Franklin County | 345 kV | 600 MW | 5.2 yrs | 65.9 |
| OZ Franklin | Greenfield | OH | Franklin | — | — | 5.2 yrs | 64.1 |
Who owns the transmission lines at TAP171485?
The 3 connected lines listed above are owned by DAYTON POWER & LIGHT CO. Their combined recorded length is about 10.6 miles.
How do candidate sites near TAP171485 score?
The 8 highest-scoring candidate sites within about 25 miles range from 64 to 70 on the 0–100 DC Readiness scale. They fall in Delaware County, Franklin County, Union County, Franklin. The Ohio average across 3,933 scored sites is 54.8. 835 of those Ohio sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to TAP171485 substation?
3 transmission lines terminate at or pass through TAP171485 in the HIFLD line data. Together the listed lines cover about 10.6 miles.
Who owns TAP171485 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP171485 belong to DAYTON POWER & LIGHT CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP171485 substation located?
TAP171485 is in Ohio at 40.2088, -83.4107. The datacenter candidate sites closest to it are in Delaware County, Franklin County, Union County.
Are there datacenter candidate sites near TAP171485 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP171485. The highest-scoring is CORRIDOR at 70/100. Across Ohio, the average DC Readiness score is 54.8.
More in Ohio
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, “TAP171485 substation, Ohio”, https://gridcensus.com/substations/ohio/tap171485-58fc1d5d (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 TAP171485 substation, Ohio 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.