TAP136875
SubstationOhio · OHIO POWER CO
At a glance
TAP136875 is an electric transmission substation in Ohio, on OHIO POWER CO's transmission network. It is classified as distribution (69–115 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #127622 | 69 kV | OHIO POWER CO | IN SERVICE | 1.4 mi |
| #142636 | 69 kV | OHIO POWER CO | IN SERVICE | 1.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP136875, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN140084 | Substation-Adjacent | WV | Marshall County | 765 kV | 1,000 MW | 3.0 yrs | 64.7 |
| KAMMER (765KV) | Substation-Adjacent | WV | Marshall County | 765 kV | 1,000 MW | 3.0 yrs | 64.6 |
| TIDD | Substation-Adjacent | OH | Brooke County | 345 kV | 600 MW | 5.2 yrs | 62.6 |
| EC Coal Brooke County | Greenfield | WV | Brooke County | — | — | 3.0 yrs | 62.5 |
| EC Coal Hancock County | Greenfield | WV | Hancock County | — | — | 3.0 yrs | 62.3 |
| OZ Hancock | Greenfield | WV | Hancock | — | — | 3.0 yrs | 62.2 |
| EC Coal Brooke County | Greenfield | WV | Brooke County | — | — | 3.0 yrs | 62.1 |
| WEST BELLAIRE (345KV) | Substation-Adjacent | OH | Belmont County | 345 kV | 600 MW | 5.2 yrs | 61.3 |
Who owns the transmission lines at TAP136875?
The 2 connected lines listed above are owned by OHIO POWER CO. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 3 miles.
How do candidate sites near TAP136875 score?
The 8 highest-scoring candidate sites within about 25 miles range from 61 to 65 on the 0–100 DC Readiness scale. They fall in Marshall County, Brooke County, Hancock County, Hancock. 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
What voltage is TAP136875 substation?
TAP136875 has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so TAP136875 is below the national midpoint.
How many transmission lines connect to TAP136875 substation?
3 transmission lines terminate at or pass through TAP136875 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 3 miles.
Who owns TAP136875 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP136875 belong to OHIO POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP136875 substation located?
TAP136875 is in Ohio at 40.0346, -80.7611. The datacenter candidate sites closest to it are in Marshall County, Brooke County, Hancock County.
Are there datacenter candidate sites near TAP136875 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP136875. The highest-scoring is UNKNOWN140084 at 65/100. 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, “TAP136875 substation, Ohio”, https://gridcensus.com/substations/ohio/tap136875-cc25ca68 (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 TAP136875 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.