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Gridcensus

TAP148663

Substation

Ohio

Max voltage
138
kV

At a glance

TAP148663 is a 138 kV electric substation in Ohio, recorded in the HIFLD transmission dataset. 3 transmission lines connect to it. The highest-scoring datacenter candidate site within about 25 miles is UNKNOWN113613 in Lucas County, with a DC Readiness score of 70/100.

TAP148663 is an electric transmission substation in Ohio. 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

No owner is recorded for the lines that connect here.

StateOhio
Coordinates41.5566, -83.5556

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#134805138 kV—IN SERVICE0.0 mi
#136190138 kV—IN SERVICE0.9 mi
#148160138 kV—IN SERVICE1.5 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP148663, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP148663 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
UNKNOWN113613Substation-AdjacentOHLucas County345 kV600 MW5.2 yrs70.3
UNKNOWN113596Substation-AdjacentOHWood County345 kV600 MW5.2 yrs68.1
UNKNOWN156850Substation-AdjacentOHWood County345 kV600 MW5.2 yrs67.3
TAP137284Substation-AdjacentMIMonroe County345 kV600 MW2.2 yrs66.1
TAP137286Substation-AdjacentMIMonroe County345 kV600 MW2.2 yrs65.9
Wood County LandfillBrownfieldOHWood—7 MW5.2 yrs65.9
MOROCCOSubstation-AdjacentMIMonroe County345 kV600 MW2.2 yrs65.8
UNKNOWN128355Substation-AdjacentMIMonroe County345 kV600 MW2.2 yrs65.8

How do candidate sites near TAP148663 score?

The 8 highest-scoring candidate sites within about 25 miles range from 66 to 70 on the 0–100 DC Readiness scale. They fall in Lucas County, Wood County, Monroe County, Wood. 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 TAP148663 substation?

TAP148663 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 TAP148663 is above the national midpoint.

How many transmission lines connect to TAP148663 substation?

3 transmission lines terminate at or pass through TAP148663 in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 2.5 miles.

Where is TAP148663 substation located?

TAP148663 is in Ohio at 41.5566, -83.5556. The datacenter candidate sites closest to it are in Lucas County, Wood County, Monroe County.

Are there datacenter candidate sites near TAP148663 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP148663. The highest-scoring is UNKNOWN113613 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, “TAP148663 substation, Ohio”, https://gridcensus.com/substations/ohio/tap148663-8ec4741a (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 TAP148663 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.