TAP147774
SubstationOhio · CITY OF WESTERVILLE - (OH)
TAP147774 is an electric transmission substation in Ohio, operated by CITY OF WESTERVILLE - (OH). 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 |
|---|---|---|---|---|
| #21737 | 138 kV | CITY OF WESTERVILLE - (OH) | IN SERVICE | 3.8 mi |
| #22550 | 138 kV | CITY OF WESTERVILLE - (OH) | IN SERVICE | 0.0 mi |
| #37514 | 138 kV | CITY OF WESTERVILLE - (OH) | IN SERVICE | 21.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP147774, 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 |
|---|---|---|---|---|---|---|---|
| HAYDEN | Substation-Adjacent | OH | Franklin County | 345 kV | 600 MW | 3.2 yrs | 77.3 |
| CORRIDOR | Substation-Adjacent | OH | Delaware County | 765 kV | 1,000 MW | 3.2 yrs | 77.3 |
| UNKNOWN151647 | Substation-Adjacent | OH | Delaware County | 765 kV | 1,000 MW | 3.2 yrs | 77.2 |
| UNKNOWN113629 | Substation-Adjacent | OH | Franklin County | 345 kV | 600 MW | 3.2 yrs | 76.9 |
| MARYSVILLE | Substation-Adjacent | OH | Union County | 765 kV | 1,000 MW | 3.2 yrs | 76.2 |
| HYATT | Substation-Adjacent | OH | Delaware County | 345 kV | 600 MW | 3.2 yrs | 75.8 |
| TANGY | Substation-Adjacent | OH | Union County | 345 kV | 600 MW | 3.2 yrs | 74.1 |
| Greenfield (CORRIDOR - MARYSVILLE) | Greenfield | OH | Delaware County | 765 kV | 1,000 MW | 3.2 yrs | 72.0 |
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
This page shows a public slice of the GridCensus dataset for TAP147774 substation, Ohio. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.