J M STUART
SubstationOhio · AMERICAN ELECTRIC POWER CO., INC
J M STUART is an electric transmission substation in Ohio, operated by AMERICAN ELECTRIC POWER CO., INC. It is classified as high-voltage (345 kv) and connects 6 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
Ownership & operation
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #4097 | 345 kV | AMERICAN ELECTRIC POWER CO., INC | IN SERVICE | 54.1 mi |
| #21634 | 345 kV | AMERICAN ELECTRIC POWER CO., INC | IN SERVICE | 13.2 mi |
| #28753 | 345 kV | AMERICAN ELECTRIC POWER CO., INC | IN SERVICE | 32.8 mi |
| #31098 | 345 kV | OHIO POWER CO | — | 0.1 mi |
| #37831 | 345 kV | EAST KENTUCKY POWER COOP, INC | IN SERVICE | 11.4 mi |
| #60574 | 345 kV | AMERICAN ELECTRIC POWER CO., INC | IN SERVICE | 70.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of J M STUART, 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 |
|---|---|---|---|---|---|---|---|
| J M STUART | Substation-Adjacent | OH | Highland County | 345 kV | 600 MW | 3.2 yrs | 72.4 |
| UNKNOWN113907 | Substation-Adjacent | OH | Highland County | 345 kV | 600 MW | 3.2 yrs | 71.4 |
| ATLANTA | Substation-Adjacent | OH | Highland County | 345 kV | 600 MW | 3.2 yrs | 70.8 |
| HILLCREST SOLAR | Substation-Adjacent | OH | Brown County | 345 kV | 600 MW | 3.2 yrs | 70.3 |
| KILLEN | Substation-Adjacent | OH | Adams County | 345 kV | 600 MW | 3.2 yrs | 69.7 |
| UNKNOWN114727 | Substation-Adjacent | OH | Warren County | 138 kV | 100 MW | 3.2 yrs | 68.8 |
| UNKNOWN113606 | Substation-Adjacent | OH | Adams County | 345 kV | 600 MW | 3.2 yrs | 68.6 |
| TAP137355 | Substation-Adjacent | OH | Adams County | 345 kV | 600 MW | 3.2 yrs | 68.5 |
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 J M STUART 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.