KEAN MTN AND GRASSY CREEK
SubstationKentucky · APPALACHIAN POWER CO
KEAN MTN AND GRASSY CREEK is an electric transmission substation in Kentucky, operated by APPALACHIAN POWER CO. It is classified as sub-transmission (138 kv) and connects 1 transmission line. 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 |
|---|---|---|---|---|
| #18154 | 138 kV | APPALACHIAN POWER CO | IN SERVICE | 2.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of KEAN MTN AND GRASSY CREEK, 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 |
|---|---|---|---|---|---|---|---|
| TAP152242 | Substation-Adjacent | VA | Russell County | 138 kV | 100 MW | 3.7 yrs | 70.8 |
| Greenfield (SULLIVAN - BROADFORD (765 KV)) | Greenfield | VA | Smyth County | 500 kV | 1,000 MW | 3.7 yrs | 70.0 |
| Greenfield (BAKER - BROADFORD (765 KV)) | Greenfield | VA | Dickenson County | 765 kV | 1,000 MW | 3.6 yrs | 69.0 |
| Greenfield (BAKER - BROADFORD (765 KV)) | Greenfield | VA | Russell County | 765 kV | 1,000 MW | 3.6 yrs | 69.0 |
| Clinch River | Brownfield | VA | Russell | — | 238 MW | — | 68.9 |
| KEAN MTN AND GRASSY CREEK | Substation-Adjacent | VA | Buchanan County | 138 kV | 100 MW | 3.0 yrs | 67.7 |
| SHACK MILLS STATION | Substation-Adjacent | VA | Buchanan County | 138 kV | 100 MW | 3.0 yrs | 67.2 |
| UNKNOWN114171 | Substation-Adjacent | VA | Russell County | 138 kV | 100 MW | 3.6 yrs | 66.7 |
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 KEAN MTN AND GRASSY CREEK substation, Kentucky. 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.