GUILFORD
SubstationPennsylvania · WEST PENN POWER CO
GUILFORD is an electric transmission substation in Pennsylvania, operated by WEST PENN POWER CO. It is classified as sub-transmission (138 kv) and connects 4 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 |
|---|---|---|---|---|
| #1786 | 138 kV | WEST PENN POWER CO | IN SERVICE | 7.2 mi |
| #6459 | 138 kV | WEST PENN POWER CO | IN SERVICE | 0.4 mi |
| #9486 | 138 kV | WEST PENN POWER CO | IN SERVICE | 0.8 mi |
| #47375 | 138 kV | WEST PENN POWER CO | IN SERVICE | 7.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of GUILFORD, 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 |
|---|---|---|---|---|---|---|---|
| BEDINGTON | Substation-Adjacent | WV | Berkeley County | 500 kV | 1,000 MW | 3.0 yrs | 71.8 |
| UNKNOWN122882 | Substation-Adjacent | MD | Washington County | 230 kV | 300 MW | 3.5 yrs | 71.1 |
| RINGGOLD | Substation-Adjacent | MD | Washington County | 230 kV | 300 MW | 3.1 yrs | 71.0 |
| UNKNOWN122878 | Substation-Adjacent | MD | Washington County | 138 kV | 100 MW | 3.0 yrs | 69.6 |
| Greenfield (DOUBS - BEDINGTON) | Greenfield | MD | Washington County | 500 kV | 1,000 MW | 3.0 yrs | 69.5 |
| Greenfield (UNKNOWN123462 - CONEMAUGH) | Greenfield | PA | Franklin County | 500 kV | 1,000 MW | 3.0 yrs | 69.1 |
| Greenfield (DOUBS - BEDINGTON) | Greenfield | MD | Washington County | 500 kV | 1,000 MW | 3.0 yrs | 69.1 |
| REID | Substation-Adjacent | MD | Washington County | 138 kV | 100 MW | 3.0 yrs | 69.0 |
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 GUILFORD substation, Pennsylvania. 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.