SEPTA
SubstationVirginia · VIRGINIA ELECTRIC & POWER CO
SEPTA is an electric transmission substation in Virginia, operated by VIRGINIA ELECTRIC & POWER CO. It is classified as extra-high-voltage (500 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 |
|---|---|---|---|---|
| #19632 | 500 kV | VIRGINIA ELECTRIC & POWER CO | IN SERVICE | 11.4 mi |
| #29975 | 500 kV | VIRGINIA ELECTRIC & POWER CO | IN SERVICE | 38.4 mi |
| #43748 | 500 kV | VIRGINIA ELECTRIC & POWER CO | IN SERVICE | 33.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of SEPTA, 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 |
|---|---|---|---|---|---|---|---|
| YADKIN | Substation-Adjacent | VA | Portsmouth city | 500 kV | 1,000 MW | 3.1 yrs | 78.2 |
| SEPTA | Substation-Adjacent | VA | Surry County | 500 kV | 1,000 MW | 3.1 yrs | 73.9 |
| TAP147080 | Substation-Adjacent | VA | Chesapeake city | 230 kV | 300 MW | 3.1 yrs | 73.7 |
| UNKNOWN115104 | Substation-Adjacent | VA | Chesapeake city | 230 kV | 300 MW | 3.1 yrs | 73.7 |
| NEWPORT NEWS | Substation-Adjacent | VA | Newport News city | 230 kV | 300 MW | 3.1 yrs | 73.4 |
| TAP147951 | Substation-Adjacent | VA | Newport News city | 230 kV | 300 MW | 3.1 yrs | 73.4 |
| WARWICK | Substation-Adjacent | VA | Newport News city | 230 kV | 300 MW | 3.1 yrs | 73.3 |
| UNKNOWN111379 | Substation-Adjacent | VA | Suffolk city | 230 kV | 300 MW | 3.1 yrs | 73.1 |
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 SEPTA substation, Virginia. 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.