LEWISVILLE SWITCH
SubstationTexas · ONCOR ELECTRIC DELIVERY CO.
LEWISVILLE SWITCH is an electric transmission substation in Texas, operated by ONCOR ELECTRIC DELIVERY CO.. It is classified as high-voltage (345 kv) and connects 8 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 |
|---|---|---|---|---|
| #91099 | 345 kV | ONCOR ELECTRIC DELIVERY CO. | — | 21.4 mi |
| #84910 | 345 kV | ONCOR ELECTRIC DELIVERY CO. | — | 18.5 mi |
| #88319 | 345 kV | ONCOR ELECTRIC DELIVERY CO. | IN SERVICE | 8.0 mi |
| #89736 | 345 kV | ONCOR ELECTRIC DELIVERY CO. | — | 8.0 mi |
| #84479 | 138 kV | ONCOR ELECTRIC DELIVERY CO. | — | 0.2 mi |
| #88958 | 138 kV | ONCOR ELECTRIC DELIVERY CO. | — | 2.8 mi |
| #85836 | 138 kV | ONCOR ELECTRIC DELIVERY CO. | — | 0.4 mi |
| #86569 | 138 kV | ONCOR ELECTRIC DELIVERY CO. | — | 1.6 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of LEWISVILLE SWITCH, 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 |
|---|---|---|---|---|---|---|---|
| HICKS | Substation-Adjacent | TX | Tarrant County | 345 kV | 600 MW | 3.4 yrs | 75.1 |
| NORTHWEST CARROLLTON | Substation-Adjacent | TX | Dallas County | 345 kV | 600 MW | 3.4 yrs | 75.0 |
| NORWOOD | Substation-Adjacent | TX | Dallas County | 345 kV | 600 MW | 3.4 yrs | 74.5 |
| SHERRY | Substation-Adjacent | TX | Tarrant County | 345 kV | 600 MW | 3.4 yrs | 74.0 |
| UNKNOWN308533 | Substation-Adjacent | TX | Tarrant County | 345 kV | 600 MW | 3.4 yrs | 74.0 |
| UNKNOWN300728 | Substation-Adjacent | TX | Tarrant County | 345 kV | 600 MW | 3.4 yrs | 73.7 |
| LEWISVILLE SWITCH | Substation-Adjacent | TX | Denton County | 345 kV | 600 MW | 3.4 yrs | 73.7 |
| ALLEN SWITCHING | Substation-Adjacent | TX | Collin County | 345 kV | 600 MW | 3.4 yrs | 73.6 |
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 LEWISVILLE SWITCH substation, Texas. 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.