WESTLEY
SubstationCalifornia · PACIFIC GAS & ELECTRIC COMPANY
WESTLEY is an electric transmission substation in California, operated by PACIFIC GAS & ELECTRIC COMPANY. It is classified as high-voltage (230 kv) and connects 10 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 |
|---|---|---|---|---|
| #92715 | 230 kV | — | IN SERVICE | 16.7 mi |
| #82144 | 230 kV | — | IN SERVICE | 16.7 mi |
| #84084 | 230 kV | PACIFIC GAS & ELECTRIC COMPANY | IN SERVICE | 29.3 mi |
| #85846 | 230 kV | — | IN SERVICE | 24.7 mi |
| #85865 | 230 kV | PACIFIC GAS & ELECTRIC COMPANY | IN SERVICE | 29.6 mi |
| #86665 | 230 kV | — | IN SERVICE | 24.8 mi |
| #87020 | 230 kV | — | IN SERVICE | 35.0 mi |
| #92042 | 230 kV | PACIFIC GAS & ELECTRIC COMPANY | IN SERVICE | 23.7 mi |
| #92704 | 230 kV | PACIFIC GAS & ELECTRIC COMPANY | IN SERVICE | 29.0 mi |
| #81978 | 115 kV | PACIFIC GAS & ELECTRIC COMPANY | IN SERVICE | 9.6 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of WESTLEY, 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 |
|---|---|---|---|---|---|---|---|
| TESLA Power Project | Brownfield | CA | Alameda County | 500 kV | 1,322 MW | 5.7 yrs | 64.5 |
| WEBER | Substation-Adjacent | CA | San Joaquin County | 230 kV | 300 MW | 5.7 yrs | 63.2 |
| ROSEMORE B | Substation-Adjacent | CA | Stanislaus County | 230 kV | 300 MW | 5.7 yrs | 62.6 |
| TESLA | Substation-Adjacent | CA | Alameda County | 500 kV | 1,000 MW | 5.7 yrs | 61.0 |
| PARKER | Substation-Adjacent | CA | Stanislaus County | 230 kV | 300 MW | 5.7 yrs | 60.2 |
| WESTLEY | Substation-Adjacent | CA | Stanislaus County | 230 kV | 300 MW | 5.7 yrs | 59.7 |
| TRACY | Substation-Adjacent | CA | San Joaquin County | 500 kV | 1,000 MW | 5.7 yrs | 58.7 |
| STANDIFORD | Substation-Adjacent | CA | Stanislaus County | 115 kV | 100 MW | 5.7 yrs | 58.2 |
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 WESTLEY substation, California. 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.