BUCK
SubstationArizona · AZUSA LIGHT & POWER
BUCK is an electric transmission substation in Arizona, operated by AZUSA LIGHT & POWER. It is classified as high-voltage (230 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 |
|---|---|---|---|---|
| #90054 | 230 kV | — | IN SERVICE | 66.5 mi |
| #91307 | 230 kV | AZUSA LIGHT & POWER | — | 0.1 mi |
| #87107 | 161 kV | AZUSA LIGHT & POWER | IN SERVICE | 63.6 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of BUCK, 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 |
|---|---|---|---|---|---|---|---|
| COLORADO RIVER | Substation-Adjacent | AZ | La Paz County | 500 kV | 1,000 MW | 5.7 yrs | 64.4 |
| Greenfield (COLORADO RIVER - UNKNOWN305616) | Greenfield | AZ | La Paz County | 500 kV | 1,000 MW | 5.7 yrs | 58.3 |
| BLYTHE ENERGY INC | Substation-Adjacent | AZ | La Paz County | 230 kV | 300 MW | 5.7 yrs | 58.1 |
| Greenfield (COLORADO RIVER - UNKNOWN305616) | Greenfield | AZ | La Paz County | 500 kV | 1,000 MW | 5.7 yrs | 57.1 |
| BLYTHE | Substation-Adjacent | AZ | La Paz County | 161 kV | 100 MW | 5.7 yrs | 56.4 |
| Greenfield (COLORADO RIVER - UNKNOWN305616) | Greenfield | AZ | La Paz County | 500 kV | 1,000 MW | 5.7 yrs | 56.1 |
| Greenfield (COLORADO RIVER - UNKNOWN305616) | Greenfield | AZ | La Paz County | 500 kV | 1,000 MW | 5.7 yrs | 55.5 |
| Greenfield (BUCK - JULIAN HINDS) | Greenfield | AZ | La Paz County | 230 kV | 300 MW | 5.7 yrs | 51.4 |
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 BUCK substation, Arizona. 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.