ROCK RIVER I LLC
SubstationWyoming · PACIFICORP
ROCK RIVER I LLC is an electric transmission substation in Wyoming, operated by PACIFICORP. It is classified as high-voltage (230 kv) and connects 1 transmission line. 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 |
|---|---|---|---|---|
| #73051 | 230 kV | PACIFICORP | — | 4.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of ROCK RIVER I LLC, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN201269 | Substation-Adjacent | WY | Albany County | 230 kV | 300 MW | 1.7 yrs | 68.2 |
| UNKNOWN202481 | Substation-Adjacent | WY | Albany County | 230 kV | 300 MW | 1.7 yrs | 68.1 |
| FOOTE CREEK | Substation-Adjacent | WY | Albany County | 230 kV | 300 MW | 1.7 yrs | 66.4 |
| MEDICINE BOW FUEL & POWER LLC | Substation-Adjacent | WY | Albany County | 245 kV | 300 MW | 1.7 yrs | 65.7 |
| UNKNOWN204108 | Substation-Adjacent | WY | Albany County | 230 kV | 300 MW | 1.7 yrs | 65.4 |
| MCFADDEN RIDGE | Substation-Adjacent | WY | Albany County | 230 kV | 300 MW | 1.7 yrs | 65.0 |
| ROCK RIVER I LLC | Substation-Adjacent | WY | Albany County | 230 kV | 300 MW | 1.7 yrs | 64.6 |
| SEVEN MILE HILL | Substation-Adjacent | WY | Carbon County | 230 kV | 300 MW | 1.7 yrs | 64.5 |
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 ROCK RIVER I LLC substation, Wyoming. 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.