EMPIRE
SubstationMinnesota · NORTHERN STATES POWER CO - MINNESOTA
EMPIRE is an electric transmission substation in Minnesota, operated by NORTHERN STATES POWER CO - MINNESOTA. It is classified as sub-transmission (115 kv) and connects 2 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 |
|---|---|---|---|---|
| #59735 | 115 kV | NORTHERN STATES POWER CO - MINNESOTA | IN SERVICE | 13.9 mi |
| #59736 | 115 kV | NORTHERN STATES POWER CO - MINNESOTA | IN SERVICE | 7.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of EMPIRE, 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 |
|---|---|---|---|---|---|---|---|
| HAMPTON | Substation-Adjacent | MN | Dakota County | 345 kV | 600 MW | 1.4 yrs | 75.2 |
| MAXWELL | Substation-Adjacent | MN | Washington County | 345 kV | 600 MW | 1.4 yrs | 74.8 |
| MERRIAM PARK | Substation-Adjacent | MN | Ramsey County | 115 kV | 100 MW | 1.4 yrs | 72.7 |
| MEDICINE LAKE | Substation-Adjacent | MN | Hennepin County | 115 kV | 100 MW | 1.4 yrs | 72.7 |
| WEST FAIRBAULT | Substation-Adjacent | MN | Rice County | 115 kV | 100 MW | 1.4 yrs | 72.2 |
| INVER HILLS | Substation-Adjacent | MN | Dakota County | 345 kV | 600 MW | 1.4 yrs | 72.2 |
| CHUB LAKE | Substation-Adjacent | MN | Dakota County | 345 kV | 600 MW | 1.4 yrs | 71.9 |
| TAP138591 | Substation-Adjacent | MN | Dakota County | 115 kV | 100 MW | 1.4 yrs | 71.8 |
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 EMPIRE substation, Minnesota. 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.