LASALLE
SubstationIllinois
At a glance
LASALLE is an electric transmission substation in Illinois. It is classified as unclassified and connects 0 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
No owner is recorded for the lines that connect here.
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of LASALLE, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN122269 | Substation-Adjacent | IL | Cook County | 345 kV | 600 MW | 4.8 yrs | 71.2 |
| UNKNOWN124436 | Substation-Adjacent | IL | Cook County | 345 kV | 600 MW | 4.8 yrs | 70.1 |
| UNKNOWN122285 | Substation-Adjacent | IL | Cook County | 345 kV | 600 MW | 4.8 yrs | 68.5 |
| ELMHURST | Substation-Adjacent | IL | DuPage County | 345 kV | 600 MW | 4.8 yrs | 66.7 |
| UNKNOWN124699 | Substation-Adjacent | IL | Cook County | 345 kV | 600 MW | 4.8 yrs | 66.7 |
| ITASCA | Substation-Adjacent | IL | DuPage County | 345 kV | 600 MW | 4.8 yrs | 66.6 |
| COMMONWEALTH EDISON DES PLAINES (345KV) | Substation-Adjacent | IL | Lake County | 345 kV | 600 MW | 4.8 yrs | 66.2 |
| PROSPECT HEIGHTS | Substation-Adjacent | IL | Lake County | 345 kV | 600 MW | 4.8 yrs | 66.1 |
How do candidate sites near LASALLE score?
The 8 highest-scoring candidate sites within about 25 miles range from 66 to 71 on the 0–100 DC Readiness scale. They fall in Cook County, DuPage County, Lake County. The Illinois average across 3,641 scored sites is 54.3. 795 of those Illinois sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to LASALLE substation?
0 transmission lines terminate at or pass through LASALLE in the HIFLD line data.
Where is LASALLE substation located?
LASALLE is in Illinois at 41.8729, -87.6314. The datacenter candidate sites closest to it are in Cook County, DuPage County, Lake County.
Are there datacenter candidate sites near LASALLE substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of LASALLE. The highest-scoring is UNKNOWN122269 at 71/100. Across Illinois, the average DC Readiness score is 54.3.
More in Illinois
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “LASALLE substation, Illinois”, https://gridcensus.com/substations/illinois/lasalle-824e4d1c (data as of June 29, 2026).
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
Every site and score for LASALLE substation, Illinois is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.