TAP139486
SubstationIllinois
TAP139486 is an electric transmission substation in Illinois. It is classified as sub-transmission (138 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
Ownership & operation
Operator not catalogued for this substation.
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP139486, 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 |
|---|---|---|---|---|---|---|---|
| BALDWIN STATION | Substation-Adjacent | IL | Randolph County | 345 kV | 600 MW | 4.8 yrs | 66.4 |
| PRAIRIE STATE STATION | Substation-Adjacent | IL | Washington County | 345 kV | 600 MW | 4.8 yrs | 61.3 |
| PINCKNEYVILLE STATION | Substation-Adjacent | IL | Perry County | 230 kV | 300 MW | 4.8 yrs | 59.9 |
| UNKNOWN121881 | Substation-Adjacent | IL | Jackson County | 138 kV | 100 MW | 4.8 yrs | 59.7 |
| UNKNOWN122403 | Substation-Adjacent | IL | Washington County | 230 kV | 300 MW | 4.8 yrs | 59.3 |
| EC Coal Jackson County | Greenfield | IL | Jackson County | — | — | 4.8 yrs | 57.7 |
| EC Coal Randolph County | Greenfield | IL | Randolph County | — | — | 4.8 yrs | 57.6 |
| EC Coal Randolph County | Greenfield | IL | Randolph County | — | — | 4.8 yrs | 57.5 |
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
Every site and score for TAP139486 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.