EDWARDSPORT STATION IGCC
SubstationIllinois · DUKE ENERGY INDIANA, LLC
EDWARDSPORT STATION IGCC is an electric transmission substation in Illinois, operated by DUKE ENERGY INDIANA, LLC. It is classified as high-voltage (345 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 |
|---|---|---|---|---|
| #21649 | 345 kV | DUKE ENERGY INDIANA, LLC | IN SERVICE | 11.1 mi |
| #22565 | 345 kV | DUKE ENERGY INDIANA, LLC | IN SERVICE | 73.2 mi |
| #64078 | 345 kV | DUKE ENERGY INDIANA, LLC | — | 0.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of EDWARDSPORT STATION IGCC, 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 |
|---|---|---|---|---|---|---|---|
| AES Petersburg | Brownfield | IN | Pike | — | 805 MW | — | 71.7 |
| SULLIVAN | Substation-Adjacent | IN | Knox County | 765 kV | 1,000 MW | 4.6 yrs | 71.7 |
| MEROM STATION | Substation-Adjacent | IN | Sullivan County | 345 kV | 600 MW | 4.6 yrs | 70.6 |
| EDWARDSPORT STATION IGCC | Substation-Adjacent | IN | Knox County | 345 kV | 600 MW | 4.6 yrs | 69.8 |
| THOMPSON | Substation-Adjacent | IN | Pike County | 345 kV | 600 MW | 4.6 yrs | 69.1 |
| PETERSBURG STATION | Substation-Adjacent | IN | Martin County | 345 kV | 600 MW | 4.6 yrs | 68.8 |
| WHEATLAND STATION | Substation-Adjacent | IN | Knox County | 345 kV | 600 MW | 4.6 yrs | 68.7 |
| WORTHINGTON PRIMARY SUBSTATION | Substation-Adjacent | IN | Sullivan County | 345 kV | 600 MW | 4.6 yrs | 68.3 |
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 EDWARDSPORT STATION IGCC substation, Illinois. 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.