TAP137918
SubstationIowa · COMMONWEALTH EDISON CO
TAP137918 is an electric transmission substation in Iowa, operated by COMMONWEALTH EDISON CO. It is classified as sub-transmission (138 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 |
|---|---|---|---|---|
| #36009 | 161 kV | COMMONWEALTH EDISON CO | IN SERVICE | 15.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP137918, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN122189 | Substation-Adjacent | IA | Clinton County | 345 kV | 600 MW | 1.4 yrs | 76.6 |
| STERLING STEEL | Substation-Adjacent | IL | Whiteside County | 345 kV | 600 MW | 1.4 yrs | 73.1 |
| ROCK CREEK | Substation-Adjacent | IA | Clinton County | 345 kV | 600 MW | 1.4 yrs | 72.4 |
| UNKNOWN122187 | Substation-Adjacent | IA | Clinton County | 161 kV | 100 MW | 1.4 yrs | 70.7 |
| UNKNOWN121972 | Substation-Adjacent | IA | Scott County | 161 kV | 100 MW | 1.4 yrs | 70.3 |
| QUAD CITIES | Substation-Adjacent | IA | Clinton County | 345 kV | 600 MW | 1.4 yrs | 69.3 |
| TAP137918 | Substation-Adjacent | IL | Carroll County | 161 kV | 100 MW | 2.2 yrs | 68.2 |
| Greenfield (QUAD CITIES - SUB 91) | Greenfield | IA | Scott County | 345 kV | 600 MW | 1.4 yrs | 67.8 |
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 TAP137918 substation, Iowa. 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.