Electric Substations in Iowa
339 catalogued substations in Iowa, with the highest-voltage facilities listed first. Each substation profile shows voltage class, operator, connected transmission lines, and the datacenter candidate sites closest to it.
| Substation | Max voltage | Connected lines | Operator |
|---|---|---|---|
| TAP140530 | 345 kV | 1 | — |
| PIONEER PRAIRIE PHASE I | 345 kV | 2 | MIDAMERICAN ENERGY CO |
| SUB 39 | 345 kV | 5 | MIDAMERICAN ENERGY CO |
| FARGO 345 KV | 345 kV | 1 | AMEREN ILLINOIS COMPANY |
| IPAVA | 345 kV | 1 | — |
| CORDOVA ENERGY | 345 kV | 4 | COMMONWEALTH EDISON CO |
| BOONEVILLE | 345 kV | 5 | MIDAMERICAN ENERGY CO |
| LOUISA | 345 kV | 4 | MIDAMERICAN ENERGY CO |
| MADISON COUNTY | 345 kV | 3 | MIDAMERICAN ENERGY CO |
| MONTEZUMA SWITCHING STATION | 345 kV | 3 | MIDAMERICAN ENERGY CO |
| SUB 91 | 345 kV | 4 | MIDAMERICAN ENERGY CO |
| SYCAMORE | 345 kV | 7 | MIDAMERICAN ENERGY CO |
| OAK GROVE | 345 kV | 6 | MIDAMERICAN ENERGY CO |
| SALEM | 345 kV | 4 | MIDAMERICAN ENERGY CO |
| GREATER DES MOINES ENERGY CENTER | 345 kV | 4 | MIDAMERICAN ENERGY CO |
| TIFFIN | 345 kV | 3 | MIDAMERICAN ENERGY CO |
| OTTUMWA GENERATION STATION | 345 kV | 7 | MIDAMERICAN ENERGY CO |
| SANDBURG | 345 kV | 7 | AMEREN ILLINOIS COMPANY |
| ROLLING HILLS | 345 kV | 1 | MIDAMERICAN ENERGY CO |
| LEHIGH | 345 kV | 3 | MIDAMERICAN ENERGY CO |
| STERLING STEEL | 345 kV | 1 | COMMONWEALTH EDISON CO |
| NELSON | 345 kV | 1 | COMMONWEALTH EDISON CO |
| DES MOINES | 345 kV | 6 | MIDAMERICAN ENERGY CO |
| GRIMES | 345 kV | 6 | MIDAMERICAN ENERGY CO |
| QUAD CITIES | 345 kV | 6 | COMMONWEALTH EDISON CO |
| TAP137907 | 345 kV | 1 | — |
| HAZLETON | 345 kV | 8 | MIDAMERICAN ENERGY CO |
| ARNOLD | 345 kV | 7 | MIDAMERICAN ENERGY CO |
| WEBSTER | 345 kV | 6 | MIDAMERICAN ENERGY CO |
| BLACK HAWK | 345 kV | 6 | MIDAMERICAN ENERGY CO |
| BONDURANT | 345 kV | 6 | MIDAMERICAN ENERGY CO |
| ROCK CREEK | 345 kV | 4 | MIDAMERICAN ENERGY CO |
| SUB 92 | 345 kV | 3 | BOARD OF WATER ELECTRIC & COMMUNICATIONS |
| SE POLK | 345 kV | 6 | MIDAMERICAN ENERGY CO |
| NORWALK | 345 kV | 5 | MIDAMERICAN ENERGY CO |
| HILLS | 345 kV | 9 | MIDAMERICAN ENERGY CO |
| KOSSUTH | 345 kV | 2 | MIDAMERICAN ENERGY CO |
| O'BRIEN | 345 kV | 2 | MIDAMERICAN ENERGY CO |
| SUB T | 345 kV | 3 | MIDAMERICAN ENERGY CO |
| CENTURY | 161 kV | 3 | MIDAMERICAN ENERGY CO |
| CORALVILLE GT | 161 kV | 3 | MIDAMERICAN ENERGY CO |
| TAP138518 | 161 kV | 3 | UNION ELECTRIC CO - (MO) |
| RISER137658 | 161 kV | 2 | MIDAMERICAN ENERGY CO |
| TAP137712 | 161 kV | 3 | MIDAMERICAN ENERGY CO |
| REASNOR | 161 kV | 3 | MIDAMERICAN ENERGY CO |
| VIELE | 161 kV | 2 | UNION ELECTRIC CO - (MO) |
| RIVER HILLS | 161 kV | 3 | MIDAMERICAN ENERGY CO |
| RISER137659 | 161 kV | 2 | MIDAMERICAN ENERGY CO |
| BOONE JUNCTION | 161 kV | 4 | CITY OF AMES - (IA) |
| CALAMUS | 161 kV | 4 | MIDAMERICAN ENERGY CO |
| MAQUOKETA | 161 kV | 3 | — |
| FAIR STATION | 161 kV | 2 | MIDAMERICAN ENERGY CO |
| ANKENY | 161 kV | 2 | MIDAMERICAN ENERGY CO |
| TAP136984 | 161 kV | 3 | — |
| LIME CREEK | 161 kV | 6 | MIDAMERICAN ENERGY CO |
| LUNDQUIST | 161 kV | 3 | — |
| KILLDEER | 161 kV | 2 | ITC |
| EMERY STATION | 161 kV | 9 | ITC |
| DEWITT | 161 kV | 2 | MIDAMERICAN ENERGY CO |
| LORE | 161 kV | 4 | — |
See datacenter candidate sites in Iowa →
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for substations in 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.