Skip to content
Gridcensus

Electric Substations in Iowa

1,368 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.

SubstationMax voltageConnected linesOperator
WALTER SCOTT ENERGY CENTER345 kV7—
PIONEER PRAIRIE PHASE I345 kV5—
SE POLK345 kV6—
O'BRIEN345 kV3—
ROLLING HILLS345 kV2—
ARNOLD345 kV7—
WEBSTER345 kV6—
BONDURANT345 kV6—
NORWALK345 kV5—
KOSSUTH345 kV3—
SUB T345 kV3—
SUB 92345 kV3—
GRIMES345 kV7—
ROCK CREEK345 kV4—
HAZLETON345 kV8—
LEHIGH345 kV4—
TIFFIN345 kV3—
MONTEZUMA SWITCHING STATION345 kV3—
HILLS345 kV9—
MADISON COUNTY345 kV3—
LOUISA345 kV4—
OTTUMWA GENERATION STATION345 kV7—
SALEM345 kV5—
SYCAMORE345 kV10—
BOONEVILLE345 kV6—
GREATER DES MOINES ENERGY CENTER345 kV4—
TAP137907345 kV1—
SUB 91345 kV4—
RAUN345 kV13—
SIOUX CITY345 kV5—
BLACK HAWK345 kV6—
DEWITT161 kV2—
FORT DODGE161 kV3—
RISER137658161 kV2—
ANITA161 kV3—
RISER137656161 kV2—
RISER137659161 kV2—
COFFEY161 kV3—
VINTON161 kV3—
WINTERSET JUNCTION161 kV2—
LORE161 kV8—
LUNDQUIST161 kV3—
MAQUOKETA161 kV4—
DYSART161 kV2—
TAP137690161 kV3—
BOONE161 kV2—
DES MOINES161 kV8—
ATLANTIC161 kV4—
TAP137703161 kV3—
LIME CREEK161 kV6—
TAP136964161 kV3—
TAP136984161 kV3—
TAP136991161 kV3—
EARLHAM161 kV2—
WYOMING161 kV2—
WASHBURN161 kV3—
CALAMUS161 kV4—
TAP137004161 kV3—
PLYMOUTH161 kV9—
GRAND JUNCTION161 kV4—

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 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.