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Gridcensus

Electric Substations in South Dakota

970 catalogued substations in South Dakota, 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
WATERTOWN345 kV2—
SPLIT ROCK345 kV13—
BROADLAND345 kV2—
BROOKINGS COUNTY345 kV6—
GROTON345 kV3—
FORT THOMPSON345 kV4—
UTICA JUNCTION230 kV8—
FORT RANDALL230 kV10—
SIOUX FALLS230 kV11—
VIRGIL FODNESS230 kV6—
WHITLOCK230 kV2—
HURON230 kV11—
LOOKOUT230 kV7—
BISON230 kV4—
VT HANLON230 kV7—
MAURINE230 kV4—
WEST HILL230 kV4—
LANGE230 kV2—
FORT THOMPSON230 kV16—
SULLY BUTTES230 kV4—
PHILIP230 kV5—
OAHE230 kV12—
YELLOW CREEK230 kV7—
TAP167694230 kV3—
RAPID CITY DC TIE230 kV3—
WATERTOWN230 kV9—
NEW UNDERWOOD230 kV7—
SOUTH RAPID CITY230 kV3—
LAKE PLATTE230 kV4—
GLENHAM230 kV4—
TAP159427115 kV3—
TAP135079115 kV3—
TAP159488115 kV2—
TAP143513115 kV3—
ABERDEEN115 kV5—
TAP155849115 kV2—
TAP159537115 kV3—
TAP143494115 kV4—
TAP138633115 kV3—
PATHFINDER115 kV2—
TAP138631115 kV3—
TAP138630115 kV3—
TAP138608115 kV3—
TAP144162115 kV3—
TAP159543115 kV3—
TAP138551115 kV3—
TAP138550115 kV3—
TAP144224115 kV3—
TAP138070115 kV3—
TAP138632115 kV3—
TAP138069115 kV3—
TAP138634115 kV3—
TAP144222115 kV3—
TAP138046115 kV3—
CORSON115 kV2—
SUMMIT115 kV5—
TAP144223115 kV3—
TAP138044115 kV3—
TAP138043115 kV3—
TAP144187115 kV3—

See datacenter candidate sites in South Dakota →

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 South Dakota. 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.