Electric Substations in Wisconsin
768 named substations in Wisconsin, with the highest-voltage facilities listed first. Each substation profile shows voltage class, connected transmission lines, and the datacenter candidate sites closest to it.
At a glance
Wisconsin has 1,930 electric substation records in the HIFLD dataset, 768 of them with a station name (the other 1,162 are unnamed tap points, risers and line ends). 34 named substations operate at 345 kV or above. The highest recorded voltage is 345 kV and the median is 115 kV.
How is Wisconsin's substation network split by voltage?
By maximum voltage, the named substations break down as 34 at 345–499 kV; 2 at 230–344 kV; 334 at 115–229 kV; 340 at 69–114 kV; 8 below 69 kV; 50 withvoltage not recorded. 4% of Wisconsin's named substations operate at 345 kV or above, against 8% across all 16,654 named US substations. The state median of 115 kV is level with the national median of 115 kV.
How does Wisconsin compare with other states?
Wisconsin ranks 5th of 50 states and DC by number of named substations and 12th by named substations at 345 kV or above. It also has 3,340 scored datacenter candidate sites with an average DC Readiness score of 55.4 (national average 53), and an average power sub-score of 38.1 against 37.4 nationally. Most of those sites (3,326) are in the MISO market.
Which substations in Wisconsin have the highest voltage?
| Substation | Max voltage | Connected lines | Line owner |
|---|---|---|---|
| ARCADIAN | 345 kV | 8 | AMERICAN TRANSMISSION CO |
| ARPIN | 345 kV | 5 | AMERICAN TRANSMISSION CO |
| BAIN | 345 kV | 5 | AMERICAN TRANSMISSION CO |
| BRANCH RIVER | 345 kV | 2 | AMERICAN TRANSMISSION CO |
| BRIGGS ROAD | 345 kV | 6 | NORTHERN STATES POWER CO - WISCONSIN |
| CARDINAL | 345 kV | 5 | AMERICAN TRANSMISSION CO |
| CAROLINE | 345 kV | 4 | AMERICAN TRANSMISSION CO |
| CEDARSAUK | 345 kV | 13 | AMERICAN TRANSMISSION CO |
| CHRISTIANA | 345 kV | 9 | AMERICAN TRANSMISSION CO |
| COLUMBIA | 345 kV | 10 | AMERICAN TRANSMISSION CO |
| CYPRESS | 345 kV | 3 | AMERICAN TRANSMISSION CO |
| EDGEWATER STATION | 345 kV | 8 | AMERICAN TRANSMISSION CO |
| FITZGERALD | 345 kV | 4 | AMERICAN TRANSMISSION CO |
| FOREST JUNCTION | 345 kV | 11 | AMERICAN TRANSMISSION CO |
| FOX RIVER STATION | 345 kV | 4 | AMERICAN TRANSMISSION CO |
| GARDNER PARK | 345 kV | 9 | AMERICAN TRANSMISSION CO |
| GRANVILLE | 345 kV | 10 | AMERICAN TRANSMISSION CO |
| HIGHWAY 22 | 345 kV | 3 | AMERICAN TRANSMISSION CO |
| KEWAUNEE | 345 kV | 5 | AMERICAN TRANSMISSION CO |
| KITTYHAWK | 345 kV | 2 | AMERICAN TRANSMISSION CO |
| MORGAN | 345 kV | 7 | AMERICAN TRANSMISSION CO |
| NORTH APPLETON | 345 kV | 13 | AMERICAN TRANSMISSION CO |
| NORTH MADISON 345/138KV | 345 kV | 6 | AMERICAN TRANSMISSION CO |
| OAK CREEK STATION | 345 kV | 14 | AMERICAN TRANSMISSION CO |
| PADDOCK | 345 kV | 6 | AMERICAN TRANSMISSION CO |
| PLEASANT PRAIRIE | 345 kV | 7 | AMERICAN TRANSMISSION CO |
| POINT BEACH STATION | 345 kV | 5 | AMERICAN TRANSMISSION CO |
| RACINE | 345 kV | 7 | AMERICAN TRANSMISSION CO |
| ROCKY RUN | 345 kV | 8 | AMERICAN TRANSMISSION CO |
| SHEBOYGAN FALLS STATION | 345 kV | 3 | AMERICAN TRANSMISSION CO |
| SOUTH FOND DE LAC | 345 kV | 9 | AMERICAN TRANSMISSION CO |
| STONE LAKE | 345 kV | 8 | NORTHERN STATES POWER CO - WISCONSIN |
| WERNER WEST | 345 kV | 6 | AMERICAN TRANSMISSION CO |
| WHITCOMB | 345 kV | 3 | AMERICAN TRANSMISSION CO |
| BLUEMOUND | 230 kV | 13 | AMERICAN TRANSMISSION CO |
| ELM ROAD | 230 kV | 4 | AMERICAN TRANSMISSION CO |
| APPLE RIVER | 161 kV | 6 | NORTHERN STATES POWER CO - WISCONSIN |
| BARRON | 161 kV | 7 | NORTHERN STATES POWER CO - WISCONSIN |
| COULEE AVE | 161 kV | 4 | NORTHERN STATES POWER CO |
| DPC BELL CENTER | 161 kV | 7 | NORTHERN STATES POWER CO - WISCONSIN |
| GENOA | 161 kV | 8 | NORTHERN STATES POWER CO - WISCONSIN |
| GINGLES | 161 kV | 5 | NORTHERN STATES POWER CO - WISCONSIN |
| GRAN GRAE | 161 kV | 4 | AMERICAN TRANSMISSION CO |
| JACKSON COUNTY | 161 kV | 3 | NORTHERN STATES POWER CO - WISCONSIN |
| MONROE | 161 kV | 5 | NORTHERN STATES POWER CO - WISCONSIN |
| NELSON DEWEY SW YD | 161 kV | 6 | AMERICAN TRANSMISSION CO |
| RADISSON | 161 kV | 5 | NORTHERN STATES POWER CO - WISCONSIN |
| SEVEN MILE | 161 kV | 6 | NORTHERN STATES POWER CO - WISCONSIN |
| STINSON | 161 kV | 4 | NORTHERN STATES POWER CO - WISCONSIN |
| TREMVAL | 161 kV | 7 | NORTHERN STATES POWER CO - WISCONSIN |
| 28TH ST | 138 kV | 3 | AMERICAN TRANSMISSION CO |
| 43RD ST TERMINAL | 138 kV | 4 | AMERICAN TRANSMISSION CO |
| 68TH STREET | 138 kV | 2 | AMERICAN TRANSMISSION CO |
| 7TH STREET | 138 kV | 2 | AMERICAN TRANSMISSION CO |
| 96TH ST | 138 kV | 8 | AMERICAN TRANSMISSION CO |
| ACADEMY | 138 kV | 4 | AMERICAN TRANSMISSION CO |
| ACEC AFRIESLAND | 138 kV | 2 | AMERICAN TRANSMISSION CO |
| ACEC CAMBRIA | 138 kV | 3 | AMERICAN TRANSMISSION CO |
| ACEC LEWISTON | 138 kV | 1 | AMERICAN TRANSMISSION CO |
| AIR LIQUIDE | 138 kV | 1 | AMERICAN TRANSMISSION CO |
Every named substation in Wisconsin
All 768 named substations, grouped by voltage band.
345–499 kV · 34
- ARCADIAN
- ARPIN
- BAIN
- BRANCH RIVER
- BRIGGS ROAD
- CARDINAL
- CAROLINE
- CEDARSAUK
- CHRISTIANA
- COLUMBIA
- CYPRESS
- EDGEWATER STATION
- FITZGERALD
- FOREST JUNCTION
- FOX RIVER STATION
- GARDNER PARK
- GRANVILLE
- HIGHWAY 22
- KEWAUNEE
- KITTYHAWK
- MORGAN
- NORTH APPLETON
- NORTH MADISON 345/138KV
- OAK CREEK STATION
- PADDOCK
- PLEASANT PRAIRIE
- POINT BEACH STATION
- RACINE
- ROCKY RUN
- SHEBOYGAN FALLS STATION
- SOUTH FOND DE LAC
- STONE LAKE
- WERNER WEST
- WHITCOMB
115–229 kV · 334
- APPLE RIVER
- BARRON
- COULEE AVE
- DPC BELL CENTER
- GENOA
- GINGLES
- GRAN GRAE
- JACKSON COUNTY
- MONROE
- NELSON DEWEY SW YD
- RADISSON
- SEVEN MILE
- STINSON
- TREMVAL
- 28TH ST
- 43RD ST TERMINAL
- 68TH STREET
- 7TH STREET
- 96TH ST
- ACADEMY
- ACEC AFRIESLAND
- ACEC CAMBRIA
- ACEC LEWISTON
- AIR LIQUIDE
- ALBANY
- ALBERS
- ALLERTON
- AMBERG
- AMERICAN
- APPLE HILLS
- ARNOTT
- ARTESIAN
- ARTHUR ROAD
- ASHLAND AVE
- ASPEN
- AUBURN
- AVIATION
- BADGER
- BADGER WEST
- BALSAM
- BARK RIVER
- BARLAND
- BARTON
- BASS CREEK
- BAYPORT SW STA
- BEAVER DAM EAST
- BIRCHWOOD
- BLACKHAWK SW YD
- BLOUNT
- BLUFF CREEK
- BOC GASSES
- BRANCH
- BRICK CHURCH
- BRISTOL
- BROOKDALE
- BURLINGTON
- BUTLER
- BUTLER RIDGE
- BUTTE DES MORTS
- BUTTERNUT
- CAMBRIDGE
- CANAL
- CASALOMA
- CEDAR RIDGE WIND (ALTE)
- CEDARBURG SOUTH
- CITY LIMITS
- CLINTONVILLE
- CLOVERLEAF
- COLLODAY POINT
- COMBINED LOCKS
- CONCORD SW YD
- COONEY
- CORNELL-MILWAUKEE
- COTTONWOOD
- COUNCIL CREEK
- CRAWFISH RIVER
- CRIVITZ
- CROSS COUNTRY
- CUSTER TERM
- DARLINGTON
- DELAVAN
- DELL CREEK
- DUPLAINVILLE
- DYCKESVILLE
- EAST BELOIT
- EAST KROK
- EAST SHAWANO
- EASTMAN
- EDEN
- EDGEWOOD
- ELKHART LAKE
- ELKHORN
- ELLINGTON
- ELLINWOOD
- ERDMAN
- FALLS
- FEMRITE
- FINNEGAN
- FIREBANTZ
- FITCHBURG
- FOREST
- FORT ATKINSON
- FORWARD ENERGY CENTER
- FOUNTAIN PRAIRIE
- FOX HILLS
- FOX LAKE
- FREDONIA
- GERMANTOWN SW YD
- GLACIER
- GLENVIEW
- GLORY RD
- GOLDEN SANDS
- GREEN LAKE SW STA
- GREENLEAF
- HAMILTON ST
- HARRISON NORTH 138KV
- HARTFORD
- HARTMAN CREEK
- HAYES
- HIGHWAY V
- HILLMAN
- HINTZ
- HOLLAND
- HOLLYWOOD
- HOOVER
- HOWARD
- HOWARDS GROVE
- HUBBARD
- HUISKAMP
- HUMBOLT TERM
- HUSTISFORD
- IOLA
- JAMES ST
- JANESVILLE GENERAL
- JANESVILLE GENERAL SW YD
- JEFFERSON
- KANSAS
- KAUKAUNA
- KAUKAUNA NORTH
- KEGONSA
- KENOSHA
- KETTLE MORRAINE
- KIRKWOOD
- KOHLER
- LAKE PARK
- LAKEHEAD
- LAKEHEAD CAMBRIDGE
- LAKEHEAD DELAVAN
- LAKEHEAD VESPER
- LAKEVIEW
- LAKOTA ROAD
- LANCASTER
- LAWN ROAD
- LEDGEVIEW
- LIBERTY STREET
- LOCH MIRROR
- LONDON
- LOST DAUPHIN
- LYNDON
- MAES
- MAPLEWOOD
- MARINE
- MARTIN ROAD
- MASON ST
- MCFARLAND
- MEADOWS
- MEARS CORNERS
- MELISSA
- MEQUON
- MERRILL HILLS
- METOMEN
- MEYER RD
- MISHICOT
- MUKONAGO
- MULLET RIVER
- MYSTERY HILLS
- NEEVIN
- NIAGRA PAPER OF WISCONSIN
- NICHOLSON
- NORTH BEAVER DAM
- NORTH FOND DU LAC
- NORTH GATE RIVERSIDE (ALTE)
- NORTH LAKE GENEVA
- NORTH MONROE
- NORTH RANDOLPH
- NORTHSIDE
- NORTHWEST BELOIT
- NORWICH
- NORWICH TERMINAL
- O CONNOR
- OAK RIDGE
- OAK ST
- OCONTO
- OHMSTEAD
- ONTARIO
- PARIS
- PARK HILL
- PARKLAND
- PENNSYLVANIA
- PETENWELL
- PIONEER
- PLEASANT VALLEY
- PLEASANT VIEW
- PLYMOUTH SUB 4
- PORT EDWARDS
- PORT WASHINGTON SW YD
- PORTAGE
- POTOSI
- PREBLE
- PROGRESS
- PULLIAM SW YD
- RAMSEY
- RANGE LINE SW
- RAYMOND
- REC BRADFORD
- REC LAPRAIRIE
- RED MAPLE
- REEDSBURG NISHAN
- REINER ROAD
- RIENZI
- RIVER BEND
- ROCK RIVER
- ROCK SPRINGS
- ROCKDALE
- ROCKLAND (WPS)
- ROEDER
- ROOSEVELT RD
- ROOT RIVER
- ROSIERE
- RUBICON
- RUSSEL TERM
- RUSSELL
- SAND LAKE
- SARATOGA
- SHERIDAN (ALTE)
- SHERWOOD
- SHOTO
- SIDNEY TERM
- SIGEL
- SOMERS
- SOUTH BROADWAY
- SOUTH SHEBOYGAN FALLS
- SOUTHWEST DELAVAN
- SPRECHER
- SPRING GREEN
- SPRING VALLEY (WE)
- ST. LAWRENCE
- ST. MARTINS
- ST. RITA
- STILES SW STA
- STONY BROOK
- SUAMICO
- SUGAR CREEK
- SUMMIT
- SUNRISE
- SUNSET POINT
- SUSSEX
- SWAN
- SYCAMORE
- TAMARACK
- TAYCO
- TECUMSEH RD
- TICHIGAN
- TOSA
- TOWER DR
- TRIENDA
- TRIPP RD
- TROY
- TURTLE
- TWIN LAKE
- TYRANENA
- UNIVERSITY (WE)
- VAN BUREN ST
- VELP AVE
- VERONA
- VIENNA
- WALKER
- WAUKESHA
- WAUPACA
- WAUTOMA
- WERNER
- WEST DARIEN
- WEST JUNCTION
- WEST MARINETTE SW YD
- WEST SHAWANO
- WEST TOWNE
- WHITE CLAY
- WHITE LAKE
- WHITEWATER
- WILCOX
- WILLIAMS BAY
- WOODENSHOE
- WYOMING VALLEY
- YAHARA RIVER
- ZOBEL
- ACKLEY
- ANTIGO
- AURORA ST
- BAKER ST
- BLACKBROOK SW STA
- BUNKER HILL
- CASSEL
- CLEAR LAKES (WPS)
- CWEC DEWEY
- EAGLE RIVER
- EASTOM
- GRANDFATHER FALLS
- HIGHWAY EIGHT
- HILLTOP (WPS)
- HODAG
- HUME
- HURLEY
- KELLY
- MAINE
- MCMILLAN
- METONGA
- MORRISON AVE
- NORTHERN STEEL CASTING
- NORTHPOINT
- PINE (WPS)
- PLOVER
- RHINELANDER PAPER
- SHERMAN ST
- ST GERMAIN
- STRATFORD
- SUMMIT LAKE (WPS)
- SUNNYVALE
- T CORNERS
- THREE LAKES
- TOMAHAWK-ATC 115KV
- VENUS
- WHITING AVE
- WIEN
- WILDWOOD (MEWD)
69–114 kV · 340
- 12TH AVE
- 20TH ST
- ACEC ARROWHEAD
- ACEC BROOKS
- ACEC CALAMUS
- ACEC CHATEAU
- ACEC COLOMA
- ACEC COTTONVILLE
- ACEC DELLWOOD
- ACEC DOYLESTOWN
- ACEC FRIENDSHIP
- ACEC GLEN
- ACEC GRANT
- ACEC QUINCY
- ACEC ROSLIN
- ACEC SHERWOOD
- ACEC SPRING LAKE
- ACEC TURTLE LAKE
- ACEC WAUTOMA
- ACEC WILD ROSE PUMP
- ACEC WILDROSE
- ACEC WINNEBAGO
- ADAMS ST
- ALGOMA
- ALGOMA CITY
- ALTO
- AMHERST JCT
- ARENA
- ARLINGTON
- AUBURNDALE
- AVOCA
- BADGER PUMP STA
- BARABOO
- BARNETT
- BEARDSLEY ST
- BEAVER DAM 3RD ST
- BELLEVILLE
- BELMONT
- BELOIT GATEWAY
- BENTON
- BERLIN
- BERNIS
- BIRD ST
- BLACK EARTH
- BLACKHAWK
- BLACKSMITH
- BLANCHARDVILLE
- BLOOMINGTON
- BLUE RIVER
- BLUESTONE
- BLUFF VIEW
- BOOSTER
- BOSCOBEL
- BOWEN STREET
- BOYD
- BRANDON
- BRIAMWOOD
- BRISBOIS
- BRODHEAD
- BRODHEAD CENTRAL
- BRODHEAD NORTH
- BRODHEAD SOUTH
- BRODHEAD SW STA
- BROOKLYN
- BROOKS CORNERS
- BROWNTOWN
- BURKE
- CALDRON FALLS HY
- CALEDONIA (ALTE)
- CAMBRIA
- CAMP DOUGLAS
- CARDINAL
- CARDINAL GLASS TOMAH
- CASTLE ROCK
- CEDAR CREEK
- CENTENNIAL PARK
- CENTER ST
- CHAFFEE CREEK
- CLINTON (ATLE)
- COBBLESTONE
- COLOMA
- COLORADO
- COLUMBUS MUNI 1
- COLUMBUS SOUTH
- COLUMBUS ST
- CONOVER
- COTTAGE GROVE
- CRANSTON
- CUBA CITY
- CUBA CITY SOUTH
- CUSTER
- CWEC IOLA
- CWEC SCANDINAVIA
- CWEC TIGERTON
- CWEC WHITTENBERG
- DAM HEIGHTS
- DANA CORP
- DANE
- DANZ AVE SW STA
- DAVES FALLS
- DEER TRAIL
- DEFOREST
- DEWEY
- DIDION
- DODGEVILLE
- DORSET CORNERS
- DPC ARGYLE
- DPC BUCKHORN
- DPC ELROY
- DPC ELROY
- DPC GRADIOT
- DPC LYNDON STATION
- DPC NEW LISBON
- DPC OAKDALE
- DPC PLATTEVILLE
- DPC PRAIRIE DU CHIEN
- DPC SHULLSBURG
- DPC WHISTLING WINGS
- DPS OCEAN SPRAY
- DUNN RD
- EAGLE
- EAST CAMPUS
- EAST SCOTT ST
- EGG HARBOR
- ELK MOUND
- ENDEAVOR
- EVANSVILLE MUNI
- FAIRWATER
- FINGER RD SW STA
- FIRST AVE
- FLARE AVE
- FLORENCE
- FOOTVILLE
- FORD DRIVE
- FORGE 2
- FORWARD
- FOUNTAIN VALLEY
- FOX RIVER
- FRIENDSHIP
- GASTON RD
- GATEWAY
- GAY MILLS
- GLEN HAVEN
- GOODMAN
- GRAND MARSH
- GRAVESVILLE
- GROENIER
- HAMPDEN
- HARRISON 69KV
- HICKORY ST
- HIGH FALLS HY
- HILLSBORO
- HILLSIDE
- HILLTOP (ALTE)
- HOOTERVILLE
- HORICON
- HOUGHTON ROCK
- HUEBNER
- IDLE HOUR
- INDUSTRIAL
- ISLAND
- JAMES OLSON
- JENNINGS RD SW STA
- KATZENBERG
- KELLNERSVILLE
- KIELER
- KING
- KOCH OIL
- LA POINTE
- LADYSMITH HYDRO
- LAKE GENEVA
- LAKEHEAD PORTAGE
- LAMAR
- LANCASTER DISTRIBUTION
- LANDS END
- LENA
- LINCOLN PUMP STA
- LODI
- LODI INDUSTRIAL PARK
- LOGANVILLE
- LONE ROCK
- LUXEMBURG 24.9
- LYNDON STATION
- MACKFORD PRAIRIE
- MACY ST
- MANAWA
- MAPLE STREET
- MARION
- MARKESAN
- MAUSTON
- MAYVILLE
- MAZOMANIE
- MCGREGOR (ALTE)
- MCKENNA
- MERCURY MARINE
- MERRIMAC
- MICHIGAN ST
- MILTON LAWNS
- MINER
- MINERAL POINT
- MONROE CENTRAL
- MONTELLO
- MONTICELLO (ALTE)
- MOORE ST
- MOUNT HOREB
- MOUNTAIN
- MPU PLANT
- MUSCODA
- MUSCODA INDUSTRIAL SUB
- NECEDAH
- NEENAH CREEK
- NEW GLARUS
- NEW HOLLANDALE
- NEW HOLSTEIN SW STA
- NICOLET PAPER CO
- NINE SPRINGS
- NORTH GATE
- NORTH MADISON
- NORTH SIDE
- NORTH STOUGHTON
- NORTH TOMAH
- NORTHEAST
- NORTHSIDE
- NORTHWEST RIPON
- OGDEN ST
- OKEE
- OMRO
- OMRO INDUSTRIAL PARK
- OREGON
- ORFORDVILLE
- OSHKOSH
- PARDEVILLE
- PEARL AVE
- PHEASANT BRANCH
- PINE RIVER (ALTE)
- PIONEER(ALTE)
- PITTSVILLE
- PLATT
- PLYMOUTH SUB 3
- POLAR
- POUND
- POYNETTE
- PRAIRIE DU SAC 9TH ST
- RANDOLPH
- RAPIDS
- REC CENTER
- REC CLINTON
- REC FULTON
- REC HARMONY
- REC NEWARK
- REC ORFORDVILLE
- REC RED HAWK
- RED GRANITE
- REDWOOD
- REEDSBURG
- REVERE DR
- REWEY
- RICHFORD
- RICHLAND
- RICHMOND ROAD
- RIPON
- RIPON IND PARK
- RIVER RUN
- ROBERT J BREWER
- ROCK BRANCH
- ROSENDALE
- ROSHOLT
- ROSHOLT CWEC
- ROYSTER
- ROZELLVILLE
- RUSKIN
- SANBORN
- SANDSTONE RAPIDS HY
- SAUK CITY PHILLIPS ST
- SAUK PRARIE
- SAUK TRAIL
- SAUNDERS CREEK
- SCOT
- SCOTT PAPER CO
- SENECA
- SEVEN MILE
- SHARON
- SHULLSBURG
- SILVER CLIFF
- SILVER LAKE (ALTE)
- SISTER BAY
- SOBIESKI
- SOUTH BEAVER DAM
- SOUTH LAKE GENEVA
- SOUTH MONROE
- SPARTA
- SPRING BROOK
- SPRING GROVE
- ST NAZIANZ
- STAGE COACH SW STA
- STOUGHTON
- STOUGHTON EAST
- STOUGHTON SOUTH
- SUN PRAIRIE
- SUN VALLEY
- SYENE
- THUNDER
- TIGER
- TIMBERWOLF
- TOKAY
- TOKEN CREEK
- TOMAH INDUSTRIAL PK
- TOWER SUBSTATION
- TWIN LAKES (ALTE)
- UNION CENTER
- UNION TOWNLINE
- UNIVERSITY (WPS)
- VESPER
- VINBURN
- WALLY ROAD
- WALNUT
- WALWORTH
- WARRENS
- WAUNAKEE MUNICIPAL 2
- WAUNAKEE MUNICIPAL 2
- WAUPUN
- WAUPUN MAIN
- WAUZEKA
- WELLS ST
- WESMARK
- WEST MAUSTON
- WEST MIDDLETON
- WEST SALEM
- WESTFIELD
- WESTPORT
- WICK DRIVE
- WILD ROSE
- WILLOW LAWN
- WINGRA
- WINNECONNE
- WIOTA
- WITTENBERG
- WONEWOC
- WYOCENA
- ZENDA
voltage not recorded · 50
- BARKSDALE
- BAYFRONT
- BELLE PLAINE
- BOSCOBEL MUNI
- BRUSBAY
- BUSINESS PARK
- CENTER
- COLUMBUS (ALTE)
- COYNE ST
- DEPERE
- EVERETT
- FALL RIVER
- FEMRITE 138/69 KV
- FISH CREEK
- GLENDALE
- HARBOR (WE)
- HARTLAND
- HAYMARKET SQUARE
- HENRY ST (WPS)
- HIGH BRIDGE
- INO PUMP
- IRON BELT
- LAFAYETTE
- LINCOLN
- MANLEY SAND
- MAPLE (WE)
- MAZOMANIE INDUSTRIAL
- MELLEN
- MILL ROAD
- MONTANA
- MOORLAND
- MOUNT PLEASANT
- NORTH MULLET RIVER
- OKRAY
- PORT WING
- PORTAGE IND PARK
- RANGE LINE DIST
- RAYMOND
- SAXON PUMP
- SHOREWOOD
- TIBBITS
- UKNOWN
- VALLEY (WE)
- VIKING
- WALKER
- WASCOTT
- WATERLOO
- WAUNAKEE IND PARK
- WEST WISCONSIN RAPIDS
- WESTONE SW YD
Frequently asked questions
How many electric substations are in Wisconsin?
HIFLD records 1,930 substations in Wisconsin, of which 768 carry a station name. That is the 5th-most named substations of any state in the dataset.
What is the highest-voltage substation in Wisconsin?
34 named substations in Wisconsin share the top voltage of 345 kV, including ARCADIAN, ARPIN, BAIN.
Which substation in Wisconsin connects the most transmission lines?
OAK CREEK STATION has the most connected transmission lines of the named substations listed here, with 14 at up to 345 kV.
How many substations in Wisconsin are 345 kV or higher?
34 of 768 named substations (4%) operate at 345 kV or above, compared with 8% nationally. Wisconsin ranks 12th of 50 states and DC for named substations at that level.
How many datacenter candidate sites in Wisconsin are at substations?
1,248 of the 3,340 scored candidate sites in Wisconsin are substation sites — locations generated at an existing substation. Scored sites across Wisconsin average 55.4 on the 0–100 DC Readiness scale, against 53 nationally.
Looking for a specific record? The directory lists every substation in Wisconsin, A to Z.
More on Wisconsin, and states with similar counts
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Electric substations in Wisconsin”, https://gridcensus.com/substations/wisconsin (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for substations in Wisconsin is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.