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Adams

Stanley

Greenwood

Loyal

Neillsville

OwenThorp

PortageBeaver Dam

FoxLake

Mayville

Waupun

Ripon

Crandon

Berlin

GreenLake

Markesan

Princeton

BlackRiverFalls

Elroy

Mauston

New Lisbon

Antigo

Merrill

Tomahawk

Abbotsford

Colby

Mosinee

Schofield

Wausau

Montello

Sparta

Tomah

Rhinelander

StevensPoint

Park Falls

Phillips

Reedsburg

Shawano

Medford

Hillsboro

Viroqua

Westby

EagleRiver

Clintonville

Manawa

Marion

New London

Weyauwega

Wautoma Omro

Oshkosh

Marshfield

Nekoosa

Pittsville

ST29

ST21

ST58

ST70

ST21

ST17

ST64

ST155

ST98

ST44

ST153

ST80

ST13

ST47

ST80

ST54

ST161

ST110

ST71

ST33

ST49

ST86

STB51

ST21

ST95

ST97

ST56

ST68

ST23

ST27

STB51

ST13

ST186

ST66

ST33

ST16

ST187

ST32

ST54

ST32

ST49

ST23

ST152

ST102

ST13

ST131

ST127

ST29

ST73

ST34

ST82

ST54

ST70

ST153

ST52

ST162

ST47

ST182

ST15

ST116

ST96

ST139

ST27

ST76ST13

ST16

ST73

ST73

ST64

ST22

ST91

ST55

ST146

ST70

ST17

ST73

ST52

ST82

ST156

ST29

ST73

ST111

ST107

ST49

ST26

ST173

ST33

ST22

ST55

ST22

ST64

§̈¦90

§̈¦39

§̈¦90

§̈¦41

§̈¦94

££45

££45

££45

££10

££12

££51

££8

££151

££14

££51

££12

££8

££8

££51

££10

Adams

Ashland

Clark

ColumbiaDodge

Florence

Fond Du Lac

Forest

Green Lake

Iron

Jackson

Juneau

Langlade

Lincoln

Marathon

Marquette

Menominee

Monroe

Oconto

Oneida

Outagamie

Portage

Price

Richland

Rusk

Sauk

Sawyer

Shawano

Taylor

Vernon

Vilas

Waupaca

Waushara

Winnebago

Wood

West Shawano

Sigel

Port Edwards

Arpin

Saratoga

WestWisconsin

Rapids

WinneconneWautoma

Sand Lake

Chaffee Creek

Iola

Caroline

HintzWerner

Badger

Whitcomb

Deer Trail

Rocky RunArnott

Rosholt(ALTE)

Ellington

Council Creek

Petenwell

Roeder

Green Lake

Berlin

Waupun

Metomen

Mayville

KilbournNorthRandolph

Trienda

White Lake

Hilltop(ALTE)

Castle RockMckenna

DPCWhistlingWings

Vesper

Wild Rose

Wittenberg

West Mauston

Wonewoc

Tomah Industrial Pk

Union Center

Rozellville

RiponInd Park

Rudolph

River Run

Shawano

Pittsville

Polar

Portage

PortageInd

Park

Randolph

Red Granite

Reedsburg

Ripon

Rosendale

NorthTomah

NorthwestRipon

Omro

Montello

Marion

Neenah Creek

Necedah

Neopit

Loch Mirror

LincolnPumpingStation

LyndonStation

Manawa

Markesan

Mauston

Hillsboro

FoxLake(ALTE)

FountainValley

Friendship

Hamilton St

Clintonville

Dell Creek

Brandon

BrooksCorners

Camp Douglas

Amherst Jct

Birnamwood

Auburndale

Bowler

Belle Plaine

ACECTurtleLake

East Shawano

Artesian

DPC LyndonStation

MackfordPrairie

Cambria

Hancock

Lake Delton

DPC OceanSpray

Dartford 12kVDorsetCorners

Silver Lake(ALTE)

Coyne St

MearsCorners

Ellinwood12th Ave

AviationFitzgerald

OshkoshPearl Ave

Progress

Sunset Point

HarrisonWaupaca

Cranberry

Plover

Golden Sands

Hoover

Northpoint

Whiting Ave

Venus

Clear Lake

Highway 8 Hodag

St Germain

Three Lakes

Wien Cassel

Kelly

Morrison Ave

Sherman St

Stratford

Weston

SkanawanSW STR

Eastom

Pine (WPS)Aurora St

McMillan

CWEC Tigerton

CWECWittenberg

CWEC Sannes

ACECPlainfield

ACECArrowhead

ACEC Chateau

ACEC Coloma

ACECFriendship

ACEC Glen

ACEC Grant

ACEC Quincy

ACEC Roslin

ACEC Sherwood

ACEC Wautoma

ACECWild Rose

Pump

ACEC Wildrose

ACEC Cambria

CWEC Almond

CWEC Dewey

Baker St

CWEC Iola

Rosholt (ATC)

ACEC Hancock

ACEC Brooks

ACEC Lewiston

ACEC Richford ACECSpringLake

ACECWinnebago

Maine

Vulcan Chem

Wildwood(MEWD)

Sanborn

RhinelanderPaper

Pardeeville

MosineePaper Mill

Kronen

ACECCottonville

LakeheadPortage

LakeheadVesper

Hilltop(WPS)

Hume

Koch Oil

GrandfatherFalls Hydro

ConsulatedWaterPower (rrn)

Cloverleaf

Grand MarshDPC NewLisbon

WisconsinDells

Muni 1WisconsinDells Muni 2

CardinalGlassTomah

Middle Vlg

Westfield

T Corners

Birchwood

Endeavor Alto

Houghton Rock

DPC Buckhorn

Antigo

Babock

Big Pond

Clifton Lake

CBPC Dover

Eagle River

Flare Ave

Fox Hills

Groenier

Hartman Creek

Hollywood

Plainfield(ALTE)

Summit Lake

Adams Line 61

WaupunMainWaupun PrisonWaupun Westside

DPC Elroy

Zobel

Sunnyvale

Sheridan(ALTE)

ReedsburgNishan

Gardner Park

DPC Oakdale

OmroIndustrial

Okray

Friesland

Tomahawk

Fairwater

GrandfatherFalls

Werner West

Highway 22

Metonga

Armenia

Coloma

Monroe County

Didion

Warrens

Badger West

Platt

Staff

Finnegan

Mill Creek

HarrisonNorth

Woodmin

Timberwolf

Tunnel City

Cedar Creek

Oxford

Guenther

Richfield

Dellwood

ComTech

Waupun Southside

WestfieldNorth Sw Str

LakeheadPortage

Pump Sta

Ackley

ACECSpringwater

Dartford24kV

TomahFiber Regen

Homme

Marsh View

Mudwater

P L A N N I N G Z O N E 1

2020 10-YearAssessment Projects

Currently, ATC owns or operates transmission facilities in Wisconsin, Illinois, Minnesota, and the Upper Peninsula ofMichigan. Facilities include: * Approximately 9440 miles of transmission lines * 96 wholly owned substations * 419 jointly owned substations * ATC offices in Cottage Grove, Pewaukee,DePere, and Kingsford, MI

The information presented in this map documentis advisory and is intended for reference purposesonly. American Transmission Company owned andoperated facility locations are approximate.Depending on the status of the projects shown,the transmission line additions may be for illustrativepurposes only and may not reflect the actual routes.

#*#*Duluth

Hermantown

ProctorSuperior

HaywardBurnett

Douglas

Washburn

St.Louis

Arrowhead 345/230 kVArrowhead

to La Crossearea

!1!6

!8

!2

!5

!3

!7

!4

System Solutions KeyExisting Transmission Lines Key

161 kV

345 kV

Multi-Circuit - Color denotes kV

69 kV

345 kV Maintained by Others

Underground - Color denotes kV

230 kV

115 kV138 kV

Substation Key

¬«SS

¬«SM

¬«T

¬«T-D

¬«TL

¬«T-T

¬«ES

¬«G-T

New SubstationSubstation ModificationTransformerT-D InterconnectionTransmission LineT-T InterconnectionEnergy StorageG-T Interconnection

¬«C Capacitor Bankor Reactor

Transmission Line Key

" " " "

!( !( !( !(

Voltage Conversion

Rebuilt / ReconductoredTransmission LineLine Rating Upgrade

New Transmission Line

Communication

Color denotes kV forboth Substation and Transmission

To avoid clutter, map does not show2026+ and some lower cost projects