Texas North Transmission Improvements

WEATHERLY SUBWEATHERLY SUBWEATHERLY SUB

WEATHERLY SUB

Amarillo

EnglewoodElkhart

GateKnowles

Forgan

Beaver

Tyrone

Hooker

Hardesty

Optima

Guyman

Goodwell

Keyes

Boise City

Texhoma

Dalhart

Stratford

CactusSunray

Dumas

Gruver

Spearman

Perryton

Booker Darrouzett Follett

Higgins

Canadian

Channing

Vega

Adrian

Fritch Borger

Stinnett

Sanford

Panhandle

White Deer

Groom

Pampa

Mclean

Miami

Mobeetie

Wheller

Shamrock

Valero

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

T.C.

PerrytonInterchange

N.P.N.P.

N.P.

N.P.N.P.N.P.

N.P. N.P.

N.P.

N.P.

N.P.

N.P.

SpearmanInterchange

N.P.

N.P.

PringleInterchange

Moore Co.Interchange

Sherman Co.Interchange

DalhartInterchange

DallamInterchange

Etter

Dumas19th St.

Potter Co. Interchange

Bushland Interchange

Randall Co. Interchange

Coulter Interchange

East Plant

Nichols Sta.Harrington Sta.

Kirby Sw. Sta.

Grapevine Interchange

Bowers Interchange

Kingsmill Interchange

G.B. G.B.

N.P.

Gray Co. Interchange

Hutchinson Co. Interchange

Magic City Sub

Riverview

Excell Sub

ColeInterchange

OKLAHOMA

TEXAS

R.B.

TC-Whiting Texas Co.Interchange

HitchlandInterchange

Wildorado

50 mi.35 mi.

35 mi.

PrairieSubstation

40 mi.

35 mi.

30 mi.

TEXAS NORTH UPGRADES

TRANSMISSION LINE CONSTRUCTION

N

S

EW

9 mi.

Hobbs Generating Plant Interconnection Facility

PROPOSED SITE

HOBBS GENERATINGPLANT

Cunni

ngha

m to

Lea

Co

230

kV -

Ckt K

-35

Cunni

ngha

m to

Den

ver C

ity 1

15 k

V - Ckt

V-5

4

Cu

nn

ing

ha

m t

o E

dd

y C

o 2

30

kV

- C

kt

K- 2

3

Cunningham to Taylor SS 115 kV - Ckt T-15

Cunningham to Whitten 115 kV - Ckt T-39

Cunningham to Maddox 115 kV - Ckt V-90

Le

a C

o t

o M

idla

nd

23

0 k

V -

Ck

t K

-49

Ma

dd

ox

to

Lea

Co

11

5 kV

- C

kt V

-96

Lea Co

LCEC Lea Co.

PROPOSED INTER-CONNECTION POINT

(HOBBS PLANT SWYD)

Cunningham PlantSwitchyard

Maddox PlantSwitchyard

Channing Transmission Project

L

3-wayswitch

DALHART115kV

CHANNING115kV

NORTHWEST INT115kV

NORTH AMA SW69kV

CHERRY SUB115kV

L

L

RB-HOGUE

DALLAMCOUNTY

L

L

VEGA69kV

WILDORADO69kV

CLIFFSIDE SUB69kV

L

#2749 N.O.

SW PORTLAND69kV

SW PRTLND TAP69kV

CLIFFSIDE TAP69kV

NORTHWEST INT69kV

NORTHWEST TAP69kV

L

BUSHLAND115kV

BUSHLAND230kV

TBD

New 115kV

New 115kV Circuit~35 miles

TASCOSA115kV

M M

New 115kV Circuit~30 miles

Dalhart-Channing-Tascosa-Northwest 115kV Line

New 115kV Circuit~15 miles

Reliability to the BLM HeliumPlant should improve once the

69kV line towards Tascosa andChanning is upgraded.

M SCADA - Controlled Switches

Line from new Hobbs Generating Station to Seminole Exchange

Pearl

Union-Texas

Mustang Station

Kinney

Ozark Mahoning #2

Adair

Arco BP-

Willard

V98

V80

83

Sulphur Springs

Int.

LTGPleasant Hill

LTG Ashmore

Cedar Lake

LTG McConal

Z21

T20

T19

Z46

Z46

T57

Y95

Z46

V66

Wellman

LTG-Wellma

n

Jaybee

Seagraves Int.

Denver City Int.

Wasson Sitching

Sta.

ODC

Wasson Pump

San Andress

East Denver

City

ShellC3

Denver City

Shell #7

C2

Allred

El Paso

Shell CO2

Bennett

Cortez

Phillips Pump

#1

Russell Pool

AmfracMid

American

V16

K40

K55

K56

V53

V54

V49

V80

K20

Y99

Y98

Y86

Y98

T16

T13

Tenneco

Boardman

Flannagan

West Hobbs

Sw. Sta.

East Sanger

S. Hobbs

S. Hobbs

Taylor Sw. Sta.

MillenNE.

Hobbs

N. Hobbs

West Bender

Sanger Sw. Sta.

T14

T15

V54

K20

Gaines Co. Int.

Doss Int.

AHCO2

T40T39

Monument

Cooper Ranch

Drinkard

Eunice

Seminole

Hobbs

Eunice

Lovington

K23

V98

V21

V83

K52

Cunningham Station

Maddox

Lea Co. Int

Lea Road

Ward

Seagraves

Moss

LTG-Seagrave

s

Y95

180

385

62

83

214

62

206

137

385

62 180

188

62

180

176

176

234

238

238

483

18 132

629

8382

82

83

214

385

K49

Lea Co.Waits Sub.

NEW MEXICO TEXAS

GAINES CO.

Y OAK UM CO.

TERRY CO.

LEA CO.

Proposed / Supposed location of the Seminole

Interchange

Construct approximately 40 miles

795 MCM ACSR 230 kV line from Hobbs Station to the new Seminole

Interchange.

Construct approximately 17.5 miles 795 MCM ACSR 230 kV line from

Mustang Station to the new

Seminole Interchange.

N

S

EW

LEGEND

230 kV LINE

115 kV LINE

69 kV LINE

NEW 230 kV LINE

NEW 115 kV LINE18

180

K49

US HIGHWAYSTATE ROAD

CIRCUIT ID

WATER / DRAINAGE

SUBSTATION or INTERCHANGE

Full X – PLAN (proposed)

KANSAS

TEXAS

OKLAHOMA

TribuneDightonCity

Setab

Syracuse

Fletcher

Pioneer

Ingalls

Seward

S. Liberal

Cudahy

Dodge City

West Dodge

South Dodge

Ness City

N. Kinsley

Spearville

Sun City

Medicine Lodge

St. John

Pratt

Otis Rice SummitHillsboro

E. McPhersonMoundridge

Halstead

Benton

E. Eureka

MidianButler

Weaver

Rose HillEl PasoMilan

Harper Creswell Montgomery

Chikaskia

Marmaton

Tioga

Altoona

Lang

Dearing

Litchfield

Liberal

Guymon Beaver

PerrytonWoodward

Strafford

Dalhart Spearman

Pringle

Moore Co.

Riverview

Borger Pampa

RandallBushland

Canyon

Swisher

Childress

Littlefield TucoPaducah

Hollis

Russell Altus

Shamrock

Whiteface

Snyder

Elk City

Ft. Supply

MiamiShidler

Bartlesville

City

Stillwater

Glenwood

Woodring

Hennessey

Okeene

Alva

WeatherfordJct. El Reno

CottonwoodCreek

Bristow

DraperFixico

Maud

Cimarron

Cornville

Park Lane

Paoli

Clinton

Lawton BaselineDuncan Chigley

ComancheChickasaw

HealdtonSunnyside

Caney CreekVernon

Oklaunion

Bowman

FisherRoad

S. Wichita

Morris

Sundown

Lubbock E.

Lubbock So.

Haggard

W. LiberalWalkemeyer

LeotiPAOLA

Hockerville

OKLAHOMA CITY

MUSTANG

EVANS

HARRINGTON- NICHOLS

GILL

PLANT X

JONES

LUBBOCK

COMANCHE

OKLAUNION

ANADARKOSOUTHWESTERN

MOORELAND

GARDEN CITYHOLCOMB

JUDSON LARGE

HUTCHINSON

SEMINOLE

PENSACOLA

LA CYGNEWOLFCREEK

NEOSHO

RIVERTON

Osage

SOONER

TOLK

Lamar

Willow Creek

CIMARRON

Joplin

WELEETKA

Nowata

Hobart

PAULINE

Cox

SmithDeaf

Centerville

Farber

HORSESHOE

Dobson

Pioneer Tap

Pooleville

MULLERGREN

Edwards

Lyons W. McPherson

PawneeE. Street

Vaughn

W. Emporia

WICHITAHICKOCK

Grove

Sayre

Bowers

Kirby

Grapevine

(2004)

Hominy

Cleveland

SilverKEYSTONE DAM

S. Ottawa

Potter

White Eagle

CONOCO

So4th

ONEOK

DUKE

Warwick

Keystone

(200

4)

Vinita

NORTHEASTERN

S. Coffeyville

Coffeyville

Delaware

Arcadia

REDBUD

WichitaFinney

N.E.Enid(2005)

Hugoton(2004) GRAY COUNTY

WHITE DEER

(2006)

BeltonSouth

WICHITAFALLS

AMARILLO

Hale Co.

Northwest

Greensburg

345kV Transmission230kV Transmission115- 161kV TransmissionProposed Transmission

Hereford

Muleshoe

Roosevelt

Blackwater

KANSAS

TEXAS

OKLAHOMA

TribuneDightonCity

Setab

Syracuse

Fletcher

Pioneer

Ingalls

Seward

S. Liberal

Cudahy

Dodge City

West Dodge

South Dodge

Ness City

N. Kinsley

Spearville

Sun City

Medicine Lodge

St. John

Pratt

Otis Rice SummitHillsboro

E. McPhersonMoundridge

Halstead

Benton

E. Eureka

MidianButler

Weaver

Rose HillEl PasoMilan

Harper Creswell Montgomery

Chikaskia

Marmaton

Tioga

Altoona

Lang

Dearing

Litchfield

Liberal

Guymon Beaver

PerrytonWoodward

Strafford

Dalhart Spearman

Pringle

Moore Co.

Riverview

Borger Pampa

RandallBushland

Canyon

Swisher

Childress

Littlefield TucoPaducah

Hollis

Russell Altus

Shamrock

Whiteface

Snyder

Elk City

Ft. Supply

MiamiShidler

Bartlesville

City

Stillwater

Glenwood

Woodring

Hennessey

Okeene

Alva

WeatherfordJct. El Reno

CottonwoodCreek

Bristow

DraperFixico

Maud

Cimarron

Cornville

Park Lane

Paoli

Clinton

Lawton BaselineDuncan Chigley

ComancheChickasaw

HealdtonSunnyside

Caney CreekVernon

Oklaunion

Bowman

FisherRoad

S. Wichita

Morris

Sundown

Lubbock E.

Lubbock So.

Haggard

W. LiberalWalkemeyer

LeotiPAOLA

Hockerville

OKLAHOMA CITY

MUSTANG

EVANS

HARRINGTON- NICHOLS

GILL

PLANT X

JONES

LUBBOCK

COMANCHE

OKLAUNION

ANADARKOSOUTHWESTERN

MOORELAND

GARDEN CITYHOLCOMB

JUDSON LARGE

HUTCHINSON

SEMINOLE

PENSACOLA

LA CYGNEWOLFCREEK

NEOSHO

RIVERTON

Osage

SOONER

TOLK

Lamar

Willow Creek

CIMARRON

Joplin

WELEETKA

Nowata

Hobart

PAULINE

Cox

SmithDeaf

Centerville

Farber

HORSESHOE

Dobson

Pioneer Tap

Pooleville

MULLERGREN

Edwards

Lyons W. McPherson

PawneeE. Street

Vaughn

W. Emporia

WICHITAHICKOCK

Grove

Sayre

Bowers

Kirby

Grapevine

(2004)

Hominy

Cleveland

SilverKEYSTONE DAM

S. Ottawa

Potter

White Eagle

CONOCO

So4th

ONEOK

DUKE

Warwick

Keystone

(200

4)

Vinita

NORTHEASTERN

S. Coffeyville

Coffeyville

Delaware

Arcadia

REDBUD

WichitaFinney

N.E.Enid(2005)

Hugoton(2004) GRAY COUNTY

WHITE DEER

(2006)

BeltonSouth

WICHITAFALLS

AMARILLO

Hale Co.

Northwest

Greensburg

345kV Transmission230kV Transmission115- 161kV TransmissionProposed Transmission

Hereford

Muleshoe

Roosevelt

Blackwater

7 Rivers to Potash Transmission Line

?

?

?

?

K67

K68

V61

T62Z57

T6

1E D D YE D D YE D D YE D D YE D D YE D D YE D D YE D D YE D D Y

CarlsbadCarlsbadCarlsbadCarlsbadCarlsbadCarlsbadCarlsbadCarlsbadCarlsbad

Brantley LakeBrantley LakeBrantley LakeBrantley LakeBrantley LakeBrantley LakeBrantley LakeBrantley LakeBrantley Lake

216

285

V18

T0

5Z

05

T23

Z02

Z03

T38

Z48

Z01

T60

Z07

Z22

K52

V21

K60

Pecos

Fiesta

Potash Junction

PCASeven Rivers

North Canal

Del Hi

Bynum Ranch

Ocotillo

Carlsbad

Duval #1

Mississippi Potash #2

IMC #2United Salt

IMC #1

Mississippi Potash 33kv285

62

180

31

360

524

Transformer Upgrades

Budgeted Transformer Upgrade Project Expected ISDBailey County Capacity Project (Both 115/69 kV autos to 84 MVA) CompletedCochran County Autos - Both 115/69 kV autos to 84 MVA Mar-09Denver City Autos - Both changed to 84 MVA CompletedHale County Intg. Autos - Both changed to 84 MVA Sep-07Hockley County Intg. - Both changed to 84 MVA Mar-08Kress Interchange 69 kV Capacity Project (40 MVA to 84 MVA) Aug-07Terry County Autos - Both changed to 84 MVA Nov-07Mustang 230/115 kV Capacity Project - changed to 252 MVA CompletedMoore County 230/115 kV Capacity Project Jul-08Lubbock East Intg. Autos - Both changed to 84 MVA Jun-08Lubbock East 230/115 kV y Project - changed to 252 MVA Dec-07Seminole 230/115 kV Capacity Project May-10