20210708IPC to Staff Request No. 7 - Attachment 2 - Western Interconnection Map (00295208xBCD5C).pdf

ALBERTA
BRITISH COLUMBIA
KANSAS
TEXAS
ARIZONA
CALIFORNIA
COLORADO
IDAHO
MONTANA
NEBRASKA
NEVADA
NEW MEXICO
NORTH
DAKOTA
OREGON
UTAH
WASHINGTON
WYOMING
SOUTH DAKOTA
B(12)
B(19)
4B(19)
2G(4
0
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B(30)
3B(21
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2B(5
8
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8
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R(29,30,31,32)
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,
3
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3
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(16)
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(26
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B(30)
(23)
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2
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R(5)
G(33
)
G(40)
R(29
,
3
0
,
3
1
,
3
2
)
R(24)
G(30)
G(30)
G(33
)
B(1)
B(5
)
B(13)
R(31
)
B(58)
R(14
)
B(13
)
G(5)
G(29)
R(37)
G(47,57
)
R(22)
R(22
)
(1)
R(19)
R(1)
R(22)
R(19)
G(1)
R(22)
R(30)
B(16
)
R(22
)
G(16)
R(6)
G(25)
G(41)
G(16)
R(29
,
3
0
,
3
1
,
5
6
)
B(18)
R(13
,
3
7
)
G(5)
O(46
)
B(M
A
T
L

L
.
P
.
)
G(41
)
R(22
)
R(19,30)
R(30
)
R(29
,
3
0
,
3
1
,
3
2
)
R(22
)
R(1)
R(22
)
R(18,29,42)
O(1)
R(16
,
4
2
)
R(18)
O(58
)
O(50)
O(18
)
B(22)
BRINTNELL
R(24)
R(1)
R(1)
B(1)
B(17)
B(19)
ALL 230kV AND 161kV
TRANSMISSION LINES
SHOWIN IN MEXICO ARE
OPERATED BY CENACE (51)
O(18
)
O(50)
B(1)
(34)G(35
)
G(35
)B(35)B(35)
B(33)
G(12,33
,
4
5
)
B(23)
(58)
(58)
(58)2(58
)
2(5
8
)
(58
)
R(58)
R(58)
2B(4
6
)
B(46)
B(58)
B(43)
G(32
)
(54)
G(32
)
(12)
(41,
5
1
)
(41
,
5
1
)
(41
)
G(32
)
R(32
)
G(32
)
(29
)
(29
)
(29)
R(21,49)
(49)
(49
)
(49)(49)
B(49)
R(19
)
R(19)
2R(
1
9
)
2B(14)
B(14)
2B(14)
R(32)
R(32
)
R(14)2B(14
)
(35)
B(3)
B(16)(16)
B(16)
(16)
B(MA
T
L

L
L
P
)
G(40,41)
G(32
)
G(32
)
G(32
)
G(32)
(5)
B(5)
R(5)
2(58)
B(6)
R(22
)
R(22)
(58)
B(43)
G(5)
VERDE
SAN RAFAEL MURAL
KARTCHNER
PANTANO
BUTTERFIELD
BICKNELL
ADAMS
APACHE
NOGALES
SOUTHLOOP
VAILTUCSON RED TAIL
ORACLE
SANMANUEL
SAGUARO
SILVERKING
MILLIGAN
GOLDFIELD
BOUSE
DUGAS
PRESCOTT
PARKERGENE
NORTH HAVASU
BLACK MESA
YAVAPAI
CHOLLA 1-3, CHOLLA 4TOPOCKSOUTH POINT
CAMINO
GRIFFITH
ROUND VALLEY AZPS
RIVIERA
FLAGSTAFF
COCONINO
PEACOCK
LEUPP
HILLTOP WALC
SELIGMAN
McCONNICO
DAVIS CEDAR MOUNTAINMOHAVE MOENKOPI
BURRO CANYON
ANTONITO FT. GARLANDKAYENTA
LONGHOUSE VALLEY
POWELL
ALAMOSATERMINAL
ALAMOSA
NAVAJO
CORTEZ
GLEN CANYON WALSENBURG
LOST CANYONEMPIRE SAN LUIS VALLEY
SARGENT
MOSCA
CAHONE
PINTO
LOS REALES
ROUND VALLEY TAP
RIVERENAINSURGENTES
CALIENTE EPEASCARATERIOGRANDE
PICANTEP.D.
NEWMANSALOPEK
AFTON
LAS CRUCES
ARROYO
DONA ANA
MIMBRES
PICACHOHIDALGO
LUNA AMRAD
ARTESIAAC-DC-AC TIE200 MW
TURQUOISE ALAMOGORDO
HOLLOMAN AFBMACHOSPRINGS
MD#1
DOSCONDADOS
CABALLO
ELEPHANT BUTTE CARRIZO CANYON
MORENCI GREENLEE
SOCORRO
BLACKWATERAC-DC-AC TIE200 MW
TAIBAN MESA
WILLARDBELEN
SANDIA GUADALUPEBRITTONCORONADO
ALGODONES
BA
BLUEWATER
RIO PUERCO
AMBROSIA
MCKINLEY
ESCALANTE BRAVO DOME WEST (HESS)
GALLUP
NORTON BRAVO DOME
WTA HERNANDEZ
CHAPMAN
YAH-TA-HEY
TAOS
GLADSTONE
OJO SPRINGER-TSGT
BLACKLAKE
LA JARA
BISTI
PILLAR
YORK CANYONFARMINGTONFOUR CORNERS
NAVAJO DAMSHIPROCK
SAN JUAN
PAGOSA
DURANGO
HESPERUS
BAYFIELD
RED MESA
WEST MESA
JICARILLA
ROSEBUD
WATERFLOW
ENRON
MENDOZA
SUNSHINE
VALENCIA
STORRIE LAKE
ZIA
CABEZON
TOME
CLINES CORNERS
EL CABO
GAVILAN
TORTOLITA
SPRINGERVILLE
WINCHESTER
GOSHENCOUNTY
CHQ
SRY PID
CPD
CPU
CPCXCO
HGO
CPT
CSC GOR
RZCCIPRESMOECNTWISCNZ
STB APDOZACTYTEKVPAMXIPKDLOMASCRORINNZIKCHROSITA(ROA)
SISRUMOROSA WELTONMOHAWK
HERRADURA
METROPOLI (MEP)
TOYOTA GILACENTRAL PRESIDENTE JUAREZ
YUCCAINTERGEN (LA ROSITA)SEMPRA HOODOOWASHPANAMERICANA (PAP)
NORTHGILA
EL RUBI (RUB)
TIJUANA I
PILOTKNOBDROP4 DOME TAP
IMPERIALVALLEY
EASTCOUNTY
MESQUITEOTAY MESA
KNOBSILVERGATEEL CENTRO DEAAKOFAHIGHLINEOLD TOWN
HARQUAHALAGOLDMINENILANDMIDWAYIIDMISSION
PENASQUITOS
COLORADO RIVERRED BLUFF
COACHELLAVALLEY
PALOMAR
BLYTHE
BUCK
SAN LUIS RAYENCINA ESCONDIDO
JULIANHINDS
RAMON
MIRAGE EAGLE MT.
SAN ONOFRE
HEADGATEROCK
IRONMOUNTAINDEVERS
EL CASCO
"T"ORMONDBEACH
MANDALAY PISGAH
SANTA CLARA
PARDEE HASKELLGOLETACASTAIC CIMAWARNEKRAMER
COOLWATER
BAILEY SANDLOT
SUNSET
PASTORIA ANTELOPE LUZMESALEBEC
INYOKERN
WHIRLWIND COSO
RECURRENT
HIGHWIND
VILASBARREN RIDGEKERN TWIN BUTTESPINETREE
BEACONWESTWINDOMAR
COLORADO GREEN
SYCAMORE SPRINGBOK
DIABLO CANYON CALIENTE
VESTALMORRO BAY WILLOW CREEKHOOPERSOLAR
SPRINGVILLE
ARCO
LA JUNTA
LAMARAC-DC-AC TIE210 MWLAMAR
ST. GEORGERECTORCOBURN
GATES HENRIEVILLEPINE FLAT
RED BUTTE WEST CEDAR
NUCLAPANGUITCHBALCH
THREE PEAKS
CURECANTI
McCALL
NORTHGUNNISON
GUNNISONMONTROSEPAROWAN VALLEY
HAAS
BLUEMESA
CRYSTAL
CONTROL
MORROW POINT
INYO (LDWP), INYO (SCE)
PANOCHE GREGG HELMS
MT.ELBERT
SILVER PEAKSAN LUIS WILSONMOSS LANDING
WAANIBE
MOAB
BORDEN MALTAGRANDJUNCTIONLOWERMOLINA
UPPER MOLINA
UINTAH COLLBRAN BURLINGTON LANDSMAN CREEKTONOPAHGORGE PLANTS
CAMEOSPHINX BASALTSIGURD
HOPKINSMILLERS
HETCH HETCHYWATER & POWER RIFLE SOUTH FORKSHOSHONEMOUND
HUNTER/EMERYANACONDAPAVANT WRAYBLUERIVERHELPERCOLUMBIA
CANDELARIA
HUNTINGTON NORTHYUMA
WOLCOTT McCOOKSPRINGVALLEY
(BRUSH)
ALVIN REDWILLOW
SUNNYSIDE
MELONES HOLDREGE
MCBRYDE ENDERS
GREENMOUNTAIN
CARBONCOLLIERVILLE N.D.CLOVER
MILFORD
THORNE LAMAR
GOREPASSRANGELY
OSCEOLA
MEEKERCURRANT CREEK
CANADAYMOKELUMNERIVER PLANTS WAUNETA
FRENCHMAN CREEK
BONANZA
INTERMOUNTAIN
GONDER FOIDELCREEK
STERLINGMONAAXIAL BASIN GRANTSTEAMBOAT
HAYDEN
JEFFREYCANYON
PEETZ LOGANSPANISH FORK
CROOKED CREEKUPALCOCRAIG
MEYERS
SPRING CANYON SWEETWATERCREEKJULESBURGSMUDUARPPLANTS
GENTLEMAN
BUCKEYE
FORT CHURCHILL
MAXWELL
MACHACEK
ROBINSONPCWA
NORTH PLATTEARTESIA
OGALLALA
BEARS EARS
VERNAL
FRONTIER ASHLEYHALE SIDNEY
VIRGINIA SMITHAC-DC-AC TIE200 MWBRUNSWICKAUSTININCLINE
KEYSTONESALTWELLS
ARCHERCHEYENNECAMP WILLIAMSSTEAMBOAT 90TH SOUTH
MIRALOMA SPPC
TRACY
HAPPYJACK
MT.ROSE OQUIRRH FLAMING GORGEMID VALLEY
RENO
SUGARLOAF
SPANISH SPRINGS
SNOWY RANGE
NORTHWEST
TERMINAL
CALIFORNIA
FOOTCREEK
YCWA
HYATT DRUM
N.TRUCKEE WENDOVER
SILVERLAKE
EAGLE
DIXIE VALLEY
TABLE MT.
GERING HYANNIS
STEGALLAC-DC-AC TIE110 MWSYRACUSE
FIREHOLECOVEDELEVANJERSEY
SCOTTSBLUFF
BRIDGER PUMP
THEDFORD
OREANA
LATHAMECHO
ALLIANCEPLATTEBAR X
BANNOCK SOUTH TRONA BITTERCREEK
BORDERTOWNLOGANCREEK
POINT OFROCKS
ROCK SPRINGS
ELKO
RAVEN
LARAMIERIVERSTATIONMINERS
STAR PEAK
BATTLEMOUNTAIN
UINTA WIND
RAILROAD
BEN LOMOND WESTVACOGLENN
BIRCH CREEK
POE BLACKS FORK
BAIROIL
MIRACLEMILE
MONUMENT
DUN GLEN
FREEZEOUT
CRESTA
AINSWORTHROCK CREEK
MAGGIE CREEK
CARLIN
NAUGHTON
EIGHT MILE CREEK
FALCON
LONE TREE WELLS KORTES
JIM BRIDGER
FORT SAGE
MUSTANGBLUE MOUNTAIN WHEELON CUTLER
GLENDO
BOULDER BASINBUCKS CREEK
DIFFICULTY
FONTENELLE FREMONT CANYONWINNEMUCCAVALMY CHADRON
GORDONALCOVA VALENTINEBELDENCODYSHUTECREEK
COYOTE CREEK
OLINDA COTTONWOOD
HUMBOLDT SPPC ATLANTIC CITYCARIBOU
FORT RANDALL
CASPERLM
WAYSIDELUSK BONESTEEL
TREASURETONMALAD
SPENCE
GREGORYDAVEYTOWNCASPERDAVE JOHNSTONONEIDACARBERRY SW STA
WINTER
WITTEN
WYOPO LATIGO MISSION
SHANNON VETAL TAP
MARTIN
BRIDGEVILLE
SUNBEAM
ROUND MOUNTAIN
CLAIM JUMPER
OROVADA
FLANAGAN
GRACE#7 #1#6
POPULUS
RIVERTON#3 SODA#5 GETCHEL#4
SPRINGCREEK
3 MILE KNOLL
JAMES B.BLACK
WINDSTAR
MIDWEST
WEST HILL
SHASTACARR
MINNEKAHTA
KINGS RIVER BADWATER
YELLOWCAKEAMERICAN FALLS
MONSANTO PILOT BUTTEMINIDOKA
HUMBOLDT BAY
ADELAIDEHUMBOLDT PG&E DON
BRADY
BOYSEN
HUNT
TWINFALLS
BORAHCASCADE
ANTELOPE MINE
KINPORT
TRINITY BIGBENDFIELDSKING/UPPER SALMON MIDLAND
MIDPOINT
WARNER KAYCEE
SOUTH RAPID CITY
THERMOPOLISPALISADES
PHILIPWALL FORT THOMPSONHILLTOPSPPC
WOLVERINE
WICKSVILLE
TECKLA
CATTLE CREEK
GOSHEN
NEW UNDERWOOD
LANGEOSAGEJUSTICE
IRVINGTONHAMILTONDOMEWEED JUNCTION PUMPKINBUTTES
DANSKIN
BENNETT MOUNTAIN
C.J. STRIKE RUSHMORE PHILIP TAPLAKEVIEW TAP
PIERRESWAN VALLEY
RENO
GRASS CREEK
TETON
RAPIDCITY
OAHEBARBER CREEK ELLSWORTHMOUNTAINHOMEDONKEYCREEK
CAPTAIN JACK
RATTLESNAKE IPCO
YELLOW CREEKMALIN
ANTELOPE PACE TARGHEE WORLANDCOPCO 2
CARTERMOUNTAINJC BOYLE
LOSTRIVER
WYODAKSCOVILLE
HUGHESWOOD RIVER JEFFERSON
KLAMATHFALLS
LOOKOUT
CARRDRAW
KLAMATHCOGEN
CRESCENT CITY BUFFALO
ElK CREEK
ANDERSON RANCH
HEMINGWAY
LONEPINE BASINSPARCANYON
DRUMMOND DRYFORKDRAM
OREGONBASIN
BOWMONTMERIDIANCAVEBROOKINGS/HARBOR CHILOQUIN EAGLE BUTTE
BOISE BENCH
FAITH
MAURINE
AMPS
ROUND VALLEYPACEHUBBARD SHERIDANCALDWELL IPCO BIG GEORGE 1GRANTS PASS BIG GRASSY TONGUE RIVERLAWENLOCUST
LOVELL
ROGUERIVER LANGLEY GULCH
HARNEYGOLD BEACH GARLAND
EMMETT
DECKERSUMMER LAKE FRANNIEHINESROGUE WYOMONTONTARIOBURNSNICKELMOUNTAINDAYS CREEK YELLOWTAILWEISER BISONHORSE FLATUMPQUA RIVER
DIXONVILLE
RESTON
COLSTRIP
PETERSON FLATS
FAIRVIEW
ENNIS
BRASADA
SHERIDAN (1)
DILLON (1)HARDIN
BANDON AGENCY CROSSOVERLAPINETENDOY HETTINGER
HUNTLEY TAP
BILLINGSHILLS CREEK JACKRABBIT
ISTHMUS
BOWMANRHAME
CUSTER
ALKALIPONDEROSA LITTLEMISSOURI
BAKER
ROSEBUD CREEK
BROWNLEE BOZEMAN
QUARTZ SALMON
MILES CITY AC-DC-ACTIE 200 MW
SHOREYROAD BROADVIEW
BIGTIMBER
REEDSPORT OXBOWREDMOND
CLYDEPARK
NORTH POWDER
J.P.ALVEY MDU NEW ENGLANDWILSALLLANEGRIZZLY
TAHKENITCH THREE RIVERS
BUTTE
HELLS CANYON
ROUND BUTTE DICKINSONASIMILA GRANDE BELFIELDMEDORA
WENDSON PELTON O'FALLON CREEK
GLENDIVE
FRY
ALBANY GRANGEVILLEBOARDMAN
ELGIN
SANTIAM
DAWSON COUNTY(MAPP)MAUPIN
CHARLIECREEK
KILLDEERROUNDUPKOOSKIAHAMILTONJONESCANYON
DALREED
TOLEDO
JUDITH GAP
ROUGHRIDERBICENTENNIAL
BUCKLEY
SQUAW GAP
GARRISON
KOCHOIL
EASTSYDNEY
MORROWFLAT
KAMIAHSLATT
NEZPERCE
E. HELENA
BIGLOWCANYON
LEWIS ANDCLARKGRAND RONDE
STATELINE CANYONFERRY
WALLAWALLA
CIRCLE(MAPP)
WALLULAJOHNDAYMCNARY
LOLO
DRYCREEK
MISSOULA
WATFORD CITYJAYPERICHLAND
OVANDO
TUCANNONRIVER
CANYON FERRY TAP
LANDERSFORK
NORTHLEWISTON
OROFINO
RATTLESNAKE (NWMT)
BONNEVILLE LOWERGRANITE
LITTLEGOOSE
HATWAI
INDIAN HILL TAP
CENTRALFERRY PLACID LAKEDWORSHAKKNIGHTGREAT FALLS (RAINBOW)TILLAMOOK MOSCOW FORTPECK
WILLISTON (1)CULBERTSONDIXON
BOLE POPLAR
TIOGA JUNCTION
WOLFPOINTSHAWNEE
TIOGAGRANDVIEW
DUTTON PUMPTAFT BPA STANLEY
CLATSOP
RICHARDSON COULEE
VERONA
KERRTHORNTONUNION GAP HOT SPRINGSTHOMPSON FALLS
KENMARECONRADBURKE
ASTORIA PINE CREEK
TIBER
BENEWAH
ELMO HARLEM MALTA
BOULDER
LIONMOUNTAIN
CONRAD AUTO
HAVRE
SHELBY 2RUDYARD
TIBER TAPBEACON
FLATHEAD
WILLIAMS
HOLCOMB NOXON
KALISPELL
BELL
COLUMBIAFALLS
SHELBYLANCASTER BOUNDARY DAM
RATHDRUMWESTSIDE BROWNING
CUTBANKPUMP
SATSOPPARK
COSMOPOLIS CABINET GORGE HUNGRYHORSE
DEVIL'S GAP
CUTBANKPINESTREET
CONKELLEYCRESTON
TRUMBULLCREEKHASKILLABERDEENLIBBY
ALBENI FALLS
TROY BABB
SACHEEN
CUSICK
SAND CREEKADDY
BONNERS FERRYCOLVILLE
ANDERSONCANYON KETTLE FALLSEAST OMAK BOUNDARY
GOOSE LAKE
NORTH LETHBRIDGENELWAY
RUSSELL ALTALINK
PEIGANCOLEMANNORTHMOUNTAIN
WAX
SELKIRK BOWMANTON
CRANBROOK
GORGE
WARFIELDBAKERROSS NATALSEDRO WOOLLEY DIABLO VASEUX LAKE
BENTLEYUPPER BAKER KIMBERLEY TRAVERSVICTORIA AREA STATIONS
BTSBELLINGHAM
MILO
BRILLIANT
McNEILL
AC-DC-AC TIE
150 MW
KOOTENAYCANALWAHLEACHPORTAL WAYJORDAN RIVER CUSTER CYPRESS
AMOCOEMPRESS
INVERMERERGASAHTLAM
WEST BROOKS
JENNER
FDCTAPROSEDALEARROW LAKE
WARE JUNCTION
INGLEDOW
FORTIS BCPLANTS
ARNOTT
HAREWOOD WEST LEE WHATSHANCLAYBURN
MERIDIANJINGLEPOT
LANGDONMONASHEEPORTALBERNI
NICOLA
UPPERHARRISONTERMINAL
JANET
SARCEE
KICKING HORSE
DUNSMUIR
HIGHLAND VERNON
BEDDINGTON
ASHRIVER
CHEEKYE
MALASPINA
SHEERNESS
VIEW
ASHTON CREEK
SALMONARM
SAVONAVALLEY
BRIDGE RIVER REVELSTOKE
GOLD RIVER STRATHCONA
LADORE
JOHN HART KELLY LAKE
BATTLE RIVER
BENALTO
ICG
100 MILEHOUSE
SODA CREEK BRAZEAUKEOGH
BICKERDIKE
BARLOW MARGUERITELAKE
KEMANO
NORTHBARRHEAD WHITEFISH LAKESAGITAWAH
KITIMAT
WILLISTON
LOUISE CREEKGLENANNAN
TELKWA
MITSUE
SKEENA LITTLE SMOKY
PRINCE RUPERT
KENNEDY
WESLEY CREEKWEST PEACE RIVER
PEACE CANYON
RAINBOW LAKE
SHRUM
FORT NELSON
BOB QUINN
MICA
SEYMOUR
WINDHUB
LAMBERT
STRAWBERRYHILL
BARNARD
MIDWAY
CELILO
MILES CITY
GREAT FALLS
PICTURE BUTTE
STEGALL
PICO
SHEPARD EC(ENMAX)
AKRON ECKLEY
FNC
LIVOCK SALT CREEK
LEISMER
MCMILLAN
CORDEL
ANDERSON
CASTLERIDGEROCK
COVETAP
LAKE SIDE
DYNAMO
WOLF POINT(MAPP)
MILL CREEK(ANACONDA)
SOUTH BUTTEENTERPRISE
CURRIN
CENTRAL
MEADOW CREEK
MAPLE CREEK
BIG BAR
TOPAZSOLAR
MAGUNDEN
BOISE
QUARTZ TAP
ANACONDA (BPA)
MANSFACE
SHERIDANSOUTHWEST
RAPID CITYAC-DC-AC TIE200MW
WINDYFLATS
SC1
FIDLER
FOOTHILLS
BLACKSPRING RIDGE
SS-65
CASSILS
EAST CALGARY
HAZELWOOD PAINTEARTH
TINCHEBRAYHALKIRK
GAETZ
WOLF CREEK
BIGSTONE
WILLESDENGREEN
JOHNSON
ALBERTA NEWSPRINT
IPIATIKLAKE
CONKLIN
SUNDAY CREEK BLACK SPRUCECHRISTINA LAKE
PIKE
JACKFISH
AMR02
SALTCREEK
BIRCHWOOD CREEK
MACKAY RIVER
KETTLE RIVER
THICKWOOD HILLS
DAWES
WABASCA
FORT HILLS
MCCLELLAND
JOSLYN CREEK
BITUMOUNT KEARL
AURORA
JACK PINE
GREEN STOCKING
BLACK FLY29EDD-65
MUSKEG RIVER
SECORD
HORIZON UPGRADING
HORIZON MINING
MILLENIUM
LANFINE
OAKLAND
COYOTELAKE
PEMUKAN
METISKOW
HANSMAN LAKE
NILREM
NEWELL
WHITLA
NEVIS
RED DEER
BARRIER
BAYMAG
GHOST
SEEBE
KANANASKIS
CASCADE
SPRINGBANK
SPRAYRUNDLE
CANMORE
MOUNT ALLAN
BENNETT
CROSSINGS
ROUND HILL
HEARTLAKE
KINOSIS
PILOT BUTTE
PIT RIVER PLANTS
BIG CREEK PLANTS
COVE
NEWELL
BROADVIEW
CHERHILL
DOVER
WINDRIDGE
ROCK CREEK
SAN MATEO
CAPISTRANOTALEGA
SHADOWRIDGE
SUGARLOAF
SUNSHINE
CASCADE
MORGAN
NEWWADDEL
PINAL CENTRAL
HAYDENSRPRANDOLPH
COMANCHE
RATTLESNAKE BUTTE
RING CREEK
MEIKLE
KEG RIVER
HOTCHKISS
ARCENIEL
HIGH PRAIRIE
VALLEYVIEW
POCATERRA
JOHNSON
GRADY
SUNCREST
OCOTILLO
DREW
KESWICKAIRPORT
SNOW GOOSE
POMONAHEIGHTS
MULLAN
GRASSLAND
HERMISTON
HICKORY
BLACK ROCK
SAUNDERSLAKE
TUNGSTEN
ALPINE
MCGINNESS
ROUND MOUNTAIN
TABLEMOUNTAIN
BELL CREEK
MATL
HAY LAKE
MARIAS
EMPIRE
SOUTH BANK
DIAMOND TAIL
TORRANCE
LA JOYA
ANTICLINE AEOLUS
SHIRLEY BASIN
CARTY
SHAMROCK
VOYAGEUR
WESTRAPIDCITY
McNEILL
MEXICO
2B(1
)
(3)
2(4)
(3)
B(3)
(7)
(1)
B(1)
B(1)
B(1)
B(1,3
)
(4)
(3)
B(3)
B(7)
B(7)
(7)
(3)
(7)
R(1)
B(4)
B(1)
B(3)
B(3)
(4)
2(7)
R(1)
B(1,7)
2B(1,3)
B(1)
(4)
B(7)
B(3)
B(3)
B(7)
R(1)
B(3)
B(1,7)
B(1)
2(4)
B(1,3)
B(1,3)
2(7)
B(4)
B(1,3)
R(1)
2R(5)
B(7)
B(1)
B(1)
2(7)
B(1,
7
)
2R(1
)
2B(7)
3R(1)
(7)
G(1)
B(1)
G(1)
B(1)
B(7)
B(1)
3(7)
2(1)
B(7)
B(4)
B(1)
2(7)
B(3,7
)
B(1)
G(1)
(1)
B(1)
(7)
B(4)
B(1,3
)
(7)
(7)
3B(1)
B(1)
3(7)
(7)
B(7)
(7)
B(1)
2B(1
)
2B(1,
7
)
(7)
R(1)
B(1
)
B(7)
(7)
B(3)
(7)
3B(
1
)
R(1)
B(7)
B(3)
(7)
2(1
)
B(1,3
)
B(1)
2B(
1
,
3
)
B(1)
B(1,3
)
B(1)
B(7)
R(1)
R(1)
B(1,3)
R(1)
R(1)
R(1)
(1)
R(1)
2B(1)
R(1)
R(1)B(1)
B(1,7)
3B(3)
R(1)
2(1)2B(1
)
B(1)
2B(
1
)
B(1)
2(4)
B(7)
MOSSYROCKMAYFIELD
CHEHALIS CENTRALIA
NAPAVINE PAUL
TONO
OLYMPIA (1)ALDERTON
ST. CLAIROLYMPIA
CANYON
SOUTH TACOMA
COWLITZ
WHITE RIVER
SOUTHWEST
HILLTOP
TACOMA
RAVER
PEARL
NORTHEASTCEDAR
STARWOOD
MIDWAY
O'BRIEN
COVINGTONSHELTON
FAIRWOOD
BERRYDALE CEDARFALLS
TALBOT HILL MAPLEVALLEY
ECHOLAKE
LAKESIDESOUTHBREMERTON
KITSAP KLAHANIE
CRESTONDUWAMISH
NOVELTYHILL
SAMMAMISH
DELRIDGE
SOUTH (1)
MONROE
EASTPINEMASSACHUSETTS
SNO-KINGBROAD
SNOHOMISH
BOTHELL
FAIRMOUNTHAPPYVALLEY
HORSE RANCH
BEVERLY
MURRAY
NORTHMOUNTAINPORT ANGELES
WESTMONROE
LAGRADE
CUSHMAN
B(17)
2B(1
4
)
2B(14)
2B(14)
B(13)
B(17)
B(17)
2B(14)
B(14)
B(13)
B(13)
B(53
)
B(17)
B(17
)
B(17)
B(17)
2B(13
)
2B(14)
2B(1
4
)
2B(1
3
)
2B(1
4
)
2B(53
)
2B(1
4
)

U
.
G
.
R(14
)
B(14
)
B(14
)
2B(
1
4
)
(14)
2B(1
3
)
2B(28)
B(17)
2B(1
4
)
B(13)
2B(1
3
)
B(17)
B(14
)
B(14)
B(14
)2B(59)
2B(13)
B(14)
B(14)
B(14
)
B(17)
B(14)
6(14
)2B(14)
B(17)
B(14
)

U
.
G
.
B(14
)
2B(14
)
B(17)
B(17)
B(17
)
2B(1
4
)
B(52,53)
B(52,53)
B(14
)
B(13)
B(13)
B(14)
B(13)
B(14)
2B(
1
4
)
B(14
)
2B(1
4
)
B(17)
B(14)
B(14
)
3B(14)
2B(14)
2B(
5
2
,
5
3
)
B(14)
B(13)
2B(14)
2B(17)
2B(
1
4
)
B(14
)
B(17)
B(17)
2B(1
4
)
B(14)
B(14
)

U
.
G
.
R(14)
B(14)
B(13)
2B(1
4
)
B(14)
B(14
)
2B(1
4
)
B(14)
B(14
)
2(14)
2B(14)
TRANSBAY CA
B
L
E

2
0
0

k
V

D
C
B(13
)
2B(14)B(14
)
R(14)
B(13)
2B(1
4
)
B(14)B(14)
B(17)
2B(1
4
)
B(14
)
B(14)
B(14
)
B(1
4
)B(14
)
B(14)
B(14
)
2B(1
3
)
2B(1
4
)
R(14
)
R(14
)
2B(
1
4
)
R(14
)
R(14
)
R(13
,
3
7
)
R(14
)
2(25)
B(14
)
B(14
)
R(14
)
LOS BANOS
COYOTE
METCALF
WARNERVILLE
WALNUTESTEROS
WESTLEY
MONTAVISTA
PARKER (MID)
ROSEMORE (MID)
RAVENSWOOD
NEWARK
LAWRENCE
LIVERMORE
TESLA
JEFFERSON (1)
VINEYARD
WEBER
BELLOTA
CAYETANO
STAGGTRACY
SANMATEO
NORTHDUBLIN
LOCKEFORD
RANCHO SECOELK GROVE
MARTIN
CONTRA
COSTAPOTRERO
POCKET
CAMPBELL SOUP
HEDGE
EMBARCADERO
CORDOVA
MORAGA
PROCTOR
HURLEY
PITTSBURG
LAKE
LAMBIE
CARMICHAEL
PEABODY
GOLDHILL
ORANGEVALE
NATOMAS
SOBRANTE
FOOTHILL
FOLSOM
VACA DIXON
ELVERTA
FIDDYMINT
ROSEVILLE
(WASN)
IGNACIO
RIO OSO
LAKEVILLE
CORTINA
FULTON
GEYSERS
OBANION
SUTTER
KAMMERER
PUTAHCREEK
WOODLAND
RUSSELLSMUD
CASTRO VALLEY
R(18,19)
R(18)
B(19
)
B(19
)
B(19)
2B(19)
2B(19)
3B(18
)
B(19
)
B(18)(
1
9
)
B(19)
4B(18)
4B(1
9
)
R(19)
B(19)
B(18)
B(19
)
B(19
)B(19
)
B(19)
R(19
)
B(1
9
)
B(19
)
B(19)
B(19)
B(19)
2B(18)
R(19)
4B(18)
R(19)
B(19)
B(19)
B(18
)
B(19)
B(18)
B(19)
2B(18
)
2B(18)
B(19)
B(18)
B(18
)
2B(18
)
B(19)
R(19
)
R(18,19)
B(19)
B(19)
B(19)
O(18
)
B(19
)
B(19
)
B(19
)
R(19)
R(19)
B(1
9
)
R(18,
5
6
)
B(19
)
B(19
)
B(19
)
B(19)
4B(1
9
)
B(18
)
2B(18)
B(19)
B(19)
O(50)
B(19)
B(19
)
B(19)
B(19)
R(19)
B(19)
B(19)
B(19
)
B(19
)
B(19)
B(19)
B(19
)
B(19
)
B(19)
B(18
)
2R(19
)
B(19)
B(19)
B(19)
R(18
,
1
9
)
B(19)
B(19
)
R(18
)
2B(19)
B(19
)
B(18
)
U
.
G
.
B(18
)R(18
)
B(18)
B(19)
2B(19)
2B(18
)
B(19)
R(19)
2B(
1
9
)
B(19)
B(19
)
B(19
)
B(19)
B(19)
B(18)
R(18)
R(18)
R(19
)
R(19
)
R(19)
B(18)
R(18)B(19
)
R(18)
B(19
)
B(19
)
B(19
)
B(18
)
R(19)
R(19)
B(18
)
B(18)
B(19
)
R(19
)
B(18)
3B(19
)
B(19)
4B(19)
4B(19)
3B(1
9
)
B(19)B(19)
R(19)
R(19)
B(18)
B(18)
B(19)
B(19)
B(19)
B(19)
B(19)
B(19
)
B(19
)
2R(
1
9
)
B(18)
3B(18)
3B(18
)B(18)
2B(18
)
B(18
)
B(18
)B(18
)
B(18
)
B(18)
HUNTINGTON BEACH
VALLEY SCE
VIEJO
ELLIS
SANTIAGO INLANDEMPIRE
HAYNES JOHANNA
ALAMITOS
SERRANO
VILLAPARK
BARRE
LONG BEACH
ARCOGEN
HARBORGEN LEWIS
DEL AMO
HINSON
REDONDO BEACH LIGHTHIPE OLINDA (SCE)
LA FRESA CENTEREL NIDO CHINO
MIRA LOMA SCE
LA CIENEGA
LAGUNA BELL WALNUT (1)
"B"
EL SEGUNDO
RANCHO VISTA
ETIWANDA
"F"
RS-L SCATTERGOOD
PADUA
MESA
"P"HONDO
"A"
"G"
"H"
"K"
EAGLE ROCK
AIRWAY
GOODRICH
"E""S"
LUGO
GOULD
RS-M VALLEY
RINALDI
VICTOR
CALDWELL SCE
SYLMAR PEARBLOSSOM
VICTORVILLEADELANTO
OLIVE
VINCENT
RIO HONDO
INGLEWOOD
SCATTERGOOD
MOORPARK
"T"
"U"
SAUGUS HASKELL
MOUNTAINVIEW
SAN BERNARDINO
EL CASCO
VISTASCE
"J"
CHEVMAIN
B(10)
B(9)
B(10)
3(1)
3(1
)
B(10
)
2B(9)
B(10)
(5)
B(1)
3B(1)
(10)
3R(1)
R(1)
2B(9)R(1)
(8)
(2)
(1)
2(10
)
G(1)
B(10
)
B(10)
(8)
2B(10
)
2(2)
(1)
(10
)
B(10)
B(10
)
B(10)(10
)
B(10)
B(9)
B(10
)
(8)
(10)
R(1)
(10
)B(1
0
)
B(1)
(8)
2B(1
)
R(1)
B(1
)
B(5)
B(8)
(10)
(10
)
R(1)
B(1)R(1
)
B(1)
B(1)
B(1)
R(1)
B(5)
R(1)
2B(1)
R(1)
B(5)
R(1)
(2)
B(1)
(5)
(1)
B(7)
B(1)(1)
B(1)
G(1)
(10
)
(2)
R(1)
2B(1)
2(2
)
B(1)
R(1)
(2)
R(1)
2R(1)
(1)
R(1)
R(1)
R(1)
(1)
G(1)
G(1)
2B(1)2B(1)
R(1)
2B(1)
2R(1)
B(5)
B(1)
R(1)
(7)
2R(1)
R(1)
(2)
SACAJAWEAFRANKLIN
LOWERMONUMENTAL
WHITE BLUFFS
ICE HARBOR
ASHE
BENTON
HANFORD
WAUTOMA MIDWAY BPA
OTHELLO WARDEN
FRENCHMANHILLS
PRIESTRAPIDS
SAND DUNES
POTHOLES
WHEELER
LARSONWANAPUM/ VANTAGE
ELLENSBURG ANCIENT LAKE ROCKY FORD
STRATFORD
SUMMER FALLS
SCHULTZ
COLUMBIA
BETTASROAD
MCKENZIE
ROCKY REACH
CHELAN
SICKLERDOUGLAS
WELLS
CHIEF JOSEPH
ANDREWYORK
OKANOGAN
GRAND COULEE
COLUMBIA
WENATCHEE
ANDERSON CANYON
LIND
NEILSON
(1)
(5)
B(6)
B(1)
B(6)
(1)(1)
2B(5)
B(6)
(5)
B(6)
(5)
B(1)
B(6)
B(1)
B(1)
(1)
2B(6
)
R(1)
2B(1)
(1)
B(1)
B(6)
R(1)
B(1,6)
B(6)
R(1)
B(1)
B(6)
B(1)
2(1)
(5)
B(1)
2B(1
,
6
)
2B(6)
(1)
2B(6
)
B(1)
B(6)
(1)
(5)
(6)
B(6)
B(1)
3B(1)
(5)
2B(1)
B(1)
2B(1)
B(1)
(5)
(5)
R(1)
B(6)
(5)
(1)
R(1)
2B(1
)
B(5)
B(1)
B(1)
R(1)
(5)B(6)
G(1)
B(1)B(1)
R(1)
B(1)
R(1)
R(1)
R(1)
B(1)
B(1)2B(1
)B(1)R(1)
R(1)B(5)
B(1)
B(1)
(1)
2(1)B(6)
R(1)
B(6)B(6)
B(6)
B(6)
B(1)
B(1)
2(1)
B(1)
B(6)
CHEMAWA
OSTRANDER
PEARL
McLOUGHLIN
SHERWOOD CARVERCARLTON
GRESHAM
MURRYHILL TROUTDALEHARRISON
LINCOLN (1)
ST. MARYSKNOTT BLUELAKE N.CAMAS
KEELERHORIZON
ST. JOHNS
RIVERGATE SIFTON
ROSS
RIVER ROAD
ALCOA
LEWISRIVER
TROJANALLSTON
LEXINGTONPORT WESTWARD
DRISCOLL
BEAVER LONGVIEW
SALEM BETHEL
MARION
SANTIAM
DETROIT
B(42)
(VE
A
)
CRC/S
N
W
A
2-B(
4
2
)
CRC/SN
W
A
B(VEA)
(VE
A
)
R(42)
B(VEA
)
B(42)
2B(42)3-B(4
2
)
B(42)
2-B(21)
B(VE
A
)
B(42)
B(42)
B(42)
R(42)
R(18
)
B(42
)
2-B(4
2
)
(VE
A
)
8B(29)
B(42
)
(42)
B(19
)
B(42
)
R(18,26,
5
6
)
B(42)
(VE
A
)
B(19)
B(42
)
B(42)
B(42)
B(42
)
2B(42)
R(18)B(42)
R(42)
R(18,56)
2-B(42)
R(18
,
1
9
,
3
1
,
4
2
)
B(42)B(42)
R(19
,
3
0
)
2-B(29
)
R(16
,
4
2
)
2-B(42
)
B(38)
2-B(19
)
B(42
)
B(29
)
B(20)
R(29,
3
0
,
3
1
,
5
6
)
B(20)
G(29
)
2R(18)
B(19)B(19)
R(19)
(VE
A
)
(VEA)
B(42)
B(29
)
R(18
,
2
9
,
4
2
)
B(V
E
A
)
R(18)
R(18
,
2
9
,
4
2
)
B(VEA)
G(4
2
)
R(42
)
O(50)
B(18)
B(19)
O(50)
B(42
)
B(42
)
2B(42)
IVANPAH
MERCHANT
ELDORADO SCE
NSO
MCCULLOUGHBIGHORN (1)
HOOVER
MARKETPLACE
PAHRUMP MEAD
MAGNOLIA
GREENWAYGAMEBIRD
TOLSON
ARDEN
EASTSIDESANDYEQUESTRIANNEWPORTFAULKNER
AMARGOSASINATRAAVERA
DECATUR HENDERSON BASIC
CLARK
WINTERWOOD SUNRISE
MOAPA
BELTWAY PECOSWESTSIDE
IRON MTN.
CRYSTALINNOVATION VEA GT
VISTA VEA
HARRY ALLEN 230
NORTHWEST
LENZIE
DESERTVIEW
REIDGARDNERHARRY ALLENSILVERHAWK
APEX
JF INDIAN SPRINGSMERCURY
N.T.S.
PRIMM
SAND VALLEY
SHREDDER
MCDONALD BREEZE
(27)
(34,35)
B(45
)
(34)
(36
)
B(35)(34)
B(35)
B(35
)
(33)
B(35)
3B(3
5
)
2B(3
5
)
(27
)
(27
)
(27)
B(45
)
B(45
)
B(35)
B(27)
(34,35)
B(45
)
B(35
)
B(36)
B(45)
(36
)
(34,35)
B(35
)
B(35
)
B(35
)
B(35)
2B(27
)
(34,35)
B(35)
(27)(27)
2B(35)
B(35
)
B(35)
(12)
(34
,
3
5
)
(35
)
(27)
(27)
(34
,
3
5
)
B(35)
B(35
)
B(35
)(27)
(35
)
B(45)
B(36)
B(45)
(12)
B(35)
B(36
)
G(35
)
B(35)
B(35)
B(35)
(27)
B(35)
(35
)
B(35
)
(12
)
B(35
)
(27
)
B(12)B(35
)
G(12
,
4
8
)
B(3
5
)
2B(3
5
)
2B(3
5
)
(34
)
(34,35
)
(27
)
B(45)
(35)
B(35
)
B(35,4
5
)
B(35
)
B(45)
(27)
G(35)
B(27)
G(12
,
4
8
)
B(12,35)
B(35)
B(45)
(12)
(35
)

(
3
6
)
B(33)
B(35)
(34)
(27
)
(34)
B(33)
B(35
)
B(35
)
B(3
5
,
4
5
)
G(35
)
B(35)
(35
)
B(35
)
B(35
)
B(35)G(12,
4
8
)
B(12
,
3
5
)
B(35)
(12
,
3
5
)
B(12,35)
B(35)
B(12)
(27)
B(35
)
B(35)
B(35
)
G(35
)
G(12,3
3
,
4
5
)
B(33)
(27)
G(35)
G(35)
B(27
)
2(35
)
B(36
)
B(12)
(27)
COMANCHE
BOONEWEST STATION
PUEBLO NYBERG
AIRPORT MEMORIALBACULITE MESA
CANON CITY
MIDWAY WACM
CANON WESTPONCHA
NIXON
PONCHA JUNCTION KELKER
COTTONWOOD (1)FULLER
GOLDEN WESTKETTLE CREEKTARRYALL LIMON
BIG SANDY
CEDAR POINTALMA
LIMON 345
DANIELS PARK
CLIMAX SULPHUR
WATERTON
BRECKENRIDGE
GREENWOOD
LASTCHANCE
ARAPAHOE SMOKY HILL
DILLON
LOOKOUT (1)LEETSDALE
CABINCREEK DENVERTERMINAL
BRICK CENTER
MISSILE SITE
CHEROKEERIDGE
SPRUCETOWER
PICADILY
RIVERDALE
SKY RANCH
CHAMBERSPLAINS END
GREEN VALLEY
KEENESBURG
RMEC
STORY
PAWNEE
VALMONT
FT. LUPTON
LEGGETT SPINDLE
NIWOT
FT. ST. VRAIN CEDAR CREEKFORDHAM
WINDY GAP
GUNBARREL
LONGS PEAKESTES GREELEY
WELDBOYD
FLATIRONPOLE HILL
HORSESHOE
TIMBERLINE
AULT
KEOTADIXON CREEK
COLLEGE LAKE RAWHIDE
WINDSOR - PSCO
LAPORTE
GREENMOUNTAIN
B(30
)
B(30)
B(30
)
2B(31)
B(31
)B(30)
B(31)
2B(29
)
B(29)
B(31)
B(30
)
B(30)
B(30
)2B(31
)
B(30,31)
2B(29)
B(30
)
B(30)
B(29)
B(29)
B(30)
B(29
)
R(30,3
1
)
B(31
)
G(30
)
2B(29
)
R(30,31
)
B(31)
B(30
)
B(31
)
B(31)
R(29
,
3
0
,
3
1
,
5
6
)
B(31)
2B(2
9
)
B(30
)
B(30
)
B(31
)
B(30
)
B(30)
B(30)
B(29)
B(29)
B(31
)
B(31)
B(29,
3
9
)
B(31)
R(30
,
3
1
,
4
0
,
4
1
)
B(ABEN
G
O
A
)
2B(31)
B(31)
2B(29)
B(31)
B(31)
R(30
,
3
1
,
4
0
,
4
1
)
B(29)
B(31)
R(29,3
0
,
3
1
,
3
2
)
B(30)
B(31
)
G(30
)
B(31)
B(30
)
B(30)B(30
)
R(30)
R(30,31
,
4
0
,
4
1
)
B(30)
B(29,3
9
)
B(30)
B(30)
B(31)
B(30)
B(30
)
2B(29)
2B(2
9
)
R(31)
2B(3
0
)
B(29)
B(29)
R(31,32,44)
R(30,31,4
0
,
4
1
)
R(30,31,4
0
,
4
1
)
2B(3
0
)
R(30
)
B(30
)
2B(29
)
B(29)
B(31)
R(30,31)
B(29)
R(30,31,40,41)
R(31
)
G(32
)
B(30)
R(30,31)
R(30,31)
G(29
)B(29)2G(3
3
)
R(3
1
)
B(29
)
R(32)
R(32)
B(29)
B(30
)
R(32)
R(32)
R(19)
R(30)
R(30)
R(30)
R(21,
3
0
,
4
9
)
R(21
,
3
0
,
4
9
)
B(30
)
2B(3
1
)
B(29
)G(32
)
R(32
)
R(31,32,44)
R(31
)
(29)
B(31
)
2B(31)
R(31)
B(30)B(30)R(30)
VALLEY FARMSCASA GRANDE(AZPS)CASA GRANDE (WAPA)ABEL
DESERT BASIN DINOSAUR
SANTA ROSA
COOLIDGE
SUNDANCE (1)
TEST TRACK
DUKEPINAL WEST
SCHRADER
PANDA
SANTANLONE BUTTE
BROWNINGKNOXKYRENE
ANDERSONSRP
JOJOBA
WARD
ROGERSORME
RUDDTS4
BRANDOWPHOENIXLIBERTY
OCOTILLO
WEST PHOENIX
LINCOLN
PAPAGOBUTTES
REDHAWK
WHITE TANKS SRPWHITE TANKS(AZPS)
PALM VALLEY COUNTRY CLUB
GLENDALE CACTUS
PINNACLE PEAK (SRP)MEADOWBROOK
PINNACLE PEAK(AZPS)TRILBYWASH
REACH
ALEXANDER
SUNNYSLOPE LONE PEAK
PINNACLEPEAK (LC)
AGUAFRIA
DEER VALLEY
EL SOL
GAVILAN PEAK
WESTWING
PERKINS
RACEWAY
PREACHERCANYON
GILA RIVER
HASSAYAMPATAP [NAT]
SUN VALLEY
SPURLOCK
EAGLE EYE
PALOVERDE
HASSAYAMPA
SOLANAGILABEND
THUNDERSTONE
HARCUVAR
CORBELL
SCATTERWASH
FREEDOM
RUNWAY
DELANEY
MAZATZAL
B(46
)
B(46)
B(46
)
B(46)
B(46)
B(46)
B(46
)
2B(4
6
)
B(46)
B(46
)
B(46
)
B(46)
B(46)
B(46)
B(46
)
B(46)
B(46)
R(46)
3B(4
6
)
B(46)
2B(58)
B(46)
2B(46
)
O(46
)
B(46)
2B(
4
6
)
B(46)2B(4
6
)
B(46)
2B(
4
6
)
B(46
)
O(58)
B(46)
R(46)
2R(4
6
)
B(46)
B(46)
R(46)
B(46)
R(58
)
B(46)
SUNNYBROOK
ELLERSLIE
GENESEE
KEEPHILLS
EAST EDMONTON
SUNDANCE
CLOVERBAR
LAMOUREUXWABAMUN
BANNERMAN
NORTH CALDER
SUMMERSIDE
HARRY SMITH
DOME
ARGYLL
JASPER
BELLAMY
POUNDMAKER
LAMBTON
EAST INDUSTRIAL
CASTLEDOWNS
VICTORIA
JOSEPHBURG
AMELIA
DEERLAND
HEATHFIELD
HEARTLAND
PETROLIARIVERVIEW
1. CENTRAL ALBERTA AREA DETAIL
2. SEATTLE - TACOMA AREA DETAIL 3. CENTRAL WASHINGTON AREA DETAIL
5. SAN FRANCISCO AREA DETAIL4. PORTLAND AREA DETAIL
6. LOS ANGELES AREA DETAIL
8. LAS VEGAS AREA DETAIL
7. PHOENIX AREA DETAIL
9. DENVER AREA DETAIL
1
2 3
4
5
6
8
7
9
Note: Not all substations are geographically accurateTo improve readability of map not all transmission lines are annotated with line operators
Map by Hobie Willis, [e-mail] & Chelsea Andrews, [e-mail]
1 Bonneville Power Administration 32Tucson Electric Power Company
2 Avista Corp 33Western Area Power Administration - Colorado River Storage Project
3 Seattle Department of Lighting (Seattle City Light)34Black Hills Energy - Colorado
4 Tacoma Power 35Public Service Company of Colorado
5 PacifiCorp 36Colorado Springs Utilities
6 Portland General Electric Company 37Transmission Agency of Northern California
7 Puget Sound Energy 38El DoradoEnergy
8 PublicUtility District No. 1 of Chelan County 39U.S. Department of Interior Bureau of Reclamation
9 Public Utility District No.1of Douglas County 40Public Service Company of New Mexico
10Public Utility District No. 2 of Grant County 41El Paso Electric Company
11Nebraska Public Power District 42Nevada Power Company
12Tri-State Generation & Transmission Association, Inc.43BlackHillsPower - South Dakota
13Western Area Power Administration - Sierra Nevada Region 44Southwest Transmission Cooperative, Inc.
14Pacific Gas and Electric Company 45Platte River Power Authority
15California Department of Water Resources 46AltaLink LP
16Sierra Pacific Power Company 47Deseret Generation & Transmission Co-operative
17Sacramento Municipal Utility District 48Basin Electric Power Cooperative
18Los Angeles Department of Water andPower 49Imperial Irrigation District
19Southern California Edison Company 50Intermountain Power Agency
20Metropolitan Water District of Southern California 51Centro Nacional de Control de Energía
21San Diego Gas & Electric Company 52Turlock Irrigation District
22British Columbia Hydro and Power Authority 53Modesto Irrigation District
23FortisBC 54Farmington Electric Utility System
24NorthWestern Energy 55Coos Curry Electric Co-operative
25Idaho Power Company 56City of Vernon
26Western AreaPowerAdministration - Upper Great Plains Region57Utah Municipal Power Agency
27Western Area Power Administration - Rocky Mountain Region 58ATCOElectricLtd.
28Northern California Power Agency 59City and County of San Francisco - Hetch Hetchy Water and Power
29Western Area Power Administration - Desert Southwest Region60Teck Metals Ltd.
30Arizona Public Service Company 61Glacier electric Cooperative Inc.
31Salt River Project 62Western Interconnect Transmission Project
Transmission Owners & Operators
AC-DC-AC TIES
PHASE SHIFTER
SUBSTATIONS
Lower Voltages
230 kV - 287 kV
345 kV - 360 kV
500 kV
±500 kV DCO
R
G
B
MAP OF PRINCIPAL TRANSMISSION
JANUARY 2021
©WECC 2021