Single Line Diagrams (SLDs) AESO 2017 Long-term Transmission Plan

FILED JANUARY 2018 Contents

NEAR TERM REGIONAL TRANSMISSION PLANS 3

South Planning Region 4

Calgary Planning Region 5

Northwest Planning Region 6

Edmonton Planning Region 7

LONGER TERM -WIDE TRANSMISSION PLANS BY SCENARIO 8

Reference Case Scenario 9

No Coal to Gas Conversion Scenario 10

New Large Hydro-generation Scenario 11

Western Integration Scenario 12

High Cogeneration Scenario 13

Table of Contents AESO 2017 Long-term Transmission Plan Single Line Diagrams (SLDs)

NEAR TERM REGIONAL TRANSMISSION PLANS

South Planning Region

Calgary Planning Region

Northwest Planning Region

Edmonton Planning Region 925L (to 418L (to 929L (to 38 - Caroline Deer63S) 901L (to Red 17S) 906L/928L (to RedDeer 63S) Johnson 281S) Hazelwood 287S) 1325L (to WATL Sunnybrook 510S) 2029S) 972S) 918L (to Johnson 281S) 13L50 (to 9L59 (to Heathfield Tinchebray

39 - 6L56 WEST 7L128 (to Michichi CASCADE Didsbury CREEK Creek 802S) SHEERNESS 177S CASCADE 802S 807S LAKE CONTROL Sheerness #1 (SH1) LOUISE DAM T756S CASCADE ANDERSON 9L99 953S 29S Sheerness #2 (SH2) BOW1 (Bow 801S 9L100 BANFF River Hydro) 9L70 BOW1 7L171 (to 9L29 9L97 123S 859L COYOTE HORSE CREEK Michichi 9L24 (to

54AL 860L GHOST LAKE 963S 551L 985S T793S Creek 802S) Lanfine 959S) 54L 54L 20S 57 - Airdrie 42 - Hanna 551L 54L WINTERING 742L BOW1 SUNSHINE CANMORE 56L HILLS 804S 7L85 OAKLAND VILLAGE 945S 118S COCHRANE 946S 85L HORSESHOE 291S 42 - Hanna

3S 7L760/760L BOW1 860L RUNDLE WHEATLAND (to Oyen 767S) BAYMAG 754L SEEBE 43 - Sheerness SPRAY 35S 437S 87L 45 - Strathmore / Blackie 7L153 245S 150L 609S 33S 84L 113L KANANASKIS BOW1 933L 934L BOW1 BULLPOUND 2S 150AL 419S NAMAKA 886L Suncor Wintering 3L 803S 9L950 113L JUMPING 428S 733L Hills (SCR4) 914S BARRIER 58L POUND 271S 733L 32S JANET 1064L 691L 7LA760 74S 765L 3L 886L 76L 3AL CROSSINGS STRATHMORE HUSSAR 3L 150L 1065L SAND HILLS BOW1 511S 151S BOW1 3L 431S 48 - Empress SUB 341S

76L

90L SPRINGBANK WARE 760AL 936L LANGDON PCESO1L

JUMPING POUND 1114L THREE SISTERS 272S 47 - Brooks JUNCTION 937L 102S 733L

JUNCTION 43S EnCana 132S 871L 36S BENNETT 950L WARDLOW SHEPARD #1 (EC01) 510S 230S EMPRESS MT. ALLAN SS-25 CAVALIER AMOCO 115S 777L 6 - Calgary GLEICHEN LIQUIDS 164S EMPRESS SS-65 179S BASSANO EMPRESS 760L 163S 44 - Seebe 601L OKOTOKS 931L 435S 944L 1002L 394S 678S 850L 1075L POCATERRA 951L 945L BOW1 Carseland 525S

48S 876L 668L MAGCAN 831L 869L BLACK Cogen (TC01) 851L 158L 727AL 924L 1053L DUCHESS DIAMOND 142S 1002L BOW1 927L 339S JENNER 392S 13L 1011L

646L 945L 727L 853AL INTERLAKES HARTELL CUTTING 275S 1011L 669L SANDY 512S 49S WEST 831AL LAKE 227S POINT 853L CASSILS 814L CYPRESS 812AL 434L 753L BROOKS 204S 887L 324S 28S ARC1 562S SK 812L HIGH 753L FOOTHILLS BLACKIE 876L QUEENSTOWN INTERTIE RIVER 827L BROOKS 1106L 237S 253S 161L 504S AltaGas 65S MILO 923L 923L 1051L 121S Bantry (ALP1) 830L 1107L 1087L 1052L MCNEILL 46 - High River 356S 935L 1088L 1034L 666L TILLEY

935L STATION 1087L 161L 498S 658L 840S 1L274 VULCAN 255S NEWELL 1088L 1034L 1035L 100L 2075S 1035L 1037L 1038L

1036L 1005L SUFFIELD 49 - Stavely 763AL 795L FORDING COAL 895S CHAPPICE

180L EAST 763L BRITT CREEK 978S 892L 1034L LAKE 649S 674L STAVELY STAVELY BSR1 Blacksprings ENCHANT British Columbia 197L Ridge TRAVERS 1035L 349S 928S 447S 52 - Vauxhall SC1 554S VAUXHALL BLACKSPRING BOWMANTON 266S 158S RIDGE 485S 1042L 244S HAYS 53 - Fort Macleod AltaGas MEDICINE Parkland (ALP2) 421S 821L HAT PLANT 675L 180L

1037L 1201L 1038L HULL Oldman 2 1041L 1005L Cancarb Medicine MEDICINE MONARCH 257S Hat (CCMH) WINDY Wind Farm 1 Blue Trail HAT 41S 492S PICTURE 4 - Medicine Hat

1L274 FORT POINT Wind (BTR1) RANGE PIPE 54 - 880L BLUE TRAIL MACLEOD BUTTE 120S #1 (CMH1) 513S 112S COALDALE 676L

15S 463AL 528S 940L AltaGas CUPC Oldman 608AL NORTH 254S 507L BULLSHEAD 172L Burdett (ME03) River (OMRH) 893AL SUMMERVIEW 463L LETHBRIDGE TABER FINCASTLE 523S WINDY 967L 1036L AltaGas 893BL 354S 370S 336S 879L OLDMAN FLATS 138S 968L 172L Coaldale (ME04) 172L 83S 610L 612L 879L 770L 820L RIVER 806S 893L Summerview 770L 600L 514L ELKWATER CRANBROOK 1-2 (IEW1-2) PEIGAN GTE1 Coaldale BURDETT NATAL 734L UPLANDS 172EL AltaGas B2S 59S CHINOOK 368S 264S 241S Taber (ME02) TABER WIND 1071L 1071L 181S 207L MACDONALD CHIN 2L113 1048L 813L HILLRIDGE FARM 134S 1072L 994L 725L COALBANKS 146S CHUTE CRR1 1049L 139S 667L LAKEVIEW 607L 607AL PEACE 608L 315S Enmax 786L Cowley Ridge 624L 111S 593S Taber (TAB1) 722L BUTTE (CRWD) 820AL 514BL IRRICAN Suncor Chin 964L 404S 1L275 CASTLE ROCK FIDLER GWW1 603L 725BL BOWRON 823L COLEMAN POWER 314S Chin Chute Chute (SCR3) COWLEY 893L 983L RIDGE 205S 312S 674S 725AL 994L

1072L (CHIN) 799S RIDGE 322S 300L 725L 824L

170L 514L 616L SODERGLEN WESTFIELD WHITLA 725L ICP1 412L RIVERBEND CONRAD 251S 112L 243S 820L 107S Castle River 618S 135S 616AL ARDENVILLE #1 (CR1) AKE1 MCBRIDE 170AL RUSSELL 955L WIND FARM 418S 632S GOOSE KETTLE'S LAKE 240S 863L LAKE 956L HILL 383S CASTLE KHW1 ARD1 MAGRATH STIRLING 508L 103S GARDEN 891L Coal Generator Normally Open Line RIVER 239S PINCHER 225S 67S 164L GLENWOOD CITY 226S 225L CREEK 162L Gas Generator 69/72 kV 229S Suncor WARNER 396S Magrath (SCR2) 225L 344S Hydro Generator SHELL 69/72 kV Double Circuit 225AL

225L CHD-1 WATERTON RAYMOND Wind Generator 591L 185L BELLAMY RIVER 138/144 kV 502S TAYLOR RESERVOIR CHUTE HYDRO SPRING Other Generator DRYWOOD HYDRO 313S South Region 138/144 kV Double Circuit 185AL COULEE Taylor Hydro WATERTON 415S PLANT Raymond 385S (TAY1) Future 138 kV Substation 379S Drywood RANGELAND SAINT MARY Reservoir (RYMD) 138/240 kV Double Circuit (DRW1) YARROW HYDRO Short-Term Projects 69 or 72 kV Substation 995S 240 kV 138 or 144 kV Substation

MATL (to MATL USA) This diagram contains a simplified 55 - Glenwood 240 kV Double Circuit version of the system configuration. 240 kV Substation 500 kV Technical detail has been simplified 500 kV Substation New Facilities for illustration purposes. It does not Future 138/144 kV Line Rebuilds indicate geographical locations of facilities. HVDC Line For detail on the Calgary Area please AESO Planning Areas see the Calgary Sub-Region diagram. Currency Date: 2017-11-28 39 - Didsbury WEST EAST 901AL CROSSFIELD 752AL 316S CROSSFIELD 752L 64S NOSE 752L

918L (to 918L CREEK 688AL SUMMIT

906L/928L 284S

Johnson 281S) Johnson 653S 42 -

(to Benalto 17S) Benalto (to 688L Crossfield Energy EAST AIRDRIE Hannah Centre #1-3 (CRS1-3) 199S 57 - Airdrie 929L (to Deer 63S) Deer

631L Hazelwood 287S) 631L Red (to 901L

611L 925L (to Red Deer63S) DRY CREEK 611L 186S Nexen Inc CALGARY ENERGY #1-3 (NX01-3) PCES02L 162.81L CENTER CEC BALZAC TURBO CO-GEN ENMAX 918L BALZAC 391S CEC (CAL1-2)

932L (to WATL 1325L 918L 510S) Sunnybrook SS-47 771L 11.83L SS-14 BEDDINGTON 44 - 11.82L SS-11 39.82L SS-162 14.83L Seebe SS-39 SS-16 22.81L SS-36 SS-27 11.81L 16.63L 16.61L 13.60L SS-13 13.82L SS-22

16.60L U of C DG 21.61L Generator 15.62L 16.60L (UOC1) BEARSPAW 36.81L

932L

SS-34 3.84L PLANT 44S 929L

925L 901L 38.83L 2.83L

860L (to 15.62L 21.61L SS-15 3.82L Cochrane (U/G) SS-3 291S) Bow River SS-8

Hydro 7.84L (BOW1) SS-38 1.84L 50L SS-20 SS-5 1.83L (U/G) 1.85L (U/G) (U/G) 2.83L

15.60L 21.61L SS-1 1.82L (U/G) 37.81L 906L 928L

1.81L (U/G) 1.81L SS-21 20.82L 1.80L SS-37 (U/G) 2.83L

2.82L (U/G) 2.82L EAST SS-7 1.80L SS-2 CALGARY Chestermere 5S 491S 765L (to 6 - Calgary 37.82L Strathmore 151S) 21.80L

1.80L SS-23 7.82L 2.80L 23.80L JANET SARCEE 691L 42S SS-28 SS-10 SS-12 833L 74S 150L (to 833L 916L 936L Ghost 20S) 28.80L

937L 1064L 1065L 985L 1003L

693L 832L SHEPARD 3L (to Seebe 245S) 150L 2.81L 3L 916L 916L SS-25 EGC1-3 CROSSINGS Shepard 24.83L 35.81L SS-9 511S SS-43 9.80L SS-31 924L SS-35 9.83L 24.81L LANGDON

1114L 102S 927L SS-24 BENNETT (to Milo 356S) 33.84L SS-32 31.84L Calgary Region 6.80L 510S SS-6 SS-33 1109L Short-Term Projects 26.81L 1080L

This diagram contains a simplified 24.82L version of the system configuration. 6.82L 33.83L 32.83L Technical detail has been simplified 24.82L 26.83L 850L (to for illustration purposes. It does not 40.81L 26.83L SS-65 Carseland 525S) indicate geographical locations of facilities. SS-40 SS-26 (Underground lines are marked U/G) SS-41 41.84L 54.81L Gas Generator HVDC Line 45 - Strathmore 69/72 kV SS-54 Hydro Generator / Blackie 69/72 kV Double Circuit Future 138 kV Substation

138/144 kV 1106L 1107L

69 or 72 kV Substation 138/144 kV Double Circuit

BLACK (to 1201L OKOTOKS Intertie) BC 138 or 144 kV Substation 138/240 kV Double Circuit DIAMOND 678S 240 kV 392S MAGCAN 240 kV Substation 158L 727AL 240 kV Double Circuit 142S 727L 500 kV Substation HARTELL 13L 500 kV FOOTHILLS 512S HIGH 646L 237S Future 138/144 kV New Facilities 46 - High RIVER 753L (to AESO Planning Areas

812AL Blackie 253S) River 812L 65S 434L 1037L 1038L (to SC1 266S) Currency Date: 2017-12-11 Rainbow #5 (RB5) RAINBOW ZAMA SULPHURPOINT 17 - Rainbow Lake HIGH LEVEL COGEN 850S 795S 7L72 828S 786S 7L76 Rainbow Lake 7L29 7L122 #1 (RL1) BASSETT 7L133 BLUMENORT 747S RAINBOW CHINCHAGA 832S 7L93 7L64 RIVER 779S LAKE 791S 7L109 7L59 7LA59 ARCENIEL 930S MELITO

Wescup 7L81 KEG RIVER 890S HAIG 789S RIVER FORT NELSON 7L113 748S KEMP RIVER FNG 7L58 7L62 1L357 RING CREEK 797S 1L359 18 - High Level 9L57 (to 853S 7L120 MEIKLE 7L138 905S

7L82 7L63 Birchwood Creek 960S) Fort Nelson Harvest (FNG1) CADOTTE PetroCan Energy FNC RIVER 783S KLC

HAMBURG 7L106 7L131 LIVOCK British Columbia 855S HOTCHKISS NORCEN KIDNEY LAKE 939S 788S Daishowa 812S 878S

7L51 SEAL (DAI1) 19 - Peace River BUCHANAN CARMON LAKE 869S CREEK 927S 830S DAISHOWA 7L94 EUREKA 6L16 839S 7L08 LUBICON RIVER WESTPEACE 7L04 780S 9L10 861S 7L27 7LA12 HINES 793S 7L60 CRANBERRY CREEK 724S 7L12 LAKE 827S 6L37 WESLEY BRINTNELL

BOUCHER 7L75 CREEK 834S CREEK 829S 7L73 9L15 7L61 876S DONNELLY NIPISI 20 - Grande MOWAT 2033S FRIEDENSTAL 784S 796S

7LA10 Future 800S WABASCA KSITUAN 240 kV Prairie RIVER 754S 7L10 720S RYCROFT Sub NARROWS Northern Prairie 7L06 CREEK 858S Power Project (NPP1) 730S 7L23 UPDIKE HIGH 25 - Fort SADDLE LOWE PRAIRIE OTAUWAU 9L56 886S HILLS 7L68 LAKE 21 - High McMurray 865S 787S 729S 944S CLAIRMONT Prairie 7L30 7L48 LAKE 7LA48

9L11 7L88 6L91 7L34 POPLAR 7L101 SOUTH 6L73 7L49 MITSUE 7L22 811S 727S HILL 790S BEZANSON 7L31 7L162 732S A.E.C. MILL 7L07 862S TRIANGLE SLAVE 815S 882S 6L99 844S 7L32 House LAKE 745S

VALLEYVIEW Mountain 6L57

7L39 SWAN Poplar Hill 7LA39 HSM1 MERCER 794S RIVER 735S #1 (PH1) HILL 728S BEAR 6L96 9L40 CREEK SWANDIVE CRYSTAL 7L69 679S ALBRIGHT & 854S 7L54 LAKE 722S 6L97 WILSON 752S 6L68 AQU1 FEDERATED EDITH LAKE PIPELINES 744S Flyingshot P&G 739S 7L03 BCR 7L84 A808S FREEMAN 1-2 7LA13 LAKE 742S 7L44 7L172 27 - 731S FLYING SHOT VVW1-2 SARAH LAKE 749S 7L13 Athabasca/ VALLEY VIEW 6L11 LAKE 743S 7L33 Elmworth-Northstone P.R.O.P.L. 736S 913L/9L913

Power (NPC1) 7L09 7L46 STURGEON 2 7L43 Lac La 881S VIRGINIA 7L33 7L01 HILLS 6L126 Biche CG&E BIG 7L56 738S 7L45 6L54 WAPITI 758S MOUNTAIN

7LA45 823S 845S LITTLE 7L55 GOOSE FIELDGATE EcoPower (GPEC) GOC1 BRIDGE 7L228 SMOKY RIVER 725S 824S CREEK

7L57 813S 7L230 798S 7L67 THORNTON

DOME SIMONETTE 515L 2091S Judy CUTBANK 733S 7L40 9L02 Creek 810S 7L20 9L05 7L19 (GEN6) Sturgeon 23 - FEDPIPE #1-2 (ST1-2) LOUISE MORSE JUDYCREEK 7L80 STURGEON CREEK RIVER 22 - Valleyview 515S 734S 809S 851S FORT KAKWA 7L90 26 - Swan 7L78 Grande 7L20 ASSINIBOINE RIDGE 9L939 JUDY CREEK 9L938 857S FOX Hills GAS PLANT 888AL 234S Cache 785S 7L80 CREEK 24 - Fox 741S ESSO JUDY Creek H.R. Milner H.R. MILNER CREEK 638S JUDY 526AL CREEK (HRM) 740S 526L 7L199 CHICKADEE 236S 40 - CREEK 259S NRGreen 29 - Hinton (NRG3) 519L Wabamun FOX CREEK 519AL / Edson (AltaLink) 347S NORTH 723L (to 526BL BARRHEAD

526L Westlock BENBOW 720L 199AL MOBIL OIL NW Region 69S 438S) 397S 199L PEGASUS CARSON 864L 520L LAKE 659S CREEK 887S IMPERIAL OIL Short-Term Projects CARSON LAURA This diagram contains a simplified 907L LAKE 996S LAKE 661S 913L CHERHILL 864AL 864BL MILLAR WESTERN version of the system configuration. ALBERTA 826L 338S 123L (to 484S BLUE RIDGE NEWSPRINT 122S Onoway 352S) Technical detail has been simplified CHEVRON 825L LUMBER 701S KNIGHT 355S KAYBOB WHITECOURT 797L for illustration purposes. It does not 9L938 346S 685L 268S 798L 1046L indicate geographical locations of facilities. 503L 9L07 CHEVRON EAGL 9L939 KAYBOB 551S 797L WABAMUN 905L (to North MARLBORO WHITECOURT 798L 156L 19S Calder 37S) POWER 323S SAGITAWAH 348S DEER HILL 799L Coal Generator Normally Open Line 77S 1012S WHITECOURT 2739S Gas Generator 69/72 kV SOUTH 124L 854AL INDUSTRIAL 364S MAYERTHORPE Carvel896L 432S) (to Other Generator 69/72 kV Double Circuit Talisman 443S Edson PADDLE 919L 854L (TLM2) RIVER 106S 989L Future 240 kV Substation 138/144 kV PINEDALE 133L (to 522L EDSON T.M.P.L. 207S NITON 228S Junction) 902L 744AL 69 or 72 kV Substation 138/144 kV Double Circuit 671L 58S 1046L 890L 744L 138 or 144 kV Substation 240 kV 740L ENTWISTLE T.M.P.L.

156BL GAINFORD 240 kV Substation 240 kV Double Circuit BICKERDIKE 235S 165S SUNDANCE 39S 310P 1045L/909L Future 138/144 kV New Facilities (to Junction) 512L Future 240 kV 202L (to 973L Facility Upgrade Cynthia SUNDANCE 234L/521L (to Junction) 178S) 974L 821S AESO Planning Areas 847L (to 767L (to

602S) 602S) 426S) 745L (to745L Cold Creek 30 - Drayton Valley Lake131S) 740L (to740L Benalto 17S) Coalspur Currency Date: 2017-10-11 922L/926L (to 672L (to672L Moon ColdCreek Marion 21S) Poundmaker)

(U/G = Underground Line) Underground = (U/G Inset Edmonton of City 744L (to Paddle insets. as shown are East Edmonton and Edmonton of City the clarity For facilities. of locations geographical indicate not does It purposes. illustration for simplified been detail has Technicalconfiguration. system of the version simplified a contains diagram This Short-Term Projects Region - Edmonton

(to Bickerdike 89S) Bickerdike (to 1098L (to 1098L 920L (to North (to 920L

Calder 37S) Calder River 106S) 77S) Sagitawah (to

973L/974L 1045L (to 919L/989L

Sundance 310P) Sagitawah 77S) Sagitawah JASPER 805S

1044L (to 799L MEADOWLARK (U/G) 72JM18 (Normally Open Point Open (Normally

(to Petrolia) Substation) within WOODCROFT (Normally Open Point Open (Normally within Substation) within 72JW19 (U/G) 72JW19

72MG16 (U/G) 72MG16 72RW3 (U/G) MAYERTHORPE Alberta #1 & 2 & #1 Alberta University of University (UOA1-2) 672L (to Moon SOUTH 443S Blatchford Lake 131S) 72NW15 ENTWISTLE 235S GARNEAU ROSSDALE

72RG1 (U/G) 240CV5 (U/G) 974L 973L 72RG7 (U/G) STRATHCONA CASTLE 72RV4 DOWNS

(U/G) - 30Drayton (U/G) Valley 156L

VICTORIA

BELLAMY NAMAO 72RS5 72VN21 (U/G) 511S

72RV6 (U/G) 989L 919L

72RV2 (U/G) (U/G) 72NK23 GAINFORD 165S GAINFORD

MARION

(U/G) T.M.P.L.

21S 1055L 240BA2

(to Petrolia) - 26Swan 40 - 40Wabamun Sarah (to 7L230 Lake 743S) Lake

FORT ASSINIBOINE FORT

(U/G) Hills

ARGYLL 1056L (to 240BA3 767AL 72CN10 (U/G) 72CN10 SUNDANCE 888AL Ellerslie 89S) KENNEDALE 234S 821S 72LS24 156BL MINE T808S MINE HIGH VALE HIGH Cloverbar #1-3 Cloverbar (ENC1-ENC3)

72LH8 922L/926L 767L (to Benalto 17S) 767BL 1058L (to LAMBTON HARDISTY

72CK12 (U/G) 72CK12 72CK13 (U/G) 72CK13

72CH11 (U/G) 72CH11 72CH9 (U/G) 72CH9 512L

Summerside BAR987S CLOVER 657S) WABAMUN SUNDANCE 2739S 310P

Sundance #1-6 Sundance 124L WABAMUN BLOW-DOWN (SD1-SD6) SUNDANCE 19S 867S Edmonton 38S) Edmonton

1059L (to East (to 1059L 767L Lamoureux 71S) Lamoureux VALLEY 635S VALLEY

NEW ROSE NEW

Edmonton 38S) Edmonton 913L (to Lamoureux 71S) Lamoureux

915L (to East (to 915L 521L

920L (to 920L

234L 1046L 913L Mitsue 732S) Ellerslie 89S) Ellerslie 921L (to 921L 767CL 1046L CHERHILL 521AL

Keephills 1-3 947L (to 947L 69S BARRHEAD (KH1-KH3) 1045L 338S 909L

902L NORTH

521L 133L 123L

KEEPHILLS 234L 834L 522L 320P 834L (to Keystone 384S) ONOWAY

SUNNYBROOK 352S 522L

1203L 1202L

190L/903L (to 510S 809L

Benalto 17S) 896L 1203L

522L 430L

1325L WATL (to 905L

Westlock 438S) Westlock 1239L 1238L Langdon 102S) 522AL CARVEL 723L (to 723L 432S Genesee #1-3 Genesee (GN1-GN3) 866S & 868S & 866S MAKE-UP KEEPHILLS/SUNDANCE GENESEE 330p 31 - 31Wetaskiwin 1202L 1043L 790L 790AL BILBY 105S

1209L STONY PLAIN Currency Date: Currency 2017-11-29 434S 1045L 909L LAKE 964S LAKE 452L PIGEON HARRY BUFORD SMITH 367S

837L 538S 500 kV kV Substation 500 kV Substation 240 Substation kV 144 or 138 Substation kV 72 or 69 GasGenerator Generator Coal 453L 446L

632L 1139L

805L 739L ACHESON 838L 1045L 677L 712L 712L 305S POUNDMAKER 1044L 909L 838L 739L 1044L SPRUCE DOME

1044L GROVE 632L 838L 595S DEVON ALBERT 99S ALBERT NORTH ST. NORTH 14S PETROLIA 908L 729L (to 747L

1098L 792L Clyde 150S)

930L

PONOKA 1055L CARDIFF N.W. 739L

331S

BLACKMUD

909L VISCOUNT

JASPER

711L 908L 805S 191S LEDUC 155S 92S CEMENT

INLAND 325S

27 - 27/ Athabasca

747L 898L Biche Lac La CREEK WOLF CALDER 37S CALDER 422L 421L 288S 149S 240BA2 138/144 kV 138/144 Circuit Double kV 69/138 Circuit Double kV 69/72 kV 69/72 Line Open Normally Line HVDC

1055L NORTH 604L Blatchford ARGYLL BELLAMY

1083L 910L 455L 454L 1056L 240BA3 910L 910L 910L 1112L ELLERSLIE VICTORIA CASTLE 914L 914L 1140L DOWNS 89S

BIGSTONE 240CV5 SAUNDERS 914L 914L 289S LAKE VICTORIA

1083L/914L 86S 804L 803L (to Red 920L BAR 987S BAR Deer 63S) CLOVER 761L 915L 947L 883L 40S

858L 174L 804L 921L Lamoureux 71S) 920L/921L (to Lamoureux 71S) Lamoureux

858L (ENC1) 1-3 Cloverbar 726L (to 726L 780L 746L TRUWELD GRATING TRUWELD AESO Planning Planning AESO Areas Rebuilds Line Facilities New Circuit kV Double 500 kV 500 Circuit kV Double 240 kV 240 Circuit Double kV 138/144 NELSON LAKE NELSON 60 - 60Edmonton 729AL 429S 6500S

731L

Lamoureux 71S) 897L

746BL FIBERGLASS 746AL 761L (to 1206L/1212L

BROADMOOR (to Heartland 12S) 174L 780L 420S

636L

700L SHERWOOD

729L PARK 746S BRETONA WESTWOOD

CANADA LIQUID 694L 874L 45S

422S 709L (to Sherritt AIR 337S AIR FORT SASK. FORT Gordon 721S) 54S ELLERSLIE Inset Edmonton East

LAKE 522S LAKE Strathcona)

72LS24 (to 72LS24 Hardisty)

COOKING 72LH8 (to 72LH8 PLASTIC PLASTIC 89S 5RS 4RS 706L (to 410S) Josephburg 706L (to AT AT 166S) Saskatchewan Fort KINGMAN 707L (to Dow Chemical Dow 707L (to EDMONTON 1057L 299S STELCO 738AL 908L 133S 33 - Fort - Saskatchewan 33Fort ERVICK QUEENSLAND 542S INDUSTRIAL EAST 301S 1057L Generator EDMONTON 95S EDMONTON Camrose CRG1 822AL IMPERIAL OIL IMPERIAL 174L LAMBTON

EDMONTON 738L

732L 1058L EAST 737L SUMMERSIDE 38S 1059L 1059AL 908AL

729L 822L 732AL 657S

CAMROSE 1059L EAST 285S 908L 730L 908L BARDO 197S 946L 946L 915L

947L 215L 915L 921L YASA 947L 947L 286S BAR 987S BAR 780L (to CLOVER Cooking 780L

Lake 522S) 736L 897L 897L BERNESE 731L 865L EDMONTON 184S EDMONTON PETRO-CANADA 293S 605L

KNIGHTSBRIDGE 761L (to 705L BRETONA Lamoureux 741L 874L (to Cooking 874L (to 45S 71S) BASELINE Lake 522S) Lake 216S BRETVILLE Broadmoor 174L (to North (to 174L Holden 395S) Holden 731L 731L (to 317S 420S) 185S

1206L/1212L (to Heartland 12S) 606L AESO 2017 Long-term Transmission Plan Single Line Diagrams (SLDs)

LONGER TERM ALBERTA-WIDE TRANSMISSION PLANS BY SCENARIO

Reference Case Scenario

No Coal to Gas Conversion Scenario

New Large Hydro-generation Scenario

Western Integration Scenario

High Cogeneration Scenario 13S 1054L DEERLAND 792L (to

Clyde150S) 9L960 AESO 2017 LTP 12S 1061L HEARTLAND 9L961 191S NW (to Whitefish CARDIFF 2029S Lake 825S) 12L70 HEATHFIELD

792L Reference Case Projects 12L85 92S 13L50 (to VISCOUNT This diagram contains a simplified version of the system 898L Newell 2075S) CASTLE configuration. Technical detail has been simplified for illustration 681S 905L (to DOWNS Wabamun 19S) 920L 920L 920L 71S BANNERMAN purposes. It does not indicate geographical locations of 921L LAMOUREUX facilities. For detail on Calgary, Edmonton and Fort 37S NORTH CALDER 805S Saskatchewan Areas please see the inset diagrams. 930L

JASPER 947L 943L 1098L 1061L 915L 921L VICTORIA 987S

POUNDMAKER 942L CLOVER BAR 1061L 1045L/909L (to

Sundance 310P) 1045L

1044L BELLAMY 38S EAST 1061L

915L EDMONTON 1120L Currency Date: 2017-11-30 1139L 943L 942L 997L 1120L 505S 1043L (to FORT HILLS 946L

Keephills 1044L 240BA2 240BA3 PETROLIA 908AL 838S 942L 320P) 908L 1120L 108S

1059AL 908L HORIZON 842S HORIZON ARGYLL 1059L 367S AMELIA MINING UPGRADING HARRY 908L 1055L EAST 957S SMITH 75-PLH-3 2005S 9900S 909L INDUSTRIAL MCCLELLAND SECORD 635PL9-1000 635PL9-1001 410S 75-PLH-4 KEARL 1202L (to 1059L DOME 1056L JOSEPHBURG 941S 9L101 L9900 657S 9L69 Keephills 908L 908L BITUMOUNT AURORA 925S SUMMERSIDE LAMBTON 9L32 320P) 909L 75_PLH-901 75_PLH-902 GREEN STOCKING 947L 946L 847S 934S 9L39 849S 1057L MUSKEG BLACK 9L77 29PL9-12 1058L JOSLYN 29EDD-65 9L32 RIVER FLY CREEK 920S 9L66 9L66 29PL9-13 JACK PINE 1209L (to 9LJH1 29EDD-34 Genesee 9LJH2 330P) 89S 1206L ELLERSLIE 1212L KVAL-1 KVAL-2 29EDD-3 9L08 9L09 29PL9-5 29PL9-6 29PL9-14 29PL9-15 D05 Lake289S) 1112L/1140L (to Saunders Edmonton/Fort Sask. Areas Inset

874S 29EDD-1 29PL9-3 29PL9-4 29EDD-0056

MCKAY RL1 RL2 MILLENNIUM 9L43 RIVER 888S DOVER 29PL9-1

9L01 29PL9-2

29PL9-16 29PL9-17 9L74 9L58 9L58 848S 29EDD-34 RUTH VOYAGEUR LAKE

9L23 9L74 9L84 937S 960S 951S AMR02 BIRCHWOOD Thickwood CREEK Hills 9L19 9L144 9L28 2015S YEO 977S SALT CREEK

9L57 9L07 834S WESLEY 2011S 856S 876S 939S 9L85 CREEK 9L10 DAWES KINOSIS BRINTNELL LIVOCK 9L15

2049S 539S KETTLE 9L45 SUNDAY 762S RIVER CREEK CONKLIN 720S

WABASCA 9L89 723S

9L990 CHRISTINA 971L 957L 1118L 9L56 72S LAKE 154S BLACK 730S LEISMER 1099L SPRUCE RYCROFT 885S 852S Future MCMILLAN ROUND 1090L 1091L 698S 240 kV 9L55 HILL JACKFISH Sub 1085L 1115L 732S 1086L

MITSUE 9L930 1117L 1116L 170S 167S PIKE 9L11 9L47 IPIATIK

898S 813S 9L40 HEART LAKE 9L02 9L05 809S 9L913 LOUISE 9L22 9L81 826S CREEK 9L36 MARGUERITE 9L37 LAKE 741S FOX CREEK 9L938 9L939 122S ALBERTA 913L 907L NEWSPRINT 69S NORTH 9L960 825S 9L961 BARRHEAD WHITEFISH 12S See Edmonton/Fort 13S LAKE Sask. Areas Inset HEARTLAND DEERLAND 9L07

9L939 338S 9L938 CHERHILL 77S SAGITAWAH 919L 989L 19S 1046L WABAMUN 905L

909L 902L 1045L 973L 974L 1043L 310P 39S SUNDANCE 320P BICKERDIKE 1203L 1202L KEEPHILLS

1238L 1209L 1239L 1112L 1140L 926L 922L 510S 62S 330p 289S SAUNDERS SUNNYBROOK BRAZEAU GENESEE LAKE 574S NILREM

910L 914L 86S 68S BIGSTONE 995L 757S

WILLESDENGREEN 190L 903L 288S WOLF BATTLE

953L 648S CREEK RIVER 1047L 9L27 914L 1083L 87S 995AL 1083L 9L953 953L GAETZ 9L79 9L80 914L 9L20 954L 922L 1047L 17S 912L 766S 755S 9L16 650S BENALTO 9L948 NEVIS CORDEL 948L HANSMAN

900L 972S 863S 966L LAKE 926L 63S 9L93 PAINTEARTH 1081L TINCHEBRAY Future 240 kV Substation HVDC Line 995L RED 912L DEER 914L 1082L 9L966 Future 500 kV Substation 138/144 kV 287S 13L50 615S 281S HAZELWOOD HALKIRK JOHNSON 932S 138 or 144 kV Substation 138/144 kV Double Circuit

9L59 PEMUKAN 240 kV Substation 240 kV 1325L 901L 925L 929L 500 kV Substation 240 kV Double Circuit 906L 928L 9L99 807S 801S SHEERNESS 9L46 64S EAST ANDERSON 9L100 Future 138/144 kV 500 kV CROSSFIELD 963S 9L97 918L COYOTE 946S LAKE 9L24 959S Future 240 kV 500 kV Double Circuit CEC 9L70 OAKLAND See Calgary 9L29 LANFINE SS-162 74S Future 240 kV Double Circuit New Facilities Area Inset 5S 520S 9L950 Future 500 kV Line Rebuilds 933L 934L SS-25 132S 163S AMOCO 1053L 950L 102S WARE JUNCTION EMPRESS 42S 275S 511S SARCEE SS-65 JENNER 924L 324S 1051L 1002L 1002L 927L 935L CASSILS 1052L 931L CALGARY 1075L 1106L 1107L 944L 945L 1011L ENERGY 923L 28S WEST 951L Deer63S) 935L 945L

356S 1011L Deer63S) 901L (to Red 929L (to 237S BROOKS 562S 925L (to Red 918L (to 918L CENTER 1087L 498S TILLEY FOOTHILLS MILO 1034L 1088L CYPRESS Benalto 17S) Benalto SS-162 906L/928L (to 906L/928L 100L Hazelwood 287S) 923L Johnson 281S) Johnson BEDDINGTON 554S 1087L 895S 658L 1325L WATL (to WATL 1325L TRAVERS 2075S 1035L 649S Sunnybrook 510S) Sunnybrook 485S SUFFIELD 918L 1036L 1005L NEWELL 1088L CHAPPICE LAKE BLACKSPRING 892L 1064L 1037L 1038L 932L 929L RIDGE 925L 901L 244S 5S EAST 1065L 266S 1042L BOWMANTON SC1 1037L 1034L 1201L 120S CALGARY 205S CASTLE 1038L 1035L 138S PICTURE BUTTE 74S JANET ROCK RIDGE 1005L 1041L WINDY 41S 312S 906L 928L 491S 59S FLATS MEDICINE HAT Chapel Rock 1071L FIDLER PEIGAN 916L 936L 964L 983L 511S 940L 937L 1041L CROSSINGS 967L 370S NORTH 251S 1048L 968L LETHBRIDGE WHITLA SS-25 1049L 1072L 42S SHEPARD 102S 994L SARCEE LANGDON 1114L 103S 955L 520S GOOSE

1109L 956L 1080L BENNETT LAKE*

SS-65 *Preliminary termination sub for Chapel Rock

connection, final termination sub will be MATL (to USA)

Milo 356S) Milo determined based on future assessments 924L/927L (to 924L/927L 266S) 1106L 1107L (to SC1 1201L (to 1201L

Calgary Area Inset Intertie) BC 13S 1054L DEERLAND

792L (to AESO 2017 LTP - No Clyde150S) 12S 1061L 9L960 HEARTLAND 9L961 191S NW (to Whitefish CARDIFF 2029S Lake 825S) Coal-to-Gas Conversion Projects 12L70 HEATHFIELD 792L 12L85 92S 13L50 (to This diagram contains a simplified version of the system VISCOUNT 898L Newell 2075S) configuration. Technical detail has been simplified for illustration CASTLE 681S 905L (to DOWNS purposes. It does not indicate geographical locations of Wabamun 19S) 920L 920L 920L 71S BANNERMAN 921L LAMOUREUX facilities. For detail on Calgary, Edmonton and Fort 37S NORTH CALDER 805S Saskatchewan Areas please see the inset diagrams. 930L

JASPER 947L 943L 1098L 1061L 915L 921L VICTORIA 987S

POUNDMAKER 942L CLOVER BAR 1061L 1045L/909L (to

Sundance 310P) 1045L

1044L BELLAMY 38S EAST 1061L

915L EDMONTON 1120L Currency Date: 2017-11-30 1139L 943L 942L 997L 1120L 505S 1043L (to FORT HILLS 946L

Keephills 1044L 240BA2 240BA3 PETROLIA 908AL 838S 942L 320P) 908L 1120L 108S

1059AL 908L HORIZON 842S HORIZON ARGYLL 1059L 367S AMELIA MINING UPGRADING HARRY 908L 1055L EAST 957S SMITH 75-PLH-3 2005S 9900S 909L INDUSTRIAL MCCLELLAND SECORD 635PL9-1000 635PL9-1001 410S 75-PLH-4 KEARL 1202L (to 1059L DOME 1056L JOSEPHBURG 941S 9L101 L9900 657S 9L69 Keephills 908L 908L BITUMOUNT AURORA 925S SUMMERSIDE LAMBTON 9L32 320P) 909L 75_PLH-901 75_PLH-902 GREEN STOCKING 947L 946L 847S 934S 9L39 849S 1057L MUSKEG BLACK 9L77 29PL9-12 1058L JOSLYN 29EDD-65 9L32 RIVER FLY CREEK 920S 9L66 9L66 29PL9-13 JACK PINE 1209L (to 9LJH1 29EDD-34 Genesee 9LJH2 330P) 89S 1206L ELLERSLIE 1212L KVAL-1 KVAL-2 29EDD-3 9L08 9L09 29PL9-5 29PL9-6 29PL9-14 29PL9-15 D05 Lake289S) 1112L/1140L (to Saunders Edmonton/Fort Sask. Areas Inset

874S 29EDD-1 29PL9-3 29PL9-4 29EDD-0056

MCKAY RL1 RL2 MILLENNIUM 9L43 RIVER 888S DOVER 29PL9-1

9L01 29PL9-2

29PL9-16 29PL9-17 9L74 9L58 9L58 848S 29EDD-34 RUTH VOYAGEUR LAKE

9L23 9L74 9L84 937S 960S 951S AMR02 BIRCHWOOD Thickwood CREEK Hills 9L19 9L144 9L28 2015S YEO 977S SALT CREEK

9L57 9L07 834S WESLEY 2011S 856S 876S 939S 9L85 CREEK 9L10 DAWES KINOSIS BRINTNELL LIVOCK 9L15

2049S 539S KETTLE 9L45 SUNDAY 762S RIVER CREEK CONKLIN 720S

WABASCA 9L89 723S

9L990 CHRISTINA 971L 957L 1118L 9L56 72S LAKE 154S BLACK 730S LEISMER 1099L SPRUCE RYCROFT 885S 852S Future MCMILLAN ROUND 1090L 1091L 698S 240 kV 9L55 HILL JACKFISH Sub 1085L 1115L 732S 1086L

MITSUE 9L930 1117L 1116L 170S 167S PIKE 9L11 9L47 IPIATIK

898S 813S 9L40 HEART LITTLE SMOKY LAKE 9L02 9L05 809S 9L913 LOUISE 9L22 9L81 826S CREEK 9L36 MARGUERITE 9L37 LAKE 741S FOX CREEK 9L938 9L939 122S ALBERTA 913L 907L NEWSPRINT 69S NORTH 9L960 825S 9L961 BARRHEAD WHITEFISH 12S See Edmonton/Fort 13S LAKE Sask. Areas Inset HEARTLAND DEERLAND 9L07

9L939 338S 9L938 CHERHILL 77S SAGITAWAH 919L 989L 19S 1046L WABAMUN 905L

909L 902L 1045L 973L 974L 1043L 310P 39S SUNDANCE 320P BICKERDIKE 1203L 1202L KEEPHILLS

1238L 1209L 1239L 1112L 1140L 926L 922L 510S 62S 330p 289S SAUNDERS SUNNYBROOK BRAZEAU GENESEE LAKE 574S NILREM

910L 914L 86S 68S BIGSTONE 995L 757S

WILLESDENGREEN 190L 903L 288S WOLF BATTLE

953L 648S CREEK RIVER 1047L 9L27 METISKOW 914L 1083L 87S 995AL 1083L 9L953 953L GAETZ 9L79 9L80 914L 9L20 954L 922L 1047L 17S 912L 766S 755S 9L16 650S BENALTO 9L948 NEVIS CORDEL 948L HANSMAN

900L 972S 863S 966L LAKE 926L 63S 9L93 PAINTEARTH 1081L TINCHEBRAY Future 240 kV Substation HVDC Line 995L RED 912L DEER 914L 1082L 9L966 Future 500 kV Substation 138/144 kV 287S 13L50 615S 281S HAZELWOOD HALKIRK JOHNSON 932S 138 or 144 kV Substation 138/144 kV Double Circuit

9L59 PEMUKAN 240 kV Substation 240 kV 1325L 901L 925L 929L 500 kV Substation 240 kV Double Circuit 906L 928L 9L99 807S 801S SHEERNESS 9L46 64S EAST ANDERSON 9L100 Future 138/144 kV 500 kV CROSSFIELD 963S 9L97 918L COYOTE 946S LAKE 9L24 959S Future 240 kV 500 kV Double Circuit CEC 9L70 OAKLAND See Calgary 9L29 LANFINE SS-162 74S Future 240 kV Double Circuit New Facilities Area Inset 5S 520S 9L950 Future 500 kV Line Rebuilds 933L 934L SS-25 132S 163S AMOCO 1053L 950L 102S WARE JUNCTION EMPRESS 42S 275S 511S SARCEE SS-65 JENNER 924L 324S 1051L 1002L 1002L 927L 935L CASSILS 1052L 931L CALGARY 1075L 1106L 1107L 944L 945L 1011L ENERGY 923L 28S WEST 951L Deer63S) 935L 945L

356S 1011L Deer63S) 901L (to Red 929L (to 237S BROOKS 562S 925L (to Red 918L (to 918L CENTER 1087L 498S TILLEY FOOTHILLS MILO 1034L 1088L CYPRESS Benalto 17S) Benalto SS-162 906L/928L (to 906L/928L 100L Hazelwood 287S) 923L Johnson 281S) Johnson BEDDINGTON 554S 1087L 895S 658L 1325L WATL (to WATL 1325L TRAVERS 2075S 1035L 649S Sunnybrook 510S) Sunnybrook 485S SUFFIELD 918L 1036L 1005L NEWELL 1088L CHAPPICE LAKE BLACKSPRING 892L 1064L 1037L 1038L 932L 929L RIDGE 925L 901L 244S 5S EAST 1065L 266S 1042L BOWMANTON SC1 1037L 1034L 1201L 120S CALGARY 205S CASTLE 1038L 1035L 138S PICTURE BUTTE 74S JANET ROCK RIDGE 1005L 1041L WINDY 41S 312S 906L 928L 491S 59S FLATS MEDICINE HAT Chapel Rock 1071L FIDLER PEIGAN 916L 936L 964L 983L 511S 940L 937L 1041L CROSSINGS 967L 370S NORTH 251S 1048L 968L LETHBRIDGE WHITLA SS-25 1049L 1072L 42S SHEPARD 102S 994L SARCEE LANGDON 1114L 103S 955L 520S GOOSE

1109L 956L 1080L BENNETT LAKE*

SS-65 *Preliminary termination sub for Chapel Rock

connection, final termination sub will be MATL (to USA)

Milo 356S) Milo determined based on future assessments 924L/927L (to 924L/927L 266S) 1106L 1107L (to SC1 1201L (to 1201L

Calgary Area Inset Intertie) BC 13S 1054L DEERLAND

792L (to AESO 2017 LTP - New Large Clyde150S) 12S 1061L 9L960 HEARTLAND 9L961 191S NW (to Whitefish CARDIFF 2029S Lake 825S) Hydro Generation Projects 12L70 HEATHFIELD 792L 12L85 92S 13L50 (to This diagram contains a simplified version of the system VISCOUNT 898L Newell 2075S) configuration. Technical detail has been simplified for illustration CASTLE 681S 905L (to DOWNS purposes. It does not indicate geographical locations of Wabamun 19S) 920L 920L 920L 71S BANNERMAN 921L LAMOUREUX facilities. For detail on Calgary, Edmonton and Fort 37S NORTH CALDER 805S Saskatchewan Areas please see the inset diagrams. 930L

JASPER 947L 943L 1098L 1061L 915L 921L Slave VICTORIA 987S River

POUNDMAKER 942L Hydro CLOVER BAR 1061L 1045L/909L (to

Sundance 310P) 1045L

1044L BELLAMY 38S EAST 1061L

915L EDMONTON 1120L Currency Date: 2017-11-30 1139L 943L 942L 997L 1120L 505S 1043L (to FORT HILLS 946L

Keephills 1044L 240BA2 240BA3 PETROLIA 908AL 838S 942L 320P) 908L 1120L 108S

1059AL 908L HORIZON 842S HORIZON ARGYLL 1059L 367S AMELIA MINING UPGRADING 2005S HARRY 908L SECORD SMITH 1055L EAST 957S 75-PLH-3 635PL9-1000 635PL9-1001 9900S 909L INDUSTRIAL MCCLELLAND 410S 75-PLH-4 KEARL 1202L (to 1059L DOME 1056L JOSEPHBURG 9L101 L9900 657S 941S 9L69 Keephills 908L 908L AURORA 925S SUMMERSIDE LAMBTON 9L32 BITUMOUNT 320P) 909L 75_PLH-901 75_PLH-902 GREEN STOCKING 947L 946L 847S 934S 9L39 849S 1057L MUSKEG BLACK 9L77 29PL9-12 1058L JOSLYN 29EDD-65 9L32 RIVER FLY CREEK 920S 9L66 9L66 29PL9-13 JACK PINE 1209L (to 9LJH1 29EDD-34 Genesee 9LJH2 330P) 89S 1206L ELLERSLIE 1212L 29EDD-3 KVAL-1 KVAL-2 9L08 9L09 29PL9-5 29PL9-6 29PL9-14 29PL9-15 D05 Lake289S) 1112L/1140L (to Saunders Edmonton/Fort Sask. Areas Inset 29EDD-1 874S 29PL9-3 29PL9-4 29EDD-0056 MCKAY MILLENNIUM 9L43 RIVER 888S DOVER RL1 RL2

9L01 29PL9-1

29PL9-16 29PL9-2 29PL9-17 9L74 9L58 9L58 848S 29EDD-34 RUTH VOYAGEUR LAKE

9L23 9L74 9L84 937S 960S AMR02 BIRCHWOOD CREEK 9L19 951S 9L144 9L28 Thickwood 2015S Hills YEO 977S SALT CREEK

9L57 9L07 834S WESLEY 2011S 856S 876S 939S 9L85 CREEK 9L10 DAWES KINOSIS BRINTNELL LIVOCK 9L15

2049S 539S KETTLE 9L45 SUNDAY 762S RIVER CREEK CONKLIN 720S

WABASCA 9L89 723S

9L990 CHRISTINA 971L 957L 1118L 9L56 72S LAKE 154S BLACK 730S LEISMER 1099L SPRUCE RYCROFT 885S 852S Future MCMILLAN ROUND 1090L 1091L 698S 240 kV 9L55 HILL JACKFISH Sub 1085L 1115L 732S 1086L

MITSUE 9L930 1117L 1116L 170S 167S PIKE 9L11 9L47 IPIATIK

898S 813S 9L40 HEART LITTLE SMOKY LAKE 9L02 9L05 809S 9L913 LOUISE 9L22 9L81 826S CREEK 9L36 MARGUERITE 9L37 LAKE 741S FOX CREEK 9L938 9L939 122S ALBERTA 913L 907L NEWSPRINT 69S NORTH 9L960 825S 9L961 BARRHEAD WHITEFISH 12S See Edmonton/Fort 13S LAKE Sask. Areas Inset HEARTLAND DEERLAND 9L07

9L939 338S 9L938 CHERHILL 77S SAGITAWAH 919L 989L 19S 1046L WABAMUN 905L

909L 902L 1045L 973L 974L 1043L 310P 39S SUNDANCE 320P BICKERDIKE 1203L 1202L KEEPHILLS

61S 1209L LODGEPOLE 1238L 1239L 1112L 1140L 926L 922L 510S 330p 289S SAUNDERS 202L SUNNYBROOK 62S GENESEE LAKE BRAZEAU 574S NILREM 995L 910L 914L 86S 68S BIGSTONE 757S

WILLESDENGREEN 190L 903L 288S WOLF BATTLE

953L 648S CREEK RIVER 1047L 9L27 METISKOW 995AL 914L 1083L 87S 1083L 9L953 953L GAETZ 9L79 9L80 914L 9L20 954L 922L 1047L 17S 912L 766S 755S 9L16 650S 926L BENALTO 9L948 NEVIS CORDEL 948L HANSMAN

900L 972S 863S 966L LAKE 995L 63S 9L93 PAINTEARTH 1081L TINCHEBRAY Future 240 kV Substation HVDC Line RED 912L DEER 914L 1082L 9L966 Future 500 kV Substation 138/144 kV 287S 13L50 615S 281S HAZELWOOD HALKIRK JOHNSON 932S 138 or 144 kV Substation 138/144 kV Double Circuit

9L59 PEMUKAN 240 kV Substation 240 kV 1325L 901L 925L 929L 500 kV Substation 240 kV Double Circuit 906L 928L 9L99 807S 801S SHEERNESS 9L46 64S EAST ANDERSON 9L100 Future 138/144 kV 500 kV CROSSFIELD 963S 9L97 918L COYOTE 946S LAKE 9L24 959S Future 240 kV 500 kV Double Circuit CEC 9L70 OAKLAND See Calgary 9L29 LANFINE SS-162 74S Future 240 kV Double Circuit New Facilities Area Inset 5S 520S 9L950 Future 500 kV Line Rebuilds 933L 934L SS-25 132S 163S AMOCO 1053L 950L 102S WARE JUNCTION EMPRESS 42S 275S 511S SARCEE SS-65 JENNER 924L 324S 1051L 1002L 1002L 927L 935L CASSILS 1052L 931L CALGARY 1075L 1106L 1107L 944L 945L 1011L ENERGY 923L 28S WEST 951L Deer63S) 935L 945L

356S 1011L Deer63S) 901L (to Red 929L (to 237S BROOKS 562S 925L (to Red 918L (to 918L CENTER 1087L 498S TILLEY FOOTHILLS MILO 1034L 1088L CYPRESS Benalto 17S) Benalto SS-162 906L/928L (to 906L/928L 100L Hazelwood 287S) 923L Johnson 281S) Johnson BEDDINGTON 554S 1087L 895S 658L 1325L WATL (to WATL 1325L TRAVERS 2075S 1035L 649S Sunnybrook 510S) Sunnybrook 485S SUFFIELD 918L 1036L 1005L NEWELL 1088L CHAPPICE LAKE BLACKSPRING 892L 1064L 1037L 1038L 932L 929L RIDGE 925L 901L 244S 5S EAST 1065L 266S 1042L BOWMANTON SC1 1037L 1034L 1201L 120S CALGARY 205S CASTLE 1038L 1035L 138S PICTURE BUTTE 74S JANET ROCK RIDGE 1005L 1041L WINDY 41S 312S 906L 928L 491S 59S FLATS MEDICINE HAT Chapel Rock 1071L FIDLER PEIGAN 916L 936L 964L 983L 511S 940L 937L 1041L CROSSINGS 967L 370S NORTH 251S 1048L 968L LETHBRIDGE WHITLA SS-25 1049L 1072L 42S SHEPARD 102S 994L SARCEE LANGDON 1114L 103S 955L 520S GOOSE

1109L 956L 1080L BENNETT LAKE*

SS-65 *Preliminary termination sub for Chapel Rock

connection, final termination sub will be MATL (to USA)

Milo 356S) Milo determined based on future assessments 924L/927L (to 924L/927L 266S) 1106L 1107L (to SC1 1201L (to 1201L

Calgary Area Inset Intertie) BC 13S 1054L DEERLAND AESO 2017 LTP 12S 1061L 9L960 HEARTLAND 9L961 (to Whitefish 2029S Lake 825S) Western Integration Projects 12L70 HEATHFIELD 12L85 This diagram contains a simplified version of the system 13L50 (to configuration. Technical detail has been simplified for illustration Newell 2075S) 37S NORTH CASTLE purposes. It does not indicate geographical locations of 905L (to 681S CALDER DOWNS Wabamun 19S) 920L 920L 920L 71S BANNERMAN facilities. For detail on Calgary, Edmonton and Fort 921L LAMOUREUX Saskatchewan Areas please see the inset diagrams. 805S 930L

JASPER 947L 943L 1098L 1061L 915L 921L VICTORIA 987S

POUNDMAKER 942L CLOVER BAR 1061L 1045L/909L (to

Sundance 310P) 1045L

1044L BELLAMY 38S EAST 1061L

915L EDMONTON 1120L Currency Date: 2017-12-01 1139L 943L 942L 997L 1120L 505S 1043L (to FORT HILLS 946L 240BA2 Keephills 240BA3 1044L PETROLIA 908AL 942L 320P) 908L 1120L 108S 838S 1059AL 908L 842S HORIZON ARGYLL 1059L 367S AMELIA HORIZON UPGRADING 2005S HARRY MINING 908L SECORD 1055L

SMITH EAST 635PL9-1001 957S 75-PLH-3 635PL9-1000 9900S 909L INDUSTRIAL MCCLELLAND 410S 75-PLH-4 KEARL 1202L (to 1059L DOME 1056L JOSEPHBURG 9L101 L9900 Keephills 657S 941S 9L69 908L 908L AURORA 925S SUMMERSIDE LAMBTON 9L32 BITUMOUNT 320P) 909L 75_PLH-901 75_PLH-902 GREEN STOCKING 947L 946L 847S 934S 9L39 849S 1057L MUSKEG BLACK 9L77 29PL9-12 1058L JOSLYN 29EDD-65 9L32 RIVER FLY CREEK 920S 9L66 9L66 29PL9-13 JACK PINE 1209L (to 9LJH1 29EDD-34 Genesee 9LJH2 330P) 89S 1206L

ELLERSLIE 1212L KVAL-1 KVAL-2 29EDD-3 9L08 9L09 29PL9-5 29PL9-6 29PL9-14 29PL9-15 D05 Lake289S) 1112L/1140L (to Saunders Edmonton/Fort Sask. Areas Inset 874S 29EDD-1 29PL9-3 29PL9-4 29EDD-0056 MCKAY MILLENNIUM RIVER 9L43 888S

DOVER RL1 RL2 9L01

29PL9-1 29PL9-16 29PL9-2 29PL9-17 9L74 9L58 9L58 848S 29EDD-34 RUTH VOYAGEUR LAKE

9L23 9L74 9L84 937S 960S 951S AMR02 BIRCHWOOD Thickwood CREEK 9L19 Hills 9L144 9L28 2015S YEO 977S SALT CREEK

9L57

BCH 2011S 9L07 Site C 856S 9L85 939S DAWES KINOSIS 876S LIVOCK BRINTNELL 834S 9L10 9L15 WESLEY 2049S 539S CREEK KETTLE 9L45 SUNDAY 762S RIVER CREEK CONKLIN 720S WABASCA 9L89 723S

9L990 CHRISTINA 971L 957L 1118L 9L56 72S LAKE 154S BLACK LEISMER 1099L SPRUCE

885S 852S

MCMILLAN ROUND 1090L 1091L 698S 9L55 HILL JACKFISH 1085L 1115L 9L11 1086L

Alberta 732S

MITSUE 9L930 1117L 1116L 170S 167S PIKE 9L47 IPIATIK 813S

British Columbia British 898S LITTLE 9L40 HEART SMOKY LAKE 9L02 9L05 809S 9L913 LOUISE 9L22 9L81 826S CREEK 9L36 MARGUERITE 9L37 LAKE 9L938 9L939 122S ALBERTA 913L 907L NEWSPRINT 69S NORTH 9L960 825S 9L961 BARRHEAD WHITEFISH 12S See Edmonton/Fort 13S LAKE Sask. Areas Inset HEARTLAND DEERLAND 9L07

9L939 338S 9L938 CHERHILL 77S SAGITAWAH 919L 989L 19S 1046L WABAMUN 905L 909L 902L 1045L 973L 974L 1043L 310P 39S SUNDANCE BICKERDIKE 320P 1203L 1202L KEEPHILLS

1238L 1209L 1239L 926L 922L 1112L 510S 1140L 330p 289S SAUNDERS 62S SUNNYBROOK GENESEE LAKE BRAZEAU 574S NILREM 995L 86S 68S 910L 914L BIGSTONE 757S

WILLESDENGREEN 190L 903L 288S WOLF BATTLE

953L 648S CREEK RIVER 1047L METISKOW 995AL 9L27 914L 1083L 87S 1083L 9L953 953L GAETZ 9L79 9L80 914L 9L20 954L 922L 1047L 17S 912L 766S 755S 9L16 650S 926L BENALTO 9L948 NEVIS CORDEL 948L HANSMAN Future 500 kV Substation HVDC Line 900L 863S 966L LAKE

9L93 972S 995L PAINTEARTH 1081L 63S TINCHEBRAY 912L 240 kV Substation 240 kV RED 914L

DEER 1082L 9L966 500 kV Substation 240 kV Double Circuit 287S 13L50 281S 615S HAZELWOOD HALKIRK Future 240 kV Double Circuit 500 kV JOHNSON 932S

9L59 PEMUKAN Future 500 kV 500 kV Double Circuit 925L 929L 901L 1325L

906L 928L 807S New Facilities 9L99 801S SHEERNESS 9L46 64S EAST ANDERSON 9L100 CROSSFIELD 963S 9L97 918L COYOTE 946S LAKE 9L24 959S CEC 9L70 OAKLAND See Calgary LANFINE 74S 9L29 CALGARY Area Inset SS-162 ENERGY Deer63S) 5S 901L (to Red Deer63S) 929L (to 520S 9L950 933L 934L 918L (to 918L CENTER 925L (to Red

Benalto 17S) Benalto SS-162 906L/928L (to 906L/928L Hazelwood 287S) Johnson 281S) Johnson BEDDINGTON SS-25 132S 163S AMOCO 1053L 950L 1325L WATL (to WATL 1325L 102S WARE JUNCTION EMPRESS Sunnybrook 510S) Sunnybrook 42S 275S 511S 918L SARCEE SS-65 JENNER 1064L 924L 324S 1051L 1002L 1002L 932L 929L 927L 935L CASSILS 1052L 925L 901L 1065L 931L

5S EAST 1075L

1106L 1107L 944L 945L 1011L CALGARY 923L 935L 28S WEST 951L 945L

356S 1011L 74S JANET 237S 1087L BROOKS 562S FOOTHILLS MILO 1034L 1088L CYPRESS 906L 928L 923L 916L 554S 1087L 936L TRAVERS 511S 485S 2075S 1035L

937L 1036L 1005L CROSSINGS BLACKSPRING NEWELL 1088L SS-25 1037L 1038L RIDGE 244S 102S 42S SHEPARD 1201L 266S 1042L BOWMANTON LANGDON SC1 1037L 1034L

SARCEE 1114L 491S 1038L 120S 1035L 205S CASTLE 138S PICTURE BUTTE 520S Chapel Rock ROCK RIDGE WINDY 1005L 1041L 1109L 1080L BENNETT 312S 59S FLATS 1071L FIDLER PEIGAN 940L 964L 983L SS-65 1041L 967L 370S NORTH 251S 1048L 968L LETHBRIDGE WHITLA Milo 356S) Milo

994L 1049L 1072L 924L/927L (to 924L/927L 266S) 1106L 1107L (to SC1 1201L (to 1201L Calgary Area Inset Intertie) BC Alberta 103S 955L B.C. GOOSE 956L LAKE*

BCH *Preliminary termination sub for Chapel Rock

connection, final termination sub will be MATL

Selkirk (to USA) determined based on future assessments 13S 1054L DEERLAND 792L (to

Clyde150S) AESO 2017 LTP 9L960 191S NW 12S 1061L HEARTLAND 9L961 CARDIFF (to Whitefish 2029S Lake 825S) High Cogeneration Projects 12L70 HEATHFIELD

792L 12L85 92S 13L50 (to This diagram contains a simplified version of the system VISCOUNT Newell 2075S) configuration. Technical detail has been simplified for illustration CASTLE 898L 681S 905L (to DOWNS purposes. It does not indicate geographical locations of Wabamun 19S) 920L 920L 920L 71S BANNERMAN 921L LAMOUREUX facilities. For detail on Calgary, Edmonton and Fort 943L

37S NORTH 1061L CALDER 805S Saskatchewan Areas please see the inset diagrams. 815L 930L JASPER 1098L 947L 915L 921L VICTORIA 987S

POUNDMAKER 942L CLOVER BAR 1061L 1045L/909L (to

Sundance 310P) 1045L

1044L BELLAMY 38S EAST 1061L 915L EDMONTON 1120L 127S Currency Date: 2017-12-01 1139L BRUDERHEIM 943L 942L 997L 1120L 505S 1043L (to FORT HILLS 946L 942L 240BA2 240BA3 Keephills 1044L 1120L PETROLIA 908AL 108S 409S 838S 320P) 908L AMELIA 1059AL 908L SCOTFORD HORIZON 842S HORIZON ARGYLL 1059L 367S MINING UPGRADING

HARRY 773L 908L SMITH 1055L EAST 856L 776L 957S 75-PLH-3 2005S 9900S 909L INDUSTRIAL MCCLELLAND SECORD 635PL9-1000 635PL9-1001 410S 75-PLH-4 KEARL 1202L (to 1059L DOME 1056L JOSEPHBURG 857L 941S 9L101 L9900 Keephills 657S 9L69 908L 908L BITUMOUNT AURORA 925S 909L SUMMERSIDE LAMBTON 9L32 320P) 75_PLH-901 75_PLH-902 GREEN STOCKING 947L 946L 847S 934S 9L39 776L 308S ALBCHEM 849S 1057L 1058L MUSKEG BLACK 9L77 29PL9-12 706L BEAVERHILL CREEK JOSLYN 29EDD-65 9L32 RIVER FLY 706AL CREEK 920S 9L66 9L66 29PL9-13 JACK PINE 706L 1209L (to 452S B.F.GOODRICH 9LJH1 29EDD-34 Genesee FT. SASKATCHEWAN 9LJH2 330P) 89S 1206L

54S FORT KVAL-1 KVAL-2 ELLERSLIE 1212L 29EDD-3 SASKATCHEWAN 9L08 9L09 29PL9-5 29PL9-6 29PL9-14 29PL9-15 D05 Lake289S) 1112L/1140L (to Saunders Edmonton/Fort Sask. Areas Inset

874S 29EDD-1 29PL9-3 29PL9-4 29EDD-0056

MCKAY RL1 RL2 MILLENNIUM 9L43 RIVER 888S DOVER 29PL9-1

9L01 29PL9-2

29PL9-16 29PL9-17 9L74 9L58 9L58 848S 29EDD-34 RUTH VOYAGEUR LAKE

9L23 9L74

951S 9L84 937S 960S Thickwood AMR02 BIRCHWOOD Hills CREEK 9L19 9L144 9L28 2015S YEO 977S SALT CREEK

9L57

834S 9L07 WESLEY 2011S 856S 876S 939S 9L85 CREEK 9L10 DAWES KINOSIS BRINTNELL LIVOCK 9L15

2049S 539S KETTLE 9L45 SUNDAY 762S RIVER CREEK CONKLIN 720S WABASCA 9L89 723S

9L990 CHRISTINA 971L 957L 1118L 9L56 72S LAKE 154S BLACK 885S 730S LEISMER 1099L SPRUCE MCMILLAN RYCROFT 852S

Future ROUND 1090L 1091L 698S 240 kV 9L55 HILL JACKFISH Sub 1085L 1115L 732S 1086L

MITSUE 9L930 1117L 1116L 170S 167S PIKE 9L11 9L47 IPIATIK

898S 813S 9L40 HEART 353S LITTLE SMOKY LAKE PLAMONDON 9L02

9L05 809S 9L913 LOUISE 826S 9L22 CREEK 9L81 157S LAC 9L36 MARGUERITE 56S 405S LA BICHE 9L37 LAKE BOYLE WAUPISOO 741S FOX 9L938 9L939 CREEK 122S ALBERTA 913L 907L NEWSPRINT 69S NORTH 9L960 825S 9L961 BARRHEAD WHITEFISH 12S 13S LAKE 338S HEARTLAND DEERLAND 9L07 9L939 9L938 CHERHILL 77S SAGITAWAH 919L 989L 19S 1046L WABAMUN 905L 909L 902L 1045L 973L 974L 1043L 310P 39S SUNDANCE 320P BICKERDIKE 1203L 1202L KEEPHILLS

1238L 1209L See Edmonton/Fort 1239L Sask. Areas Inset 926L 922L 1112L 510S 1140L 62S 330p 289 SAUNDERS SUNNYBROOK BRAZEAU GENESEE LAKE 574S

910L 914L 86S NILREM 68S BIGSTONE 995L 757S

WILLESDENGREEN 190L 903L 288S WOLF BATTLE

CREEK 953L 648S RIVER 1047L 9L27 METISKOW 914L 1083L 87S 766S 995AL 1083L 9L953 953L GAETZ 9L79 9L80

NEVIS 954L 914L 922L 1047L 17S 912L 9L20 755S 9L16 650S BENALTO 9L948 CORDEL 948L HANSMAN 900L Future 240 kV Substation 138/144 kV 972S 863S 966L LAKE 926L PAINTEARTH 1081L

63S 9L93 TINCHEBRAY 995L 912L Future 500 kV Substation 138/144 kV Double Circuit RED 914L

DEER 1082L 9L966 13L50 138 or 144 kV Substation 240 kV 287S 615S 281S HAZELWOOD HALKIRK 932S 240 kV Substation 240 kV Double Circuit JOHNSON

9L59 PEMUKAN 500 kV Substation 500 kV 925L 929L 1325L 901L

906L 928L 807S Future 138/144 kV 500 kV Double Circuit 9L99 801S SHEERNESS 9L46 64S EAST ANDERSON 9L100 Future 240 kV New Facilities CROSSFIELD 963S 9L97 918L COYOTE 946S LAKE 9L24 959S Future 240 kV Double Circuit Line Rebuilds CEC 9L70 OAKLAND See Calgary LANFINE 74S 9L29 Future 500 kV Facility Upgrade Area Inset SS-162 5S 520S 9L950 HVDC Line 933L 934L SS-25 132S 163S AMOCO 1053L 950L 102S WARE JUNCTION EMPRESS 42S 275S 511S SARCEE SS-65 JENNER 924L 324S 1051L 1002L 1002L 927L 935L CASSILS 1052L 931L CALGARY 1075L 1106L 1107L 944L 945L 1011L ENERGY 923L 28S WEST Deer63S) 935L 951L 945L 925L (to

356S 1011L 901L (to Red 929L (to 237S BROOKS 562S 918L (to 918L CENTER 1087L 498S TILLEY

MILO 1034L 1088L RedDeer 63S) CYPRESS

Benalto 17S) Benalto SS-162 FOOTHILLS 906L/928L (to 906L/928L Hazelwood 287S) 923L Johnson 281S) Johnson BEDDINGTON 554S 1087L 100L 895S 658L 1325L WATL (to WATL 1325L TRAVERS 1035L 649S Sunnybrook 510S) Sunnybrook 485S 2075S SUFFIELD 918L BLACKSPRING 1036L 1005L NEWELL 1088L CHAPPICE LAKE 1064L 1037L 1038L 892L RIDGE 244S 925L 901L 932L 929L 1065L 266S 1042L BOWMANTON 5S EAST 1201L 1037L 1034L 205S CASTLE SC1 CALGARY 1038L 120S 1035L ROCK RIDGE 138S PICTURE BUTTE

74S JANET 1005L 1041L WINDY 41S 491S 312S MEDICINE HAT 906L 928L 59S FLATS Chapel Rock 1071L FIDLER PEIGAN 916L 964L 983L 936L 511S 940L 1041L 937L CROSSINGS 967L 370S NORTH 251S SS-25 1048L 968L LETHBRIDGE WHITLA 994L 1049L 102S 1072L 42S SHEPARD LANGDON

SARCEE 1114L 520S 103S 955L GOOSE 1109L

1080L 956L BENNETT LAKE*

SS-65 *Preliminary termination sub for Chapel Rock

connection, final termination sub will be MATL (to USA) Milo 356S) Milo determined based on future assessments 924L/927L (to 924L/927L 266S) 1106L 1107L 1201L (to 1201L (to SC1 Calgary Area Inset Intertie) BC