Alberta Electric System Operator
System Co-ordination Plan
2019-01-17 to 2019-01-25
Approved Outages

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From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
18-Sep-18 08:00 31-Mar-19 17:00 ALTALINK, EPCOR TE 920L (71s Lamoureux - 557s Castle Downs) performing settings updates 194.38 Days
Daily		  
18-Sep-18 18:00 31-Mar-19 18:00 ALTALINK Outage 221s T3 (221s Sunken Lake) transformer removal 194 Days
Continuous		  
24-Sep-18 08:00 28-Feb-19 15:00 ATCO TE 709s Vegreville RTU/SCADA new RTU download and test 157.33 Days
Continuous		  
04-Oct-18 09:00 31-Mar-19 20:00 Syncrude Outage Mildred T3 (Syncrude Mildred Lake) damaged transformer repairs 178.46 Days
Continuous		  
05-Oct-18 08:00 30-Jun-19 16:00 EPCOR Outage Rossdale C2 (Rossdale) forced outage 268.33 Days
Continuous		  
24-Oct-18 01:13 30-Jun-19 16:00 EPCOR Outage Rossdale C1 (Rossdale) forced outage 249.62 Days
Continuous		  
03-Nov-18 07:00 01-Mar-19 17:00 EPCOR Outage 72CN10 (987s Clover Bar - Namao) termination rebuild 118.46 Days
Continuous		  
06-Nov-18 08:00 28-Feb-19 16:00 ALTALINK Outage 267s C3 (267s Killarney Lake) forced out of service 114.33 Days
Continuous		  
07-Nov-18 08:00 31-Jan-19 17:00 ATCO IO 951S Thickwood Hills construction work on 951S 900BS2 and allow energization of 951S 900BS1 85.38 Days
Continuous		  
17-Nov-18 08:00 11-Feb-19 16:00 ENMAX Outage ENMAX 22 partial 138 kV bus outage for construction of new 138kV PT at 22sub 86.33 Days
Continuous		  
21-Nov-18 08:00 15-Feb-19 18:00 ENMAX Outage 36.5TR (ENMAX 36),16.63L (ENMAX 16 - ENMAX 36) replace 36.5TR 86.42 Days
Continuous		  
27-Nov-18 07:00 30-May-19 17:00 EPCOR TE 72CN10 (987s Clover Bar - Namao) protection upgrade 184.38 Days
Continuous		  
11-Dec-18 09:00 19-Jan-19 16:30 ATCO TE 828S Sulphur Point 87B/700BS1 relocate CT grounding, 87B/700BS1 relay OOS 39.31 Days
Continuous		  
11-Dec-18 10:00 19-Jan-19 16:30 ATCO TE 828s 701T (828s Sulphur Point) relay replacement 39.27 Days
Continuous		  
13-Dec-18 09:30 19-Jan-19 17:30 ATCO TE 828s Sulphur Point RTU/SCADA update RTU 37.33 Days
Continuous		  
16-Dec-18 08:00 20-Jan-19 13:00 ATCO TE 6L126 (515L tap - 743s Sarah Lake) place 6L126 in normal/alternate settings for Altalink work on 6L126/526L 35.21 Days
Continuous		  
18-Dec-18 07:00 19-Jan-19 08:00 ALTALINK Outage 526L(526L190 - 526L208) creating temporary Open Point 'E' between structures #215 & 216 32.04 Days
Daily		  
18-Dec-18 08:00 19-Jan-19 17:00 ATCO IO 6L126 (515L tap - 743s Sarah Lake) AltaLink requires and advice on 6L126 32.38 Days
Continuous		  
02-Jan-19 05:30 31-Mar-19 18:00 ALTALINK RB 551L (123s Banff - 953s Lake Louise) line rebuild 88.48 Days
Daily		  
05-Jan-19 07:00 25-Jan-19 18:00 ATCO RB 9L10 (876s Brintnell - 939s Livock) new 500 kv line construction parallel to 9L10 20.46 Days
Continuous		  
07-Jan-19 07:30 28-Feb-19 17:00 EPCOR TE 330P Genesee RTU/SCADA maintenance 52.4 Days
Daily		  
07-Jan-19 07:30 28-Feb-19 17:00 EPCOR TE 330P Genesee relay maintenance 52.4 Days
Daily		  
07-Jan-19 07:30 28-Feb-19 17:00 EPCOR TE 657S Summerside relay maintenance 52.4 Days
Daily		  
07-Jan-19 07:30 28-Feb-19 17:00 EPCOR TE 665S Dome relay maintenance 52.4 Days
Daily		  
07-Jan-19 07:30 28-Feb-19 17:00 EPCOR TE 814S Bellamy relay maintenance 52.4 Days
Daily		  
07-Jan-19 08:00 18-Jan-19 16:00 ATCO TE 754s Ksituan River RTU/SCADA PLC replacement & pre-commissioning 11.33 Days
Continuous		  
08-Jan-19 07:00 25-Jan-19 17:00 ATCO RB 9L57 (939s Livock - 960s Birchwood Creek) 500kv line construction in close proximity of 9L57 17.42 Days
Daily		  
08-Jan-19 08:00 22-Jan-19 17:00 ALTALINK RB 1034L (244s Bowmanton - 324s Cassils) working within close proximity on adjacent line 14.38 Days
Daily		  
10-Jan-19 07:00 22-Jan-19 18:00 ATCO, ALTALINK Outage 1035L (2075s Newell - 244s Bowmanton) component replacements 12.46 Days
Continuous		  
10-Jan-19 08:00 26-Feb-19 16:00 ATCO TE 800S Friedenstal implement new bus lockout relay 47.33 Days
Continuous		  
12-Jan-19 08:00 31-Jan-19 17:00 ATCO TE 800s Friedenstal RTU/SCADA update & download PLC 19.38 Days
Continuous		  
14-Jan-19 07:30 18-Jan-19 18:30 ALTALINK IO 9L59 (A972s - A801s) ATCO Info 9L59- GOI permit for Clearance Mitigation 4.46 Days
Continuous		  
14-Jan-19 08:00 18-Jan-19 18:00 ATCO, GREENGATEP Outage 9L59 (972s Tinchebray - 801s Anderson),9L59D1 (801s Anderson),9L59D2 (972s Tinchebray) clearance mitigation 4.42 Days
Continuous		  
14-Jan-19 08:00 23-Jan-19 16:00 ENMAX Outage 37.2TR (ENMAX 37) 37s RTU replacement 9.33 Days
Continuous		  
14-Jan-19 08:00 18-Jan-19 16:00 ENMAX TE ENMAX 11 RTU/SCADA upgrade RTU 4.33 Days
Daily		  
14-Jan-19 08:00 08-Feb-19 14:00 ALTALINK Outage 551L (945s Sunshine Village - 953s Lake Louise) place 551JL tap loads on temp gen-set to string bypass 25.25 Days
Continuous		  
14-Jan-19 09:00 18-Jan-19 16:00 ALTALINK TE 310P Sundance RTU/SCADA update RTU configuration 4.29 Days
Daily		  
14-Jan-19 09:30 17-Jan-19 17:00 ALTALINK Outage 254s 2162X (254s Coaldale) disconnect old cables and connect new cables 3.31 Days
Continuous		  
14-Jan-19 12:00 21-Jan-19 12:00 ATCO Outage 7L61 (780s Lubicon - 796s Nipisi) replace/repair transmission poles 7 Days
Continuous		  
14-Jan-19 13:00 28-Feb-19 14:00 ALTALINK Outage 1046L (310p Sundance - 338s Cherhill),902L (19s Wabamun - 310p Sundance) replacing structures #11 & 12,this portion of 902L remain under a separate GOI zone to prevent mis-coordination 45.04 Days
Continuous		  
14-Jan-19 13:00 17-Jan-19 16:30 ALTALINK TE 1046L (310p Sundance - 338s Cherhill) remove the A21 from service to upgrade firmware and install permanent settings 3.15 Days
Daily		  
15-Jan-19 07:00 31-Mar-19 18:00 ALTALINK Outage 13L/158L (65s High River - 392s Black Diamond) phase 2 & 3 rebuilding 13L line from Structures #1 - 16 and rebuilding 158L line from Structures #4 - 53 75.42 Days
Continuous		  
15-Jan-19 07:30 20-Jan-19 17:30 ALTALINK RB 825L (484s Millar Western - 77s Sagitawah) component replacements (str's range 1A-75) 5.42 Days
Continuous		  
15-Jan-19 08:00 17-Jan-19 16:00 ATCO Outage 827s SVC (827s Cranberry Lake) UPS replacement: replace 5KVA DC/AC inverter 2.33 Days
Continuous		  
15-Jan-19 08:00 18-Jan-19 16:00 ENMAX TE ENMAX 14 RTU/SCADA upgrade RTU 3.33 Days
Daily		  
15-Jan-19 08:30 17-Jan-19 16:30 ALTALINK TE 198S Blackfalds perform standard relay maintenance 2.33 Days
Daily		  
15-Jan-19 12:00 18-Jan-19 16:30 ATCO TE 827s Cranberry Lake RTU/SCADA RTU-PLC-HMI update 3.19 Days
Continuous		  
15-Jan-19 12:00 30-Jan-19 14:00 ALTALINK Outage 551L (945s Sunshine Village - 953s Lake Louise) rebuild of 551L (Sections 14B/C) 15.08 Days
Continuous		  
15-Jan-19 13:00 25-Jan-19 17:00 ATCO TE 951s Thickwood Hills RTU/SCADA redundancy upgrades on RTU 10.17 Days
Continuous		  
15-Jan-19 13:00 25-Jan-19 17:00 ATCO TE 951s Thickwood Hills RTU/SCADA redundancy upgrades on SVC RTU 10.17 Days
Continuous		  
16-Jan-19 07:00 19-Jan-19 15:00 CMH, Medicine Hat Outage 20L (MH69S-6 Riverview - MH69S-3 South Ridge),MH69s6 MH69-T63 (MH69s6 Riverview),MH69s3 T34 (MH69s3 South Ridge) line work on underbuild distribution circuits 3.33 Days
Continuous		  
16-Jan-19 08:00 25-Jan-19 16:00 ALTALINK IO 2.80L Enmax Info Green Line LRT Project 9.33 Days
Continuous		  
16-Jan-19 08:00 17-Jan-19 18:00 ENMAX Outage 6.1TR (ENMAX 6),6.82L (ENMAX 6 - ENMAX 41) switch maintenance and check reversing switch 6.1TR 1.42 Days
Continuous		  
16-Jan-19 08:00 25-Jan-19 16:00 ENMAX Outage 2.80L (ENMAX 2 - ENMAX 23) Green Line LRT Project 9.33 Days
Continuous		  
16-Jan-19 08:00 17-Jan-19 17:00 ALTALINK TE 638s Esso Judy Creek RTU/SCADA RTU outage for new point addition 1.38 Days
Daily		  
16-Jan-19 08:30 17-Jan-19 16:00 ALTALINK TE 77S Sagitawah standard relay maintenance 31.5 Hours
Daily		  
16-Jan-19 11:00 18-Jan-19 16:00 ATCO TE 721s La Corey RTU/SCADA telecom outage 2.21 Days
Continuous		  
16-Jan-19 14:00 18-Jan-19 16:00 ENMAX Outage 22.3TR (ENMAX 22) emergency outage due to a bad lightening arrestor 2.08 Days
Continuous		  
17-Jan-19 08:00 17-Jan-19 16:00 ENMAX Outage 32.1TR (ENMAX 32) take measurements for HV and MV bushings 8 Hours
Continuous		  
17-Jan-19 08:30 17-Jan-19 16:00 ALTALINK TE 20S Ghost relay maintenance 7.5 Hours
Daily		  
17-Jan-19 08:30 17-Jan-19 16:30 ALTALINK TE 103S Goose Lake relay maintenance 8 Hours
Daily		  
17-Jan-19 09:00 17-Jan-19 16:00 ENMAX Outage 28.1TR (ENMAX 28) reverse PT secondary wiring in control cabinet 7 Hours
Continuous		  
17-Jan-19 09:00 17-Jan-19 16:30 ALTALINK TE 426S Coalspur relay maintenance 7.5 Hours
Daily		  
17-Jan-19 09:00 17-Jan-19 13:00 ALTALINK Outage 250p22 (250p Bighorn Plant) maintenance 4 Hours
Daily		  
17-Jan-19 09:00 01-Feb-19 16:00 ALTALINK Outage 225L (229s Glenwood - 385s Spring Coulee) line re-build 15.29 Days
Continuous		  
18-Jan-19 08:00 18-Jan-19 12:00 ENMAX Outage 1.5TR (ENMAX 1) add heat shrink to NGR riser 4 Hours
Continuous		  
18-Jan-19 09:00 18-Jan-19 17:00 ALTALINK RB 753L (65s High River - 253s Blackie) urgent repair to structure #753L243 8 Hours
Daily		  
18-Jan-19 12:00 18-Jan-19 18:00 ENMAX Outage 1.6TR (ENMAX 1) add heat shrink to NGR riser 6 Hours
Continuous		  
19-Jan-19 05:00 21-Jan-19 06:00 ENMAX, ALTALINK Outage 7.82L (42s Sarcee - ENMAX 7) transformer upgrade 2.04 Days
Continuous		  
19-Jan-19 08:00 22-Jan-19 16:00 ENMAX TE 7.84L (ENMAX 36 - ENMAX 7) reconfigure relay PT voltage source 3.33 Days
Continuous		  
19-Jan-19 08:00 19-Jan-19 17:00 ALTALINK Outage 659S Pegasus Lake,887S Carson Creek,526L (268s Whitecourt - 526DL185),526L (526DL185 - 526DL208) removing temporary bypass & replacing some wire at 659s 9 Hours
Daily		  
20-Jan-19 07:00 20-Jan-19 17:00 ALTALINK Outage 519AL (519L tap - 661s Laura Lake),519L (519AL tap - 519L2),519L (519AL tap - 996s Imperial Oil Carson Lake),526L (526L220 - 526L208) closing temporary open point 'E' and creating new temporary open point 'F' 10 Hours
Daily		  
20-Jan-19 08:00 20-Jan-19 18:00 ENMAX Outage 16.2TR (ENMAX 16),16.60L (ENMAX 34 - ENMAX 16),16.63L (ENMAX 16 - ENMAX 36) hot spot 10 Hours
Continuous		  
20-Jan-19 17:00 31-Jan-19 08:00 ALTALINK Outage 526L (526L220 - 526L365) line rebuild 10.63 Days
Continuous		  
21-Jan-19 06:30 25-Jan-19 17:30 ALTALINK IO 1055L Epcor - Info Epcor Relay Maintenance 4.46 Days
Continuous		  
21-Jan-19 06:30 25-Jan-19 17:30 ALTALINK IO 1058L Epcor - Info Epcor DC power move 4.46 Days
Continuous		  
21-Jan-19 07:00 25-Jan-19 17:00 EPCOR Outage 1058L (657s Summerside - 803s Lambton) DC power move and relay maintenance 4.42 Days
Continuous		  
21-Jan-19 07:00 25-Jan-19 17:00 EPCOR Outage 240BA3 (814s Bellamy - 629s Argyll Transfer Station),1055L (816s Petrolia - 629s Argyll Transfer Station) relay maintenance 4.42 Days
Continuous		  
21-Jan-19 07:00 25-Jan-19 17:00 EPCOR Outage 72JW19 (805s Jasper - Woodcroft),Woodcroft WDS1 (Woodcroft) disconnect replacement 4.42 Days
Continuous		  
21-Jan-19 07:00 25-Jan-19 18:00 ALTALINK, EPCOR RB 1238L (510s Sunnybrook - 330p Genesee) outage to 510s2852 & 510s2952 requires RB 4.46 Days
Continuous		  
21-Jan-19 07:00 25-Jan-19 18:00 ALTALINK Outage 510s 2852 (510s Sunnybrook),510s 2952 (510s Sunnybrook) 510s Sunnybrook to 939s Livock end to end protection testing via microwave path 4.46 Days
Continuous		  
21-Jan-19 07:00 01-May-19 13:30 ALTALINK Outage 221s T3 (221s Sunken Lake) change transformer 100.23 Days
Continuous		  
21-Jan-19 07:30 21-Jan-19 17:00 ALTALINK TE 149s Nisku RTU/SCADA adding additional account 9.5 Hours
Daily		  
21-Jan-19 07:30 25-Jan-19 18:30 ALTALINK IO 9L59 (A972s - A801s) ATCO Info clearance mitigation 4.46 Days
Continuous		  
21-Jan-19 08:00 25-Jan-19 18:00 ATCO Outage 9L59 (972s Tinchebray - 801s Anderson) clearance mitigation 4.42 Days
Continuous		  
21-Jan-19 08:00 22-Jan-19 18:00 ENMAX Outage 9.1TR (ENMAX 9),9.80L (ENMAX 31 - ENMAX 9) switch maintenance, check reversing switch 1.42 Days
Continuous		  
21-Jan-19 08:00 25-Jan-19 18:00 ENMAX TE ENMAX 36 138kV Bus 36.5TR upgrade, setting changes for bus differential protection 4.42 Days
Daily		  
21-Jan-19 08:00 21-Jan-19 17:00 SUNCOR TE 635EDD-1000 635-752-152 (635EDD-1000),635EDD-1000 635-752-153 (635EDD-1000) replace LCD screen on relay AC67A35PP1001_5 9 Hours
Continuous		  
21-Jan-19 08:00 21-Jan-19 12:00 ATCO TE 756s 602T (756s Bigfoot) testing 50/51 relay one at a time 4 Hours
Continuous		  
21-Jan-19 08:00 24-Jan-19 16:00 ENMAX Outage 21.1TR (ENMAX 21) T-60 relay CPU upgrade, test CT 3.33 Days
Continuous		  
21-Jan-19 08:00 25-Jan-19 18:00 ENMAX TE ENMAX 36 36.5TR upgrade, setting changes 4.42 Days
Daily		  
21-Jan-19 09:00 25-Jan-19 16:00 ALTALINK TE 310P Sundance RTU/SCADA update RTU configuration for cutting over alarms 4.29 Days
Daily		  
21-Jan-19 09:00 22-Jan-19 16:00 ATCO TE 826s 901T (826s Marguerite Lake) relay work 31 Hours
Continuous		  
21-Jan-19 09:00 21-Jan-19 15:00 ALTALINK TE 853L (28s West Brooks - 504s Queenstown),435s Bassano RTU/SCADA A & B TPR outage, upgrade MPLS node 6 Hours
Daily		  
21-Jan-19 10:30 21-Jan-19 16:00 ATCO Outage 826s 704 (826s Marguerite Lake) repair oil leak, ring bus will be open for the duration 5.5 Hours
Continuous		  
21-Jan-19 11:30 22-Jan-19 16:00 ALTALINK TE 818s Winefred RTU/SCADA update RTU configuration for transformer alarms 28.5 Hours
Daily		  
21-Jan-19 11:30 21-Jan-19 16:00 ALTALINK TE 818S Winefred protection outage one at a time on T2 for alarm splitting 4.5 Hours
Daily		  
21-Jan-19 11:30 24-Jan-19 16:30 ALTALINK TE 310P Sundance standard relay maintenance, redundant protection will be in place while work is being performed, unless otherwise stated 3.21 Days
Daily		  
21-Jan-19 11:30 24-Jan-19 16:30 ALTALINK TE 74S Janet standard relay maintenance 3.21 Days
Daily		  
21-Jan-19 12:00 24-Jan-19 14:00 ATCO Outage 7L06 (784s Donnelly - 787s High Prairie) pole fire, replace structures 3.08 Days
Continuous		  
21-Jan-19 12:30 24-Jan-19 17:30 ALTALINK RB 826L (701s Blue Ridge Lumber - 77s Sagitawah) component replacements (str's range 1A-98) 3.21 Days
Continuous		  
21-Jan-19 12:30 24-Jan-19 17:30 ALTALINK RB 825L (484s Millar Western - 77s Sagitawah) component replacements (str's range 1A-75) 3.21 Days
Continuous		  
21-Jan-19 13:30 21-Jan-19 17:00 ALTALINK TE 650S Hansman Lake standard relay maintenance, redundant protection will be in place at all times, unless otherwise stated 3.5 Hours
Daily		  
21-Jan-19 13:30 21-Jan-19 17:00 ALTALINK TE 648S Metiskow standard relay maintenance, redundant protection will be in place while work is being performed, unless otherwise stated 3.5 Hours
Daily		  
22-Jan-19 06:00 31-Jan-19 19:00 ALTALINK Outage 234L (310p Sundance - 234L1),505L (505L1 - 234L tap),234L/505L (310p - 234L1 - 505L1) - GOI Re-locating Structures #234L73 - 234L76 9.54 Days
Continuous		  
22-Jan-19 07:00 29-Jan-19 17:00 ATCO Outage 7L75 (A793s West Peace River - 800s Friedenstal) upgrade 7L75 protection and install new TPR and RAS

 7.42 Days
Continuous		  
22-Jan-19 07:00 31-Jan-19 20:00 ALTALINK Outage 521AL (867s Sundance Blow-Down - 521L tap),521L (521L2 - 505L tap) re-locating structures #521L39 - 521L42 9.54 Days
Continuous		  
22-Jan-19 08:00 24-Jan-19 16:00 ENMAX Outage 3.4TR (ENMAX 3) T-60 relay CPU upgrade 2.33 Days
Continuous		  
22-Jan-19 08:00 23-Jan-19 18:00 ENMAX Outage 11.81L (ENMAX 13 - ENMAX 11) building construction 1.42 Days
Continuous		  
22-Jan-19 08:00 22-Jan-19 16:00 ENMAX Outage 32.2TR (ENMAX 32) take measurements for HV and MV bushings 8 Hours
Continuous		  
22-Jan-19 08:00 01-Feb-19 16:00 ATCO TE A793s West Peace RTU/SCADA 793S west peace - SCADA updates 10.33 Days
Continuous		  
22-Jan-19 08:30 22-Jan-19 16:30 ALTALINK TE 478S Tucuman 478s relay maintenance 8 Hours
Daily		  
22-Jan-19 08:30 22-Jan-19 16:30 ALTALINK TE 92s Relay 92s relay maintenance 8 Hours
Daily		  
22-Jan-19 08:30 22-Jan-19 16:30 ALTALINK TE 37S North Calder 37s relay maintenance 8 Hours
Daily		  
22-Jan-19 08:30 22-Jan-19 16:30 ALTALINK TE 377S Hardisty 377s relay maintenance 8 Hours
Daily		  
22-Jan-19 08:30 22-Jan-19 16:30 ALTALINK TE 437S Baymag 437s relay maintenance 8 Hours
Daily		  
22-Jan-19 09:00 22-Jan-19 16:00 ATCO Outage 826s 702 (826s Marguerite Lake) open ring bus to repair leaking 702CT's 7 Hours
Continuous		  
22-Jan-19 09:00 24-Jan-19 17:00 ALTALINK TE 305s Acheson RTU/SCADA updating local RTU database 2.33 Days
Daily		  
22-Jan-19 09:00 22-Jan-19 16:30 ALTALINK TE 562S Cypress techs to investigate wiring from ETM unit on 562sT1 (TX18773) 7.5 Hours
Daily		  
22-Jan-19 09:00 22-Jan-19 15:00 ALTALINK TE 895s Suffield RTU/SCADA upgrading the MPLS nodes at 895s 6 Hours
Daily		  
22-Jan-19 09:00 22-Jan-19 15:00 ALTALINK TE 132s Ware Junction RTU/SCADA upgrading the MPLS nodes at 132s 6 Hours
Daily		  
22-Jan-19 09:00 24-Jan-19 17:00 ALTALINK TE 305s Acheson RTU/SCADA resolve GED400 issues, reconfigure D20 and D25, HMI/site checkout 2.33 Days
Daily		  
22-Jan-19 10:00 22-Jan-19 16:00 ALTALINK Outage 28s 41 (28s West Brooks) add oil to middle phase 6 Hours
Daily		  
22-Jan-19 11:05 22-Jan-19 11:15 ATCO TE 757s Battle River RTU/SCADA Battle River station C-telecom 10 Mins
Continuous		  
22-Jan-19 12:00 22-Jan-19 21:00 ATCO IO ATCO's system operations centre ATCO will be performing an activation of its Emergency Control Centre (ECC) 9 Hours
Continuous		  
23-Jan-19 07:00 31-Jan-19 18:00 ALTALINK Outage 1034L (244s Bowmanton - 324s Cassils) component replacements between structures #2 - 386 8.46 Days
Continuous		  
23-Jan-19 07:00 31-Jan-19 18:00 ATCO IO 2075S Transfer Limit Altalink request - Component replacements between Structures #2 - 386 on 1034L
Isolation points: 244s1034, 324s1034
EATL will be limited up to a maximum of 650MW power transfer (both directions) during this outage		 8.46 Days
Continuous		  
23-Jan-19 07:30 31-Jan-19 17:30 ATCO, ALTALINK RB 1035L (2075s Newell - 244s Bowmanton) crews working within close proximity on 1034L 8.42 Days
Daily		  
23-Jan-19 08:00 24-Jan-19 17:00 ALTALINK TE 283s Violet Grove RTU/SCADA RTU update 1.38 Days
Daily		  
23-Jan-19 08:00 23-Jan-19 16:00 ATCO TE ATCO Radio Tower,7L71 (848s Ruth Lake - 2082s Dog Rib) work on 848s Ruth Lake and 2082s Dog Rib 7L71 A and B teleprotection; work on Dog Rib and Parson Creek radio networks 8 Hours
Continuous		  
23-Jan-19 08:00 25-Jan-19 16:00 ENMAX Outage 14.3TR (ENMAX 14) investigate oil leak, change the gas relay cable and check reversing switch 2.33 Days
Continuous		  
23-Jan-19 08:30 23-Jan-19 16:30 ALTALINK TE 650S Hansman Lake standard relay maintenance 8 Hours
Daily		  
23-Jan-19 08:30 23-Jan-19 16:30 ALTALINK TE 650s Hansman Lake RTU/SCADA troubleshoot/investigate remote access issues 8 Hours
Daily		  
23-Jan-19 08:30 24-Jan-19 16:30 ALTALINK TE 149S Nisku standard relay maintenance 1.33 Days
Daily		  
23-Jan-19 08:30 23-Jan-19 16:30 ALTALINK TE 155S Blackmud standard relay maintenance 8 Hours
Daily		  
23-Jan-19 08:30 24-Jan-19 15:00 ALTALINK TE 163S Amoco Empress standard relay maintenance 30.5 Hours
Daily		  
23-Jan-19 08:30 23-Jan-19 16:30 ALTALINK TE 163s Amoco Empress RTU/SCADA update RTU configuration and perform SCADA checks 8 Hours
Daily		  
23-Jan-19 08:30 24-Jan-19 16:30 ENMAX TE 653S Summit perform standard relay maintenance, redundant protection will be in place while work is being performed, unless otherwise stated. B138B1 87/138B1 MFAC34 (Bus Prot - OOS while testing - 1-2hrs - No redundancy) SEL2BFR 96/252 S252 (653s688) (Brkr fail prot. OOS while testing 2 hrs. - No redundancy) SEL2BFR 96/152 S152(653s752) (Brkr Fail Prot. OOS while testing 2 hrs. - No redundancy) 1.33 Days
Daily		  
23-Jan-19 08:30 23-Jan-19 15:00 ALTALINK TE 648S Metiskow standard relay maintenance 6.5 Hours
Daily		  
23-Jan-19 09:00 23-Jan-19 16:00 ATCO Outage 826s 710 (826s Marguerite Lake) repair oil leak 7 Hours
Continuous		  
23-Jan-19 09:00 24-Jan-19 16:00 ATCO TE 826s 902T (826s Marguerite Lake) relay setting changes for new relay 31 Hours
Continuous		  
23-Jan-19 09:00 23-Jan-19 15:00 ALTALINK TE AltaLink Radio Tower radio maintenance at 9195R Blackfalds 6 Hours
Daily		  
23-Jan-19 09:00 23-Jan-19 15:00 ALTALINK TE AltaLink Radio Tower upgrading the MPLS node at 247s 6 Hours
Daily		  
23-Jan-19 09:00 26-Jan-19 17:00 ATCO TE 2015s YEO RTU/SCADA historian points update 3.33 Days
Continuous		  
23-Jan-19 09:00 27-Jan-19 12:00 ATCO TE 2032s Sweetheart Lake RTU/SCADA historian points update 4.13 Days
Continuous		  
24-Jan-19 07:30 24-Jan-19 13:00 ALTALINK Outage 157s T1 (157s Lac La Biche) install bird cover 5.5 Hours
Daily		  
24-Jan-19 08:00 04-Feb-19 16:00 ENMAX Outage 1.8TR (ENMAX 1),1.82L (ENMAX 1 - ENMAX 5) breaker maintenance on 1B138-2a0, 138kV GIS 11.33 Days
Continuous		  
24-Jan-19 08:00 04-Feb-19 16:00 ALTALINK IO 1.82L Enmax Info HV Breaker maintenance on 1B138-2a0, 138kV GIS 11.33 Days
Continuous		  
24-Jan-19 08:00 24-Jan-19 12:00 ENMAX TE 14.83L (ENMAX 14 - ENMAX 36) re-wiring PT circuits 4 Hours
Continuous		  
24-Jan-19 08:00 24-Jan-19 12:00 ALTALINK TE 719L (575s Sundre - 719L135W) standard relay maintenance 4 Hours
Daily		  
24-Jan-19 08:00 24-Jan-19 16:00 ALTALINK TE 575s Sundre RTU/SCADA RTU alarm changes for 719L outage 8 Hours
Daily		  
24-Jan-19 08:00 25-Jan-19 16:00 ENMAX Outage 11.82L (ENMAX 14 - ENMAX 11) change damaged pole STR#72 1.33 Days
Continuous		  
24-Jan-19 08:30 24-Jan-19 16:30 ALTALINK TE 964S Pigeon Lake standard relay maintenance 8 Hours
Daily		  
24-Jan-19 08:30 24-Jan-19 11:30 ALTALINK TE 574S Nilrem change Qualitrol settings on both 574s T1 and 574s T2 3 Hours
Daily		  
24-Jan-19 11:30 24-Jan-19 16:30 ALTALINK TE 478s Tucuman RTU/SCADA investigate LTC communication issues on 478s T1 5 Hours
Daily		  
24-Jan-19 12:00 24-Jan-19 16:00 ALTALINK TE 719L (575s Sundre - 719L135W) standard relay maintenance 4 Hours
Daily		  
25-Jan-19 07:30 31-Jan-19 17:30 ALTALINK Outage 761L (38s-71s) - GOI Replace Structure 21 6.42 Days
Continuous		  
25-Jan-19 09:00 25-Jan-19 15:00 ALTALINK IO 9004R MPLS upgrading the MPLS node at 9004R Plaza. Loss of Corporate communication redundant path. 6 Hours
Daily		  

Prepared On:   2019-01-16   3:25:13 PM

This document and the information contained herein are based upon information and data which by their nature contain a degree of uncertainty and are subject to change. In addition, this document may contain information and data from public sources and/or third parties, which have been assumed to be accurate and complete and have not been verified. Accordingly, the Independent System Operator, operating as the Alberta Electric System Operator (the "AESO") makes no warranty, representation or guarantee, express or implied, with respect to this document or the information contained herein, including, but not limited to, any warranty, representation or guarantee of accuracy, completeness, timeliness, reliability, availability, absence of computer virus, non- infringement, merchantability or suitability for any purpose. Under no circumstances will the AESO, its members, officers, employees, contractors or agents, or any of their respective affiliates, be liable for any errors or omissions in, or any losses, damages or claims whatsoever, whether in contract, tort or otherwise, arising from use of or reliance upon, this document or any information contained herein.

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