Alberta Electric System Operator
System Co-ordination Plan
2023-11-23 to 2023-12-01
Approved Outages

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From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
05-Oct-18 08:00 31-Dec-23 16:00 EPCOR IO C2 (Rossdale) forced outage 1,913.38 Days
Continuous		  
24-Oct-18 01:13 31-Dec-23 16:00 EPCOR IO C1 (Rossdale) forced outage 1,894.66 Days
Continuous		  
14-Mar-22 14:00 31-Dec-23 18:00 ATCO TE 813s SVC (813s Little Smoky) emergency real time failed relay 657.21 Days
Continuous		  
04-Sep-22 16:50 30-Sep-24 18:00 ATCO Outage 848s 401R (848s Ruth Lake) forced outage 757.05 Days
Continuous		  
15-Mar-23 18:01 01-Mar-24 18:00 SUNCOR Outage 29EDD-71 752-4651 (29EDD-71) breaker will remain offline for undetermined period of time 352.04 Days
Continuous		  
17-May-23 17:01 30-Nov-23 17:00 EPCOR Outage 72RG7 (Garneau - Rossdale), G722 (Garneau), G723 (Garneau) faulted cable 197.04 Days
Continuous		  
29-May-23 08:20 12-Jan-24 23:00 ATCO Outage 840s McNeill Station filter bank forced outage 228.65 Days
Continuous		 AB-SK
05-Jun-23 07:00 22-Dec-23 17:00 EPCOR Outage 805s C1 (805s Jasper), EP 805s J2408 (EP 805s Jasper) Jasper: Emergency Investigation of J2408 Cap Bank Breaker 200.46 Days
Continuous		  
12-Jun-23 00:00 31-Mar-24 00:00 ATCO Outage 7L64 (747s Bassett - 930s Arcenciel) forced outage due to fire 293 Days
Continuous		  
12-Jun-23 10:00 29-Dec-23 17:00 ATCO TE 766s RTU/SCADA (766s Nevis) nevis upgrade project
200.33 Days
Continuous		  
23-Jun-23 10:00 24-Nov-23 17:00 ATCO Outage 822s 701T (822s Wolf Lake), 822s 704 (822s Wolf Lake) P&C and SCADA upgrade
154.33 Days
Continuous		  
23-Jun-23 17:01 15-Jan-24 17:00 EPCOR Outage T3 (Garneau) TX3 LCR construction 206.04 Days
Continuous		  
04-Jul-23 13:00 29-Mar-24 17:30 ATCO IO 840s McNeill Station PQM at 840s McNeill to investigate voltage transients and harmonics 269.19 Days
Continuous		  
10-Jul-23 10:00 04-Dec-23 17:00 ATCO TE 766S 144kV Bus Protection, 766S 240kV Bus Protection 766S Nevis Rebuild Project - 144kV and 240kV Bus protections OOS for duration of project 147.33 Days
Continuous		  
10-Jul-23 10:00 04-Dec-23 17:00 ATCO TE 766s Protection & Control (766s Nevis) 766S Nevis Rebuild Project 147.33 Days
Continuous		  
24-Jul-23 09:00 15-Dec-23 17:30 ATCO TE 766s Protection & Control (766s Nevis) modify protections for 901T replacement project 144.4 Days
Continuous		  
25-Jul-23 11:01 04-Dec-23 17:00 ATCO Outage 766s 901T (766s Nevis) 766S Nevis Rebuild Project 132.29 Days
Continuous		  
31-Jul-23 14:56 14-Dec-23 16:00 ENMAX Outage 38B138-38.1CAP (SS-38), 38.1C (SS-38) motor run time fail 136.09 Days
Continuous		  
12-Aug-23 18:00 28-Nov-23 10:00 ALTALINK Outage 29s T2 (29s Cascade) cutover and energize new 177s switchgear 107.71 Days
Continuous		  
21-Aug-23 17:01 04-Dec-23 17:00 ATCO IO 766s 144kV Bus (766s Nevis) connect new 704A to the 144 kV bus, work still required to install new 903T and 704 to connect to 704A 105.04 Days
Continuous		  
22-Aug-23 09:30 29-Nov-23 17:30 ATCO TE 848s RTU/SCADA (848s Ruth Lake), 848s Protection & Control (848s Ruth Lake) Suncor capacity increase project -
RTU upgrades		 99.38 Days
Continuous		  
01-Sep-23 20:00 31-Mar-24 17:00 ATCO Outage 7L113 (853s Ring Creek - 930s Arcenciel) forced outage 211.88 Days
Continuous		  
08-Sep-23 09:30 14-Dec-23 17:30 ATCO, SUNCOR Outage 29PL9-1 (29EDD-1 Millennium - 848s Ruth Lake), 848s 903 (848s Ruth Lake), 848s 906 (848s Ruth Lake) reconductor 29PL9-1 (Suncor Capacity Increase project) 97.38 Days
Continuous		  
20-Sep-23 10:00 04-Dec-23 17:00 ATCO Outage 766s 240kV Bus (766s Nevis), 766s 901 (766s Nevis), 766s 902 (766s Nevis) replace and commission equipment as part of Nevis rebuild project 75.33 Days
Continuous		  
25-Sep-23 07:00 29-Feb-24 17:00 EPCOR TE 330p RTU/SCADA (330p Genesee) Genesee re-powering project work 157.46 Days
Continuous		  
05-Oct-23 11:30 30-Nov-23 18:00 ATCO Outage 6L12 (774s Monitor - 6L25 tap), 774s 601 (774s Monitor), 774s 701T (774s Monitor), 774s 707 (774s Monitor) forced out 56.31 Days
Continuous		  
09-Oct-23 07:00 08-Dec-23 16:00 ALTALINK TE 368s Protection & Control (368s Burdett) upgrade the A87/138B relay 60.42 Days
Continuous		  
10-Oct-23 09:00 24-Nov-23 17:00 ATCO TE 802s Protection & Control (802s Michichi Creek) relay settings updates and commissioning 45.38 Days
Continuous		  
10-Oct-23 23:00 25-Nov-23 17:00 ALTALINK Outage 62s 12 (62s Brazeau Plant) maintenance 45.79 Days
Continuous		  
16-Oct-23 09:00 28-Nov-23 17:00 ALTALINK TE 368s RTU/SCADA (368s Burdett), AltaLink Distribution Switch supervisory visibility outages may be required to download new configurations 43.38 Days
Continuous		  
18-Oct-23 07:00 01-Feb-24 17:00 EPCOR Outage 987s CDS33 (987s Cloverbar) continued re-configuration of 240 kV ring for new 1191L bay construction will leave the ring open from newly energized CDS41 and CDS44 disconnects. 106.46 Days
Continuous		  
18-Oct-23 07:00 11-Dec-23 17:00 ATCO TE 885s Protection & Control (885s McMillan) 885S protection upgrade 54.46 Days
Continuous		  
23-Oct-23 07:30 18-Dec-23 17:30 ALTALINK RB 983L (244s Bowmanton - 983L tap), 983L (251s Whitla - 983L tap), 983AL (1019s Woolchester - 983L tap) tying in the new 326s Murray Lake substation 56.46 Days
Daily		  
23-Oct-23 08:00 28-Nov-23 16:00 ENMAX Outage 2.82L (SS-2 - SS-5), 5B138-2.82 (SS-5) facilitate future 2.82L double circuit configuration 36.38 Days
Continuous		  
23-Oct-23 09:00 18-Dec-23 17:00 ALTALINK TE 244s Protection & Control (244s Bowmanton) update settings and test 56.38 Days
Daily		  
23-Oct-23 09:00 18-Dec-23 17:00 ALTALINK TE 244s Protection & Control (244s Bowmanton) removing 244s AIS 1143 'A' & 'B' one at a time to update settings and test 56.38 Days
Daily		  
23-Oct-23 12:00 18-Dec-23 15:00 ATCO TE 873s RTU/SCADA (873s Marion Lake), 873s Protection & Control (873s Marion Lake) replacing 601T transformer, and upgrading protection with new protection panels and relays 56.17 Days
Continuous		  
28-Oct-23 08:00 11-Jan-24 16:00 ENMAX Outage 16.61L (SS-16 - SS-27), 16B69-16.61 (SS-16), 27B69-16.61 (SS-27) Line rebuild 75.38 Days
Continuous		  
28-Oct-23 08:00 27-Nov-23 17:00 ATCO TE ATCO RTU/SCADA upgrade RTU 30.42 Days
Continuous		  
29-Oct-23 07:15 30-Nov-23 17:45 ALTALINK Outage 858L (40s Wetaskiwin - 289s Saunders Lake) replace structures within 48 - 188 and perform structure maintenance within 1 - 235. 32.48 Days
Continuous		  
30-Oct-23 10:00 12-Feb-24 17:30 ATCO TE 885s RTU/SCADA (885s McMillan)
protection upgrade at McMillan.		 105.35 Days
Continuous		  
30-Oct-23 11:00 27-Nov-23 12:00 ATCO Outage 885s 704 (885s McMillan), 885s 902T (885s McMillan), 885S 702TD (885s McMillan) protection upgrade 28.08 Days
Continuous		  
31-Oct-23 08:00 17-Jan-24 16:00 ENMAX Outage 1.82L (SS-1 - SS-5), 5B138-1.82 (SS-5) 1.82L duct bank and electrical tie in 78.38 Days
Continuous		  
31-Oct-23 08:00 17-Jan-24 16:00 ENMAX Outage 1.84L (SS-1 - SS-5) 1.84L breaker only outage for initial 1.82L duct bank tie in 78.38 Days
Continuous		  
31-Oct-23 09:00 11-Dec-23 12:00 ATCO TE 855s Protection & Control (855s Hamburg) open PT disconnects for isolation 41.17 Days
Continuous		  
01-Nov-23 07:30 14-Jan-24 17:30 ALTALINK RB 922L (17s Benalto - 310p Sundance) recloser block required due to common tower with 926L 74.46 Days
Continuous		  
01-Nov-23 08:00 23-Nov-23 18:00 SUNCOR TE 29EDD-1 RTU/SCADA (29EDD-1 Millennium) BP-29PL9-1 A&B protection SCADA modification 22.46 Days
Continuous		  
01-Nov-23 08:01 23-Nov-23 18:00 ATCO, SUNCOR Outage 29PL9-1 (29EDD-1 Millennium - 848s Ruth Lake), 29EDD-1 29EDD1s452 (29EDD-1 Millennium), 29EDD-1 29EDD1s552 (29EDD-1 Millennium), 29EDD-1 29EDD1SPL9-1 (29EDD-1 Millennium) BP-29PL9-1 A & B protection retrofit and associated pre-commissioning / commissioning. 260kV ring bus will remain open for line protection retrofit scope of work. (Outage #1b) 22.46 Days
Continuous		  
06-Nov-23 09:00 01-Dec-23 17:05 ATCO TE 700s Protection & Control (700s Bonnyville), 700s RTU/SCADA (700s Bonnyville) relay firmware upgrades required prior to implementing SCADA upgrade 25.34 Days
Continuous		  
08-Nov-23 09:00 26-Nov-23 17:00 ATCO Outage 790s 701T (790s Poplar Hill) testing & bus and feeder relay replacement 18.33 Days
Continuous		  
10-Nov-23 17:00 09-Apr-24 17:00 EPCOR Outage T2 (Rossdale) TX2 LCR, civil demo and construction 150.96 Days
Continuous		  
13-Nov-23 07:00 24-Nov-23 17:00 ALTALINK TE 15s RTU/SCADA (15s Fort Macleod) add and test new points for the L6, L8, and L12 feeder protection upgrades and breaker replacements 11.42 Days
Continuous		  
13-Nov-23 07:00 20-Dec-23 17:00 EPCOR TE 987s Protection & Control (987s Clover Bar) protection blocking for expansion cut-overs 37.42 Days
Continuous		  
13-Nov-23 11:00 24-Nov-23 13:00 ALTALINK Outage 612L (336s Fincastle - 368s Burdett), 368s 612 (368s Burdett), 336s 612 (336s Fincastle) upgrade 368s612L A and B line protections and 368s612 breaker fail protection 11.08 Days
Continuous		  
13-Nov-23 11:00 24-Nov-23 12:00 ALTALINK TE 368s Protection & Control (368s Burdett) 368s612 breaker fail integration 11.04 Days
Continuous		  
13-Nov-23 23:08 21-Dec-23 18:00 ALTALINK Outage 89s 1852 (89s Ellerslie) emergency replacement of failed 89s1852 37.79 Days
Continuous		  
14-Nov-23 08:00 24-Nov-23 15:00 ALTALINK TE AltaLink Telecom Equipment relocate AltaLink's 2012F fiber cable from its temporary location to its permanent location 10.29 Days
Continuous		  
14-Nov-23 09:00 24-Nov-23 16:30 ATCO TE 2029s Heathfield, ATCO PMU replace faulty PMU and commission 10.31 Days
Continuous		  
14-Nov-23 10:00 04-Dec-23 17:00 ATCO TE 755s Protection & Control (755s Cordel), 755s RTU/SCADA (755s Cordel) new panel installed to facilitate RAS 211 and 215, complete wiring and testing, configuration changes and updates 20.29 Days
Continuous		  
14-Nov-23 11:00 24-Nov-23 17:00 ATCO TE 840s Protection & Control (840s McNeill Station), 840s RTU/SCADA (840s McNeill Station) replacement and commissioning of operating work station 10.25 Days
Continuous		  
14-Nov-23 18:01 04-Dec-23 18:00 ATCO, SUNCOR Outage 29PL9-1 (29EDD-1 Millennium - 848s Ruth Lake), 29PL9-2 (29EDD-1 Millennium - 848s Ruth Lake) reconductoring for 29PL9-2
29PL9-2 B protection retrofit and associated pre-commissioning / commissioning (Nov 14 to Dec 02 18:00)
reconductoring for 29PL9-1
29PL9-1 A & B protection retrofit and associated pre-commissioning / commissioning (Nov 21 22:01 to Dec 04, 18:00)		 20 Days
Continuous		  
15-Nov-23 07:00 24-Nov-23 17:00 ALTALINK TE 15s Protection & Control (15s Fort Macleod) trip testing of new L6, L8, and L12 feeder protections on 138 kV bus 9.42 Days
Continuous		  
18-Nov-23 07:00 01-Dec-23 18:00 ALTALINK Outage 922L (17s Benalto - 310p Sundance), 310p 1952 (310p Sundance), 310p 2052 (310p Sundance) new line location of 922L - between structure 8-13 and will install new towers and conductor and complete the cut over from old alignment to new alignment 13.46 Days
Continuous		  
18-Nov-23 07:30 01-Dec-23 17:30 ALTALINK RB 926L (17s Benalto - 310p Sundance) close proximity due to common tower with 926L 13.42 Days
Continuous		  
18-Nov-23 08:00 02-Dec-23 17:00 Lethbridge Outage 823L (146s MacDonald - 593s Lakeview), 593s T2 (593s Lakeview), 593s 823L (593s Lakeview), 146s 823L (146s Macdonald) replacing 593s 823L HV breaker 14.38 Days
Continuous		  
18-Nov-23 15:08 24-Nov-23 17:00 ATCO Outage 813s 503R (813s Little Smoky) forced outage 6.08 Days
Continuous		  
20-Nov-23 07:00 23-Nov-23 18:00 ALTALINK TE AML 511s RTU/SCADA (AML 511s Crossings) fusion re-wiring 3.46 Days
Daily		  
20-Nov-23 07:00 24-Nov-23 17:00 EPCOR Outage T2 (Rossdale), R723 (Rossdale), R721 (Rossdale), RAB2 (Rossdale) Rossdale - TX2 zone for pile installs 4.42 Days
Continuous		  
20-Nov-23 07:00 24-Nov-23 17:00 ENMAX, ALTALINK TE 653s RTU/SCADA (653s Summit) update SCADA configuration 4.42 Days
Daily		  
20-Nov-23 07:00 07-Dec-23 17:00 ENMAX, ALTALINK TE 653s Protection & Control (653s Summit) remove RAS 49, and RAS 50 B relay from service 17.42 Days
Continuous		  
20-Nov-23 08:00 24-Nov-23 16:00 ENMAX Outage 32.3TR (SS-32) oil filtration unit replacement, gas monitor maintenance, oil sampling, relay protection test 4.33 Days
Continuous		  
20-Nov-23 08:30 23-Nov-23 17:30 ALTALINK IO 7L50 (A757s - 252s - 526s) ATCO RB ATCO 7L50 pole and arm replacement using live line techniques 3.38 Days
Daily		  
20-Nov-23 08:30 24-Nov-23 17:00 ALTALINK TE 391s RTU/SCADA (391s Balzac) download new configurations for DDR to RTU 4.35 Days
Daily		  
20-Nov-23 09:00 24-Nov-23 17:30 ATCO TE 757s Protection & Control (757s Battle River), 757s RTU/SCADA (757s Battle River) complete wiring, modify 9L80 protection settings and commission protections modifications, i
includes RTU updates and alarm testing		 4.35 Days
Continuous		  
20-Nov-23 09:00 24-Nov-23 16:00 ALTALINK TE 74s Protection & Control (74s Janet) add telecom channel and update relay firmware 4.29 Days
Continuous		  
20-Nov-23 10:00 24-Nov-23 17:00 ATCO Outage 9L80 (755s Cordel - 757s Battle River), 757s 912T (757s Battle River), 757s 912 (757s Battle River), 757s 710 (757s Battle River), 755s 903 (755s Cordel), 755s 904 (755s Cordel), 757s 9L80D1 (757s Battle River), 755s 9L80D2 (755s Cordel) termination and commissioning of 9L80 LTO and 912T TO 4.29 Days
Continuous		  
20-Nov-23 10:00 24-Nov-23 16:00 ATCO Outage 7L172 (739s Edith Lake - 743s Sarah Lake), 739s 702 (739s Edith Lake), 743s 704 (743s Sarah Lake) bringing over 7L172 relays to the new SCADA pane and testing 4.25 Days
Continuous		  
20-Nov-23 11:00 24-Nov-23 17:30 ATCO, ALTALINK Outage 840s McNeill Station, 830L (562s Cypress - 840s McNeill Station) replacement and commissioning of operating work station, and verification of alarming from devices to station HMI 4.27 Days
Continuous		 AB-SK
20-Nov-23 11:00 24-Nov-23 17:00 ALTALINK TE 38s RTU/SCADA (38s East Edmonton) update configuration for replacing A21/L20 761L protection at 38s 4.25 Days
Daily		  
20-Nov-23 11:00 24-Nov-23 17:00 ALTALINK TE 71s RTU/SCADA (71s Lamoureux) update configuration for replacing A21/L4 761L protection at 71s 4.25 Days
Daily		  
20-Nov-23 11:00 24-Nov-23 17:00 ALTALINK TE 38s Protection & Control (38s East Edmonton) configuration and updating MAC filtering for relay 87/B2 4.25 Days
Daily		  
20-Nov-23 12:30 23-Nov-23 16:30 ALTALINK RB 501CL (983s Cadomin - 501L tap), 501L (426s Coalspur - 501CL tap) component replacement on 501L (str's Range 1 -281) 3.17 Days
Continuous		  
20-Nov-23 14:15 30-Nov-23 14:45 ALTALINK Outage 989L (77s Sagitawah - 310p Sundance), 77s 26 (77s Sagitawah), 77s 29 (77s Sagitawah), 77s 989X (77s Sagitawah), 310p 2652 (310p Sundance), 310p 2752 (310p Sundance) breaker replacement (77s26) and new foundations and new cabling 10.02 Days
Continuous		  
20-Nov-23 14:15 24-Nov-23 14:45 ALTALINK Outage 77s 51 (77s Sagitawah) safety requirement for 77s26 GOI 4.02 Days
Continuous		  
21-Nov-23 07:00 29-Nov-23 18:00 ALTALINK Outage 776L (308s Albchem Beaverhill Creek - 410s Josephburg) line clearance mitigation measures 8.46 Days
Continuous		  
21-Nov-23 07:00 25-Nov-23 18:00 ALTALINK Outage 953L (574s Nilrem - 755s Cordel) replace dampers on 953L structures 284-347 4.46 Days
Continuous		  
21-Nov-23 07:00 25-Nov-23 18:00 ALTALINK RB 1047L (574s Nilrem - 650s Hansman Lake) replace dampers on 953L structures 284-347 4.46 Days
Continuous		  
21-Nov-23 07:00 25-Nov-23 18:00 ALTALINK RB 948L (650s Hansman Lake - 863s Paintearth) replace dampers on 953L structures 284-347 4.46 Days
Continuous		  
21-Nov-23 07:00 25-Nov-23 18:00 ATCO Outage 9L953 (574s Nilrem - 755s Cordel) replace dampers on 953L structures 284-347 4.46 Days
Continuous		  
21-Nov-23 07:00 25-Nov-23 18:00 ATCO IO 9L948 (650s Hansman Lake - 863s Paintearth) AltaLink request for reclosing blocked on 9L948, replace dampers on 953L structures 284-347 4.46 Days
Continuous		  
21-Nov-23 08:00 23-Nov-23 16:00 ALTALINK TE 102s Protection & Control (102s Langdon) 102s SVC relay maintenance 2.33 Days
Daily		  
21-Nov-23 08:00 26-Nov-23 17:00 ALTALINK, ATCO Outage 356s 240kV Bus1 (356s Milo), 1036L (356s Milo - 554s Travers), 356s 852 (356s Milo), 356s 752 (356s Milo), 356s 452 (356s Milo), 356s 152 (356s Milo), 356s 1036 (356s Milo) line install over bus 1 to new dead end bridge 5.38 Days
Continuous		  
21-Nov-23 08:00 26-Nov-23 17:00 ALTALINK Outage 719L (378s Shell Caroline - 575s Sundre), 719L (378s Shell Caroline - 719BL tap), 378s 452 (378s Shell Caroline), 378s 552 (378s Shell Caroline), 378s 652 (378s Shell Caroline), 575s 719N (575s Sundre), 378s 719N (378s Shell Caroline), 378s 719X (378s Shell Caroline) maintenance work on structures 5.38 Days
Continuous		  
21-Nov-23 08:00 26-Nov-23 00:00 ALTALINK RB 1005L (120s Picture Butte - 1005AL tap), 1005L (356s Milo - 1005AL tap), 1005AL (991s Little Bow - 1005L tap) installing new 1036L structure 1, proximity requirement 4.67 Days
Daily		  
21-Nov-23 08:00 30-Nov-23 17:00 ALTALINK TE 77s RTU/SCADA (77s Sagitawah) RTU database update 9.38 Days
Daily		  
21-Nov-23 09:00 23-Nov-23 17:00 BCH Outage T4 (BCH Natal) NTL ATS replacement 2.33 Days
Continuous		 AB-BC
21-Nov-23 10:00 24-Nov-23 16:00 ATCO TE 790s RTU/SCADA (790s Poplar Hill) RTU configuration updates 3.25 Days
Continuous		  
22-Nov-23 07:00 20-Dec-23 17:00 ALTALINK, EPCOR Outage 921L (71s Lamoureux - 987s Clover Bar), 987s T2 (987s Clover Bar), 987s T4 (987s Clover Bar), 987s CC721 (987s Clover Bar), 987s CDS31 (987s Clover Bar), 987s C2404 (987s Clover Bar), 987s C2405 (987s Clover Bar), 987s C2406 (987s Clover Bar), 987s C2408 (987s Clover Bar), 987s CDS39 (987s Cloverbar) Cloverbar S/S 240 kV re-configuration as part of the air products project 28.42 Days
Continuous		  
22-Nov-23 07:00 20-Dec-23 17:00 ALTALINK, EPCOR IO 921L (71s Lamoureux - 987s Clover Bar) Cloverbar S/S 240 kV re-configuration as part of the air products project 28.42 Days
Continuous		  
22-Nov-23 10:00 23-Nov-23 17:00 ATCO TE ATCO Telecom Equipment update 1045S 7L50 RAS #134 RAS A and B relays and commission 31 Hours
Continuous		  
22-Nov-23 23:00 23-Nov-23 03:00 ALTALINK Outage 250p 22 (250p Bighorn Plant) maintenance 4 Hours
Daily		  
23-Nov-23 07:00 23-Nov-23 16:00 ATCO, ALTALINK, FMGW TE 1024s RTU/SCADA (1024s Granlea) new software push to the Siemens system 9 Hours
Continuous		  
23-Nov-23 07:30 24-Nov-23 18:00 ALTALINK RB 846L (127s Bruderheim - 365s Canadianoxy Astotin Creek) replacing Guy wire and adding anchor extensions at STR 3 1.44 Days
Daily		  
23-Nov-23 08:00 23-Nov-23 17:00 ATCO TE 2029s Protection & Control (2029s Heathfield) RAS HUB-A SEL-3530 settings update 9 Hours
Continuous		  
23-Nov-23 08:00 23-Nov-23 10:00 ENMAX Outage 35B138-83 (SS-35) breaker trip coil test 2 Hours
Continuous		  
23-Nov-23 08:00 24-Nov-23 17:00 ALTALINK TE AltaLink Telecom Equipment upgrade 9900R Ellscott Radio MPLS nodes 1.38 Days
Daily		  
23-Nov-23 08:00 23-Nov-23 16:00 ENMAX Outage 5.10TR (SS-5) 5.10 TC replace PRD junction box, 5.10TR LTC counter, check reversing switch 5.10TR 8 Hours
Continuous		  
23-Nov-23 08:00 23-Nov-23 16:00 ENMAX Outage 162.4TR (SS-162) 162.4TR SEL-387E settings changes 8 Hours
Continuous		  
23-Nov-23 08:30 23-Nov-23 17:00 ALTALINK TE 391s Protection & Control (391s Balzac) install new output card, setting changes and module internal wiring modifications to add line protection operation initiates to new DDR being installed 8.5 Hours
Daily		  
23-Nov-23 08:30 23-Nov-23 17:00 ATCO TE ATCO Telecom Equipment maintenance on aprisa radio at kitscoty 8.5 Hours
Continuous		  
23-Nov-23 09:00 23-Nov-23 17:00 ALTALINK Outage 151s T1 (151s Strathmore) close open point A 8 Hours
Continuous		  
23-Nov-23 09:00 23-Nov-23 15:00 ENMAX, ALTALINK Outage 653.2TR (653s Summit), 653s 138-653.2TR (653s Summit) connect CTs to new B bus protection and perform trip tests 6 Hours
Continuous		  
23-Nov-23 09:00 23-Nov-23 18:00 ATCO TE 739s RTU/SCADA (739s Edith Lake), ATCO Telecom Equipment low bes checkpoint firewall installs 9 Hours
Continuous		  
23-Nov-23 09:00 24-Nov-23 17:00 ATCO, CNRL TE 847s RTU/SCADA (847s Muskeg River) low bes firewall install 1.33 Days
Continuous		  
23-Nov-23 10:01 23-Nov-23 12:00 ENMAX Outage 35B138-82 (SS-35) breaker trip coil test 119 Mins
Continuous		  
23-Nov-23 12:01 23-Nov-23 14:00 ENMAX Outage 35B138-80 (SS-35) breaker trip coil test 119 Mins
Continuous		  
23-Nov-23 13:00 23-Nov-23 14:00 ALTALINK TE 177s RTU/SCADA (177s West Cascade), 29s RTU/SCADA (29s Cascade) urgent configuration update for cutover to new pad mount switchgear 60 Mins
Daily		  
23-Nov-23 14:01 23-Nov-23 16:00 ENMAX Outage 35B138-81 (SS-35) breaker trip coil test 119 Mins
Continuous		  
24-Nov-23 07:00 22-Dec-23 17:00 EPCOR Outage 330P 12TC1 (330p Genesee), 330p 805 (330p Genesee) Genesee S/S 12TC1 decommissioning 28.42 Days
Continuous		  
24-Nov-23 08:00 24-Nov-23 17:00 ALTALINK TE AltaLink Telecom Equipment, 198s RTU/SCADA (198s Blackfalds), 482s RTU/SCADA (482s Haynes) 9195R MPLS node A work 9 Hours
Daily		  
24-Nov-23 08:00 24-Nov-23 18:00 BCH, ALTALINK Outage 1L275 (799s Coleman - BCH Natal), 1CB2 (BCH Natal), 799s 786W (799s Coleman) emergent hot spot repairs 10 Hours
Continuous		 AB-BC
24-Nov-23 08:00 24-Nov-23 18:00 ALTALINK Outage 786L (799s Coleman - BCH Natal) emergency - hot spot repairs 10 Hours
Daily		  
24-Nov-23 08:30 24-Nov-23 17:00 ALTALINK TE 391s Protection & Control (391s Balzac) cut in CT circuit to DDR, setting changes and wiring modifications to add line protection operation initiates to new DDR being installed 8.5 Hours
Daily		  
24-Nov-23 13:00 24-Nov-23 14:00 ALTALINK TE 177s RTU/SCADA (177s West Cascade), 29s RTU/SCADA (29s Cascade) urgent configuration update for cutover to new pad mount switchgear 60 Mins
Daily		  
25-Nov-23 07:00 26-Nov-23 17:00 ALTALINK TE 14s RTU/SCADA (14s Devon) update configuration for new AC fail, battery charger fail, DC ground and battery electrolyte alarms 1.42 Days
Daily		  
25-Nov-23 07:30 30-Nov-23 17:30 ALTALINK RB 174L (197s Bardo - 289s Saunders Lake) safety requirement re 858L GOI 5.42 Days
Daily		  
25-Nov-23 08:00 25-Nov-23 16:00 ENMAX Outage 31.2TR (SS-31) oil Sampling 8 Hours
Continuous		  
26-Nov-23 00:00 26-Nov-23 06:00 ATCO TE 845s Protection & Control (845s Big Mountain), 813s Protection & Control (813s Little Smoky) hybrid wireless (service provider) will be doing fiber repairs 6 Hours
Continuous		  
26-Nov-23 07:00 30-Nov-23 18:00 ALTALINK RB 948L (650s Hansman Lake - 863s Paintearth) replace dampers on 1047L structures 1-64 4.46 Days
Continuous		  
26-Nov-23 07:00 30-Nov-23 18:00 ALTALINK RB 953L (574s Nilrem - 755s Cordel) replace dampers on 1047L structures 1-64 4.46 Days
Continuous		  
26-Nov-23 07:00 30-Nov-23 18:00 ALTALINK Outage 1047L (574s Nilrem - 650s Hansman Lake) replace dampers on 1047L structures 1-64 4.46 Days
Continuous		  
26-Nov-23 07:00 30-Nov-23 18:00 ATCO IO 9L953 AltaLink request - replace dampers on 1047L structures 1-64 4.46 Days
Continuous		  
26-Nov-23 07:00 30-Nov-23 18:00 ATCO IO 9L948 (650s Hansman Lake - 863s Paintearth) AltaLink request, replace dampers on 1047L structures 1-64
4.46 Days
Continuous		  
26-Nov-23 10:00 26-Nov-23 16:00 ATCO RB 790s 144kV Bus 700BS1 (790s Poplar Hill), 790s 144kV Bus 700BS2 (790s Poplar Hill) attach 902S 144 kV risers 6 Hours
Continuous		  
27-Nov-23 07:00 04-Dec-23 17:00 ALTALINK TE 63s Protection & Control (63s Red Deer) return temporary settings changes on 63s912L A21/L4 line protections back to original settings 7.42 Days
Continuous		  
27-Nov-23 07:00 01-Dec-23 17:00 ATCO, PWLP TE 973s Protection & Control (973s Lanes Lake) end to end testing on APS 211 and APS 215 with 755S Cordel (CSP#2-00076170) 4.42 Days
Continuous		  
27-Nov-23 07:00 02-Dec-23 17:00 EPCOR Outage T2 (Meadowlark), M722 (Meadowlark), M723 (Meadowlark) TX2 zone CVT Replacement 5.42 Days
Continuous		  
27-Nov-23 08:00 11-Dec-23 13:00 ATCO, ALTALINK IO 1085L (852s Round Hill - 885s McMillan) 885S McMillan sub protection upgrade - ATCO advice 14.21 Days
Continuous		  
27-Nov-23 08:00 07-Dec-23 17:00 ATCO TE 766s Protection & Control (766s Nevis), 755s Protection & Control (755s Cordel) 9L20 and 9L912 bypass removal relay work 10.38 Days
Continuous		  
27-Nov-23 08:00 01-Dec-23 17:00 ALTALINK TE 28s RTU/SCADA (28s West Brooks) implement fault reporting on 1052L (L2), 1075L (L3), 1051L (L4), 853L (L6), 666L (L10) lines 4.38 Days
Daily		  
27-Nov-23 08:00 08-Dec-23 16:00 ALTALINK TE 368s Protection & Control (368s Burdett) 96/79/25SC/352 (368s612) & 96/79/452 (368s722X) protection outage is required to integrate the new breaker fail trips from 368s612 11.33 Days
Continuous		  
27-Nov-23 08:00 30-Nov-23 15:00 ALTALINK TE 602s RTU/SCADA (602s Cold Creek) update configuration for transformer protection alarm splitting 3.29 Days
Daily		  
27-Nov-23 08:00 01-Dec-23 17:00 ALTALINK TE 28s 931N (28s West Brooks) protection outages to implement fault reporting;1052L A87/21/L2,1052L B87/21/L2,1075L A21/L3,1051L A87/21/79/L4, 1051L B87/21/L4, 853L A21/L6, 853L B21/79/L6, 666L A21/79/L10,666L B21/L10 4.38 Days
Daily		  
27-Nov-23 08:00 28-Nov-23 17:00 ALTALINK TE 391s RTU/SCADA (391s Balzac) download new configurations for any deficiency cleanup if required as part of the new DDR installation 1.38 Days
Daily		  
27-Nov-23 08:00 30-Nov-23 17:00 ALTALINK TE AltaLink Telecom Equipment, 228s RTU/SCADA (228s T.M.P.L. Niton) 4G RTU upgrade project at 228s 3.38 Days
Daily		  
27-Nov-23 08:00 30-Nov-23 17:00 ALTALINK Outage 719L (378s Shell Caroline - 719BL tap) Maintenance work on structures 191J, 191L, 192,-195, 198, 200, 202 & 207 3.38 Days
Continuous		  
27-Nov-23 08:00 07-Dec-23 18:00 Syncrude Outage 13 (Aurora) breaker 52-13 replacement 10.42 Days
Continuous		  
27-Nov-23 08:00 30-Nov-23 18:00 ATCO, ALTALINK RB 1036L (356s Milo - 554s Travers) setting poles and install anchors for new 1097L structure 1 near 1035L. required for proximity 3.42 Days
Daily		  
27-Nov-23 08:00 07-Mar-25 16:00 ENMAX Outage 32.2TR (SS-32) 32 sub 32.2TR 8 kV bus switchgear demolition 466.33 Days
Continuous		  
27-Nov-23 08:00 27-Nov-23 17:00 ALTALINK TE 447s RTU/SCADA (447s Enchant) cutting over SCADA supervisory circuit to new MPLS at 447s Enchant 9 Hours
Daily		  
27-Nov-23 09:00 30-Nov-23 16:30 ATCO Outage 7L50 (757s Battle River - 491L tap) 7L50 Pole and arm replacement 3.31 Days
Continuous		  
27-Nov-23 09:00 03-Dec-23 16:00 ATCO Outage 7L32 (813s Little Smoky - 862s South Bezanson) line to ground mitigation 6.29 Days
Continuous		  
27-Nov-23 09:00 27-Nov-23 12:00 ATCO Outage 845s 701 (845s Big Mountain) PRC-005 Trip Coil Testing 3 Hours
Continuous		  
27-Nov-23 09:30 01-Dec-23 17:30 ALTALINK RB 757L (17s Benalto - 758L tap), 757L (297s Rimbey - 758L tap) repairing U/B violation on structure #757L215 4.33 Days
Daily		  
27-Nov-23 09:30 10-Dec-23 19:00 ENMAX, ALTALINK Outage 918L (281s Johnson - SS-162) completion of replacement of bent steel, re-tie/replace OHSW dampers, installation on aerial number boards, and damper replacement between structures 606-840 13.4 Days
Continuous		  
27-Nov-23 09:30 10-Dec-23 19:00 ENMAX, ALTALINK IO 918L (281s Johnson - SS-162) Altalink outage - completion of replacement of bent steel, re-tie/replace OHSW dampers, installation on aerial number boards, and damper, switching C162s 162MD240-918L and 918L recloser block 13.4 Days
Continuous		  
27-Nov-23 09:30 27-Nov-23 18:00 ALTALINK Outage 391s 611 (391s Balzac), 611L (186s Dry Creek - 391S Balzac) 391s611 (152) breaker outage to cut over and commission CT circuits, 152 breaker status, 152 Breaker Failure and line protection operation initiates to new DDR being installed. 8.5 Hours
Daily		  
27-Nov-23 10:00 27-Nov-23 17:00 ATCO Outage 755s 903 (755s Cordel) open bkr 903 7 Hours
Continuous		  
27-Nov-23 10:00 04-Dec-23 12:00 ATCO Outage 7L40 (733s Simonette - 813s Little Smoky) pole replacement 7.08 Days
Continuous		  
27-Nov-23 10:00 27-Nov-23 17:30 ALTALINK Outage 611L (186s Dry Creek - 391S Balzac) Lengthen risers on the line at 391s 7.5 Hours
Daily		  
27-Nov-23 10:00 30-Nov-23 17:00 ALTALINK TE 63s Protection & Control (63s Red Deer) perform maintenance on the following non redundant breaker protections S1852 96/1852, S2652 25SC/2652, S2752 25SC/2752, S552 25SC/552, S652 25SC/652 3.29 Days
Daily		  
27-Nov-23 10:00 28-Nov-23 17:00 ATCO TE 801s RTU/SCADA (801s Anderson) annual maintenance at 801s including:
- SMP (station Controller)
- RTAC SEL-3530
- GE RTU		 31 Hours
Continuous		  
27-Nov-23 11:00 27-Nov-23 12:00 ATCO TE Sulphur Point_S-Telecom, 930s RTU/SCADA (930s Arcenciel) upgrade Sulphur Point NET 1 SAR OS 60 Mins
Continuous		  
27-Nov-23 11:00 27-Nov-23 16:00 ALTALINK Outage 368s T1 (368s Burdett) integrate A87/138B trip and 368s612/368s722X CT contributions to 368sT1 (Tx18739) 5 Hours
Daily		  
27-Nov-23 11:00 27-Nov-23 15:00 ALTALINK TE AltaLink Telecom Equipment 251s - complete MPLS upgrade and LAN switch install 4 Hours
Daily		  
27-Nov-23 12:00 30-Nov-23 16:00 ATCO Outage 9L56 (720s Wabasca - 876s Brintnell), 876s 902 (876s Brintnell), 876s 904 (876s Brintnell) 21A&B/ 9L56, 50BF/902 RTXP Test Switch Replacement, PRC-005 Relay Testing 21A&B / 9L56 an 50BF/ Bkr 902, PRC-005 Trip Coil Testing Breaker 902 3.17 Days
Continuous		  
27-Nov-23 12:00 30-Nov-23 16:00 ATCO TE 879s Protection & Control (879s Scotford Upgrader) 21A&B/ 9L56, 50BF/902 RTXP Test Switch Replacement, PRC-005 Relay Testing 21A&B / 9L56 an 50BF/ Bkr 902, PRC-005 Trip Coil Testing Breaker 902 3.17 Days
Continuous		  
27-Nov-23 12:00 28-Nov-23 17:00 ALTALINK TE 723s Protection & Control (723s Christina Lake) upgrade all cards in B87/50/51/51NN/T1 relay 29 Hours
Daily		  
27-Nov-23 12:00 28-Nov-23 17:00 ALTALINK TE 723s RTU/SCADA (723s Christina Lake) update configuration as part of B87/50/51/51NN/T1 relay card replacements 29 Hours
Daily		  
27-Nov-23 12:00 11-Dec-23 13:00 ATCO, ALTALINK Outage 885s 902T (885s McMillan), 9L55 (AML 852s Round Hill - 885s McMillan), 885s 260kV Bus 900BS2 (885s McMillan), 885s 902 (885s McMillan), 885s 903 (885s McMillan), 885S 902TD (885s McMillan), 885S 702TD (885s McMillan), 885s 704 (885s McMillan), 885s 501R (885s McMillan) 885s McMillan sub protection upgrade: complete protection cut over and commissioning of new protection on 902T, 704/7L02 Line protection, 25kV reactor protection 14.04 Days
Continuous		  
27-Nov-23 12:01 27-Nov-23 15:00 ATCO Outage 845s 702 (845s Big Mountain) PRC-005 Trip Coil Testing 2.98 Hours
Continuous		  
27-Nov-23 12:30 30-Nov-23 16:30 ALTALINK RB 501CL (983s Cadomin - 501L tap), 501L (426s Coalspur - 501CL tap) component replacement 501L (str's range 1 -281) 3.17 Days
Continuous		  
27-Nov-23 12:30 30-Nov-23 17:30 ALTALINK RB 701L (223s Strome - 395s North Holden) woodpecker damage inspection (str 1-320C) 3.21 Days
Daily		  
27-Nov-23 12:30 30-Nov-23 17:30 ALTALINK RB 701L (223s Strome - 7LA701 tap) woodpecker damage inspection (str 320D-449) 3.21 Days
Daily		  
27-Nov-23 12:30 30-Nov-23 17:30 ALTALINK RB 702L (137s Sedgewick - 377s AML Hardisty), 702L (137s Sedgewick - 757s Battle River) woodpecker damage inspections (str 11-456) 3.21 Days
Daily		  
27-Nov-23 12:30 30-Nov-23 17:30 ATCO IO 7L702 (137s Sedgewick - 757s Battle River) Altalink - woodpecker damage inspections (str 11-456) 3.21 Days
Continuous		  
27-Nov-23 12:30 30-Nov-23 17:30 ATCO IO 7L701 (757s Battle River - 7LA701 tap) AltaLink work - woodpecker damage inspections (str 320D - 449) 3.21 Days
Continuous		  
27-Nov-23 13:00 27-Nov-23 17:00 ALTALINK Outage 658L (562s Cypress - 658AL tap), 658L (649s Chappice Lake - 658AL tap), 658AL (662s Hilda - 658AL tap) Open North jumpers at structure 286A. 4 Hours
Continuous		  
27-Nov-23 13:00 01-Dec-23 16:30 ALTALINK TE 394s Protection & Control (394s Empress) disable 394s 1134 AIS A77 and B77 anti-islanding relays for duration of 658L outage 4.15 Days
Continuous		  
27-Nov-23 15:00 01-Dec-23 16:00 ALTALINK RB 658L (562s Cypress - 658AL tap), 658L (649s Chappice Lake - 658AL tap), 674L (244s Bowmanton - 649s Chappice Lake) crews working in proximity to line str 287-365 4.04 Days
Daily		  
27-Nov-23 17:00 01-Dec-23 12:30 ALTALINK Outage 658L (649s Chappice Lake - 658AL tap) 658L comp replacement (103-284) 3.81 Days
Continuous		  
28-Nov-23 07:00 29-Nov-23 18:00 ALTALINK Outage 704L (51s Wainwright - 478s Tucuman) Replace rotten structure 275. 1.46 Days
Continuous		  
28-Nov-23 07:30 01-Dec-23 17:30 ALTALINK RB 995L (17s Benalto - 995AL tap), 995L (62s Brazeau Plant Plant - 995AL tap) Replace bent steel tower members near base of structures 225 & 230. 3.42 Days
Daily		  
28-Nov-23 07:30 28-Nov-23 18:00 ENMAX, ALTALINK Outage 162.81L (391s Balzac - SS-162), 391s 162.81 (391s Balzac) 162.81L outage to cut over and commission CT circuits, 552 breaker status, 552 Breaker Failure and line protection operation initiates to new DDR being installed. 10.5 Hours
Daily		  
28-Nov-23 07:30 28-Nov-23 18:00 ENMAX IO 162.81L (391s Balzac - SS-162) Altalink outage 10.5 Hours
Continuous		  
28-Nov-23 08:00 28-Nov-23 16:00 ALTALINK Outage 368s C1 (368s Burdett), 368s C2 (368s Burdett) integrate new A87/138B, 368s612 & 368s722X breaker fail trip to 368s C1 & C2 8 Hours
Daily		  
28-Nov-23 08:00 05-Dec-23 18:00 SUNCOR Outage 29PL7-1 (29EDD-34 - 29EDD-85), 29EDD-34 29-752-121 (29EDD-34), 29EDD-85 29PS-426 (29EDD-85) connect 29PL7-1 CT circuit to newly installed DFR relay 7.42 Days
Continuous		  
28-Nov-23 08:00 29-Nov-23 17:00 ALTALINK TE 275s Protection & Control (275s Jenner) Techs to perform settings changes to disable FTP on the following redundant line protection: 1002L A21/79/L3 SEL421, 951L A21/79/L2 SEL 421, 601L B21/67/96/L13 - Redundant Protections Available. and 11(96/25SC/79)/1652 URC60 - Non redundant Protection* 1.38 Days
Daily		  
28-Nov-23 08:00 01-Dec-23 16:00 ATCO TE ATCO Telecom Equipment Full Outage to Link, Carrier replacement - Louise creek to Virginia hills - Redundant protection in service
TPRNN118 / 6L126 A
TPRNT005 / 9L938 A
TPRNT007 / 9L939 A
TPRNT009 / 9L913 A		 3.33 Days
Continuous		  
28-Nov-23 08:00 28-Nov-23 18:00 Syncrude TE Syncrude RTU/SCADA (Syncrude Mildred Lake) AESO Project # P7071 Go WAN Project
Phase 3 – UTN network end to end connectivity:
Phase 4 – Network and app
 10 Hours
Continuous		  
28-Nov-23 08:00 28-Nov-23 16:00 ENMAX IO Protection & Control (SS-9) SSTR9-2, SSTR9-1 Transformer Outage. Automatic Transfer Switch Maintenance - 9-ATS-9. Automatic transfer between transformers required prior to outage. Back-up generator install while station service TRs are offline. 8 Hours
Continuous		  
28-Nov-23 08:30 30-Nov-23 17:00 ATCO Outage 2075s 902T (2075s Newell), 2075s ACF21 (2075s Newell) During normal operation, SVC2 utilizes two glycol pumps, one of which recently failed. The single pump still in service is running 24/7 which is straining the device, and if it fails, SVC2 will trip off. As of today, the 2nd pump is showing signs of possible failure.
 2.35 Days
Continuous		  
28-Nov-23 09:00 28-Nov-23 10:00 ATCO TE ATCO Telecom Equipment upgrade Sheerness net 11 SAR OS 60 Mins
Continuous		  
29-Nov-23 07:00 04-Dec-23 18:00 ALTALINK Outage 688L (199s East Airdrie - 688AL tap) Building new T-tap 688BL between Structures #688L61 & 62 to the new I-1055s Sollair Sub. 5.46 Days
Continuous		  
29-Nov-23 07:30 30-Nov-23 18:00 ALTALINK Outage 391s T2 (391s Balzac) 391s outage to cut over and commission 1.44 Days
Continuous		  
29-Nov-23 08:00 29-Nov-23 16:00 ALTALINK Outage 368s 879 (368s Burdett), 879L (368s Burdett - 879L tap) integrate the A87/138B CT 8 Hours
Daily		  
29-Nov-23 08:00 29-Nov-23 17:00 Lethbridge Outage 593s 12 (593s Lakeview) installing risers on 593s823l 9 Hours
Continuous		  
29-Nov-23 08:00 29-Nov-23 17:00 ALTALINK TE AltaLink Telecom Equipment, 332s RTU/SCADA (332s Ellis), 212s RTU/SCADA (212s Lacombe), 332s Protection & Control (332s Ellis), 212s Protection & Control (212s Lacombe) upgrade 332s MPLS node. 9 Hours
Daily		  
29-Nov-23 08:00 29-Nov-23 17:00 ALTALINK TE AltaLink Telecom Equipment, 56s RTU/SCADA (56s Boyle), 56s Protection & Control (56s Boyle) upgrade 9056R boyle radio MPLS node 9 Hours
Daily		  
29-Nov-23 09:00 29-Nov-23 17:00 BCH Outage T4 (BCH Natal) NTL SS4 PCB soil remediation 8 Hours
Continuous		 AB-BC
29-Nov-23 09:00 29-Nov-23 17:00 ATCO TE ATCO Telecom Equipment Low Bes Firewall Install, Total outage to IP Network access traffic for 90 minutes.
Includes Sheerness Generation SCADA Visibility		 8 Hours
Continuous		  
29-Nov-23 09:00 29-Nov-23 16:00 ATCO RB 7L54 (794s Valleyview - 813s Little Smoky) Set an additional pole on 7L32 by little smoky sub 7 Hours
Continuous		  
29-Nov-23 09:00 29-Nov-23 16:00 ALTALINK TE 659s RTU/SCADA (659s Pegasus Lake) supervisory outage required to test the recloser status 7 Hours
Daily		  
29-Nov-23 10:00 29-Nov-23 17:00 ATCO TE 948s RTU/SCADA (948s Heatburg) changing alarm relay names 7 Hours
Continuous		  
29-Nov-23 23:00 30-Nov-23 03:00 ALTALINK Outage 62s 11 (62s Brazeau Plant) maintenance 4 Hours
Daily		  
30-Nov-23 08:00 30-Nov-23 16:00 ENMAX IO Protection & Control (SS-36) SSTR36-2, SSTR36-1 Transformer Outage. Automatic Transfer Switch Maintenance - 36-ATS-36-1. Automatic transfer between transformers required prior to outage. Back-up generator install while station service TRs are offline. 8 Hours
Continuous		  
30-Nov-23 10:00 30-Nov-23 16:30 ATCO TE 755s RTU/SCADA (755s Cordel) firmware upgrade 6.5 Hours
Continuous		  
01-Dec-23 06:30 10-Dec-23 17:30 ENMAX, ALTALINK RB 771L (SS-47 - SS-162) required for 162.81L 461L 1-121 component replacement 9.46 Days
Continuous		  
01-Dec-23 06:30 10-Dec-23 17:30 ENMAX, ALTALINK RB 771L (SS-47 - SS-162) required for 918L replacements due to proximity 9.46 Days
Daily		  
01-Dec-23 07:00 07-Dec-23 17:00 ALTALINK TE 199s Protection & Control (199s East Airdrie) upgrade protections and implement new POTT scheme 6.42 Days
Daily		  
01-Dec-23 07:00 07-Dec-23 17:00 ENMAX, ALTALINK TE 653s Protection & Control (653s Summit) update 688L protection 6.42 Days
Continuous		  
01-Dec-23 07:00 07-Dec-23 17:00 ALTALINK TE 199s RTU/SCADA (199s East Airdrie) update SCADA configuration 6.42 Days
Daily		  
01-Dec-23 07:00 07-Dec-23 17:00 ENMAX, ALTALINK TE 653s RTU/SCADA (653s Summit) update SCADA configuration 6.42 Days
Daily		  
01-Dec-23 07:00 01-Dec-23 10:00 ALTALINK Outage 126L1 (6L126 tap) Test operation of 126L1 (affecting 6L126) to see if adjustments or switch replacements is required 3 Hours
Continuous		  
01-Dec-23 07:30 01-Dec-23 09:30 ATCO IO 6L126 (743s Sarah Lake - 515L tap) AltaLink Request for Isolation on 6L126 at 743S Sarah Lake to Test operation of 126L1 2 Hours
Continuous		  
01-Dec-23 08:00 01-Dec-23 13:00 ALTALINK Outage 368s T2 (368s Burdett) integrate A87/138B trip & 368s612/368s722X CT contributions to 368sT2 (Tx18500) 5 Hours
Daily		  
01-Dec-23 08:30 01-Dec-23 17:00 ALTALINK TE 391s Protection & Control (391s Balzac) setting changes and wiring additions to add protection operation initiates to new DDR being installed 8.5 Hours
Daily		  
01-Dec-23 09:00 01-Dec-23 17:30 ATCO TE 749s Flyingshot Lake Protection & Control, 749s Flyingshot Lake RTU/SCADA update settings on 7L84 relays for Telecom outage 2-76418 8.5 Hours
Continuous		  
01-Dec-23 10:00 01-Dec-23 11:00 ALTALINK IO 813L (L146s) CofL - Info Solate DC source to test for ground fault, A and B protection 60 Mins
Daily		  
01-Dec-23 11:00 01-Dec-23 13:00 ALTALINK IO 667L (L146s) CofL - Info Solate DC source to test for ground fault, A and B protection 2 Hours
Daily		  
01-Dec-23 11:00 01-Dec-23 13:00 ALTALINK IO 823L (L146s) CofL - Info Solate DC source to test for ground fault, A and B protection 2 Hours
Daily		  
01-Dec-23 12:00 01-Dec-23 13:00 ATCO TE ATCO Telecom Equipment, 722s RTU/SCADA (722s Crystal Lake), 7L39 (722s Crystal Lake - 7LA39 tap), 7L84 (722s Crystal Lake - 749s Flyingshot Lake), 7L68 (730s Rycroft - 811s Clairmont Lake) outage on Crystal Lake telecom 60 Mins
Continuous		  
01-Dec-23 12:30 01-Dec-23 16:30 ALTALINK Outage 658L (562s Cypress - 658AL tap), 658L (649s Chappice Lake - 658AL tap) Close North jumpers at structure 286A. 4 Hours
Daily		  

Prepared On:   2023-11-22   14:34:27

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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