Alberta Electric System Operator
System Co-ordination Plan
2023-11-30 to 2023-12-08
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		  
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 17:01 31-Jan-24 17:00 EPCOR Outage T3 (Garneau) TX3 LCR construction 222.04 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 05-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 148.33 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 04-Dec-23 17:30 ATCO TE 766s Protection & Control (766s Nevis) modify protections for 901T replacement project 133.4 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		  
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		  
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 15-Dec-23 18:00 ATCO Outage 6L12 (774s Monitor - 6L25 tap), 774s 601 (774s Monitor), 774s 701T (774s Monitor), 774s 707 (774s Monitor) forced out 71.31 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		  
16-Oct-23 09:00 01-Dec-23 17:00 ALTALINK TE 368s RTU/SCADA (368s Burdett), AltaLink Distribution Switch supervisory visibility outages may be required to download new configurations 46.38 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 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		  
29-Oct-23 07:15 02-Dec-23 17:45 ALTALINK Outage 858L (40s Wetaskiwin - 289s Saunders Lake) replace structures within 48 - 188 and perform structure maintenance within 1 - 235. 34.48 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		  
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		  
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		  
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 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 23:08 05-Dec-23 13:29 ALTALINK Outage 89s 1852 (89s Ellerslie) emergency replacement of failed 89s1852 21.6 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 18:01 19-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 and 29PL9-1, protection retrofit and associated pre-commissioning and commissioning
35 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		  
20-Nov-23 07:00 01-Dec-23 17:00 EPCOR Outage T2 (Rossdale), R723 (Rossdale), R721 (Rossdale), RAB2 (Rossdale) Rossdale - TX2 zone for pile installs 11.42 Days
Continuous		  
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 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		  
21-Nov-23 08:00 30-Nov-23 17:00 ALTALINK TE 77s RTU/SCADA (77s Sagitawah) RTU database update 9.38 Days
Daily		  
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 07:00 01-Dec-23 17:00 EPCOR TE 330p Protection & Control (330p Genesee) Genesee - comm channel card repair 9.42 Days
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 09:00 01-Dec-23 16:00 ENMAX Outage 13.3TR (SS-13) Emergency Outage to 13.3TR for tap changer hot spot 7.29 Days
Continuous		  
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		  
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		  
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), MAB2 (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), 28s Protection & Control (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 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 09:00 30-Nov-23 16:30 ATCO Outage 7L50 (757s Battle River - 491L tap), 757s 709 (757s Battle River) 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 09:30 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 08-Dec-23 17:00 ATCO Outage 730s STATCOM (730s Rycroft), 730s 702T (730s Rycroft) forced outage due to damaged cooling system 11.31 Days
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 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 12:00 01-Dec-23 16:00 ATCO Outage 9L56 (720s Wabasca - 876s Brintnell), 876s 902 (876s Brintnell), 876s 904 (876s Brintnell) test switch replacement 4.17 Days
Continuous		  
27-Nov-23 12:00 30-Nov-23 16:00 ATCO TE 876s Protection & Control (876s Brintnell) PRC-005 relay testing and trip coil testing 3.17 Days
Continuous		  
27-Nov-23 12:01 11-Dec-23 13:00 ATCO, ALTALINK Outage 9L55 (AML 852s Round Hill - 885s McMillan), 885s 902T (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 14.04 Days
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 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 17:01 01-Dec-23 12:00 ALTALINK Outage 658L (649s Chappice Lake - 658AL tap) 658L comp replacement (103-284) 3.79 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 3.42 Days
Daily		  
28-Nov-23 08:00 01-Dec-23 16:00 ATCO TE ATCO Telecom Equipment carrier replacement 3.33 Days
Continuous		  
28-Nov-23 08:30 30-Nov-23 17:00 ATCO Outage 2075s 902T (2075s Newell), 2075s ACF21 (2075s Newell) glycol pump inspection and repair 2.35 Days
Continuous		  
28-Nov-23 13:00 01-Dec-23 10:00 ALTALINK Outage 29s T2 (29s Cascade), 29s 40 (29s Cascade) continue switching from previous 177s switchgear 2.88 Days
Continuous		  
29-Nov-23 07:00 04-Dec-23 18:00 ALTALINK Outage 688L (199s East Airdrie - 688AL tap) building new t-tap 5.46 Days
Continuous		  
29-Nov-23 07:30 30-Nov-23 18:00 ALTALINK Outage 391s T2 (391s Balzac), 391s 33 (391s Balzac) 391s outage to cut over and commission 1.44 Days
Continuous		  
29-Nov-23 08:00 30-Nov-23 17:00 ALTALINK TE 275s Protection & Control (275s Jenner) settings changes to disable FTP 1.38 Days
Daily		  
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 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 08-Dec-23 17:00 ALTALINK TE 199s Protection & Control (199s East Airdrie) upgrade protections and implement new POTT scheme 7.42 Days
Daily		  
01-Dec-23 07:00 08-Dec-23 17:00 ENMAX, ALTALINK TE 653s Protection & Control (653s Summit) update 688L protection 7.42 Days
Continuous		  
01-Dec-23 07:00 08-Dec-23 17:00 ALTALINK TE 199s RTU/SCADA (199s East Airdrie) update SCADA configuration 7.42 Days
Daily		  
01-Dec-23 07:00 08-Dec-23 17:00 ENMAX, ALTALINK TE 653s RTU/SCADA (653s Summit) update SCADA configuration 7.42 Days
Daily		  
01-Dec-23 07:00 01-Dec-23 10:00 ATCO Outage 6L126 (743s Sarah Lake - 515L tap) test operation of 126L1 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 07:30 02-Dec-23 17:30 ALTALINK RB 804L (40s Wetaskiwin - 40s 803L tap), 804L (86s Bigstone - 86s 803L tap), 804L (40s 803L tap - 86s 803L tap) Safety requirement; re 858L GOI 1.42 Days
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 Lethbridge IO 813L (146s MacDonald - 241s Uplands) 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 2 Hours
Daily		  
01-Dec-23 12:00 01-Dec-23 13:00 ATCO TE ATCO Telecom Equipment, 722s RTU/SCADA (722s Crystal Lake), 7L84 (722s Crystal Lake - 749s Flyingshot Lake), 7L39 (722s Crystal Lake - 7LA39 tap), 7L68 (730s Rycroft - 811s Clairmont Lake) outage on Crystal Lake telecom 60 Mins
Continuous		  
01-Dec-23 12:31 01-Dec-23 16:30 ALTALINK Outage 658L (562s Cypress - 658AL tap), 658L (649s Chappice Lake - 658AL tap), 658AL (662s Hilda - 658AL tap), 662s 138CB1 (662s Hilda) close north jumpers at structure 286A 3.98 Hours
Continuous		  
02-Dec-23 07:00 19-Dec-23 17:00 ALTALINK Outage 929L (74S Janet - 287s Hazelwood) component replacements between structures #929L72 - 929L404 17.42 Days
Continuous		  
02-Dec-23 07:30 19-Dec-23 17:30 ALTALINK RB 925L (63s Red Deer - 74s Janet) component replacement (insulators, dampers, spacers, and interphase spacers) scope and broken core repair on 929L structure #72 - 308 17.42 Days
Daily		  
02-Dec-23 08:00 03-Dec-23 18:00 ENMAX Outage 11.82L (SS-11 - SS-14), 11B138-11.82 (SS-11), 14B138-11.82 (SS-14), 14.3TR (SS-14), 14.1TR (SS-14) Surge Arrestor Replacement 14B138-11.82. 1.42 Days
Continuous		  
02-Dec-23 08:00 02-Dec-23 12:00 ENMAX Outage 5.7TR (SS-5) oil sampling MT, TC, check reversing switch 4 Hours
Continuous		  
04-Dec-23 06:30 15-Dec-23 18:30 ALTALINK RB 150L (20s Ghost - 150AL tap), 150L (42s Sarcee - 150AL tap) soil geo tech testing - drilling boreholes, promimity to the line work 11.5 Days
Daily		  
04-Dec-23 06:30 06-Dec-23 17:30 ALTALINK RB 189L (373s Madden - 418L tap), 418L (20s Ghost - 189L tap), 418L (281s Johnson - 189L tap) 918L replacements due to proximity 2.46 Days
Daily		  
04-Dec-23 07:00 08-Dec-23 16:00 ALTALINK TE 368s Protection & Control (368s Burdett) tie in the B87/138B breaker fail initiate to the new 96/79/25SC/352 and 96/79/452 protections 4.38 Days
Continuous		  
04-Dec-23 07:00 09-Dec-23 17:00 EPCOR Outage H723 (EP Hardisty), H722 (EP Hardisty), T2 (EP Hardisty), 72LH8 (EP 803s Lambton - EP Hardisty), H726 (EP Hardisty) Hardisty: TX2 Zone CVT LCR 5.42 Days
Continuous		  
04-Dec-23 07:00 15-Dec-23 17:00 EPCOR Outage CV5 (EP 511s Victoria - 557s Castle Downs), EP 511s Victoria T5 (EP 511s Victoria), EP 511s V2401 (EP 511s Victoria) CV5: annual manhole inspections and maintenance 11.42 Days
Continuous		  
04-Dec-23 07:00 11-Dec-23 17:00 ATCO TE 885s Protection & Control (885s McMillan) 9L89 protection needs to be blocked for work being done on the 9L55 and 902T protection 7.42 Days
Continuous		  
04-Dec-23 07:00 08-Dec-23 17:00 EPCOR Outage T2 (EP Riverview), RW2402 (EP Riverview), RW2403 (EP Riverview) Riverview: TX2 repair w/hitachi 4.42 Days
Continuous		  
04-Dec-23 07:00 08-Dec-23 17:00 ALTALINK Outage 720L (347s AML Fox Creek - 397s Benbow) urgent repairs on structures 29, 86, 92, 92A, 98 4.42 Days
Continuous		  
04-Dec-23 07:00 08-Dec-23 17:00 EPCOR TE Protection & Control (EPCOR Hardisty) Hardisty - TX2 protection blocking for comm fail repair 4.42 Days
Continuous		  
04-Dec-23 07:00 04-Dec-23 17:00 ENMAX RB 2.83L (SS-13 - 2.83L tap), 2.83L (SS-2 - 2.83L tap), 2.83L (SS-5 - 2.83L tap) tree trimming 10 Hours
Daily		  
04-Dec-23 07:00 07-Dec-23 17:00 ALTALINK TE 852s RTU/SCADA (852s Round Hill) update configuration as part of L1 protection upgrades for ATCO 3.42 Days
Daily		  
04-Dec-23 08:00 07-Dec-23 17:00 ALTALINK TE 63s Protection & Control (63s Red Deer) return temporary settings changes on 63s912L B21/L4 line prot back to original settings, perform teleprotection tests between 755s and 63s and complete maintenance 3.38 Days
Continuous		  
04-Dec-23 08:00 04-Dec-23 18:00 ENMAX TE Protection & Control (SS-27) 27 sub 69 kV PT secondary fuse outage, 16.61L protection panel replacement 10 Hours
Continuous		  
04-Dec-23 08:00 04-Dec-23 18:00 ENMAX TE Protection & Control (SS-16) 16 sub 69 kV PT secondary fuse outage, 16.61L protection panel replacement 10 Hours
Continuous		  
04-Dec-23 08:00 04-Dec-23 18:00 ENMAX Outage 15.62L (SS-15 - SS-16), 15B69-15.62 (SS-15), 16B69-15.62 (SS-16) outage required for 16sub 69kV PT sec. fuse outage. 16.61L protection panel replacement 10 Hours
Continuous		  
04-Dec-23 08:00 04-Dec-23 18:00 ENMAX Outage 16.60L (SS-16 - SS-34), 16B69-16.60 (SS-16), 34B69-16.60 (SS-34) outage required for 16sub 69kV PT sec. fuse outage. 16.61L protection panel replacement 10 Hours
Continuous		  
04-Dec-23 08:00 05-Dec-23 16:00 ENMAX Outage 5.1TR (SS-5) relay protection test, 5.1TR MT/LTC temp differential alarm follow up 1.33 Days
Continuous		  
04-Dec-23 08:00 15-Dec-23 16:00 ALTALINK RB 786L (799s Coleman - BCH Natal) tree removals 0-00 to 4-07 11.33 Days
Daily		  
04-Dec-23 08:30 07-Dec-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		  
04-Dec-23 09:00 04-Dec-23 10:00 ATCO TE ATCO Telecom Equipment, 828s RTU/SCADA (828s Sulphur Point) upgrade Rainbow Lake Tower SAR OS
 60 Mins
Continuous		  
04-Dec-23 09:00 07-Dec-23 17:00 ATCO, ALTALINK RB 7L50 (526s Buffalo Creek - 491L tap) 7L50 pole and arm replacement using live line techniques 3.33 Days
Daily		  
04-Dec-23 09:00 04-Dec-23 10:00 ENMAX IO Protection & Control (SS-32) 32 sub SSTR32-1, SSTR32-2 outage, 32 sub 32.2TR 8 kV bus switchgear demolition 60 Mins
Continuous		  
04-Dec-23 09:30 04-Dec-23 17:30 ALTALINK IO 912L (63s Red Deer - 766s Nevis) 766S Nevis Rebuild Project 8 Hours
Daily		  
04-Dec-23 09:30 05-Dec-23 18:00 ALTALINK Outage 391s T1 (391s Balzac), 391s 30 (391s Balzac) cut over and commission CT circuits, 391s30 (752) breaker status, 752 Breaker Failure and T1 protection operation initiates to new DDR being installed 1.35 Days
Continuous		  
04-Dec-23 09:30 08-Dec-23 16:30 ATCO, PWLP TE 973s Protection & Control (973s Lanes Lake) complete commissioning with customer 240 kV breaker (52-240) 4.29 Days
Continuous		  
04-Dec-23 10:00 04-Dec-23 17:00 ATCO Outage 9L20 (755s Cordel - 766s Nevis), 9L912 (63s Red Deer - 766s Nevis), 766s 901T (766s Nevis) 766S Nevis Rebuild Project - Hot Line crew disconnect 9L20/9L912 bypass, close open Jumper J1 and J2, Energize 240kV bus including new 903T and 144kV bus 7 Hours
Continuous		  
04-Dec-23 10:00 04-Dec-23 17:00 ALTALINK IO 9L20 (A766s-A755s) Atco - Info 766S Nevis Rebuild Project 7 Hours
Daily		  
04-Dec-23 10:00 04-Dec-23 11:00 ATCO TE ATCO Telecom Equipment, 930s RTU/SCADA (930s Arcenciel), 791s RTU/SCADA (791s Rainbow Lake) upgrade Rainbow lake sub and Arcenciel sub SAR OS 60 Mins
Continuous		  
04-Dec-23 10:00 08-Dec-23 16:00 ATCO Outage 7L46 (813s Little Smoky - 845s Big Mountain), 845s 709 (845s Big Mountain), 845s 708 (845s Big Mountain), 845S 7L46D2 (845s Big Mountain) replace foundation and 7L46D2 switch due to foundation heaving/ switch not operating correctly 4.25 Days
Continuous		  
04-Dec-23 10:00 21-Dec-23 18:00 ALTALINK Outage 174L (197s Bardo - 395s North Holden), 197s Protection & Control (197s Bardo), 395s Protection & Control (395s North Holden) At 197s replace 174LE A21/L2 protection with A/21/79/25SC/L2. Add new B21/L2 line protection. Salvage 279 & 279-3 protections. At 395s update settings and CT ratios on A21/174L, B21/174L, & 96/25SC/79/152. 17.33 Days
Continuous		  
04-Dec-23 10:00 15-Dec-23 17:00 ATCO TE 932s Protection & Control (932s Pemukan) PRC-005 relay testing for 900BS1, 900BS2, 9L46 11.29 Days
Continuous		  
04-Dec-23 10:00 05-Dec-23 17:00 ALTALINK TE 102s Protection & Control (102s Langdon) maintenance on non redundant breaker fail protections 31 Hours
Daily		  
04-Dec-23 10:00 04-Dec-23 17:00 ATCO TE 917s Protection & Control (917s Horse River) perform relay testing on 87T/701T relay at 917S Horse River 7 Hours
Continuous		  
04-Dec-23 10:00 09-Dec-23 14:00 ALTALINK, ATCO Outage 852s 152 (852s Round Hill), 852s 252 (852s Round Hill), 1085L (852s Round Hill - 885s McMillan) updates to L1 protections to accommodate ATCO remote end updates 5.17 Days
Continuous		  
04-Dec-23 11:00 21-Dec-23 17:00 ALTALINK TE 197s Protection & Control (197s Bardo) settings changes on 197s A21/L1, B21/L1, A21/79/L3, & B21/MET/L3 protections 17.25 Days
Daily		  
04-Dec-23 11:00 21-Dec-23 17:00 ALTALINK TE 197s RTU/SCADA (197s Bardo) update configuration for 197s L2 protection replacements, update recloser naming on L2, L2, & L3 17.25 Days
Daily		  
04-Dec-23 12:30 07-Dec-23 16:30 ALTALINK RB 501CL (983s Cadomin - 501L tap), 501L (426s Coalspur - 501CL tap) component replacement's 501L (str's range 1 -281) 3.17 Days
Continuous		  
04-Dec-23 13:00 04-Dec-23 17:00 ALTALINK Outage 658L (562s Cypress - 658AL tap), 658L (649s Chappice Lake - 658AL tap) open 658L286JN jumpers at structure 286A. 4 Hours
Daily		  
04-Dec-23 13:00 15-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 11.15 Days
Continuous		  
04-Dec-23 17:01 15-Dec-23 16:00 ALTALINK RB 674L (244s Bowmanton - 649s Chappice Lake), 658L (649s Chappice Lake - 658AL tap), 658AL (662s Hilda - 658AL tap) component replacement str 103-284 10.96 Days
Daily		  
04-Dec-23 17:01 15-Dec-23 12:30 ALTALINK Outage 658L (562s Cypress - 658AL tap) 658L comp replacement (298-331) 10.81 Days
Continuous		  
05-Dec-23 07:00 13-Dec-23 18:00 ALTALINK Outage 1047L (574s Nilrem - 650s Hansman Lake) replace dampers 8.46 Days
Continuous		  
05-Dec-23 07:00 13-Dec-23 18:00 ALTALINK RB 953L (574s Nilrem - 755s Cordel) replace dampers on 1047L structures 1-64 8.46 Days
Continuous		  
05-Dec-23 07:00 13-Dec-23 18:00 ALTALINK RB 948L (650s Hansman Lake - 863s Paintearth) replace dampers on 1047L structures 1-64 8.46 Days
Continuous		  
05-Dec-23 07:00 13-Dec-23 18:00 ATCO IO 9L953 (574s Nilrem - 755s Cordel) AltaLink request - replace dampers on 1047L structures 1-64 8.46 Days
Continuous		  
05-Dec-23 07:00 13-Dec-23 18:00 ATCO IO 9L948 (650s Hansman Lake - 863s Paintearth) AltaLink request - replace dampers on 1047L structures 1-64 8.46 Days
Continuous		  
05-Dec-23 07:00 08-Dec-23 17:00 EPCOR Outage 72RG1 (Garneau - Rossdale) 72RG1: Metering Upgrade Cutovers 3.42 Days
Continuous		  
05-Dec-23 07:00 06-Dec-23 18:00 ALTALINK Outage 704L (51s Wainwright - 478s Tucuman) replace rotten structure 275 1.46 Days
Continuous		  
05-Dec-23 07:30 09-Dec-23 17:30 ENMAX, ALTALINK RB 932L (74s Janet - SS-162) component replacement (insulators, dampers, spacers, and interphase spacers) scope on 929L from structure #341 - 404 4.42 Days
Daily		  
05-Dec-23 08:00 05-Dec-23 12:00 ALTALINK Outage 612L (336s Fincastle - 368s Burdett), 368s 612 (368s Burdett), 336s 612 (336s Fincastle) integrate the new 368s722X breaker fail trip into 368s612 4 Hours
Daily		  
05-Dec-23 08:00 06-Dec-23 16:00 ALTALINK TE 15s Protection & Control (15s Fort Macleod) firmware upgrade on A87/138B1 1.33 Days
Continuous		  
05-Dec-23 08:00 05-Dec-23 12:00 ALTALINK Outage 13L (65s High River - 392s Black Diamond) high load move 4 Hours
Daily		  
05-Dec-23 08:00 07-Dec-23 16:00 ATCO TE 2075s RTU/SCADA (2075s Newell) update RTU configuration 2.33 Days
Continuous		  
05-Dec-23 08:00 05-Dec-23 12:00 ALTALINK Outage 368s C2 (368s Burdett) integrate the BF trip from the cap 2 protection to 11/352 4 Hours
Daily		  
05-Dec-23 08:00 05-Dec-23 15:00 ALTALINK TE AltaLink Telecom Equipment, 216s RTU/SCADA (216s Knightsbridge), 337s RTU/SCADA (337s Canada Liquidair) troubleshoot radio affecting 337s and 216s 7 Hours
Daily		  
05-Dec-23 08:00 07-Dec-23 17:00 ATCO TE 2029s RTU/SCADA (2029s Heathfield) update RTU configuration 2.38 Days
Continuous		  
05-Dec-23 08:00 05-Dec-23 17:00 ALTALINK TE 92s RTU/SCADA (92s Viscount) investigate loss of tap changer control on T1 9 Hours
Daily		  
05-Dec-23 08:00 05-Dec-23 17:00 ALTALINK TE 523s Protection & Control (523s Bullshead) perform PRC relay maintenance 9 Hours
Daily		  
05-Dec-23 08:00 05-Dec-23 16:00 ENMAX IO Protection & Control (SS-35) 35 sub SST-1, SST-2 outage. automatic transfer switch maintenance - 35-ATS-35 8 Hours
Continuous		  
05-Dec-23 08:00 08-Dec-23 16:00 ENMAX Outage 8.5TR (SS-8) 8.5TR - repair leak on piping between main tank and radiators 3.33 Days
Continuous		  
05-Dec-23 08:00 07-Dec-23 16:00 ALTALINK TE 337s RTU/SCADA (337s Canada Liquidair) replace failed HMI 2.33 Days
Daily		  
05-Dec-23 08:30 05-Dec-23 15:00 ATCO TE 706s Protection & Control (706s Irish Creek) BF/701 - relay will be isolated for the duration of the work 6.5 Hours
Continuous		  
05-Dec-23 09:00 05-Dec-23 10:00 ATCO TE ATCO Telecom Equipment Lanfine SAR NET 2 OS upgrade 60 Mins
Continuous		  
05-Dec-23 09:00 05-Dec-23 17:00 ATCO TE ATCO Telecom Equipment Low Bes Firewall Install, Total outage to IP Network access traffic for 90 minutes.
Includes Coyote Lake SCADA visibility		 8 Hours
Continuous		  
05-Dec-23 10:00 05-Dec-23 17:00 ATCO TE 917s Protection & Control (917s Horse River) perform relay testing on 51/701T relay at 917S Horse River 7 Hours
Continuous		  
05-Dec-23 10:00 15-Dec-23 16:00 ATCO TE 826s RTU/SCADA (826s Marguerite Lake), 826s Protection & Control (826s Marguerite Lake) general wiring for dissolved gas analysis (DGA) installation on 826S 901T and 826S 902T 10.25 Days
Continuous		  
05-Dec-23 11:00 05-Dec-23 13:00 ALTALINK, Lethbridge Outage 824L (593s Lakeview - 618s Riverbend), 593s 824L (593s Lakeview), 618s 824 (618s Riverbend) open end to test 593s 823L breaker fail trip 2 Hours
Continuous		  
05-Dec-23 13:00 07-Dec-23 17:00 ALTALINK TE 498s Protection & Control (498s Tilley) perform PRC relay maintenance 2.17 Days
Daily		  
05-Dec-23 13:00 05-Dec-23 13:30 ALTALINK Outage 1212L (12s Heartland - 89s Ellerslie), 89s 1952 (89s Ellerslie), 89s 1852 (89s Ellerslie), 12s 852 (12s Heartland), 12s 952 (12s Heartland) energization of the urgent replacement of 89s1852. 30 Mins
Daily		  
06-Dec-23 07:00 10-Dec-23 18:00 ALTALINK Outage 735L (171s Redwater - 233s Beamer), 171s 735X (171s Redwater), 233s 735N (233s Beamer) replace cross arms with horizontal line posts 4.46 Days
Continuous		  
06-Dec-23 07:00 10-Dec-23 18:00 ALTALINK RB 1061L (12s Heartland - 681s Bannerman) work on 735L 138 kV crossing between structures 1061L91 and 1061L92 4.46 Days
Continuous		  
06-Dec-23 07:00 10-Dec-23 18:00 ALTALINK RB 1054L (12s Heartland - 13s Deerland) work on 735L 138 kV crossing between structures 1054L34 and 1054L35 4.46 Days
Continuous		  
06-Dec-23 07:00 10-Dec-23 18:00 ATCO RB 13L50 (2029s Heathfield - 2075s Newell) AltaLink work on 735L - close proximity 4.46 Days
Continuous		  
06-Dec-23 07:30 07-Dec-23 17:30 ALTALINK RB 964AL (1024s Granlea - 964L tap), 964L (244s Bowmanton - 964L tap), 964L (251s Whitla - 964L tap) work between structures #964L283 - 285 for site prep work and to install the new structures 965L284 and 964L284 1.42 Days
Daily		  
06-Dec-23 08:00 06-Dec-23 18:00 Syncrude TE ICCP Server Outage SCADA - Server Update
Whole Syncrude Visibility Loss		 10 Hours
Daily		  
06-Dec-23 08:00 06-Dec-23 12:00 ALTALINK Outage 368s 722X (368s Burdett), 722L (107s Westfield - 368s Burdett) new 368s612 breaker fail trip into 368s722X. 4 Hours
Daily		  
06-Dec-23 08:00 06-Dec-23 17:00 Lethbridge, ALTALINK Outage 146s 667 (146s Macdonald), 146s 813L (146s Macdonald), 667L (146s MacDonald - 370s North Lethbridge), 813L (146s MacDonald - 241s Uplands), 146s T1 (146s Macdonald) Remove 138Kv PT Buss 1 Secondaries to old Control Building 9 Hours
Continuous		  
06-Dec-23 08:00 07-Dec-23 14:00 ALTALINK Outage 217s 138kV Bus (217s North Red Deer), 778L (87s Gaetz - 217s North Red Deer), 444L (198s Blackfalds - 217s North Red Deer) 14-81-2 Circuit Switcher Maintenance 30 Hours
Continuous		  
06-Dec-23 08:00 07-Dec-23 16:00 ALTALINK, REDDEER Outage 444L (198s Blackfalds - 217s North Red Deer), 778L (87s Gaetz - 217s North Red Deer), 217s T2 (217s North Red Deer), 217s 14-81-2 (217s North Red Deer) 14-81-2 circuit switcher maintenance 1.33 Days
Continuous		  
06-Dec-23 08:00 06-Dec-23 18:00 ALTALINK Outage 38s T2 (38s East Edmonton) 25 kV bus interphase spacer installation 10 Hours
Daily		  
06-Dec-23 08:00 07-Dec-23 17:00 ALTALINK TE 65s Protection & Control (65s High River) communication setting change required for new RuggedCom RS-416 1.38 Days
Continuous		  
06-Dec-23 08:00 07-Dec-23 17:00 ALTALINK TE 65s RTU/SCADA (65s High River) perform RTU configuration uploads 1.38 Days
Continuous		  
06-Dec-23 08:00 06-Dec-23 18:00 ALTALINK TE AltaLink Telecom Equipment MPLS upgrade 10 Hours
Daily		  
06-Dec-23 08:00 06-Dec-23 17:00 ALTALINK TE 63s Protection & Control (63s Red Deer) perform PRC relay maintenance 9 Hours
Daily		  
06-Dec-23 08:00 06-Dec-23 17:00 ALTALINK TE 74s Protection & Control (74s Janet) perform PRC relay maintenance 9 Hours
Daily		  
06-Dec-23 08:00 06-Dec-23 17:00 ALTALINK TE AltaLink Telecom Equipment, 359s RTU/SCADA (359s Esso West Pembina) upgrade 359s MPLS node 9 Hours
Daily		  
06-Dec-23 08:00 11-Dec-23 12:00 ATCO TE 885s Protection & Control (885s McMillan) rewire 902 trip and close coming from the old 21A & 21B 9L89 protection 5.17 Days
Continuous		  
06-Dec-23 09:00 06-Dec-23 10:00 ATCO TE ATCO Telecom Equipment APPROX 30 MIN OUTAGE TO THE FOLLOWING TRAFFIC:
RASCP042 / 12L41 LTO RAS B HEATHFIELD / SUNNYBROOK (AML)		 60 Mins
Continuous		  
06-Dec-23 09:00 06-Dec-23 18:00 SUNCOR TE SUNCOR ICCP Outage annual UPS maintenance for PABX fiber room at main admin 9 Hours
Continuous		  
06-Dec-23 10:00 07-Dec-23 17:00 ATCO TE 767s Protection & Control (767s Oyen) PRC-005 - microprocessor relay testing - 85A/7L760 at 767s
 31 Hours
Continuous		  
06-Dec-23 12:00 06-Dec-23 17:00 ATCO TE 917s Protection & Control (917s Horse River) test 50BF/701 relay at 917s Horse River 5 Hours
Continuous		  
06-Dec-23 13:00 06-Dec-23 13:30 ENMAX IO Protection & Control (SS-22) 22 sub station service secondary outage, 22 Sub DC system emergency connection project 30 Mins
Continuous		  
07-Dec-23 07:00 10-Dec-23 18:00 ALTALINK Outage 526L (519L tap - 526AL tap) Repair structure 327 and 328 from frost jacking. 3.46 Days
Continuous		  
07-Dec-23 07:00 10-Dec-23 18:00 ATCO RB 6L126 (743s Sarah Lake - 515L tap) Altalink requested reclosing off on 6L126 3.46 Days
Continuous		  
07-Dec-23 07:00 12-Dec-23 17:00 ALTALINK Outage 927L (102s Langdon - 356s Milo) Line inspection , Multiple locations between 102s and 356s, See also SAP: 287331 924L RB required due to proximity. 5.42 Days
Continuous		  
07-Dec-23 07:00 12-Dec-23 17:00 ALTALINK RB 924L (102s Langdon - 356s Milo) working in proximity to 927L 5.42 Days
Daily		  
07-Dec-23 08:00 08-Dec-23 17:00 ATCO TE 2075s RTU/SCADA (2075s Newell) settings updates 1.38 Days
Continuous		  
07-Dec-23 08:00 07-Dec-23 18:00 ALTALINK Outage 38s T3 (38s East Edmonton) 25 kV bus interphase spacer installation 10 Hours
Daily		  
07-Dec-23 08:00 07-Dec-23 17:00 ALTALINK TE 287s Protection & Control (287s Hazelwood) perform PRC relay maintenance 9 Hours
Daily		  
07-Dec-23 08:00 07-Dec-23 17:00 ALTALINK TE 74s Protection & Control (74s Janet) perform PRC relay maintenance 9 Hours
Daily		  
07-Dec-23 08:00 07-Dec-23 17:00 ALTALINK TE AltaLink Telecom Equipment, 454s RTU/SCADA (454s Buck Lake) repair radio between 9495R - 454s 9 Hours
Daily		  
07-Dec-23 08:00 07-Dec-23 17:00 Lethbridge TE 593s Protection & Control (593s Lakeview) 593s/824L - protection work
 9 Hours
Continuous		  
07-Dec-23 08:00 11-Dec-23 17:00 SUNCOR Outage 635EDD-1001 635PT-1038 (635EDD-1001) FH-Transforemer downstream maintenance work. Will operate 144kV breakers 635-752-612/613 feeding this transformer during the transformer outage and restoration. 4.38 Days
Continuous		  
07-Dec-23 08:00 07-Dec-23 16:00 ENMAX IO Protection & Control (SS-5) 5 sub SST-5, ATS 5 outage, automatic transfer switch maintenance - 05-ATS-05 8 Hours
Continuous		  
07-Dec-23 09:00 07-Dec-23 09:30 ATCO, ALTALINK TE ATCO Telecom Equipment, 7L128 (802s Michichi Creek - 7LA128 tap), 7L128 (963s Coyote Lake - 7LA128 tap), APS# 200 901T-801S Anderson Overload Mitigation, APS# 202 7L171-804S Overload Mitigation, APS# 134 Central East Transfer Out Overload Mitigation Scheme 804s tower SAR OS upgrade 30 Mins
Continuous		  
07-Dec-23 09:00 12-Dec-23 17:00 ALTALINK TE 395s RTU/SCADA (395s North Holden) update configuration for 395s479X equipment replacement 5.33 Days
Daily		  
07-Dec-23 09:00 07-Dec-23 16:00 ALTALINK Outage 368s T1 (368s Burdett) replace fuses and holders 7 Hours
Daily		  
07-Dec-23 09:00 07-Dec-23 17:00 ATCO TE ATCO Telecom Equipment, 768s RTU/SCADA (768s Rowley) low Bes firewall install 8 Hours
Continuous		  
07-Dec-23 09:00 07-Dec-23 17:00 ALTALINK TE 234s RTU/SCADA (234s Fort Assiniboine) investigate 308L recloser remote control to ACC 8 Hours
Daily		  
08-Dec-23 07:00 10-Dec-23 17:00 ALTALINK Outage 964L (244s Bowmanton - 964L tap), 964L (251s Whitla - 964L tap), 244s 252 (244s Bowmanton), 244s 352 (244s Bowmanton), 251s 252 (251s Whitla), 251s 352 (251s Whitla), 964AL (1024s Granlea - 964L tap) tying in the new 326s Murray Lake Substation 2.42 Days
Continuous		  
08-Dec-23 07:00 18-Dec-23 17:00 ALTALINK TE 251s RTU/SCADA (251s Whitla) updating SCADA configuration for new line number and RAS change 10.42 Days
Daily		  
08-Dec-23 07:00 18-Dec-23 17:00 ALTALINK TE AltaLink RTU/SCADA (AltaLink) updating SCADA configuration for new line number and RAS change. Temp. loss of visibility for approx. 10 min. during re-boots. 10.42 Days
Daily		  
08-Dec-23 07:00 18-Dec-23 17:00 ALTALINK TE 244s RTU/SCADA (244s Bowmanton) updating SCADA configuration for new line number and RAS change 10.42 Days
Daily		  
08-Dec-23 07:00 10-Dec-23 17:00 ATCO, FMGW Outage 1024s PT-6001 (1024s Granlea), 1024s PT-6002 (1024s Granlea), 1024s PS-6005 (1024s Granlea), 1024s PS-6006 (1024s Granlea) maintenance 2.42 Days
Continuous		  
08-Dec-23 07:00 10-Dec-23 17:00 ATCO, FMGW IO 1024s 952-600001 (1024s Granlea) Altalink requires an outage to 964L/964AL (1024s) to tie in the new 326s Murray Lake Substation 2.42 Days
Continuous		  
08-Dec-23 07:30 08-Dec-23 17:30 ALTALINK RB 924L (102s Langdon - 356s Milo) proximity to 927L work 10 Hours
Daily		  
08-Dec-23 07:30 08-Dec-23 17:30 ALTALINK Outage 927L (102s Langdon - 356s Milo) interphase spacer needs replacing due to damage 10 Hours
Daily		  
08-Dec-23 08:00 08-Dec-23 16:00 ALTALINK Outage 217s 138kV Bus (217s North Red Deer), 425L (194s South Red Deer - 217s North Red Deer), 768L (209s Timberlands - 217s North Red Deer), 217s T7 (217s North Red Deer) 14-81-1 Circuit Switcher Maintenance 8 Hours
Continuous		  
08-Dec-23 08:00 08-Dec-23 16:00 REDDEER IO 217s T1 (217s North Red Deer), 217s 14-81-1 (217s North Red Deer) 14-81-1 circuit switcher maintenance 8 Hours
Continuous		  
08-Dec-23 08:00 18-Dec-23 18:00 Syncrude Outage 14 (Aurora) breaker 52-14 replacement 10.42 Days
Continuous		  
08-Dec-23 08:00 10-Dec-23 16:00 ATCO, ALTALINK, FMGW TE 1024s RTU/SCADA (1024s Granlea) 1024s RTU work 2.33 Days
Continuous		  
08-Dec-23 08:00 09-Dec-23 16:00 ENMAX TE RTU/SCADA (SS-27) 27 sub network security upgrade 1.33 Days
Daily		  
08-Dec-23 10:00 08-Dec-23 13:00 ALTALINK TE 535s RTU/SCADA (535s Joffre) add new battery electrolyte and battery bank alarms 3 Hours
Daily		  

Prepared On:   2023-11-29   15:47:03

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