Alberta Electric System Operator
System Co-ordination Plan
2024-09-26 to 2024-10-04
Approved Outages

Previous Version
Download CSV

From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
05-Oct-18 08:00 30-Jun-26 16:00 EPCOR IO C2 (Rossdale) forced outage 2,825.33 Days
Continuous		  
24-Oct-18 01:13 30-Jun-26 16:00 EPCOR IO C1 (Rossdale) forced outage 2,806.62 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		  
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		  
07-Mar-24 06:30 31-Oct-24 16:00 ALTALINK Outage 477s T1 (477s Amoco West Pembina) disconnect T1 and VR1 permanently, draining oil, release 477s T1, VR1, & 4.16kV equipment for salvage and RSLD2 then RSLD3 to be implemented at end of outage 238.35 Days
Continuous		  
02-Apr-24 07:00 07-Oct-24 17:00 EPCOR Outage T1 (Garneau), GT1 (Garneau) Garneau S/S Tx1 bay outage 188.42 Days
Continuous		  
23-Apr-24 08:00 10-Nov-24 16:00 ENMAX Outage 41.2TR (SS-41) forced outage - differential protection trip 201.38 Days
Continuous		  
06-May-24 07:00 08-Nov-24 17:00 EPCOR Outage EP 511s Victoria T1 (EP 511s Victoria) Victoria: TX1 LCR, civil, demo, and construction 186.46 Days
Continuous		  
07-May-24 07:00 31-Dec-24 17:00 EPCOR TE 330p Protection & Control (330p Genesee) 138/500kV protection blocking for Repower Project Cut-Overs 238.46 Days
Continuous		  
20-Jun-24 08:00 07-Oct-24 16:00 Syncrude Outage 1315 (Syncrude Mildred Lake) allow power distribution time to replace the 72 kV cables from plant 31 to C05 substation 109.33 Days
Continuous		  
11-Jul-24 00:00 31-Oct-24 17:00 ALTALINK Outage 74s C4 (74s Janet) forced outage 112.71 Days
Continuous		  
16-Jul-24 12:00 26-Nov-24 18:00 ALTALINK Outage 256s C1 (256s Harmattan) 256s C1 will be out of service until repairs are completed 133.29 Days
Continuous		  
21-Jul-24 16:00 15-Oct-24 07:00 ALTALINK, TRANSALTA Outage 229s T1 (229s Glenwood), 229s T2 (229s Glenwood) station refurbishment 85.63 Days
Continuous		  
22-Jul-24 07:00 25-Oct-24 17:00 EPCOR TE 805s Protection & Control (805s Jasper), 805s RTU/SCADA (805s Jasper) protection blocking for P&C maintenance 95.42 Days
Continuous		  
26-Jul-24 10:00 31-Dec-24 16:00 ATCO Outage 826s 504R (826s Marguerite Lake) emergency removal to replace failed 502R @834S 158.29 Days
Continuous		  
05-Aug-24 08:00 31-Oct-24 17:00 ALTALINK TE 523s RTU/SCADA (523s Bullshead) update and addition of new SCADA alarms/controls 87.38 Days
Daily		  
10-Aug-24 07:00 07-Nov-24 16:00 ENMAX Outage 2.82L (SS-2 - SS-5), 5B138-2.82 (SS-5), 2MD138-2.82 (SS-2) modification work for 2.82/2.83 Victoria park green line relocation - install future str 24 (2.83L riser) and future str 26 (2.82L riser) 89.42 Days
Continuous		  
12-Aug-24 08:00 14-Feb-25 16:00 ENMAX Outage 28.1TR (SS-28) 28.1TR transformer replacement 186.38 Days
Continuous		  
19-Aug-24 07:00 28-Oct-24 08:00 ALTALINK Outage 19s 240kV Bus A (19S Wabamun), 19s 240kV Transfer Bus (19S Wabamun) issue salvage clearance on 19s 240kV ‘A’ & Transfer Busses. 70.04 Days
Continuous		  
23-Aug-24 13:45 30-Apr-25 14:29 ALTALINK Outage 157s C1 (157s Lac La Biche) forced outage 250.03 Days
Continuous		  
26-Aug-24 08:00 04-Oct-24 16:00 ENMAX Outage 8B138-5A0 (SS-8), 8.3TR (SS-8), 8.4TR (SS-8), 8B138-4A0 (SS-8), 4A02 (SS-8), 4A01 (SS-8), 5A1 (SS-8), 4A10 (SS-8) prot repl - Z54 39.33 Days
Continuous		  
27-Aug-24 10:00 12-Dec-24 12:00 ALTALINK IO 244s 17 (244s Bowmanton) construction of new cap C1. 107.13 Days
Continuous		  
27-Aug-24 10:00 12-Dec-24 12:00 ALTALINK IO 244s 25 (244s Bowmanton) construction of new cap C2. 107.13 Days
Continuous		  
27-Aug-24 10:00 16-Dec-24 12:00 ALTALINK IO 244s 24 (244s Bowmanton) construction of new cap C3 111.13 Days
Continuous		  
29-Aug-24 11:16 31-Oct-24 00:00 EPCOR Outage EP 805s J2408 (EP 805s Jasper), 805s C1 (805s Jasper) Forced outage. 62.53 Days
Continuous		  
03-Sep-24 07:00 11-Oct-24 17:00 ALTALINK TE 171s RTU/SCADA (171s Redwater) update config. supervisory in local control 38.42 Days
Daily		  
04-Sep-24 07:00 27-Sep-24 17:00 ALTALINK TE 38s RTU/SCADA (38s East Edmonton) cutover to new SCADA system 23.42 Days
Daily		  
11-Sep-24 18:00 21-Oct-24 07:00 ALTALINK Outage 344s T2 (344s Warner) salvaging T2 and associated equipment and installing a new T1, breaker and switches 39.54 Days
Continuous		  
13-Sep-24 07:00 27-Sep-24 18:00 ALTALINK RB 848AL (531s Shell Schrader Creek - 848L tap), 848L (17s Benalto - 848AL tap), 848L (378s Shell Caroline - 848AL tap) volker steven will be removing and replacing a bridge that runs parallel to 848L 71-72 14.46 Days
Daily		  
16-Sep-24 07:00 27-Sep-24 17:00 ALTALINK TE 746s Protection & Control (746s Sherwood Park), 171s Protection & Control (171s Redwater), 38s Protection & Control (38s East Edmonton) affects Channel 3 1201L ILRAS scheme, RAS scheme is not being used 11.42 Days
Continuous		  
16-Sep-24 07:00 15-Nov-24 17:00 EPCOR Outage 557s T1 (557s Castle Downs) S/S Tx1 outage for secondary duct bank modification 60.46 Days
Continuous		  
16-Sep-24 11:30 04-Nov-24 17:30 ATCO TE 905s Protection & Control (905s Meikle), 905s RTU/SCADA (905s Meikle) SCADA upgrade, periods of loss of visibility 49.29 Days
Continuous		  
17-Sep-24 13:00 26-Sep-24 12:00 ATCO Outage 6L11 (739s Edith Lake - 854s Swan Dive), 739s 602 (739s Edith Lake), 854S 601TD (854s Swan Dive) changing out 6L11 structures. 8.96 Days
Continuous		  
18-Sep-24 07:00 27-Sep-24 17:00 EPCOR Outage 72MG16 (Garneau - Meadowlark), 72PM25 (Poundmaker - Meadowlark), T3 (Meadowlark), M723 (Meadowlark), M724 (Meadowlark), M725 (Meadowlark), M726 (Meadowlark) TX3 doble and disconnect switch maintenance 9.42 Days
Continuous		  
21-Sep-24 07:00 27-Sep-24 17:00 ALTALINK, AESO-SC TE 746s RTU/SCADA (746s Sherwood Park), RAS modify 1201L ILRAS local SCADA controls/ alarms 6.42 Days
Daily		  
23-Sep-24 07:00 27-Sep-24 17:00 EPCOR Outage 72LS24 (EP 803s Lambton - Strathcona), S724 (Strathcona) pole replacement 4.42 Days
Continuous		  
23-Sep-24 07:00 29-Sep-24 17:00 ALTALINK Outage 850L (525s Carseland - 678s Okotoks), 525s 850N (525s Carseland), 678s 850 (678s Okotoks) fix the steel core on 1201L span 6.42 Days
Continuous		  
23-Sep-24 07:00 05-Oct-24 17:00 EPCOR Outage 72VN21 (EP 511s Victoria - Namao), N725 (Namao) transfer station grounding mitigation project 12.42 Days
Continuous		  
23-Sep-24 07:00 26-Sep-24 17:00 ALTALINK TE 525s RTU/SCADA (525s Carseland) RTU configuration 3.42 Days
Daily		  
23-Sep-24 07:00 26-Sep-24 17:00 ALTALINK TE 520s Protection & Control (520s Bennett) relay maintenance 3.42 Days
Daily		  
23-Sep-24 07:00 28-Sep-24 17:00 EPCOR Outage 72CK12 (987s Clover Bar - Kennedale), T2 (Kennedale), K723 (Kennedale), K722 (Kennedale), KAB2 (Kennedale) doble and disconnect, breaker and P&C maintenance 5.42 Days
Continuous		  
23-Sep-24 07:15 27-Sep-24 17:45 ALTALINK Outage 919L (77s Sagitawah - 310p Sundance), 310p 452 (310p Sundance), 310p 552 (310p Sundance) clearance issue and breaker replacement 4.44 Days
Continuous		  
23-Sep-24 07:30 27-Sep-24 18:00 ALTALINK Outage 535s T3 (535s Joffre) migrate protections, status, controls, metering and remote access to new RTU and LAN and add protections 4.44 Days
Continuous		  
23-Sep-24 08:00 04-Oct-24 18:00 ALTALINK, BCH, AESO-SC Outage 1201L (520s Bennett - BCH Cranbrook), 5D25 (BCH Cranbrook), 520S-Pseudo (520s Bennett) maintenance 11.42 Days
Continuous		 AB-BC
23-Sep-24 08:00 04-Oct-24 18:00 ALTALINK Outage 887L (48s Pocaterra - 978s BCH Britt Creek) due to 1201L as per AESO Rule 11.42 Days
Continuous		 AB-BC
23-Sep-24 08:00 04-Oct-24 18:00 ALTALINK, BCH Outage 786L (799s Coleman - BCH Natal), 1CB2 (BCH Natal) due to 1201L as per AESO Rule 11.42 Days
Daily		 AB-BC
23-Sep-24 08:00 04-Oct-24 16:00 ATCO, SHELL Outage 402s 701T (402s Scotford Expansion 1) facilitate a repair on 484 switchgear “A” bus 11.33 Days
Continuous		  
23-Sep-24 08:00 27-Sep-24 17:00 ALTALINK TE 535s RTU/SCADA (535s Joffre) download new configurations and migrating, commissioning of T3 protection, tap changer, alarms, controls, metering 4.38 Days
Continuous		  
23-Sep-24 08:00 15-Oct-24 16:00 ENMAX Outage 162B138-RB85 (SS-162) breaker replacement 22.33 Days
Continuous		  
23-Sep-24 08:00 26-Sep-24 16:00 ALTALINK, ATCO TE AltaLink Telecom Equipment, AltaLink RTU/SCADA (AltaLink), 806s Oldman River to swap out the UPS 3.33 Days
Continuous		  
23-Sep-24 08:00 02-Oct-24 17:00 ALTALINK Outage 77s 14 (77s Sagitawah) new breaker and foundation install 9.38 Days
Continuous		  
23-Sep-24 08:00 26-Sep-24 17:00 ALTALINK TE 312s Protection & Control (312s Fidler) relay outage to install temp settings 3.38 Days
Continuous		  
23-Sep-24 08:00 26-Sep-24 17:00 ALTALINK TE AltaLink Telecom Equipment relay outage to install temp settings 3.38 Days
Continuous		  
23-Sep-24 08:00 26-Sep-24 17:00 ALTALINK, ATCO TE AltaLink Telecom Equipment, 806s Oldman River ATCO is replacing their UPS system which powers our equipment on site 3.38 Days
Continuous		  
23-Sep-24 08:00 26-Sep-24 18:00 ALTALINK TE 525s Protection & Control (525s Carseland) protection outage to update IP address 3.42 Days
Daily		  
23-Sep-24 08:00 26-Sep-24 17:00 ALTALINK, WINDYPWPL TE 112s Protection & Control (112s Windy Point) relay outage to install temp settings 3.38 Days
Continuous		  
23-Sep-24 08:00 02-Oct-24 17:00 ALTALINK TE 77s RTU/SCADA (77s Sagitawah) RTU database update 9.38 Days
Daily		  
23-Sep-24 08:00 26-Sep-24 16:00 ENMAX Outage 2.3TR (SS-2) relay protection test , check reversing switch 3.33 Days
Continuous		  
23-Sep-24 08:00 26-Sep-24 17:30 ALTALINK TE 244s RTU/SCADA (244s Bowmanton) update RTU configuration for voltage control project 3.4 Days
Daily		  
23-Sep-24 08:00 18-Oct-24 17:00 ALTALINK, TRANSALTA TE 229s RTU/SCADA (229s Glenwood) update and test new alarm points and controls for protection upgrades for transformer replacement project 25.38 Days
Daily		  
23-Sep-24 08:30 03-Oct-24 17:30 ALTALINK, AESO-SC Outage 520s T1 (520s Bennett), 520s 552 (520s Bennett), 520s R7 (520s Bennett), 520s 1352 (520s Bennett), 520s 12 (520s Bennett), 520s 13 (520s Bennett), 520s 1789 (520s Bennett), 102S-Pseudo (520s Bennett), 520S-Pseudo (520s Bennett) maintenance 10.38 Days
Daily		 AB-BC
23-Sep-24 08:30 08-Oct-24 17:30 ATCO Outage 715s 703T (715s Leming Lake), 715s 705 (715s Leming Lake) 703T and tap changer and breaker maintenance 15.38 Days
Continuous		  
23-Sep-24 09:00 04-Oct-24 17:00 BHE Canada Outage MATL (120s Picture Butte - Montana) align with 1201L outage 11.33 Days
Continuous		 AB-MATL
23-Sep-24 09:00 04-Oct-24 17:00 AESO Outage Path 1 (AIES Islanding) 5L94 replace insulators & spacers 11.33 Days
Continuous		 AB-BC
23-Sep-24 09:00 03-Oct-24 14:00 ATCO Outage ATC 803s 701T (ATC 803s Bullpound) transformer leak repair and 701TCS status wiring to protection and testing 10.21 Days
Continuous		  
23-Sep-24 10:00 26-Sep-24 16:00 ATCO TE 951s Protection & Control (951s Thickwood Hills) PRC-005 - microprocessor relay testing
 3.25 Days
Continuous		  
23-Sep-24 10:00 20-Oct-24 17:00 ATCO Outage 806s 701T (806s Oldman River), 806s 152 (806s Oldman River) maintenance 27.29 Days
Continuous		  
23-Sep-24 10:00 27-Sep-24 17:00 ATCO RB 7L696 (508s Lakesend - 892s Ribstone Creek) install interphase spacers. 4.29 Days
Continuous		  
23-Sep-24 10:00 15-May-25 12:00 ATCO TE 741s RTU/SCADA (741s Fox Creek) RTU configuration on new and old RTU's onsite 234.08 Days
Continuous		  
23-Sep-24 10:00 04-Oct-24 16:25 ATCO TE 848s RTU/SCADA (848s Ruth Lake) RTU configuration updates 11.27 Days
Continuous		  
23-Sep-24 12:00 10-Oct-24 17:00 ATCO TE 806s RTU/SCADA (806s Oldman River), 806s Protection & Control (806s Oldman River) protection and RTU upgrade for the entire 806S site 17.21 Days
Continuous		  
23-Sep-24 12:00 26-Sep-24 18:00 ALTALINK Outage 310p T30 (310p Sundance), 310P 69 (310p Sundance) 25kV bushing replacement, 69kV bushing replacement, 69kV LA install, leak repair, maintenance, doble 3.25 Days
Continuous		  
23-Sep-24 12:00 27-Sep-24 17:30 ALTALINK RB 501CL (983s Cadomin - 501L tap), 501L (426s Coalspur - 501CL tap) component replacement 4.23 Days
Daily		  
23-Sep-24 13:30 26-Sep-24 17:30 ALTALINK Outage 310p 2452 (310p Sundance) breaker maintenance, first trip 3.17 Days
Continuous		  
23-Sep-24 13:30 26-Sep-24 16:30 ALTALINK Outage 799s T1 (799s Coleman) maintenance and bushing replacement 3.13 Days
Continuous		  
23-Sep-24 14:00 03-Oct-24 16:00 ALTALINK Outage 520s R7 (520s Bennett) maintenance 10.08 Days
Continuous		 AB-BC
24-Sep-24 07:00 11-Oct-24 17:00 EPCOR, ALTALINK Outage 240BA3 (629s Argyll Transfer Station - 814s Bellamy), 1055L (629s Argyll Transfer Station - 816s Petrolia), 814s B2406 (814s Bellamy), 814s B2407 (814s Bellamy) oil degassing UGT 17.42 Days
Continuous		  
24-Sep-24 07:00 03-Oct-24 18:00 ALTALINK Outage 523s T1 (523s Bullshead) replace T1 protections, replace 381W feeder protection, install new VT6 for 381W feeder 9.46 Days
Continuous		  
24-Sep-24 07:00 26-Sep-24 17:00 ALTALINK Outage 83s T1 (83s Taber), 83s 65 (83s Taber) roof repair, 25kV bus is within limits of approach 2.42 Days
Continuous		  
24-Sep-24 08:00 08-Oct-24 16:00 SUNCOR Outage 29PL6-22 (29EDD-1 Millennium - 29EDD-2 Tar Island), 29EDD-2 29PT-3 (29EDD-2 Tar Island), 29EDD-1 29EDD1s1352 (29EDD-1 Millennium), 29EDD-1 29EDD1S1452 (29EDD-1 Millennium), 29EDD-1 29PS-0146 (29EDD-1 Millennium), 29EDD-2 29PS-6 (29EDD-2 Tar Island) BP - 29EDD1,29CVT-7 system, bus, test breaker 29EDD1S1352
 14.33 Days
Continuous		  
25-Sep-24 06:15 26-Sep-24 17:45 ALTALINK Outage 910L (288s Wolf Creek - 289s Saunders Lake) conductor inspections between structures 108-111 1.48 Days
Continuous		  
25-Sep-24 06:30 26-Sep-24 17:30 ALTALINK RB 914L (86s Bigstone - 289s Saunders Lake) safety requirement due to 910L GOI 1.46 Days
Daily		  
25-Sep-24 07:00 01-Oct-24 17:00 ALTALINK TE 13s RTU/SCADA (13s Deerland) update configuration for P&C protection upgrade at 171s 6.42 Days
Daily		  
25-Sep-24 07:00 01-Oct-24 17:00 ALTALINK TE 13s Protection & Control (13s Deerland) protection outage on 808L A21/L1 & B21/L1 6.42 Days
Daily		  
25-Sep-24 07:00 26-Sep-24 18:00 ALTALINK Outage 508L (67s Stirling - 344s Warner), 344s T1 (344s Warner), 344s T2 (344s Warner), 67s 508X (67s Stirling) required for clearance while installing screw piles for new structures 1.46 Days
Continuous		  
25-Sep-24 07:00 26-Sep-24 17:00 ALTALINK TE 286s RTU/SCADA (286s Yasa) RTU database update 1.42 Days
Daily		  
25-Sep-24 07:30 26-Sep-24 18:00 NWE, BHE, BHE Canada Outage NWE Great Falls, PDB2402 (BHE Hay Lake), PDB2405 (BHE Hay Lake), Great Falls Switchyard (NorthWestern Energy) - Marias (MATL), Hay Lake (NorthWestern Energy) - Marias (MATL) test breakers, shunts, switches and series cap bank 1.44 Days
Continuous		 AB-MATL
25-Sep-24 08:00 03-Oct-24 16:00 ALTALINK TE 523s Protection & Control (523s Bullshead) update settings and test differential relay 8.33 Days
Daily		  
25-Sep-24 08:00 03-Oct-24 16:00 ALTALINK TE 523s Protection & Control (523s Bullshead) differential A & B relay will be removed from service daily to update settings and test 8.33 Days
Daily		  
25-Sep-24 11:00 01-Oct-24 13:00 ALTALINK Outage 171s 138kV Bus (171s Redwater), 808L (171s Redwater - 808AL tap), 171s T2 (171s Redwater), 171s 808E (171s Redwater), 171s 30 (171s Redwater) test trips from new protections 6.08 Days
Continuous		  
25-Sep-24 11:00 01-Oct-24 13:00 ALTALINK TE 171s Protection & Control (171s Redwater) end to end testing with 947s and 13s on 808L 6.08 Days
Daily		  
26-Sep-24 06:00 29-Sep-24 18:00 ENMAX Outage 13.60L (SS-13 - SS-27), 27B69-13.60 (SS-27), 13B69-13.60 (SS-13), 13.4TR (SS-13) pole change for line clearance mitigation 3.5 Days
Continuous		  
26-Sep-24 07:00 26-Sep-24 17:30 ALTALINK TE 522s Protection & Control (522s Cooking Lake) standard relay maintenance 10.5 Hours
Daily		  
26-Sep-24 07:00 26-Sep-24 23:00 ALTALINK Outage 221s T1 (221s Sunken Lake) salvage 410-SWGR-1-IS2 and replace switch with bus pipe 16 Hours
Daily		  
26-Sep-24 07:30 04-Oct-24 17:30 ALTALINK RB 123L (19s Wabamun - 352s Onoway) excavation of contaminated soil at 124L 8.42 Days
Daily		  
26-Sep-24 08:00 26-Sep-24 16:00 ENMAX TE Protection & Control (SS-1) 138kV bus differential protection outage, relay protection test, lockout testing 8 Hours
Continuous		  
26-Sep-24 09:00 26-Sep-24 17:00 ATCO RB 9L948 (650s Hansman Lake - 863s Paintearth) replace red tagged poles 8 Hours
Continuous		  
26-Sep-24 09:00 26-Sep-24 14:00 ALTALINK Outage 1114L (102s Langdon - 520s Bennett), 102s 7552 (102s Langdon), 102s 7452 (102s Langdon), 102s 2689 (102s Langdon) 520s dead end reposition a bus insulator pin 5 Hours
Daily		 AB-BC
26-Sep-24 10:00 26-Sep-24 16:00 ATCO Outage 951S 902 (951s Thickwood Hills) PRC-005 trip coil testing 6 Hours
Continuous		  
27-Sep-24 06:15 03-Oct-24 17:45 ALTALINK Outage 914L (86s Bigstone - 87s Gaetz), 86s 1752 (86s Bigstone), 87s 1252 (87s Gaetz) conductor inspections on various spans between 173-216 6.48 Days
Continuous		  
27-Sep-24 06:30 03-Oct-24 17:30 ALTALINK RB 910L (288s Wolf Creek - 289s Saunders Lake) safety requirement for 914L GOI 6.46 Days
Daily		  
27-Sep-24 07:00 12-Oct-24 17:00 ALTALINK TE 171s Protection & Control (171s Redwater) remove old A87/138B and put new A87/138B into service 15.42 Days
Daily		  
27-Sep-24 08:00 30-Sep-24 17:00 ATCO TE 947s Protection & Control (947s Weasel Creek) end to end testing from 171S to 947S
7LA808 21/A and 7LA808 21/B will be tested		 3.38 Days
Continuous		  
27-Sep-24 08:00 27-Sep-24 16:00 ENMAX TE Protection & Control (SS-1) 138kV bus differential protection outage, relay protection test, lockout testing 8 Hours
Continuous		  
27-Sep-24 08:00 27-Sep-24 17:00 ATCO TE ATCO Telecom Equipment Fairview_T-Telecom/Friedenstal_S-Telecom. IRU 600 Traffic cutover 9 Hours
Continuous		  
27-Sep-24 08:00 27-Sep-24 16:00 ENMAX Outage 11.81L (SS-11 - SS-13) changing 13.60L to double dead-end and 11.81 fly above 8 Hours
Continuous		  
27-Sep-24 08:00 01-Oct-24 14:00 ENMAX Outage 3.3TR (SS-3) grounding improvements 4.25 Days
Continuous		  
27-Sep-24 08:00 27-Sep-24 17:00 ALTALINK TE 51s RTU/SCADA (51s Wainwright), 137s RTU/SCADA (137s Sedgewick), 296s RTU/SCADA (296s Rosyth) 9465R MPLS upgrade 9 Hours
Daily		  
28-Sep-24 07:00 28-Sep-24 15:00 EPCOR Outage 987s GT1 (987s Clover Bar), 987s CGB1 (987s Clover Bar) maintenance 8 Hours
Continuous		  
28-Sep-24 07:00 29-Sep-24 19:00 ATCO Outage 845s 709 (845s Big Mountain) EMERGENCY outage to replace failing CT.
Will need to temporarily DE-ENERGIZE 7L46 at 845S and 813S via the breakers in order to open 709A to avoid possible catastrophic failure of 709CT while switching		 1.5 Days
Continuous		  
28-Sep-24 08:00 06-Oct-24 16:00 ENMAX Outage 65.2TR (SS-65) Transformer Power Factor Test - 65.2TR. 8.33 Days
Continuous		  
28-Sep-24 08:00 28-Sep-24 18:00 ENMAX Outage 11.82L (SS-11 - SS-14), 11.83L (SS-162 - SS-11), 11.3TR (SS-11), 11.2TR (SS-11), 11B138-11.83 (SS-11), 11B138-11.82 (SS-11), 11B138-BT5 (SS-11), 11MD138-11.2TR (SS-11), 11MD138-11.3TR (SS-11), SW84 (SS-11), SW83 (SS-11) fall substation washing 10 Hours
Continuous		  
28-Sep-24 08:00 15-Oct-24 16:00 ENMAX TE 11.83L (SS-162 - SS-11) B protection outage and 162 Sub TRV breaker replacement 17.33 Days
Continuous		  
28-Sep-24 09:00 28-Sep-24 16:00 ATCO RB 7L45 (798s Bridge Creek - 845s Big Mountain) high load move 7 Hours
Continuous		  
28-Sep-24 09:00 28-Sep-24 16:00 ATCO RB 7L46 (813s Little Smoky - 845s Big Mountain) high load move 7 Hours
Continuous		  
29-Sep-24 08:00 29-Sep-24 12:00 ENMAX Outage 38.83L (SS-38 - SS-39), 39.82L (SS-39 - SS-162), 39.3TR (SS-39), 39.1TR (SS-39) fall substation washing and check reversing switch 39.3TR 4 Hours
Continuous		  
29-Sep-24 12:01 29-Sep-24 18:00 ENMAX Outage 39.82L (SS-39 - SS-162), 39.2TR (SS-39), 22.81L (SS-22 - SS-39), 39.4TR (SS-39) fall substation washing and check reversing switch 39.4TR 5.98 Hours
Continuous		  
30-Sep-24 07:00 11-Oct-24 17:00 ALTALINK TE 523s Protection & Control (523s Bullshead) breaker fail protection outage 11.42 Days
Daily		  
30-Sep-24 07:00 11-Oct-24 17:00 ALTALINK TE 523s Protection & Control (523s Bullshead) protection outages 11.42 Days
Daily		  
30-Sep-24 07:00 11-Oct-24 17:00 ALTALINK TE 523s Protection & Control (523s Bullshead) protection outages 11.42 Days
Daily		  
30-Sep-24 07:00 11-Oct-24 17:00 ALTALINK TE 523s Protection & Control (523s Bullshead) protection outages 11.42 Days
Daily		  
30-Sep-24 07:00 11-Oct-24 17:00 ALTALINK TE 523s Protection & Control (523s Bullshead) protection outages 11.42 Days
Daily		  
30-Sep-24 07:00 11-Oct-24 17:00 ALTALINK TE 523s Protection & Control (523s Bullshead) breaker fail protection outage 11.42 Days
Daily		  
30-Sep-24 07:00 11-Oct-24 17:00 ALTALINK TE 523s Protection & Control (523s Bullshead) breaker fail protection outage 11.42 Days
Daily		  
30-Sep-24 07:00 11-Oct-24 17:00 ALTALINK TE 523s Protection & Control (523s Bullshead) breaker fail protection outage 11.42 Days
Daily		  
30-Sep-24 07:00 11-Oct-24 17:00 ALTALINK TE 523s Protection & Control (523s Bullshead) breaker fail protection outage 11.42 Days
Daily		  
30-Sep-24 07:00 04-Oct-24 17:00 ALTALINK TE 415s Protection & Control (415s Drywood) relay settings changes and testing due to the Tx upgrade at 229s Glenwood. 4.42 Days
Daily		  
30-Sep-24 07:00 04-Oct-24 17:00 ALTALINK TE 385s Protection & Control (385s Spring Coulee) relay settings changes and testing due to the Tx upgrade at 229s Glenwood 4.42 Days
Daily		  
30-Sep-24 07:30 04-Oct-24 18:00 ALTALINK Outage 535s T6 (535s Joffre), 535s 110 (535s Joffre) migrate all T6 (TX18714) protections, status, controls, metering and remote access to new RTU and LAN 4.44 Days
Continuous		  
30-Sep-24 08:00 12-Oct-24 17:00 ATCO Outage 7L760 (767s Oyen - 7LA760 tap) Replace cross arms and insulators on 7L760, 242 structures
Line will be ready to energize every night as a contingency 		12.38 Days
Continuous		  
30-Sep-24 08:00 04-Oct-24 16:00 BCH Outage 5L94 (BCH Cranbrook - 102s Langdon), 1L275 (799s Coleman - BCH Natal), 1L274 (48s Pocaterra - 978s BCH Britt Creek), 5RXN5 (BCH Cranbrook) 5L94 replace insulators & spacers 4.33 Days
Continuous		 AB-BC
30-Sep-24 08:00 04-Oct-24 17:00 ALTALINK TE 535s RTU/SCADA (535s Joffre) download new configurations and migrating and commissioning of T6 (TX18703) 4.38 Days
Continuous		  
30-Sep-24 08:00 12-Oct-24 17:00 ALTALINK Outage 760L (760AL tap - 7LA760 tap) Replace cross arms and insulators on 7L760, 242 structures 12.38 Days
Continuous		  
30-Sep-24 08:00 06-Oct-24 16:00 ENMAX Outage 15.60L (SS-15 - SS-21), 15B69-15.60 (SS-15), 21B69-15.60 (SS-21) 21 substation -surge arrester addition 6.33 Days
Continuous		  
30-Sep-24 08:00 03-Oct-24 14:00 ENMAX Outage 13.3TR (SS-13) grounding improvements 3.25 Days
Continuous		  
30-Sep-24 08:00 03-Oct-24 17:00 ALTALINK TE AltaLink Telecom Equipment repair fiber 3.38 Days
Continuous		  
30-Sep-24 08:00 30-Sep-24 13:00 ATCO RB 9L20 (755s Cordel - 766s Nevis) Need HOP to repair conductor, bundle is twisted. 5 Hours
Continuous		  
30-Sep-24 09:00 04-Oct-24 18:00 ALTALINK Outage 1201L (520s Bennett - BCH Cranbrook) 5L94 replace insulators & spacers. 4.38 Days
Continuous		 AB-BC
30-Sep-24 09:00 04-Oct-24 18:00 ALTALINK Outage 737L (38s East Edmonton - 95s Imperial Oil Edmonton), 38s 737N (38s East Edmonton) straighten 737L structure 30, install new log anchors and re-sag conductors between structures 29-30 4.38 Days
Continuous		  
30-Sep-24 09:30 04-Oct-24 17:30 ATCO Outage 832s 702T (832s Blumenort), 832s 702 (832s Blumenort) breaker testing 4.33 Days
Continuous		  
30-Sep-24 10:00 02-Oct-24 16:00 ATCO TE 951s Protection & Control (951s Thickwood Hills) PRC-005 - microprocessor relay testing
 2.25 Days
Continuous		  
30-Sep-24 10:00 04-Oct-24 17:00 ATCO RB 7L696 (508s Lakesend - 892s Ribstone Creek) install interphase spacers 4.29 Days
Continuous		  
30-Sep-24 10:30 02-Oct-24 15:00 ATCO Outage 2075s ACF11 (2075s Newell), 2075s ACF12 (2075s Newell), 2075s ACF13 (2075s Newell), 2075s ACF14 (2075s Newell), 2075s 917 (2075s Newell), 2075s 918 (2075s Newell) SVC1 VESDA repair 2.19 Days
Continuous		  
30-Sep-24 10:30 02-Oct-24 12:30 ATCO TE 806s Protection & Control (806s Oldman River) microprocessor relay testing 2.08 Days
Continuous		  
30-Sep-24 14:00 07-Oct-24 10:00 ATCO Outage 7L23 (796s Nipisi - 7L23 tap), 7L23 (732s Mitsue - 7L23 tap), 7L23 (858s Narrows Creek - 7L23 tap), 796s 702 (796s Nipisi) complete CAR cross arm replacements & TCM wood pole replacements 6.83 Days
Continuous		  
01-Oct-24 00:00 31-Oct-24 00:00 SUNCOR Outage 29EDD-71 29PT-336 (29EDD-71) FB-29PT-336, 30PP-125 6Y, 29PT-517 5Y (450236820, 300184327, 450260042, 450241892) 30 Days
Continuous		  
01-Oct-24 06:00 04-Oct-24 22:00 ATCO Outage 892s 701 (892s Ribstone Creek), 892s 701T (892s Ribstone Creek) Transformer Class2 Tap Changer
transformer class2 major testing 701T @ 892S
RTXP test switch recall replacement		 3.67 Days
Continuous		  
01-Oct-24 07:00 07-Oct-24 17:00 EPCOR Outage T2 (Meadowlark), M723 (Meadowlark), M722 (Meadowlark), MAB2 (Meadowlark) M722 repair 6.42 Days
Continuous		  
01-Oct-24 07:00 11-Oct-24 17:00 EPCOR Outage 987s T3 (987s Clover Bar), 987s C2407 (987s Clover Bar) transformer DGA install 10.42 Days
Continuous		  
01-Oct-24 07:00 11-Oct-24 17:00 EPCOR Outage 72LH8 (EP 803s Lambton - EP Hardisty) LCR: Pole replacement 72LH8 10.42 Days
Continuous		  
01-Oct-24 07:00 01-Oct-24 11:01 ALTALINK Outage 880L (321s Al Rothbauer - 523s Bullshead), 523s 880 (523s Bullshead) test trip new protection relays 4.02 Hours
Continuous		  
01-Oct-24 07:00 02-Oct-24 17:00 EPCOR Outage 987s C2402 (987s Clover Bar) C2402 bay outage 1.42 Days
Continuous		  
01-Oct-24 07:00 03-Oct-24 17:00 ALTALINK TE 520s Protection & Control (520s Bennett) relay maintenance 2.42 Days
Daily		  
01-Oct-24 07:00 01-Oct-24 17:00 ALTALINK TE 378s Protection & Control (378s Shell Caroline) relay maintenance 10 Hours
Daily		  
01-Oct-24 07:15 01-Oct-24 16:00 ALTALINK, EPCOR Outage 37s 81 (37s North Calder), 37s 76 (37s North Calder), 930L (37s North Calder - Poundmaker) scope change, end of the day 37s81 breaker outage only 8.75 Hours
Daily		  
01-Oct-24 07:30 10-Oct-24 16:30 ALTALINK Outage 37s 81 (37s North Calder) install new breaker 9.38 Days
Continuous		  
01-Oct-24 07:30 01-Oct-24 16:00 ALTALINK, EPCOR Outage 930L (37s North Calder - Poundmaker) requires 930L GOI 8.5 Hours
Continuous		  
01-Oct-24 08:00 04-Oct-24 16:00 ENMAX Outage 40.81L (SS-40 - SS-41), 40B138-40.81 (SS-40), 41B138-40.81 (SS-41) line clearance mitigation 3.33 Days
Continuous		  
01-Oct-24 08:00 01-Oct-24 16:00 BCH Outage 5L94 (BCH Cranbrook - 102s Langdon), 1L274 (48s Pocaterra - 978s BCH Britt Creek), 1L275 (799s Coleman - BCH Natal) CBK 5RX5 / CBK 5B5 / 5L94 - 5CVT5 Inspection 8 Hours
Continuous		 AB-BC
01-Oct-24 08:00 02-Oct-24 16:30 ATCO Outage 848s 910 (848s Ruth Lake), 848s 911 (848s Ruth Lake) upgrade at ruth lake. 1.35 Days
Continuous		  
01-Oct-24 08:00 10-Oct-24 17:00 ALTALINK TE 37s RTU/SCADA (37s North Calder) RTU database update 9.38 Days
Daily		  
01-Oct-24 08:00 08-Oct-24 16:00 ATCO, CNRL Outage 838s 75-BC-1912 (838s Horizon Mining), 838s 75-BC-1914 (838s Horizon Mining), 838s 75-BC-1915 (838s Horizon Mining), 838s 75-BC-1916 (838s Horizon Mining) Replaced failed 260kV dead tank breaker heaters. Take one breaker out at a time. 7.33 Days
Continuous		  
01-Oct-24 08:00 01-Oct-24 16:00 ENMAX TE Protection & Control (SS-1) relay protection test 8 Hours
Continuous		  
01-Oct-24 08:00 01-Oct-24 16:00 ENMAX Outage 162B240-RB134 (SS-162) HV breaker SF6 gas sample 8 Hours
Continuous		  
01-Oct-24 08:00 03-Oct-24 17:00 ALTALINK, TRANSALTA Outage 33s T1 (33s Spray), 33s 1 (33s Spray) maintenance 2.38 Days
Continuous		  
01-Oct-24 08:00 03-Oct-24 17:00 ALTALINK, TRANSALTA Outage 33s T2 (33s Spray), 33s 2 (33s Spray) maintenance 2.38 Days
Continuous		  
01-Oct-24 08:00 02-Oct-24 17:00 ALTALINK TE 395s Protection & Control (395s North Holden) relay maintenance 1.38 Days
Continuous		  
01-Oct-24 08:00 03-Oct-24 17:00 ATCO RB 13L50 (2029s Heathfield - 2075s Newell) Replace Vibration Dampers on 13L50 OHSW. Helicopter platform work.
 2.38 Days
Continuous		  
01-Oct-24 08:00 02-Oct-24 16:00 ENMAX TE Protection & Control (SS-40) 40 Sub, Zone 31 138kV Bus Diff, 87-Z31 Outage. CT Terminal block replacement. 1.33 Days
Daily		  
01-Oct-24 08:30 04-Oct-24 17:30 ALTALINK RB 740L (39s Bickerdike - 740AL tap), 740L (426s Coalspur - 743L tap), 740L (740AL tap - 743L tap), 743L (527s Coal Valley - 740L tap), 762L (101s Cheviot - 740L tap), 740AL (414s Gulf Robb - 740L tap) Proximity RB for prep work on 740L on 740L118 - 740L138 3.38 Days
Daily		  
01-Oct-24 09:00 01-Oct-24 17:00 ATCO TE ATCO Telecom Equipment SAR B Installation and Cutover 8 Hours
Continuous		  
01-Oct-24 10:00 01-Oct-24 12:00 ALTALINK TE 735L (171s Redwater - 233s Beamer), 171s Protection & Control (171s Redwater) install a second MPLS node @ 171s 2 Hours
Daily		  
01-Oct-24 11:00 01-Oct-24 15:01 ALTALINK Outage 523s 33 (523s Bullshead), 523s C1 (523s Bullshead) test trip from new protection relays 4.02 Hours
Continuous		  
01-Oct-24 12:00 02-Oct-24 16:30 ALTALINK Outage 59s 352 (59s Peigan) maintenance and gauge replacement 28.5 Hours
Continuous		  
01-Oct-24 12:00 04-Oct-24 18:00 ALTALINK Outage 740L (39s Bickerdike - 58s Edson) Component replacement on 740LC - 740L44 3.25 Days
Continuous		  
01-Oct-24 13:00 03-Oct-24 17:30 ALTALINK Outage 289s T2 (289s Saunders Lake) doble, maint, IDD monitor 2.19 Days
Continuous		  
01-Oct-24 13:00 02-Oct-24 19:00 ATCO Outage 6L11 (743s Sarah Lake - 854s Swan Dive), 743s 603 (743s Sarah Lake) changing out str 240 on 6L11 30 Hours
Continuous		  
01-Oct-24 13:00 03-Oct-24 12:00 ATCO RB 6L11 (739s Edith Lake - 854s Swan Dive) Installing temp bypass str 240A-240D 1.96 Days
Continuous		  
01-Oct-24 13:30 03-Oct-24 17:30 ALTALINK Outage 61s T2 (61s Lodgepole) doble, maintenance, leak repairs 2.17 Days
Continuous		  
01-Oct-24 15:00 01-Oct-24 19:00 ALTALINK Outage 523s 552 (523s Bullshead) test trip from new protection relays 4 Hours
Daily		  
01-Oct-24 16:00 10-Oct-24 16:30 ALTALINK, EPCOR RB 930L (37s North Calder - Poundmaker) Altalink works at 37s North Calder Substation and requires 930L Reclose Block 9.02 Days
Continuous		  
02-Oct-24 07:00 02-Oct-24 10:30 ALTALINK Outage 523s 676 (523s Bullshead), 676L (244s Bowmanton - 523s Bullshead) Test Trip from new T1 ‘A’ and T1 ‘B’ protection relays 3.5 Hours
Daily		  
02-Oct-24 07:00 09-Oct-24 17:00 ALTALINK Outage 69s T2 (69s North Barrhead), 69s T5 (69s North Barrhead) install bird cover throughout 25kV bay 7.42 Days
Continuous		  
02-Oct-24 07:00 03-Oct-24 17:00 ALTALINK TE 276s Protection & Control (276s Union Carbide Prentiss) relay maintenance 1.42 Days
Daily		  
02-Oct-24 07:00 02-Oct-24 17:00 ALTALINK TE 95s Protection & Control (95s Imperial Oil Edmonton) protection outage. 10 Hours
Daily		  
02-Oct-24 08:00 02-Oct-24 18:00 Syncrude TE Syncrude ICCP Outage SCADA - server update
. 		10 Hours
Daily		  
02-Oct-24 08:00 02-Oct-24 17:00 ALTALINK Outage 523s 600 (523s Bullshead), 600L (404s Peace Butte - 523s Bullshead), 404s T1 (404s Peace Butte), 404s T2 (404s Peace Butte) Test Trip from new T1 ‘A’ and T1 ‘B’ protection relays 9 Hours
Daily		  
02-Oct-24 08:00 10-Oct-24 16:00 ALTALINK Outage 834L (320p Keephills - 384s Keystone), 320p 834X (320p Keephills), 384s 834 (384s Keystone) replace 320p103 switch, 320p104 PT, and A-frame. 8.33 Days
Continuous		  
02-Oct-24 08:00 16-Oct-24 16:00 Syncrude Outage 134 (Syncrude Mildred Lake), 135 (Syncrude Mildred Lake), 1335 (Syncrude Mildred Lake), Mildred T1 (Syncrude Mildred Lake) PM and maintenance. 14.33 Days
Continuous		  
02-Oct-24 08:00 09-Oct-24 17:00 ALTALINK TE 69s RTU/SCADA (69s North Barrhead) update config for AC fail alarm. 7.38 Days
Daily		  
02-Oct-24 08:00 02-Oct-24 16:00 ENMAX TE Protection & Control (SS-1) relay protection test, lockout testing. 8 Hours
Continuous		  
02-Oct-24 08:00 03-Oct-24 14:00 ENMAX Outage 3.4TR (SS-3) grounding improvements 30 Hours
Continuous		  
02-Oct-24 08:00 02-Oct-24 16:00 ENMAX Outage 41.1C (SS-41), 41B138-41.1CAP (SS-41) breaker maintenance 8 Hours
Continuous		  
02-Oct-24 08:00 02-Oct-24 17:00 ALTALINK TE AltaLink Telecom Equipment, 121s RTU/SCADA (121s Brooks) MPLS raw socket conversion at 121S. 9 Hours
Daily		  
02-Oct-24 08:00 03-Oct-24 16:00 ALTALINK TE AltaLink Telecom Equipment 121s - 9028R Upgrades: During this outage 814L, 827L Dist/Diff will be rerouted in less than 50ms. 1.33 Days
Continuous		  
02-Oct-24 08:00 04-Oct-24 17:00 ALTALINK Outage 359s T1 (359s Esso West Pembina), 359s T2 (359s Esso West Pembina), 202AL (359s Esso West Pembina - 202L tap) customer maintenance of switchgear 2.38 Days
Continuous		  
02-Oct-24 09:00 02-Oct-24 17:00 ATCO TE ATCO Telecom Equipment, 851s Morse River Low Bes Network Switch Install - IT & SCADA Network Outage to Site for 90 Minutes.
SUPEP062 LOCAL SCADA		 8 Hours
Continuous		  
02-Oct-24 10:00 02-Oct-24 16:00 ATCO Outage 951s 906 (951s Thickwood Hills) PRC-005 trip coil testing 6 Hours
Continuous		  
02-Oct-24 10:00 02-Oct-24 17:00 ATCO TE ATCO Telecom Equipment Marguerite Lake_S-Telecom.
SAR B install, DJF removal, SAR A serial card upgrade
Impact to the following traffic:
DBAEE004 - Shell / Orion D SCADA
TPRFF151 - 7L89 Thermal Protection - Lacorey / Marg Lake
7L91 A & B, 9L36 A & B, 9L37 A& B
7 Hours
Continuous		  
02-Oct-24 10:00 02-Oct-24 12:00 ATCO TE 809s Protection & Control (809s Louise Creek) Replace the Close Circuit Fail Monitor relay.
close coil monitor relay has failed, alarm is blocked - currently no close coil monitoring is in place.
Fuses to the Close circuit temporarily removed to replace relay. In case of fault on 9L938, Reclosing will only be accomplished by breaker 911.		 2 Hours
Continuous		  
02-Oct-24 15:30 02-Oct-24 16:30 CMH TE Medicine Hat ICCP Outage, Medicine Hat IED/SCADA, Medicine Hat RAS/SCADA, Medicine Hat RTU/SCADA Complete a transfer to the secondary server in the Primary Control Center. Test functionality and leave on as primary for duration of 2 weeks. 60 Mins
Continuous		  
02-Oct-24 16:30 02-Oct-24 17:00 ALTALINK Outage 919L (77s Sagitawah - 310p Sundance) test energize new 77s14 breaker 30 Mins
Daily		  
03-Oct-24 07:00 04-Oct-24 17:00 EPCOR Outage 987s C2404 (987s Clover Bar) Cloverbar S/S C2404 bay outage 1.42 Days
Continuous		  
03-Oct-24 07:00 03-Oct-24 17:00 ALTALINK TE 159s Protection & Control (159s Colinton) standard relay maintenance and to complete settings change on T2 B87/50/51/51NN/T2 URT60 10 Hours
Daily		  
03-Oct-24 07:30 03-Oct-24 17:00 Lethbridge, ALTALINK Outage 181s 463L (181s Chinook), 463L (181s Chinook - 463AL tap) urgent require open end outage on 181s 463L breaker to replace faulty tank heaters 9.5 Hours
Continuous		  
03-Oct-24 08:00 04-Oct-24 16:30 ATCO Outage 9L01 (848s Ruth Lake - 951s Thickwood Hills), 848s 911 (848s Ruth Lake), 848s 913 (848s Ruth Lake) DFR upgrade, 911CT, 913CT and 913PT inputs will be cutover to new DFR and commissioned 1.35 Days
Continuous		  
03-Oct-24 08:00 03-Oct-24 12:00 ENMAX Outage 11.82L (SS-11 - SS-14), 14.1TR (SS-14), 14.3TR (SS-14), 14.1C (SS-14), 14.2C (SS-14) fall substation washing, check reversing switch 14.3TR 4 Hours
Continuous		  
03-Oct-24 08:00 03-Oct-24 17:00 ALTALINK, Lethbridge IO 463L (181s Chinook - 463AL tap) require open end outage on 463L breaker to replace faulty tank heaters 9 Hours
Daily		  
03-Oct-24 08:00 03-Oct-24 12:00 ENMAX Outage 1B138-4A0 (SS-1) breaker trip circuit test 4 Hours
Continuous		  
03-Oct-24 08:00 03-Oct-24 16:00 ALTALINK TE AltaLink Telecom Equipment, 523s RTU/SCADA (523s Bullshead) 523S Bullshead to 9274R Winnifred MW upgrades 8 Hours
Daily		  
03-Oct-24 08:00 04-Oct-24 16:00 ENMAX TE Protection & Control (SS-41) CT terminal block replacement 1.33 Days
Daily		  
03-Oct-24 08:00 03-Oct-24 17:00 ALTALINK RB 172L (254s Coaldale - 172EL tap), 172L (83s Taber - 172EL tap) replacing aerial marker cones @ structure 941L205/4 between structures 172L 998 and 172L999. (Working on MATL line 941L 9 Hours
Daily		  
03-Oct-24 08:00 03-Oct-24 17:00 ALTALINK RB 508L (67s Stirling - 344s Warner) replacing aerial marker cones @ structure 941L176/6 between structures 508L65 and 508L66. (Working on MATL line 941L 9 Hours
Daily		  
03-Oct-24 08:00 03-Oct-24 17:00 ALTALINK RB 820AL (315s Chin Chute - 820L tap), 820L (67s Stirling - 820BL tap) replacing aerial marker cones @ structure 941L193/3 between structures 820AL73 and 820AL74. (Working on MATL line 941L) 9 Hours
Daily		  
03-Oct-24 08:30 07-Oct-24 17:30 ALTALINK RB 740L (39s Bickerdike - 740AL tap), 740L (426s Coalspur - 743L tap), 740L (740AL tap - 743L tap), 743L (527s Coal Valley - 740L tap), 762L (101s Cheviot - 740L tap), 740AL (414s Gulf Robb - 740L tap) prep work on 740L, 740AL, 743L & 501L before 740L/501L outage 4.38 Days
Daily		  
03-Oct-24 09:00 03-Oct-24 16:00 ATCO TE 917s Protection & Control (917s Horse River) protection settings updates on 3x 25kV feeder relays protection for load increase 7 Hours
Continuous		  
03-Oct-24 12:00 03-Oct-24 18:00 ENMAX Outage 14.83L (SS-14 - SS-36), 14.4TR (SS-14), 14.2TR (SS-14), 14.1C (SS-14), 14.2C (SS-14) fall substation washing, check reversing switch 14.4TR 6 Hours
Continuous		  
03-Oct-24 12:01 03-Oct-24 16:00 ENMAX Outage 1B138-3A0 (SS-1) breaker trip circuit test 3.98 Hours
Continuous		  
03-Oct-24 12:30 03-Oct-24 18:00 ALTALINK Outage 394s T2 (394s Empress) Lower 25kV Cable supports under switchgear building for 1907L, 11113T, & 426L. 5.5 Hours
Daily		  
03-Oct-24 13:00 03-Oct-24 19:00 ATCO RB 6L11 (743s Sarah Lake - 854s Swan Dive) transferring conductor on north circuit to temp bypass structures 6 Hours
Continuous		  
03-Oct-24 14:00 03-Oct-24 17:00 ATCO Outage ATC 803S 7L85D4 (ATC 803s Bullpound), ATC 803S 7L85D5 (ATC 803s Bullpound) Disconnect mobile substation 750S at 803s Bullpound 3 Hours
Continuous		  
04-Oct-24 07:30 04-Oct-24 14:00 ALTALINK TE 523s Protection & Control (523s Bullshead) trip testing 523s122, 523s676 and 523s498 6.5 Hours
Daily		  
04-Oct-24 08:00 04-Oct-24 17:00 SUNCOR TE 29EDD-2 RTU/SCADA (29EDD-2 Tar Island) updates and protection upgrades 9 Hours
Continuous		  
04-Oct-24 08:00 04-Oct-24 17:00 ALTALINK Outage 254s T2 (254s Coaldale), 254s 35 (254s Coaldale), 254s 36 (254s Coaldale), 254s 15 (254s Coaldale) 254s10 replace switch (like for like) 9 Hours
Daily		  
04-Oct-24 08:00 04-Oct-24 19:00 ATCO RB 6L11 (739s Edith Lake - 854s Swan Dive) HOP to change out str 240 on 6L11 11 Hours
Continuous		  
04-Oct-24 08:00 06-Oct-24 19:00 ATCO Outage 6L11 (743s Sarah Lake - 854s Swan Dive), 743s 603 (743s Sarah Lake) changing out structures 240A, 240B, 240C, 240D, 240 2.46 Days
Continuous		  
04-Oct-24 08:00 04-Oct-24 17:00 ALTALINK TE 233s Protection & Control (233s Beamer) settings update 9 Hours
Daily		  
04-Oct-24 09:00 04-Oct-24 16:00 ATCO TE 705s Protection & Control (705s Kitscoty) PRC-005 - microprocessor relay testing - 21B/7L130 @ 705S 7 Hours
Continuous		  
04-Oct-24 14:00 18-Oct-24 18:00 ALTALINK Outage 523s 138kV Bus 2 (523s Bullshead), 523s T2 (523s Bullshead), 676L (244s Bowmanton - 523s Bullshead) connecting new 498L and closing Open Points 'A' & 'B'. Fiber splicing on 498L OPGW & end to end testing 14.17 Days
Continuous		  

Prepared On:   2024-09-25   16:51:50

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.

© 2009 Alberta Electric System Operator. All rights reserved