Alberta Electric System Operator
System Co-ordination Plan
2023-05-27 to 2023-06-04
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		  
05-Jan-21 08:00 01-Jun-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29PT-69
877.38 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		  
18-Apr-22 08:00 05-Jun-23 17:00 ATCO TE 813s Little Smoky 144kV Bus 1, 813s Little Smoky 144kV Bus 2, 813s Little Smoky 240kV Bus 1, 813s Little Smoky 240kV Bus 2 813S Little Smoky rebuild: cutover wiring to the new relays as their corresponding apparatus are out of service 413.38 Days
Continuous		  
18-Apr-22 08:00 05-Jun-23 17:00 ATCO TE 813s Little Smoky 813S Little Smoky rebuild: cutover wiring to the new relays as their corresponding apparatus are out of service 413.38 Days
Continuous		  
19-Apr-22 08:00 29-May-23 17:00 ATCO TE 813s Little Smoky protection relay work 405.38 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		  
22-Sep-22 07:00 02-Jun-23 17:00 EPCOR Outage T2 (Garneau) Garneau: TX2 LCR WETUP Project 253.42 Days
Continuous		  
21-Dec-22 07:58 06-Jun-23 18:00 ALTALINK Outage 38s C1 (38s East Edmonton) tripped 167.38 Days
Continuous		  
03-Jan-23 12:00 30-Jun-23 16:00 ENMAX Outage 14.2C (SS-14) forced outage 178.13 Days
Continuous		  
13-Feb-23 07:00 02-Jun-23 17:00 EPCOR Outage T2 (Garneau), G725 (Garneau), G726 (Garneau), GAB2 (Garneau), GT2-O (GARNEAU) transformer replacement 109.38 Days
Continuous		  
21-Feb-23 10:00 31-May-23 17:00 ATCO, CNRL TE 847s RTU/SCADA (847s Muskeg River) download RTU program changes for 9L66 line relocation in 847S Muskeg Rive 99.25 Days
Continuous		  
06-Mar-23 07:00 30-Jun-23 17:00 EPCOR TE Meadowlark relay maintenance 116.38 Days
Continuous		  
09-Mar-23 08:00 31-May-23 17:00 ATCO TE 2005s RTU/SCADA (2005s Secord) upgrade RTU and HMI programs 83.33 Days
Continuous		  
13-Mar-23 10:00 30-Jun-23 17:00 ATCO TE 838S Substation RTU RTU downloads 109.29 Days
Continuous		  
15-Mar-23 10:00 16-Jun-23 17:00 CNRL TE 847s Muskeg River 9L66 relays end to end commissioning with new remote end at 838S Horizon 93.29 Days
Continuous		  
15-Mar-23 18:01 30-Aug-23 18:00 SUNCOR Outage 29EDD-71 752-4651 (29EDD-71) breaker will remain offline for undetermined period of time 168 Days
Continuous		  
20-Mar-23 10:00 31-May-23 17:00 ATCO TE 957s RTU/SCADA (957s McClelland) RTU downloads 72.29 Days
Continuous		  
03-Apr-23 10:00 23-Jun-23 17:00 ATCO TE 849s RTU/SCADA (849s Joslyn Creek) RTU configuration updates 81.29 Days
Continuous		  
03-Apr-23 11:00 16-Jun-23 17:00 ATCOP, CNRL TE 838s Horizon Mining implement 3 terminal protection scheme on SEL relay for temporary scheme of Horizon Expansion, Muskeg and Secord connected together 74.25 Days
Continuous		  
13-Apr-23 10:00 31-Jul-23 18:00 ATCO IO 840S 505 FA3 Forced outage Transfer limit 90MW
investigate/repair breaker 505 due to lockout, waiting for parts		 109.33 Days
Continuous		  
15-Apr-23 08:30 16-Jun-23 17:30 ATCOP, CNRL TE 838s Horizon Mining 240 kV breaker protection testing 62.38 Days
Continuous		  
17-Apr-23 10:00 05-Jun-23 16:00 ATCO Outage 740s 701 (740s H.R. Milner), 740s 701B (740s H.R. Milner) replace damaged switch arm on 701B 49.25 Days
Continuous		  
24-Apr-23 08:00 12-Jun-23 20:00 Syncrude Outage T4 (Aurora) maintenance 49.5 Days
Continuous		  
24-Apr-23 08:00 31-May-23 17:00 ATCO IO 838S 905, 838S 906 construction of 838S Horizon expansion 37.38 Days
Continuous		  
25-Apr-23 08:00 02-Jun-23 17:00 ALTALINK TE 895s RTU/SCADA (895s Suffield) download new RTU configurations due to implementation of new protections and to correct any deficiencies 38.38 Days
Daily		  
26-Apr-23 08:00 06-Jun-23 17:00 ATCO Outage 769s 704C (769s Stettler) forced outage troubleshooting and repair of breaker 704 41.38 Days
Continuous		  
26-Apr-23 12:00 30-Jun-23 17:00 ATCO Outage 811s 701C (811s Clairmont Lake) Forced outage, repair 701CCS, low SF6. 701C OOS until repairs completed on 701CCS 65.21 Days
Continuous		  
28-Apr-23 08:00 28-May-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 30EDD-1 - 30PL2-48 system maintenance 30.42 Days
Continuous		  
01-May-23 07:00 02-Jun-23 17:00 EPCOR TE Meadowlark 72 kV P&C relay maintenance 32.42 Days
Continuous		  
01-May-23 07:00 02-Jun-23 17:00 EPCOR TE EP Hardisty 72 kV P&C relay maintenance 32.42 Days
Continuous		  
01-May-23 07:30 16-Jun-23 15:00 CMH Outage MH-50L (MHS-2 North Industrial - MHS-5 NE Crescent Heights), MHS-2 MH69-212 (MHS-2 North Industrial), MHS-5 MH69-510 (MHS-5 NE Crescent Heights) update and test revised settings for existing MH69-50L line protection relays at MHS-2 and MHS-5 and repair MH69-511 disconnect switch at MHS-5 46.31 Days
Continuous		  
01-May-23 09:00 02-Jun-23 17:30 ATCO Outage 13L50 (2029s Heathfield - 2075s Newell), 2029s 1205 (2029s Heathfield), 2029s 1206 (2029s Heathfield), 2075s 916 (2075s Newell), 2075s 917 (2075s Newell) HMI upgrades and DC maintenance 32.35 Days
Continuous		  
01-May-23 09:00 02-Jun-23 17:30 ALTALINK IO 13L50 (A2075s-A2029s) Atco - Info HMI IT Upgrades AT 2075s & 2029s 32.35 Days
Continuous		  
01-May-23 10:01 29-May-23 12:00 ALTALINK IO 7L90 (A813s) OOS - Atco Info 813s Little Smoky rebuild 28.08 Days
Continuous		  
01-May-23 10:01 05-Jun-23 12:00 ATCO Outage 7L90 (813s Little Smoky - 7LA90 tap), 813s 702 (813s Little Smoky), 813s 703 (813s Little Smoky) 813S Little Smoky rebuild 35.08 Days
Continuous		  
03-May-23 05:25 02-Jun-23 18:00 ATCO Outage 7L81 (791s Rainbow Lake - BCH Harvest Energy FNC Tap) forced outage due to fire 30.52 Days
Continuous		  
03-May-23 07:00 31-May-23 22:00 CNRL TE 859s RTU/SCADA (859s Primrose) RTU upgrades 28.63 Days
Continuous		  
04-May-23 17:00 02-Jun-23 18:00 ALTALINK Outage 841L (477s Amoco West Pembina - 489s Petro-Canada Brazeau River) forced outage due to fire 29.04 Days
Continuous		  
04-May-23 17:00 02-Jun-23 18:00 ALTALINK Outage 828L (178s Cynthia - 489s Petro-Canada Brazeau River), 178s 828X (178s Cynthia), 489s 828E (489s Petro-Canada Brazeau River) forced outage due to fire 29.04 Days
Continuous		  
04-May-23 17:00 02-Jun-23 18:00 ATCO Outage 930s Syn Condenser (930s Arcenciel), 930s 702T (930s Arcenciel), 930s 719 (930s Arcenciel), 930s 406 (930s Arcenciel), 930s 407 (930s Arcenciel) forced outage due to fire 29.04 Days
Continuous		  
04-May-23 17:00 02-Jun-23 18:00 ALTALINK Outage 844L (358s Amoco Brazeau - 477s Amoco West Pembina), 477s 844X (477s Amoco West Pembina), 801L (294s Brazeau Outlet Works - 801AL tap), 801L (358s Amoco Brazeau - 801AL tap), 801AL (445s Elk River - 801L tap), 445s 801X (445s Elk River) forced outage due to fire 29.04 Days
Continuous		  
08-May-23 08:00 02-Jun-23 17:00 ATCO Outage 7L71 (718s Parsons Creek - 2082s Dog Rib), 718s 702 (718s Parsons Creek) replace switches and switch structures 25.38 Days
Continuous		  
08-May-23 09:00 02-Jun-23 17:30 ATCO TE 2029s RTU/SCADA (2029s Heathfield) replace DC HMIs 25.35 Days
Continuous		  
08-May-23 09:00 02-Jun-23 17:30 ATCO TE 2075s RTU/SCADA (2075s Newell) replace DC HMIs 25.35 Days
Continuous		  
08-May-23 18:01 31-May-23 17:00 ATCO Outage 9L32 (838s Horizon Mining - 941s Bitumount), 9L66 (838s Horizon Mining - 847s Muskeg River) stage 3 for 9L66/9L32 reconnection 22.96 Days
Continuous		  
13-May-23 08:00 02-Jun-23 18:00 ATCO Outage 7L93 (828s Sulphur Point - 930s Arcenciel) forced outage due to fire 20.42 Days
Continuous		  
14-May-23 10:00 02-Jun-23 18:00 ALTALINK Outage 799L (235s Entwistle - 443s South Mayerthorpe) forced outage due to fire 19.33 Days
Continuous		  
15-May-23 08:00 30-May-23 18:00 SUNCOR Outage 29EDD-94 29-952-9704 (29EDD-94 Voyageur), 29EDD-94 29-952-9705 (29EDD-94 Voyageur), 29EDD-94 29PS-400 (29EDD-94 Voyageur) breaker mtce & test 15.42 Days
Continuous		  
15-May-23 09:30 28-May-23 17:00 ATCO Outage 9L08 (849s Joslyn Creek - 888s Dover), 849s 905 (849s Joslyn Creek), 849s 906 (849s Joslyn Creek) 849s 9L08 protection upgrades 13.31 Days
Continuous		  
16-May-23 09:30 30-Jun-23 17:30 ATCO TE 951s RTU/SCADA (951s Thickwood Hills) 240 kV bus - protection end to ends and IMS panel commissioning 45.33 Days
Continuous		  
17-May-23 17:01 16-Jun-23 17:00 EPCOR Outage 72RG7 (Garneau - Rossdale) faulted cable 30 Days
Continuous		  
18-May-23 13:00 08-Jun-23 17:00 ATCO Outage 7L113 (853s Ring Creek - 930s Arcenciel) repair damaged structures due to wildfire 21.17 Days
Continuous		  
22-May-23 07:00 02-Jun-23 18:00 ALTALINK TE 356s RTU/SCADA (356s Milo) complete SCADA failover and complete the rewiring 11.46 Days
Daily		  
23-May-23 07:00 01-Jun-23 06:59 EPCOR Outage 814s T2 (814s Bellamy), 814s B2406 (814s Bellamy), 814s B2402 (814s Bellamy), BR722 (Rossdale), 814s BAB2 (814s Bellamy) apparatus first week- TX2 doble and arrestor/PT doble, P&C second week- TX2 zone P&C maintenance 9 Days
Continuous		  
23-May-23 07:00 02-Jun-23 17:00 EPCOR Outage T2 (Rossdale), R721 (Rossdale), R723 (Rossdale), RAB2 (Rossdale) Rossdale: RS5 demo 10.42 Days
Continuous		  
23-May-23 08:01 08-Jun-23 13:00 ALTALINK IO 1080L (SS-25 - SS-65) Altalink outage - expansion of GOI zone for urgent work to replace 1080L cables into C25s for scaffolding for cable terminations (Phasing required on return to service) 16.21 Days
Continuous		  
23-May-23 08:01 08-Jun-23 13:00 ENMAX, ALTALINK Outage 240kV West Bus (SS-25), 1080L (SS-25 - SS-65), 25B240-D138 (SS-25), 25B240-D139 (SS-25), 25B240-D142 (SS-25), 25B240-D133 (SS-25), 25B240-D136 (SS-25), 25MD240-1080 (SS-25), 65MD240-1080 (SS-65) Expansion of GOI Zone for Urgent work to replace 1080L cables into C25s for scaffolding for cable terminations 16.21 Days
Continuous		  
23-May-23 09:00 12-Jun-23 16:00 ATCO TE 849s Joslyn Creek 75-PLH-902, 900BS1 240 kV bus - block relays to test adjacent protection 20.29 Days
Continuous		  
23-May-23 12:00 02-Jun-23 17:00 ALTALINK Outage 535s 110 (535s Joffre), 535s T6 (535s Joffre) replacing underground cables, new PT and T6 protection upgrade to include under-voltage trip to 2271L 10.21 Days
Continuous		  
23-May-23 13:00 02-Jun-23 16:00 ALTALINK TE 535s Joffre replace and test T6 and 2271L relays 10.13 Days
Continuous		  
25-May-23 08:00 27-May-23 17:00 ALTALINK TE 535s RTU/SCADA (535s Joffre) SCADA configuration and testing 2.38 Days
Daily		  
25-May-23 08:00 03-Jun-23 17:00 ATCO RB 9L32 (838s Horizon Mining - 941s Bitumount), 9L66 (838s Horizon Mining - 847s Muskeg River) ATCO 9L32-9L66 CNRL- Horizon Project
working on the 3 terminal connection on 9L32/9L66, specialized hot line work		 9.38 Days
Continuous		  
25-May-23 09:05 29-May-23 18:00 ALTALINK Outage 102s 6452 (102s Langdon) real time emergency outage 4.37 Days
Continuous		  
27-May-23 07:00 27-May-23 17:00 ENMAX RB 11.82L (SS-11 - SS-14) tree trimming 10 Hours
Daily		  
27-May-23 07:30 04-Jun-23 18:00 ATCOP, CNRL Outage 838s 75-TR-2701 (838s Horizon Mining), 838s 75-BC-1917 (838s Horizon Mining), 838s 75-BC-1918 (838s Horizon Mining) protective relay testing 8.44 Days
Continuous		  
27-May-23 08:00 27-May-23 16:00 ENMAX Outage 65B240-D131 (SS-65), 65B240-D132 (SS-65) summer substation washing 65 sub1080PT, D132, D131. 8 Hours
Continuous		  
28-May-23 08:00 04-Jun-23 09:00 ALTALINK Outage 482s T1 (482s Haynes), 482s 784AW (482s Haynes) install and commission new NGR on T1. T1 bushing replacement. T1 doble, maintenance, leaks. breaker maintenance (482s784AW) 7.04 Days
Continuous		  
28-May-23 16:00 01-Jun-23 17:00 ALTALINK Outage 484s T3 (484s Millar Western), 484s 4 (484s Millar Western) T3 Replace 138kV bushings, Replace 484s4 switch (Like for like), Install coresense, T3 major maintenance, Fix leaks, Test T3 4.04 Days
Continuous		  
28-May-23 17:01 11-Jun-23 17:00 ATCO Outage 9L09 (849s Joslyn Creek - 888s Dover), 849s 902 (849s Joslyn Creek), 849s 903 (849s Joslyn Creek) 849s 9L09 protection upgrades 14 Days
Continuous		  
29-May-23 07:00 30-May-23 17:00 EPCOR Outage 816s P2403 (816s Petrolia) Petrolia: P2403 CT Doble 1.42 Days
Continuous		  
29-May-23 07:00 09-Jun-23 18:00 ALTALINK TE 310p RTU/SCADA (310p Sundance) complete SCADA failover to install JBSEC(s), SEL-2440 alarm board(s) and complete the rewiring of physical security sensors in parallel with connections to the existing Fusion RTU 11.46 Days
Daily		  
29-May-23 07:00 02-Jun-23 17:00 EPCOR Outage 72CH9 (987s Clover Bar - EP Hardisty), T3 (EPCOR Hardisty), H724 (EP Hardisty), H723 (EP Hardisty) Hardisty: H723 Breaker Maintenance and CT Doble and TX3 Zone CVT Doble and HAB3, HDS8, HDS9 Disconnect Maintenance 4.42 Days
Continuous		  
29-May-23 07:00 02-Jun-23 17:00 EPCOR Outage 72JW19 (EP 805s Jasper - Woodcroft), T1 (Woodcroft), W721 (Woodcroft), W722 (Woodcroft) Woodcroft: TX1 Tap Changer Leak Repair (043836) 4.42 Days
Continuous		  
29-May-23 07:00 29-May-23 17:00 EPCOR Outage EP 803s T1 (EP 803s Lambton), EP 803s L2401 (EP 803s Lambton), EP 803s L2402 (EP 803s Lambton) pole lighting upgrade project (pole #1) 10 Hours
Continuous		  
29-May-23 07:00 01-Jun-23 17:00 ALTALINK TE 482s RTU/SCADA (482s Haynes) add alarm, RTU configuration change/Hmi updates 3.42 Days
Daily		  
29-May-23 07:00 29-May-23 17:00 ENMAX RB 39.82L (SS-39 - SS-162) tree trimming 10 Hours
Daily		  
29-May-23 07:00 29-May-23 17:00 ENMAX RB 38.83L (SS-38 - SS-39) tree trimming 10 Hours
Daily		  
29-May-23 07:00 29-May-23 17:00 ENMAX RB 37.81L (SS-37 - SS-38) tree trimming 10 Hours
Daily		  
29-May-23 07:00 02-Jun-23 17:00 EPCOR TE T4 (Rossdale) protection blocking for ITM install 4.42 Days
Continuous		  
29-May-23 07:30 07-Jun-23 18:00 CNRL, ATCOP Outage 75-PLH-903 (838s Horizon Mining - 842s Horizon Upgrading), 842s 75-TR-4701 (842s Horizon Upgrading), 842s 75-TR-7701 (842s Horizon Upgrading), 838s 75-BC-1911 (838s Horizon Mining), 838s 75-BC-1918 (838s Horizon Mining), 842s 75-1902 (842s Horizon Upgrading), 842s 75-1902A (842s Horizon Upgrading), 842s 75-1903 (842s Horizon Upgrading), 842s 75-1903A (842s Horizon Upgrading), 842s 75-1903B (842s Horizon Upgrading), 842s 75-4701 (842s Horizon Upgrading), 842s 75-1904 (842s Horizon Upgrading), 842s 75-1904A (842s Horizon Upgrading), 842s 75-1904B (842s Horizon Upgrading), 842s 75-7701 (842s Horizon Upgrading), 842s 75-1905 (842s Horizon Upgrading), 842s 75-1905A (842s Horizon Upgrading) 260kV 5YR PMs and Protective Relay Upgrades 9.44 Days
Continuous		  
29-May-23 08:00 31-May-23 17:00 ALTALINK Outage 484s T2 (484s Millar Western) fix leaks, maintain and test T2 2.38 Days
Continuous		  
29-May-23 08:00 29-May-23 17:00 SUNCOR Outage 635EDD-1001 635-752-631 (635EDD-1001) 635-752-631; Coil & Latch Assembly replacement. The breaker is presently out of service and will be put back to service after latch replacement 9 Hours
Continuous		  
29-May-23 08:00 01-Jun-23 16:00 ALTALINK TE 482s Haynes S50/51/51N/51NN/T1 out of service 3.33 Days
Continuous		  
29-May-23 08:00 29-May-23 17:00 ALTALINK TE 512s RTU/SCADA (512s Hartell) satellite dish needs to be aligned to new satellite 9 Hours
Daily		  
29-May-23 08:00 29-May-23 17:00 ALTALINK TE 527s RTU/SCADA (527s Coal Valley) satellite dish needs to be aligned to new satellite 9 Hours
Daily		  
29-May-23 08:00 30-May-23 16:00 ENMAX Outage 15.62L (SS-15 - SS-16), 16B69-15.62 (SS-16) breaker maintenance 16B69-15.62 1.33 Days
Continuous		  
29-May-23 08:00 29-May-23 16:00 ENMAX Outage 38.83L (SS-38 - SS-39), 38B138-38.83 (SS-38) Power factor test 38B138-38.83-CT 8 Hours
Continuous		  
29-May-23 08:00 01-Jun-23 16:00 ENMAX Outage 41.2TR (SS-41) Power factor test transformer. Secondary Cable Testing. Transformer Maintenance.  Relay Fault Pressure Test. Oil Sampling MT, TC 3.33 Days
Continuous		  
29-May-23 08:00 01-Jun-23 16:00 ENMAX TE SS-14 14sub 138kV bus differential protection outage. Relay, Settings changes 14RLY138-14.Z31 3.33 Days
Daily		  
29-May-23 08:00 30-May-23 16:00 ENMAX Outage 37.1TR (SS-37) tapchanger maintenance, check reversing switch, 37.1TR MT and LTC oil sample 1.33 Days
Continuous		  
29-May-23 09:00 02-Jun-23 17:00 ALTALINK TE 395s RTU/SCADA (395s North Holden) update config for SCADA upgrade 4.33 Days
Daily		  
29-May-23 09:00 09-Jun-23 17:00 BCH Outage T3 (BCH Natal) Tap changer inspections and doble testing 11.33 Days
Continuous		 AB-BC
29-May-23 09:00 09-Jun-23 17:00 ALTALINK IO B1s T3 BCH - Info Tap changer inspections and doble testing 11.33 Days
Continuous		  
29-May-23 09:00 10-Jun-23 17:30 ATCO TE 7L68 (730s Rycroft - 811s Clairmont Lake) change relay settings to accommodate Telecom outage 2-72665 12.35 Days
Continuous		  
29-May-23 09:30 02-Jun-23 17:00 ALTALINK, EPCOR RB 809L (320p Keephills - 510s Sunnybrook) aerial washing program (spring) 4.31 Days
Continuous		  
29-May-23 10:00 01-Jun-23 13:00 ATCO Outage 7L794 (157s Lac La Biche - 819s Whitby Lake), 819s 702 (819s Whitby Lake) 702 Complete Maintenance
Open end 7L794 Line		 3.13 Days
Continuous		  
29-May-23 10:00 01-Jun-23 17:30 ALTALINK IO 7L794 (Open-end @ 819s) ATCO - Info ATCO 819s 702 Complete Maintenance 3.31 Days
Continuous		  
29-May-23 10:00 30-May-23 17:30 ATCO TE 951s RTU/SCADA (951s Thickwood Hills) password updates on multiple devices on site, including HMI 31.5 Hours
Continuous		  
29-May-23 10:30 01-Jun-23 16:30 ALTALINK Outage 42s T1 (42s Sarcee), 42s 40 (42s Sarcee) PRC5 doble and oil leaks 3.25 Days
Continuous		  
29-May-23 12:00 30-May-23 16:00 ATCO Outage 2085s 601T (2085s Sheridan), 2085s 601 (2085s Sheridan) transformer maintenance 28 Hours
Continuous		  
29-May-23 12:00 02-Jun-23 17:30 ATCO TE 12L41 (510s Sunnybrook - 939s Livock), 12L44 (939s Livock - 951s Thickwood Hills), 939s RTU/SCADA (939s Livock) password updates on multiple devices on site 4.23 Days
Continuous		  
30-May-23 07:00 31-May-23 17:00 EPCOR Outage EP 803s T2 (EP 803s Lambton), EP 803s L2402 (EP 803s Lambton), EP 803s L2405 (EP 803s Lambton), EP 803s LAB2 (EP 803s Lambton) pole lighting upgrade project and TX2 leak investigation 1.42 Days
Continuous		  
30-May-23 07:00 30-May-23 17:00 ENMAX RB 11.81L (SS-11 - SS-13) tree trimming 10 Hours
Daily		  
30-May-23 07:00 30-May-23 17:00 ENMAX RB 13.82L (SS-13 - SS-22) tree trimming 10 Hours
Daily		  
30-May-23 08:00 03-Jun-23 20:00 SUNCOR Outage 29PL9-3 (29EDD-1 Millennium - 29EDD-3), 29EDD-3 29PT-6 (29EDD-3) Millennium 260kV bus jumper replacement related to existing 29PL9-3 4.5 Days
Continuous		  
30-May-23 08:00 30-May-23 17:00 ATCO TE ATCO Radio Tower radio upgrade and repair to RAC 4 TX power failure 9 Hours
Daily		  
30-May-23 08:00 01-Jun-23 16:00 ALTALINK Outage 275s T2 (275s Jenner), 275s 46 (275s Jenner), 275s 2252 (275s Jenner), 275s 47 (275s Jenner) install bird cover on T2 reactors and bus work 2.33 Days
Continuous		  
30-May-23 08:00 03-Jun-23 16:00 ATCO, ALBIAN Outage 920s 901T (920s Jackpine), 9LJH1 (919s Hartley - 920s Jackpine) repairs on failed 72kV cable from 901T 4.33 Days
Continuous		  
30-May-23 08:00 30-May-23 17:00 ALTALINK TE AltaLink Telecom Equipment, 207s RTU/SCADA (207s Pinedale) 207s - upgrade MPLS node & LAN switch replacement 9 Hours
Daily		  
30-May-23 08:00 30-May-23 17:00 ALTALINK TE 411s RTU/SCADA (411s Obed) satellite dish alignment 9 Hours
Daily		  
30-May-23 08:00 30-May-23 17:00 ALTALINK TE 975s RTU/SCADA (975s Dalehurst) satellite dish alignment 9 Hours
Daily		  
30-May-23 08:00 30-May-23 16:00 ENMAX Outage 15.62L (SS-15 - SS-16), 15B69-15.62 (SS-15) power factor test 8 Hours
Continuous		  
30-May-23 08:00 30-May-23 17:00 ALTALINK IO 199s East Airdrie failed RFU 1, requires replacement and testing of radio to ensure functionality 9 Hours
Daily		  
30-May-23 08:30 01-Jun-23 13:30 ALTALINK Outage 170s T2 (170s Pike) PRC5 maintenance, tap changer major maintenance, test 2.21 Days
Continuous		  
30-May-23 09:00 30-May-23 10:00 ATCO TE ATCO Radio Tower, 903s RTU/SCADA (903s Loyalist) Consort_T-Telecom
60 Mins
Continuous		  
30-May-23 13:00 30-May-23 17:00 VISIONREQ TE 354s Summerview replace MDA 1/1 for internal fault, 624L (312s-354s) TPR A-CHY, B-CH1 & B-CH2 & 354s-103s RAS A 4 Hours
Daily		  
31-May-23 07:00 02-Jun-23 17:00 EPCOR Outage 1164L (816s Petrolia - EP Riverview), 816s PDS12 (816s Petrolia), 816s P2403 (816s Petrolia), 816s P2404 (816s Petrolia) 1164L CT/arrestor doble and PDS12 disconnect maintenance 2.42 Days
Continuous		  
31-May-23 07:00 31-May-23 17:00 ENMAX, ALTALINK RB 37.82L (74s Janet - SS-37) tree trimming 10 Hours
Daily		  
31-May-23 07:00 31-May-23 17:00 ENMAX, ALTALINK RB 37.82L (74s Janet - SS-37) tree trimming 10 Hours
Daily		  
31-May-23 07:00 31-May-23 17:00 ENMAX RB 41.84L (SS-41 - SS-54) tree trimming 10 Hours
Daily		  
31-May-23 08:00 31-May-23 17:00 ALTALINK, PR Outage 949L (275s Jenner - 306s Halsbury), 275s 949 (275s Jenner), 275s 2689 (275s Jenner), 306s 240CB1 (306s Halsbury) fiber maintenance 9 Hours
Daily		  
31-May-23 08:00 31-May-23 18:00 ALTALINK TE 253s RTU/SCADA (253s Blackie) upgrade MPLS node 10 Hours
Daily		  
31-May-23 08:00 01-Jun-23 12:00 ATCO Outage 2085s 602T (2085s Sheridan) transformer maintenance 28 Hours
Continuous		  
31-May-23 08:00 31-May-23 17:00 ALTALINK TE 48s RTU/SCADA (48s Pocaterra) satellite dish needs to be aligned to new satellite 9 Hours
Daily		  
31-May-23 08:00 13-Jun-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) breaker maintenance and test breakers 29-452-6704, 29-452-6703, 29-452-6702, 29-452-8407, 29-452-8406, 29-452-8405, 29-452-8404, 29-452-8403, 29-452-8402, 29-452-8502, 29PT-406, corrective work on 29PL4-245 13.42 Days
Continuous		  
31-May-23 08:00 31-May-23 17:00 ALTALINK TE 887s RTU/SCADA (887s Carson Creek) satellite dish needs to be aligned to new satellite 9 Hours
Daily		  
31-May-23 08:00 31-May-23 17:00 ALTALINK TE 996s RTU/SCADA (996s Imperial Oil Carson Lake) satellite dish needs to be aligned to new satellite 9 Hours
Daily		  
31-May-23 08:00 01-Jun-23 16:00 ENMAX Outage 37.81L (SS-37 - SS-38), 37B138-37.81 (SS-37), 38B138-37.81 (SS-38) breaker maintenance and power factor test 1.33 Days
Continuous		  
31-May-23 08:00 31-May-23 16:00 ENMAX Outage 14.83L (SS-14 - SS-36), 14B138-14.83 (SS-14), 36B138-14.83 (SS-36) breaker trip circuit test - 14B138-14.83 8 Hours
Continuous		  
31-May-23 08:00 31-May-23 16:00 ENMAX Outage 14.83L (SS-14 - SS-36), 16.63L (SS-16 - SS-36), 36.5TR (SS-36), 36.2TR (SS-36), 14B138-14.83 (SS-14), 36B138-14.83 (SS-36), 36B69-16.63/36.5TR (SS-36), 16B69-16.63 (SS-16) power factor test 36PT138-Z32. 8 Hours
Continuous		  
31-May-23 08:00 01-Jun-23 16:00 ENMAX Outage 2.4TR (SS-2) tapchanger maintenance, check reversing switch, oil sampling and gas monitor maintenance 1.33 Days
Continuous		  
31-May-23 08:30 01-Jun-23 17:30 ALTALINK Outage 535s T5 (535s Joffre) doble test & investigate bushing monitor fail alarm 1.38 Days
Continuous		  
01-Jun-23 05:30 01-Jun-23 17:30 Lafarge Canada Outage 985s 811TF01 (985s Exshaw), 985s 811TF02 (985s Exshaw), 985s T3 (985s Exshaw), 985s 811QC03 (985s Exshaw), 985s 811QC04 (985s Exshaw), 985s 811QS01 (985s Exshaw), 985s 811QS02 (985s Exshaw), L300 (1020s Exshaw extension - 985s Exshaw), 1020s T1 (1020s Exshaw Extension) maintenance 12 Hours
Continuous		  
01-Jun-23 07:00 02-Jun-23 17:00 EPCOR, ALTALINK Outage 240BA3 (629s Argyll Transfer Station - 814s Bellamy), 1055L (629s Argyll Transfer Station - 816s Petrolia), 814s T2 (814s Bellamy), 814s B2402 (814s Bellamy), 814s B2406 (814s Bellamy), 814s B2407 (814s Bellamy), BR722 (Rossdale) TX2 zone P&C maintenance and op-checks 1.42 Days
Continuous		  
01-Jun-23 07:00 01-Jun-23 17:00 EPCOR TE EPCOR EMS/ICCP Outage EPCOR ICCP outage 10 Hours
Continuous		  
01-Jun-23 07:00 01-Jun-23 19:00 ALTALINK Outage 512s T1 (512s Hartell), 512s 812AL (512s Hartell) customer work 12 Hours
Daily		  
01-Jun-23 08:00 03-Jun-23 17:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 635PL6-1004 2.38 Days
Continuous		  
01-Jun-23 08:00 01-Jun-23 13:00 Lethbridge Outage 823L (146s MacDonald - 593s Lakeview), 146s 823L (146s Macdonald), 593s 823L (593s Lakeview) energize 146s T2 5 Hours
Continuous		  
01-Jun-23 08:00 01-Jun-23 13:00 ALTALINK IO 823L (L146s) CofL - Info Open ended to energize new 146s T2 5 Hours
Daily		  
01-Jun-23 08:00 10-Jun-23 20:00 Syncrude Outage Mildred T1 (Syncrude Mildred Lake), 1335 (Syncrude Mildred Lake), 135 (Syncrude Mildred Lake) maintenance and repairs
9.5 Days
Continuous		  
01-Jun-23 08:00 01-Jun-23 16:00 ENMAX Outage 32.83L (SS-32 - SS-40), 32B138-32.83 (SS-32) power factor test 32B138-32.83-CT
8 Hours
Continuous		  
01-Jun-23 08:00 01-Jun-23 16:00 ALTALINK IO 510s Sunnybrook Test Phasor Measurement Units on ACF1, ACF2, T11 8 Hours
Daily		  
01-Jun-23 08:00 01-Jun-23 17:00 ALTALINK TE 515s RTU/SCADA (515s Fedpipe Judy Creek) satellite dish needs to be aligned to new satellite 9 Hours
Daily		  
01-Jun-23 08:00 01-Jun-23 17:00 ALTALINK TE 638s RTU/SCADA (638s Esso Judy Creek) satellite dish needs to be aligned to new satellite. 9 Hours
Daily		  
01-Jun-23 08:00 07-Jun-23 17:00 SUNCOR TE Suncor RTU/SCADA (Suncor) T&D HVCC Control Center upgrade integration testing 6.38 Days
Daily		  
01-Jun-23 09:00 01-Jun-23 13:00 ATCO TE ATCO Radio Tower, 2091s RTU/SCADA (2091s Thornton), 740s RTU/SCADA (740s H.R.Milner), 810s RTU/SCADA (810s Dome Cutbank) supervisory outage 4 Hours
Continuous		  
01-Jun-23 10:00 01-Jun-23 12:00 ATCO TE 2005s RTU/SCADA (2005s Secord), ATCO Radio Tower, 957s RTU/SCADA (957s McClelland) upgrade McClelland_S-Telecom and Secord_S-Telecom Net 1 Router OS 2 Hours
Continuous		  
01-Jun-23 10:00 01-Jun-23 12:00 ATCO Outage 9L101 (957s McClelland - 2005s Secord) upgrade McClelland_S-Telecom and Secord_S-Telecom Net 1 Router OS 2 Hours
Continuous		  
01-Jun-23 13:00 01-Jun-23 14:00 ATCO TE ATCO Radio Tower upgrade Secord_S-Telecomnet 11 SAR OS 60 Mins
Continuous		  
02-Jun-23 08:00 02-Jun-23 17:00 ALTALINK TE 165s RTU/SCADA (165s Gainford) satellite dish needs to be aligned to new satellite 9 Hours
Daily		  
02-Jun-23 08:00 02-Jun-23 17:00 ALTALINK TE AltaLink Radio Station, 14s RTU/SCADA (14s Devon) upgrade MPLS node and LAN switch replacement 9 Hours
Daily		  
02-Jun-23 08:00 15-Jun-23 17:00 ALTALINK TE 385s RTU/SCADA (385s Spring Coulee) updating RTU configuration 13.38 Days
Daily		  
02-Jun-23 09:00 02-Jun-23 10:00 ATCO TE ATCO Radio Tower upgrade Joslyn_S-Telecom net 11 SAR OS 60 Mins
Continuous		  
02-Jun-23 09:00 02-Jun-23 17:00 BCH TE 5L94 (BCH Cranbrook - 102s Langdon) RFL 9745 PM, transfer trip from CBK-KCL.
CBK 5L94 Output208, 110P-H06-522-2
110P-H06-520 and R16-B60 SH2
8 Hours
Continuous		  
02-Jun-23 10:00 02-Jun-23 11:00 ATCO, ATCOP, CNRL TE ATCO Radio Tower, 849s RTU/SCADA (849s Joslyn Creek), 838s RTU/SCADA (838s Horizon Mining) upgrade Joslyn_S-Telecom net 1 SAR OS 60 Mins
Continuous		  
02-Jun-23 21:00 04-Jun-23 20:00 ALTALINK Outage 38s 4152 (38s East Edmonton), 38s 62 (38s East Edmonton), 38s T1 (38s East Edmonton), 38s 138kV Bus 1 (38s East Edmonton), 38s 865N (38s East Edmonton), 38s 736E (38s East Edmonton), 38s C1 (38s East Edmonton), 38s 737N (38s East Edmonton), 38s C2 (38s East Edmonton), 38s 73 (38s East Edmonton), 737L (38s East Edmonton - 95s Imperial Oil Edmonton), 293s T1 (293s Bernese), 736L (38s East Edmonton - 293s Bernese), 293s T2 (293s Bernese), 865L (38s East Edmonton - 216s Knightsbridge), 293s 152 (293s Bernese), 293s 252 (293s Bernese) replace 38s736CTs, replace insulators on 7 switches and 15 post insulators and perform transformer maintenance on 293sT1 and 293sT2 1.96 Days
Continuous		  
02-Jun-23 21:00 04-Jun-23 20:00 ALTALINK Outage 95s T2 (95s Imperial Oil Edmonton) 95s T2 testing and neutral insulator replacement 1.96 Days
Continuous		  
03-Jun-23 07:00 03-Jun-23 19:00 ALTALINK Outage 177s New&Exist 25kV SWGR, 29sT2 - Advice Fortis to replace & test 264T power cables, close 29s Open Point ‘G’, & energize N-16B6137U cubicle. Fortis to cut over 105L1 to N-105L1 and create 177s Open Point ‘F’. Fortis to cut over 238L1 to N-238L1 and create 177s Open Point ‘E’. Fortis to phase @ 16B6135. At the end of the outage 264T will be fed from 105L1. 177s RSLD 3 & 29s RSLD 2 to be issued at the end of the outage. 12 Hours
Daily		  
03-Jun-23 08:00 06-Jun-23 16:00 SUNCOR TE 29EDD-1 RTU visibility outage
"A"87(L3) (L1) GE LFCB122
"A"87(L4) GE LFCB122 MET(L4) ION-7700
GE LFCB122(L2) MET(L2) ION-7700
A"87/50/51/51NN(T1) (T2) Multilin SR745
All of the outages being reported will have either redundant feeds and/or redundant protection or upstream protection.		 3.33 Days
Continuous		  
03-Jun-23 08:00 03-Jun-23 18:00 ENMAX, ALTALINK Outage 24.81L (SS-24 - SS-31). 24.83L (74s Janet - SS-24), 24B138-24BT3 (SS-24), 24.1TR (SS-24), 24.81L (SS-24 - SS-31), 24.83L (74s Janet - SS-24) Power factor test 24B138-24.81-CT, 24B138-24BT3-CT 10 Hours
Continuous		  
03-Jun-23 08:00 03-Jun-23 18:00 ALTALINK Outage 74s 33 (74s Janet) Power factor test 24B138-24.81-CT, 24B138-24BT3-CT. 10 Hours
Daily		  
03-Jun-23 09:00 03-Jun-23 17:00 ALTALINK Outage 33s 6 (33s Spray) Maintenance 8 Hours
Daily		  
03-Jun-23 18:00 13-Jun-23 17:00 ALTALINK Outage 177s New & Exist 25kV SWGR, 29sT2 - GOI Cutover and energize new 177s Switchgear. Close 29s Open Point ‘A’ & 29s Open Point ‘B’. Create 29s Open Point ‘J’ & 29s Open Point ‘K’. Phasing @ N-238L1 & N-16B6137U 2xyz. 177s RSLD4 & 29s RSLD 3 to be issued at the end of the outage. Issue Salvage Clearance on existing 177s switchgear and remove temporary naming of N-16B6137U, N-238L1, & N-105L1. 177s RSLD 5 & 29s RSLD 4 to be issued after switching complete. 9.96 Days
Continuous		  
04-Jun-23 07:00 04-Jun-23 17:00 ALTALINK RB 1056L (89s-629s) Epcor - RB Aerial Maintenance - Washing Program 10 Hours
Daily		  
04-Jun-23 07:00 04-Jun-23 17:00 EPCOR, ALTALINK Outage 1056L @ Argyll Transfer Station E629S and Ellerslie 89S, 1056L (89s Ellerslie - 629s Argyll Transfer Station) 1056L: Aerial- Washing Program (Spring) 10 Hours
Continuous		  
04-Jun-23 07:00 04-Jun-23 17:00 ALTALINK, EPCOR RB 1055L (629s Argyll Transfer Station - 816s Petrolia) 1055L: Aerial- Washing Program (Spring) 10 Hours
Continuous		  
04-Jun-23 08:00 13-Jun-23 17:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 635PT-1052 9.38 Days
Continuous		  
04-Jun-23 08:00 07-Jun-23 17:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 635PL6-1002 3.38 Days
Continuous		  

Prepared On:   2023-05-26   3:29:50 PM

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