Alberta Electric System Operator
System Co-ordination Plan
2019-08-22 to 2019-08-30
Approved Outages

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From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
04-Oct-18 09:00 15-Jan-20 20:00 Syncrude Outage Mildred T3 (Syncrude Mildred Lake) damaged transformer repairs 468.5 Days
Continuous		  
05-Oct-18 08:00 31-Dec-20 16:00 EPCOR Outage Rossdale C2 (Rossdale) forced outage 818.38 Days
Continuous		  
24-Oct-18 01:13 31-Dec-20 16:00 EPCOR Outage Rossdale C1 (Rossdale) forced outage 799.66 Days
Continuous		  
12-Mar-19 08:00 30-Aug-19 16:00 ATCO TE 796s Nipisi RTU/SCADA PLC and RTU download and testing 171.33 Days
Continuous		  
23-Apr-19 07:00 30-Nov-19 17:00 EPCOR TE EPCOR Network Riverview S/S addition will affect the redundant path on SONET Network 221.46 Days
Continuous		  
23-Apr-19 07:30 01-Sep-19 17:00 EPCOR TE Garneau blocking of 72 kV BF protection for relay maintenance 131.4 Days
Continuous		  
29-Apr-19 08:00 06-Sep-19 17:00 EPCOR Outage Namao T3 (Namao) transformer replacement 130.38 Days
Continuous		  
01-May-19 07:00 15-Dec-19 17:00 EPCOR TE 987S Cloverbar upgrade 72 kV BF/anti-islanding protection 228.46 Days
Continuous		  
01-May-19 07:30 01-Sep-19 17:00 EPCOR TE 816S Petrolia SONET re-configuration work for new Riverview S/S 123.4 Days
Daily		  
01-May-19 07:30 01-Sep-19 17:00 EPCOR, ALTALINK TE 805S Jasper,816S Petrolia,814S Bellamy,1044L (805s Jasper - 816s Petrolia),1055L (629s Argyll Transfer - 816s Petrolia),908L (89s Ellerslie - 816s Petrolia),1139L (367s Harry Smith - 816s Petrolia) SONET re-configuration work for new Riverview S/S 123.4 Days
Daily		  
11-Jun-19 07:00 17-Sep-19 16:00 ALTALINK Outage 394s T2 (394s Empress) replace bus work with new switchgear building 98.38 Days
Continuous		  
17-Jun-19 07:00 05-Oct-19 17:30 ALTALINK Outage 953s T2 (953s Lake Louise) creating temporary open point 'A' 110.44 Days
Continuous		  
17-Jun-19 09:00 01-Nov-19 15:30 REDDEER Outage 194s T1 (194s South Red Deer) maintenance 137.27 Days
Continuous		  
25-Jun-19 08:00 30-Aug-19 17:00 ATCO TE 739s Edith Lake RTU/SCADA RTU configuration update 66.38 Days
Daily		  
01-Jul-19 07:00 01-Oct-19 17:00 EPCOR TE Hardisty T1 (Hardisty) commissioning of new transformer metering 92.42 Days
Continuous		  
03-Jul-19 07:00 01-Oct-19 04:00 ALTALINK TE 953s T1 (953s Lake Louise) removing S50 relay from service until the end of the project 89.88 Days
Daily		  
05-Jul-19 07:00 02-Sep-19 17:00 ATCO Outage 791s 702T (791s Rainbow Lake),791s 707 (791s Rainbow Lake) add jumper J1 between 144 kV bus and 702TD for salvage/addition of equipment 59.42 Days
Continuous		  
22-Jul-19 09:00 28-Aug-19 16:00 ATCO Outage 832s 701T (832s Blumenort) replace 701T 37.29 Days
Continuous		  
24-Jul-19 00:00 05-Sep-19 00:00 ALTALINK TE 551L (945s Sunshine Village - 123s Banff) removing A21 & B21 relays from service 43 Days
Continuous		  
24-Jul-19 00:00 05-Sep-19 00:00 ALTALINK TE 551L (945s Sunshine Village - 953s Lake Louise),945s 26 (945s Sunshine Village) removing A21 & B21 relay from service 43 Days
Continuous		  
24-Jul-19 06:00 05-Sep-19 00:00 ALTALINK Outage 123s T1 (123s Banff),123s T2 (123s Banff),551L (945s Sunshine Village - 123s Banff) structures re-building 42.75 Days
Continuous		  
26-Jul-19 12:00 24-Oct-19 16:00 ENMAX Outage 34.2TR (ENMAX 34) 34.2TR replacement & yard construction 90.17 Days
Continuous		  
27-Jul-19 19:18 28-Dec-19 16:00 ATCO Outage 826s 502R (826s Marguerite Lake) forced outage 153.9 Days
Continuous		  
30-Jul-19 07:00 30-Oct-19 17:00 ATCO Outage 791s 701T (791s Rainbow Lake),791s 702T (791s Rainbow Lake) substation rebuild project 92.42 Days
Continuous		  
31-Jul-19 09:00 31-Aug-19 17:00 ALTALINK TE 415s Drywood RTU/SCADA updating configurations on the RTU for 252 breaker fail 31.33 Days
Daily		  
07-Aug-19 09:00 17-Oct-19 17:00 ALTALINK Outage 205s Castle Rock Ridge 240 kV Bus 2,205s 452 (205s Castle Rock) construction for new wind farm 71.33 Days
Continuous		  
07-Aug-19 16:00 16-Sep-19 16:00 ALTALINK Outage 50L (44s Bearspaw Plant - ENMAX 21) urgent outage to address clearance issues 40 Days
Daily		  
08-Aug-19 07:00 19-Sep-19 17:00 ATCO Outage 796s 701T (796s Nipisi) switching to isolate 701T for 25kV GIS replacement project 42.42 Days
Continuous		  
08-Aug-19 17:30 03-Sep-19 13:00 ALTALINK Outage 784L (332s Ellis - 784AL tap),332s 784 (332s Ellis) install new air breaks 784L74A & 784AL1A 25.81 Days
Continuous		  
15-Aug-19 08:00 11-Sep-19 18:00 SUNCOR Outage 836s 624T (836s Steep Bank) 5 year 624T transformer maintenance and repair 27.42 Days
Continuous		  
16-Aug-19 08:00 22-Aug-19 18:00 SUNCOR Outage 29EDD-56 29PT-190 (29EDD-56) replace and commission TAP 6.42 Days
Continuous		  
16-Aug-19 13:50 20-Sep-19 18:00 ALTALINK Outage 795L (121s Brooks - 421s Hays) urgent clearance mitigation 35.17 Days
Continuous		  
19-Aug-19 07:00 23-Aug-19 17:00 EPCOR Outage Rossdale T4 (Rossdale) doble 4.42 Days
Continuous		  
19-Aug-19 07:00 23-Aug-19 17:00 EPCOR Outage 72RW3 (Rossdale - Woodcroft),Woodcroft W724 (Woodcroft),Woodcroft W725 (Woodcroft) disconnect replacement 4.42 Days
Continuous		  
19-Aug-19 07:00 06-Sep-19 17:00 EPCOR Outage 987s CCP7214 (987s Clover Bar) breaker replacement 18.42 Days
Continuous		  
19-Aug-19 08:00 04-Oct-19 18:00 SUNCOR Outage 29EDD-56 5 year maintenance 46.42 Days
Continuous		  
19-Aug-19 08:00 22-Aug-19 17:00 ALTALINK TE 377s Hardisty RTU/SCADA update RTU configurations to implement the new HMI 3.38 Days
Continuous		  
19-Aug-19 08:00 22-Aug-19 17:00 ALTALINK TE 370s North Lethbridge RTU/SCADA update SMP16 firmware to implement the new HMI in the 240kV/138kV control building 3.38 Days
Continuous		  
19-Aug-19 08:00 30-Aug-19 15:00 ATCO Outage 2029s T11 (2029s Heathfield) 2019 turnaround maintenance 11.29 Days
Continuous		  
19-Aug-19 08:00 30-Aug-19 15:00 ATCO Outage 2075s T11 (2075s Newell) 2019 turnaround maintenance 11.29 Days
Continuous		  
19-Aug-19 08:00 30-Aug-19 15:00 ATCO Outage 13L50 (2029s Heathfield - 2075s Newell) 2019 turnaround maintenance 11.29 Days
Continuous		  
19-Aug-19 08:00 30-Aug-19 15:00 ALTALINK IO 13L50 (A2029s - A2075s) ATCO - Info turnaround maintenance at Heathfield 2029s 11.29 Days
Continuous		  
19-Aug-19 08:00 22-Aug-19 17:00 ALTALINK TE 74s Janet RTU/SCADA update configurations 3.38 Days
Daily		  
19-Aug-19 08:00 26-Aug-19 17:00 ALBIAN Outage 920s 901T (920s Jackpine) transformer preventive maintenance 7.38 Days
Continuous		  
19-Aug-19 08:00 30-Aug-19 17:00 ATCO Outage 6L11 (739s Edith Lake - 854s Swan Dive),6L97 (735s Swan River - 739s Edith Lake),739s 601 (739s Edith Lake),739s 603 (739s Edith Lake),739s 602 (739s Edith Lake) install new line protection relays 11.38 Days
Continuous		  
19-Aug-19 08:00 30-Aug-19 17:00 ALTALINK IO 2L294 (NLY-AAL) OOS - BCH - Info only annual maintenance: structure, insulators and arcing horn replc. - BC Hydro 11.38 Days
Continuous		  
19-Aug-19 08:00 27-Aug-19 16:00 ENMAX Outage 22.1TR (ENMAX 22) doble and maintenance 8.33 Days
Continuous		  
19-Aug-19 08:00 22-Aug-19 16:00 ENMAX Outage 54.1TR (ENMAX 54) tapchanger inspection 3.33 Days
Continuous		  
19-Aug-19 09:00 22-Aug-19 14:00 ALTALINK Outage 415s 352 (415s Drywood) install new breaker control and breaker fail on breaker 352 3.21 Days
Continuous		  
19-Aug-19 09:00 23-Aug-19 16:00 ALTALINK TE 63s Reddeer RTU/SCADA supervisory outage in order to connect a new RTU to the existing D20 4.29 Days
Continuous		  
19-Aug-19 09:00 23-Aug-19 17:00 ALTALINK TE 324s Cassils RTU/SCADA update RTU for firmware update and enabling HMI functionality 4.33 Days
Continuous		  
19-Aug-19 09:00 23-Aug-19 17:00 ATCO TE 834s Wesley Creek RTU/SCADA network multiplexer and RTU upgrade and update 4.33 Days
Continuous		  
19-Aug-19 09:00 23-Aug-19 17:00 ATCO TE 905s Meikle RTU/SCADA network multiplexer and RTU upgrade and update 4.33 Days
Continuous		  
19-Aug-19 09:00 23-Aug-19 17:00 ATCO TE 788s Hotchkiss RTU/SCADA network multiplexer and RTU upgrade and updates 4.33 Days
Continuous		  
19-Aug-19 09:30 29-Aug-19 16:30 ALTALINK Outage 868s T1 (868s Keephills Make-Up) upgrade metering and replace transformer bushing 10.29 Days
Continuous		  
19-Aug-19 09:30 29-Aug-19 17:30 ALTALINK RB 786L (799s Coleman - Natal) rebuild from str's #77-81 10.33 Days
Daily		  
19-Aug-19 10:00 22-Aug-19 18:00 ALTALINK Outage 719BL (634s Shell Raven River - 719BL0),634s T1 (634s Shell Raven River) transformer and 138 kV breaker maintenance 3.33 Days
Continuous		  
19-Aug-19 10:00 15-Sep-19 16:00 ENMAX, ALTALINK Outage 932L (74s Janet - 162s Beddington),74s 552 (74s Janet),74s 252 (74s Janet),162s 240-RB135 (162s Beddington),162s 240-136 (162s Beddington) line protection upgrade 27.25 Days
Continuous		  
19-Aug-19 10:00 15-Sep-19 16:30 ALTALINK IO 932L Enmax Advice line protection upgrade 27.27 Days
Continuous		  
19-Aug-19 10:15 22-Aug-19 14:45 ALTALINK Outage 135s T1 (135s Conrad) Fix T1, VR1 oil leaks, maintain and doble, replace t/c oil 3.19 Days
Continuous		  
19-Aug-19 10:15 22-Aug-19 15:45 ALTALINK Outage 691L (74s Janet - 419s Chestermere) SCADA equipment upgrade 3.23 Days
Continuous		  
19-Aug-19 11:00 23-Aug-19 16:00 ATCO TE 9L11 (834s Wesley Creek - 813s Little Smoky),ATCO Radio Tower test and cut-over TPR circuits for 9L11 A & B between Wesley Creek and Little Smoky to MPLS network 4.21 Days
Continuous		  
19-Aug-19 12:00 22-Aug-19 17:30 ALTALINK Outage 166s T1 (166s Dow Chemical Fort Saskatchewan) replacement of 138kV and 25kV bushings on T1 3.23 Days
Continuous		  
19-Aug-19 13:00 30-Aug-19 17:00 BCH Outage 2L294 (Nelway - A.A. Lambert) annual plan request F20 - structure replacements 11.17 Days
Continuous		 AB-BC
20-Aug-19 07:00 23-Aug-19 18:00 ALTALINK Outage 90L (115s Mt. Allan - 32s Barrier) urgent fire mitigation: structure changes and woodpecker damage repairs on structures 3.46 Days
Continuous		  
20-Aug-19 07:30 22-Aug-19 17:00 ALTALINK TE 89s Ellerslie RTU/SCADA update RTU configuration 2.4 Days
Daily		  
20-Aug-19 09:00 06-Sep-19 17:00 BCH Outage 5L72 (Mica Creek - Nicola) arcing horn and spacer damper 17.33 Days
Continuous		 AB-BC
20-Aug-19 09:00 28-Aug-19 09:30 ALTALINK Outage 89s 1652 (89s Ellerslie) replace existing breaker fail protection relay module and breaker control module with C60 module 8.02 Days
Continuous		  
20-Aug-19 09:00 28-Aug-19 09:30 ALTALINK, EPCOR RB 947L (89s Ellerslie - 987s Clover Bar) replace existing breaker fail protection relay module and
breaker control module with C60 module		 8.02 Days
Continuous		  
20-Aug-19 12:30 22-Aug-19 16:30 ALTALINK TE 602S Cold Creek standard relay maintenance 2.17 Days
Daily		  
20-Aug-19 13:03 22-Aug-19 16:00 ATCO TE 989S Quigley replace the ITM card 2.12 Days
Continuous		  
20-Aug-19 15:00 26-Aug-19 10:00 ATCO TE 832s Blumenort RTU/SCADA RTU upgrade for 701T transformer replacement 5.79 Days
Continuous		  
21-Aug-19 07:00 22-Aug-19 17:00 ALTALINK TE 244s Bowmanton RTU/SCADA update RTU configuration for 1018s RAS alarms 1.42 Days
Daily		  
21-Aug-19 08:00 23-Aug-19 16:00 ATCO, SHELL TE 879s Scotford Upgrader RTU/SCADA,402s Shell Aosp1 RTU/SCADA Scotford(AUS)_S-Telecom 2.33 Days
Continuous		  
21-Aug-19 09:00 22-Aug-19 17:00 ALTALINK TE 356S Milo modifying sync check settings on 927L as related to the GOI on 356s652 1.33 Days
Daily		  
21-Aug-19 09:00 23-Aug-19 17:00 BCH TE Natal T1 (BCH Natal),Natal T2 (BCH Natal),1L275 (799s Coleman - Natal),1L274 (Line Creek - Natal) protection primary/standby setting changes 2.33 Days
Daily		  
21-Aug-19 09:30 23-Aug-19 17:30 ALTALINK RB 853L (28s West Brooks - 504s Queenstown) urgent line clearance mitigation on structure 853AL48 2.33 Days
Continuous		  
21-Aug-19 13:00 23-Aug-19 17:00 ATCO Outage 7L44 (749s Flyingshot Lake - 845s Big Mountain) change 709PT foundation 2.17 Days
Continuous		  
22-Aug-19 07:00 22-Aug-19 17:00 ALTALINK TE AltaLink Radio Tower 9062R - 9495R Radio - radio replacement 10 Hours
Daily		  
22-Aug-19 07:00 22-Aug-19 17:00 ALTALINK Outage 995L (62s Brazeau - 995AL tap) open due to double TPR outage. 9062R - 9495R radio replacement 10 Hours
Daily		  
22-Aug-19 08:00 23-Aug-19 17:00 EPCOR Outage 816s P2406 (816s Petrolia) splitting the DC 1.38 Days
Continuous		  
22-Aug-19 08:00 22-Aug-19 18:00 ALTALINK IO 24.82L Enmax Info substation washing 10 Hours
Daily		  
22-Aug-19 08:00 22-Aug-19 16:00 ENMAX Outage ENMAX 47 B138-771 (ENMAX 47) HV breaker maintenance 47B138-771. SF6 gas sample 8 Hours
Continuous		  
22-Aug-19 08:00 22-Aug-19 18:00 ENMAX Outage 24.82L (ENMAX 65 - ENMAX 24),ENMAX 65 PT138-24.82 (ENMAX 65) substation washing 10 Hours
Continuous		  
22-Aug-19 08:00 22-Aug-19 18:00 ALTALINK Outage 924L (102s Langdon - 356s Milo) emergency repair 10 Hours
Continuous		  
22-Aug-19 08:00 22-Aug-19 18:00 ALTALINK RB 927L (102s Langdon - 356s Milo) safety requirement 10 Hours
Continuous		  
22-Aug-19 08:15 22-Aug-19 17:45 ALTALINK Outage 356s 952 (356s Milo) modifying sync check settings on SEL-352-2 9.5 Hours
Daily		  
22-Aug-19 08:30 22-Aug-19 16:00 ALTALINK TE 395S North Holden rewiring comm ports and changing comms settings on A21/L3(701LX) relay 7.5 Hours
Daily		  
22-Aug-19 08:30 22-Aug-19 16:00 ALTALINK TE 648S Metiskow standard relay maintenance 7.5 Hours
Daily		  
22-Aug-19 08:30 22-Aug-19 16:30 ALTALINK TE 964S Pigeon Lake standard relay maintenance 8 Hours
Daily		  
22-Aug-19 09:00 22-Aug-19 14:00 ALTALINK TE 123s Banff RTU/SCADA add new alarms and analogs for 551LW, T1 & T2 protections 5 Hours
Daily		  
22-Aug-19 09:00 22-Aug-19 15:00 ALTALINK TE 89S Ellerslie UR card replacement (bus prot (240B2 B) 6 Hours
Daily		  
22-Aug-19 09:00 22-Aug-19 10:00 ALTALINK TE 415s 146E (415s Drywood) test new breaker fail trips to 415s352, breaker fail trips to 69kV bus 1 protection 60 Mins
Daily		  
23-Aug-19 07:00 23-Aug-19 17:00 EPCOR Outage Rossdale T4 (Rossdale),Rossdale RR729 (Rossdale),Rossdale R724 (Rossdale) doble 10 Hours
Continuous		  
23-Aug-19 07:30 23-Aug-19 17:30 ALTALINK TE 54s Fort Saskatchewan RTU/SCADA update RTU configuration to add new bus protection alarms 10 Hours
Daily		  
23-Aug-19 08:00 23-Aug-19 18:00 ENMAX Outage 54.81L (ENMAX 54 - ENMAX 65) substation washing 10 Hours
Continuous		  
23-Aug-19 08:00 23-Aug-19 12:00 Medicine Hat Outage MH-16L (MH69S-2 - MH69S-16),MH69s2 MH69_224 (MH69s2 North Industrial) ISOCH testing 4 Hours
Continuous		  
24-Aug-19 07:00 25-Aug-19 17:00 EPCOR Outage 816s T1 (816s Petrolia) bushing replacement repair 1 phase 1.42 Days
Continuous		  
24-Aug-19 07:30 24-Aug-19 17:30 ALTALINK TE 545s Provost RTU/SCADA update RTU configuration to add new 25KV switchgear and feeder protection alarms 10 Hours
Daily		  
24-Aug-19 07:30 24-Aug-19 16:30 ENMAX, ALTALINK IO 24.83L (74s Janet - ENMAX 24),24.81L (ENMAX 31 - ENMAX 24) 24B138-24.81 breaker maintenance, SF6 gas sample,repair or replace center phase mech cover 9 Hours
Daily		  
24-Aug-19 08:00 25-Aug-19 17:00 ATCO Outage 7L228 (845s Big Mountain - 2091s Thornton) change 703PT foundation 1.38 Days
Continuous		  
24-Aug-19 08:00 24-Aug-19 18:00 ENMAX, ALTALINK Outage ENMAX 24 B138_24BT3 (ENMAX 24),24.1TR (ENMAX 24),24.83L (74s Janet - ENMAX 24),24.81L (ENMAX 31 - ENMAX 24) breaker maintenance, doble, CT repair 10 Hours
Continuous		  
24-Aug-19 08:00 25-Aug-19 16:00 ENMAX TE ENMAX 31 move HMU meter panel 1.33 Days
Daily		  
25-Aug-19 08:00 25-Aug-19 14:00 ENMAX Outage ENMAX 13 doble, 21 and 57N disable due to PT outage 6 Hours
Continuous		  
25-Aug-19 11:00 25-Aug-19 18:00 ENMAX Outage ENMAX 9 doble, PT maintenance 7 Hours
Continuous		  
26-Aug-19 07:00 02-Sep-19 19:00 ATCO Outage 951s SVC (951s Thickwood) troubleshooting for low differential pressure alarm 7.5 Days
Continuous		  
26-Aug-19 07:00 26-Aug-19 17:00 EPCOR Outage Rossdale T2 (Rossdale) bird cover install 10 Hours
Continuous		  
26-Aug-19 07:00 02-Sep-19 16:00 ALTALINK Outage 205S Castle Rock Ridge construction of CRR2 7.38 Days
Continuous		  
26-Aug-19 07:00 06-Sep-19 17:00 EPCOR Outage 72CN10 (987s Clover Bar - Namao),Namao T3 (Namao) Commissioning/Energization of New TX3 11.42 Days
Continuous		  
26-Aug-19 07:00 30-Aug-19 17:00 EPCOR Outage 72MG16 (Meadowlark - Garneau),Meadowlark T3 (Meadowlark) doble 4.42 Days
Continuous		  
26-Aug-19 07:00 15-Dec-19 17:00 EPCOR TE 816s Petrolia RTU/SCADA IP address update and cutover of RTU to new network 111.46 Days
Daily		  
26-Aug-19 07:00 15-Dec-19 17:00 EPCOR TE 816S Petrolia IP address update and cutover of IED's to new network 111.46 Days
Daily		  
26-Aug-19 07:00 02-Sep-19 19:00 ALTALINK IO 951s SVC ATCO - Info Siemens requested outage to perform troubleshooting for the recurring "low differential pressure" alarm at Thickwood. 7.5 Days
Continuous		  
26-Aug-19 07:30 28-Aug-19 17:00 ALTALINK TE 89s RTU update RTU configuration to add new protection relay alarms 2.4 Days
Daily		  
26-Aug-19 07:30 28-Aug-19 17:30 ALTALINK TE 122s Alberta Newsprint RTU/SCADA update RTU configuration to add new alarms 2.42 Days
Daily		  
26-Aug-19 08:00 06-Sep-19 16:00 ALTALINK IO 32.83L Enmax Info line protection upgrade 11.33 Days
Continuous		  
26-Aug-19 08:00 29-Aug-19 17:00 ALTALINK TE 370s North Lethbridge RTU/SCADA update SMP16 firmware to implement the new HMI in the 240kV/138kV control building 3.38 Days
Continuous		  
26-Aug-19 08:00 29-Aug-19 17:00 ALTALINK TE 74s Janet RTU/SCADA new configurations update 3.38 Days
Daily		  
26-Aug-19 08:00 27-Aug-19 16:00 ATCO Outage 7L45 (845s Big Mountain - 798s Bridge Creek) Change foundation on 701PT 1.33 Days
Continuous		  
26-Aug-19 08:00 26-Aug-19 18:00 ALTALINK IO 1109L Enmax - Info substation washing, HV switch maintenance 10 Hours
Daily		  
26-Aug-19 08:00 03-Sep-19 17:30 ATCO Outage 7L53 (7L53 tap - 700s Bonnyville) changing cross-arms on 7L53 8.4 Days
Continuous		  
26-Aug-19 08:00 30-Aug-19 17:30 ALTALINK RB 12L41 (510s-A939s) ATCO - R/B ATCO climbing patrol 4.4 Days
Daily		  
26-Aug-19 08:00 28-Aug-19 16:00 ENMAX Outage 20.3TR (ENMAX 20) relay CPU upgrade 2.33 Days
Continuous		  
26-Aug-19 08:00 26-Aug-19 16:00 ENMAX TE 39.82L (ENMAX 162 Beddington - ENMAX 39) 932L protection upgrade, wiring in DC cabinet for B protection 8 Hours
Continuous		  
26-Aug-19 08:00 06-Sep-19 16:00 ENMAX Outage 32.83L (ENMAX 32 - ENMAX 40) Line Protection Upgrade 11.33 Days
Continuous		  
26-Aug-19 08:00 26-Aug-19 18:00 ALTALINK Outage 1109L (ENMAX 65 - ENMAX 25) Substation Washing. HV SW maint, doble 10 Hours
Continuous		  
26-Aug-19 08:00 30-Aug-19 17:00 ATCO, ALTALINK RB 12L41 (510s Sunnybrook - 939s Livock) climbing patrol 4.38 Days
Daily		  
26-Aug-19 08:00 20-Oct-19 16:00 ATCO, ALTALINK Outage 740s H.R.Milner 144 kV Floating Bus,740s 702T (740s H.R.Milner) transformer replacement and bus reconfiguration 55.33 Days
Continuous		  
26-Aug-19 08:00 03-Sep-19 17:30 ALTALINK IO 7L53 (A706s - A700s) ATCO Info ATCO Crossarm Replacements On 7L53 8.4 Days
Continuous		  
26-Aug-19 08:30 30-Aug-19 14:00 ATCO Outage 793s 702T (A793s West Peace) OLTC refurbishment 4.23 Days
Continuous		  
26-Aug-19 09:00 27-Aug-19 15:00 ALTALINK Outage 513S Range. Pipe Lundbreck Replace station service transformer 30 Hours
Continuous		  
26-Aug-19 09:00 30-Aug-19 16:00 ALTALINK TE 63s Red Deer RTU/SCADA SCADA visibility & RTU outage for migrating all LAN devices over to the new LAN from the old LAN and misc updates to prep for new SCADA 4.29 Days
Continuous		  
26-Aug-19 09:00 28-Aug-19 15:00 ALTALINK Outage 13L/158L (65s High River - 392s Black Diamond),65s High River 138kV Bus 1,753L (65s High River - 253s Blackie),434L (65s High River - 237s Foothills),65s T1 (65s High River),65s T2 (65s High River) replace 138 kV PT’s, strain insulators and 69 kV strain insulators 2.25 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s 952 (87s Gaetz) update relay password on 96/79/952 URC60 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s 252 (87s Gaetz) update relay password on 96/252 SEL2BFR 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s Gaetz 240kV East Bus update relay passwords on A87/E240B URB30 and B87/E240B SEL387-5 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s 852 (87s Gaetz) update relay password on 96/852 SEL2BFR 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s Gaetz 138kV West Bus update relay passwords on A87/W138B 7UT635 and B87/W138B SEL387-5 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s Gaetz 138kV East Bus update relay passwords on B87/E138B SEL387-5 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s T2 (87s Gaetz) update relay password on A87/T2 7UT512 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s 1052 (87s Gaetz) update relay password on 96/25SC/1052 URC60 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 914L (87s Gaetz - 63s Red Deer) update relay passwords on A21/L12 SEL421 and B21/L12 7SA522 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 914L (86s Bigstone - 87s Gaetz) update relay passwords on A21/L9 SEL421 and B21/L9 7SA522 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s 1252 (87s Gaetz) update relay password on 11(96/25SC/79)/1252 URC60 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 464L (87s Gaetz - 209s Timberlands) update relay passwords on A87/21/L7 SEL411L and B87/21/L7 URL90 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 793L (87s Gaetz - 535s Joffre) update relay passwords on A21P,G/L6 SEL321-1 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s 1652 (87s Gaetz) update relay password on 11(96/25SC/79)/1652 URC60 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 778L (217s North Red Deer - 87s Gaetz) update relay passwords on A21/L5 SEL311C and B21/L5 URD60 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87s 2352 (87s Gaetz) update relay password on 96/2352 SEL2BFR 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 87S Gaetz updating relay passwords on A87/240B1 SEL387-5 and B87/240B1 URB30 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 759L (87s Gaetz - 276s Prentiss) update relay passwords on A21/L4 SEL311C and B21/L4 URD60 3.33 Days
Continuous		  
26-Aug-19 09:00 29-Aug-19 17:00 ALTALINK TE 756L (87s Gaetz - 535s Joffre) update relay passwords on A21P,G/L1 SEL321-1 3.33 Days
Continuous		  
26-Aug-19 09:00 30-Aug-19 17:00 ATCO TE 715s Leming Lake RTU/SCADA network multiplexer upgrade 4.33 Days
Continuous		  
26-Aug-19 09:00 30-Aug-19 17:00 ATCO TE 846s Grand Centre RTU/SCADA network multiplexer upgrade 4.33 Days
Continuous		  
26-Aug-19 09:00 30-Aug-19 17:00 ATCO TE 970s Bourque RTU/SCADA network multiplexer upgrade 4.33 Days
Continuous		  
26-Aug-19 09:00 30-Aug-19 17:00 ATCO TE 837s Mahihkan RTU/SCADA network multiplexer upgrade 4.33 Days
Continuous		  
26-Aug-19 09:00 30-Aug-19 17:00 ATCO TE 826s Marguerite Lake RTU/SCADA network multiplexer upgrade 4.33 Days
Continuous		  
26-Aug-19 09:30 30-Aug-19 17:30 ALTALINK RB 610L (336s Fincastle - 83s Taber) urgent line clearance mitigation on structures #21 - 95 4.33 Days
Daily		  
26-Aug-19 10:00 29-Aug-19 15:00 ALTALINK TE 87s Gaetz RTU/SCADA addition of new HMI SMP4250 and RTU HMI functional checks 3.21 Days
Continuous		  
26-Aug-19 10:00 27-Aug-19 14:00 ALTALINK Outage 135s T2 (135s Conrad) installation of cantega cover on T2 18966 and associated 25 KV bus 28 Hours
Continuous		  
26-Aug-19 10:15 29-Aug-19 15:45 ALTALINK Outage 929L (74S Janet - 287s Hazelwood) SCADA equipment upgrade 3.23 Days
Continuous		  
26-Aug-19 11:00 29-Aug-19 17:45 ALTALINK Outage 17s 2852 (17s Benalto),17s T3 (17s Benalto) qualitrol modification, oil leaks, maintenance, doble 3.28 Days
Continuous		  
26-Aug-19 11:00 26-Aug-19 16:30 ALTALINK TE 525s RTU - Control investigate and repair IED trouble, investigate and repair RS400 ruggedcom issues 5.5 Hours
Daily		  
26-Aug-19 11:00 26-Aug-19 16:30 ALTALINK TE 525S Carseland standard relay maintenance 5.5 Hours
Daily		  
26-Aug-19 11:30 26-Aug-19 16:30 ALTALINK Outage 151s 44 (151s Strathmore),151s C1 (151s Strathmore) top up low gas on breaker 5 Hours
Daily		  
26-Aug-19 11:30 26-Aug-19 16:30 ALTALINK TE 234S Fort Assiniboine standard relay maintenance 5 Hours
Daily		  
26-Aug-19 11:30 26-Aug-19 16:30 ALTALINK TE 234s T1 (234s Fort Assiniboine) replace failed RS400 switch on T1 5 Hours
Daily		  
26-Aug-19 11:30 26-Aug-19 16:30 ALTALINK TE 870L (262s Rocky Mountain House - 263s Strachan) perform standard relay maintenance 5 Hours
Daily		  
26-Aug-19 11:30 26-Aug-19 16:30 ALTALINK TE 422S Westwood perform settings changes on T1 A87/50/51/T1 SEL387E T1 B87/50/51/51NN/T1 URT60 5 Hours
Daily		  
26-Aug-19 12:00 29-Aug-19 17:30 ALTALINK Outage 166s T2 (166s Dow Chemical Fort Saskatchewan) Replacement of Bushings, Maintenance, Winding Temp Gauge replacement 3.23 Days
Continuous		  
26-Aug-19 13:45 04-Sep-19 15:15 ALTALINK Outage 275s T1 (275s Jenner) tap changer upgrades, maintain, fix leaks, doble, IDD, hydran and bird cover install 9.06 Days
Continuous		  
27-Aug-19 07:00 29-Aug-19 17:00 ALTALINK TE AltaLink TPR Outage 784L OPGW - TPR/SPV outage 2.42 Days
Continuous		  
27-Aug-19 07:30 27-Aug-19 18:30 ALTALINK IO 985L Enmax - Advice substation washing 11 Hours
Daily		  
27-Aug-19 07:30 27-Aug-19 17:30 ALTALINK TE 77s Sagitawah RTU/SCADA update RTU configuration to add new alarms 10 Hours
Daily		  
27-Aug-19 08:00 28-Aug-19 17:00 ALTALINK TE 163s Amoco Empress RTU/SCADA full point checkout 1.38 Days
Continuous		  
27-Aug-19 08:00 30-Aug-19 16:00 ENMAX Outage 5.7TR (ENMAX 5) tapchanger inspection 3.33 Days
Continuous		  
27-Aug-19 08:00 27-Aug-19 18:00 ENMAX, ALTALINK Outage 985L (ENMAX 25 - 74s Janet),ENMAX 25 B240-D133 (ENMAX 25),25B240-D132 (ENMAX 25) substation washing 10 Hours
Continuous		  
27-Aug-19 08:00 27-Aug-19 12:00 ATCO TE 808s 702T (808s Procter & Gamble) read settings from the 702T ITM relay for analysis 4 Hours
Continuous		  
27-Aug-19 08:00 27-Aug-19 18:00 ATCO, ALTALINK TE ATCO Radio Tower,510s Sunnybrook RTU/SCADA,939s Livock RTU/SCADA,951s Thickwood Hills RTU/SCADA upgrading the firewall connecting Livock to Heathfield 10 Hours
Continuous		  
27-Aug-19 08:00 02-Feb-20 16:00 ATCO TE 740S H.R.Milner replace relays on 144 kV bus differential protection as part of 740S rebuild 159.38 Days
Continuous		  
27-Aug-19 08:30 27-Aug-19 16:30 ALTALINK TE 422s Westwood RTU/SCADA SCADA updates for qualitrol & winding temp trips being removed 8 Hours
Daily		  
27-Aug-19 08:30 27-Aug-19 16:30 ALTALINK TE 263S Strachan perform standard relay maintenance 8 Hours
Daily		  
27-Aug-19 08:45 27-Aug-19 10:15 ALTALINK Outage 89s 452 (89s Ellerslie) Replace existing breaker fail protection relay module and breaker control module with C60 module. Function trip test to 89s452 breaker from new breaker failure module. 90 Mins
Daily		  
27-Aug-19 09:00 27-Aug-19 15:00 ALTALINK TE 14s T3 (14s Devon) replace UR card on A protection 6 Hours
Daily		  
27-Aug-19 09:00 28-Aug-19 16:30 ALTALINK TE 68S Willesden Green perform settings changes 31.5 Hours
Daily		  
27-Aug-19 09:15 27-Aug-19 10:45 ALTALINK TE 89S Ellerslie replace existing breaker fail protection relay module and breaker control module with C60 module 90 Mins
Daily		  
27-Aug-19 10:16 27-Aug-19 11:45 ALTALINK Outage 89s 852 (89s Ellerslie) replace existing breaker fail protection relay module and breaker control module with C60 module 89 Mins
Daily		  
27-Aug-19 10:30 27-Aug-19 16:30 ALTALINK Outage 324s 2152 (324s Cassils) urgent top up SF6 on west phase of 324s2152 6 Hours
Continuous		  
27-Aug-19 11:46 27-Aug-19 13:15 ALTALINK Outage 89s 1252 (89s Ellerslie) replace existing breaker fail protection relay module and breaker control module with C60 module 89 Mins
Daily		  
27-Aug-19 13:16 27-Aug-19 14:45 ALTALINK Outage 89s 1952 (89s Ellerslie) replace existing breaker fail protection relay module and breaker control module with C60 module 89 Mins
Daily		  
27-Aug-19 14:46 27-Aug-19 16:15 ALTALINK Outage 89s 2252 (89s Ellerslie) replace existing breaker fail protection relay module and breaker control module with C60 module 89 Mins
Daily		  
28-Aug-19 07:30 28-Aug-19 18:30 ALTALINK IO 1003L Enmax - Advice substation washing 11 Hours
Daily		  
28-Aug-19 08:00 28-Aug-19 16:00 ALTALINK TE 87s 1652 (87s Gaetz) settings changes of sync check and testing 8 Hours
Daily		  
28-Aug-19 08:00 28-Aug-19 17:30 ALTALINK Outage 420s T1 (420s Broadmoor) temperature monitor replacement 9.5 Hours
Daily		  
28-Aug-19 08:00 28-Aug-19 13:00 ALTALINK Outage 33s 113 (33s Spray),113L (20s Ghost - 33s Spray) connect and commission new cables to grounding detector 5 Hours
Daily		  
28-Aug-19 08:00 29-Aug-19 17:30 ALTALINK TE 149s Nisku RTU/SCADA new HMI being installed and tested 1.4 Days
Daily		  
28-Aug-19 08:00 28-Aug-19 16:00 ENMAX TE 162s. 162.2TR 87-T2B Protection 932L Line Protection Upgrade. Settings changes. T-PRO removed from service, transformer will remain protected by redundant protection. 8 Hours
Continuous		  
28-Aug-19 08:00 06-Sep-19 16:00 ENMAX Outage 22.2TR (ENMAX 22) transformer maintenance and Doble test transformer and cables 9.33 Days
Continuous		  
28-Aug-19 08:00 28-Aug-19 18:00 ENMAX, ALTALINK Outage 1003L (74s Janet - ENMAX 25),ENMAX 25 B240-D136 (ENMAX 25),ENMAX 25 B240-D135 (ENMAX 25) substation washing and Doble 25PT240-1003 10 Hours
Continuous		  
28-Aug-19 08:30 29-Aug-19 16:45 ALTALINK Outage 151s T1 (151s Strathmore) maintain and doble VR1 1.34 Days
Continuous		  
28-Aug-19 09:30 28-Aug-19 11:30 ALTALINK Outage 89s 1552 (89s Ellerslie),89s1552 Advice Replace existing breaker fail protection relay module and breaker control module with C60 module. Function trip test to 89s1552 breaker from new breaker failure module. 2 Hours
Daily		  
28-Aug-19 10:00 28-Aug-19 14:00 ALTALINK TE 746s Sherwood Park RTU/SCADA supervisory outage for tap changer filter trouble alarm addition 4 Hours
Daily		  
28-Aug-19 13:00 28-Aug-19 18:00 ALTALINK Outage 33s 76 (33s Spray),76L (115s Mt. Allan - 33s Spray) urgent change of crossarm on structure #19; connect and commission new cables to grounding detector 5 Hours
Daily		  
28-Aug-19 13:00 28-Aug-19 17:00 ALTALINK TE 717L (17s Benalto - 262s Rocky Mountain House) perform standard relay maintenance 4 Hours
Daily		  
29-Aug-19 07:00 02-Sep-19 19:00 ATCO Trans Test 951s SVC (951s Thickwood) on-load testing 4.5 Days
Continuous		  
29-Aug-19 07:45 29-Aug-19 17:15 ALTALINK Outage 68s 152 (68s Amoco Willesden Green),68s T1 (68s Willesden Green) techs to remove 25kV bus RAS scheme (as per Sys Ops/AESO request) 9.5 Hours
Daily		  
29-Aug-19 08:00 02-Sep-19 18:00 ALTALINK TE 123s T1 (123s Banff),123s T2 (123s Banff) trip testing of 123s852 & 123s952 4.42 Days
Daily		  
29-Aug-19 08:00 29-Aug-19 16:00 ALTALINK TE 87s 952 (87s Gaetz) settings changes of sync check and testing 8 Hours
Daily		  
29-Aug-19 08:00 29-Aug-19 12:00 ALTALINK IO 26.81L Enmax Info substation washing 4 Hours
Daily		  
29-Aug-19 08:00 29-Aug-19 15:00 ALTALINK TE 964s Pigeon Lake RTU/SCADA,AltaLink TPR Outage 9675R - upgrade MPLS node 7 Hours
Daily		  
29-Aug-19 08:00 29-Aug-19 16:00 ENMAX TE 162s 2GSU-XF-0002 (162s Beddington) 932L protection upgrade - setting changes 8 Hours
Continuous		  
29-Aug-19 08:00 29-Aug-19 16:00 ENMAX Outage 26.81L. 26.1TR. 26PT138-26.81. 26PT138-Z31 Substation Washing. Check reversing switch 26.1TR. 8 Hours
Continuous		  
29-Aug-19 08:00 29-Aug-19 12:00 ENMAX TE 40.1TR (ENMAX 40) line protection upgrade 4 Hours
Continuous		  
29-Aug-19 08:00 29-Aug-19 12:00 ENMAX TE 32.1TR (ENMAX 32) line protection upgrade 4 Hours
Continuous		  
29-Aug-19 08:00 29-Aug-19 16:00 ENMAX TE 40.81L (ENMAX 40 - ENMAX 41) line protection upgrade 8 Hours
Continuous		  
29-Aug-19 08:00 29-Aug-19 16:00 ENMAX TE 26.81L (ENMAX 32 - ENMAX 26) line protection upgrade 8 Hours
Continuous		  
29-Aug-19 08:00 29-Aug-19 12:00 ENMAX TE ENMAX 40 wiring changes to 86-T1 required for 32.83 line protection upgrade 4 Hours
Continuous		  
29-Aug-19 08:00 29-Aug-19 12:00 ENMAX TE ENMAX 32 wiring changes to 86-T1 required for 32.83 line protection upgrade 4 Hours
Continuous		  
29-Aug-19 08:00 29-Aug-19 12:00 ENMAX TE ENMAX 40 wiring changes to 487B required for 32.83 line protection upgrade 4 Hours
Continuous		  
29-Aug-19 08:30 29-Aug-19 16:00 ALTALINK TE 618S Riverbend relay maintenance 7.5 Hours
Daily		  
29-Aug-19 09:00 29-Aug-19 14:00 ALTALINK Outage 727L (65s High River - 727L52S) replace 138kv strain insulators 5 Hours
Daily		  
29-Aug-19 09:00 29-Aug-19 10:00 ALTALINK TE 244S Bowmanton L16A protection outage will be taken to install relay’s password jumper 60 Mins
Daily		  
29-Aug-19 10:00 29-Aug-19 11:00 ALTALINK TE 244S Bowmanton L2A protection outage will be taken to install relay’s password jumper 60 Mins
Daily		  
29-Aug-19 12:00 29-Aug-19 18:00 ALTALINK Outage 522AL (868s Keephills Make-Up - 522L tap),522L (522L8 - 522L tap),522L (866s Sundance Make-Up - 522AL tap) Close open point on 522AL after work at 868s complete 6 Hours
Daily		  
29-Aug-19 12:00 29-Aug-19 16:00 ENMAX TE 40.2TR (ENMAX 40) line protection upgrade 4 Hours
Continuous		  
29-Aug-19 12:00 29-Aug-19 16:00 ENMAX TE 32.2TR (ENMAX 32) line protection upgrade 4 Hours
Continuous		  
29-Aug-19 12:00 29-Aug-19 16:00 ENMAX TE ENMAX 40 wiring changes to 86-T2 @ENMAX 40 required for 32.83 line protection upgrade 4 Hours
Continuous		  
29-Aug-19 12:00 29-Aug-19 16:00 ENMAX TE ENMAX 32 wiring changes to 86-T2 @ENMAX 32 required for 32.83 line protection upgrade 4 Hours
Continuous		  
30-Aug-19 08:00 30-Aug-19 16:00 ENMAX Outage 26.83L. 26.2TR. 26PT138-26.83. 26PT138-Z32 Substation Washing. Check reversing switch 26.2TR. Repair hotspot on SW81 8 Hours
Continuous		  
30-Aug-19 12:00 30-Aug-19 18:00 ALTALINK IO 26.83L Enmax Info substation washing 6 Hours
Daily		  

Prepared On:   2019-08-21   3:27:12 PM

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

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