Alberta Electric System Operator
System Co-ordination Plan
2020-02-20 to 2020-02-28
Approved Outages

Previous Version
Download CSV

From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
04-Oct-18 09:00 24-Feb-20 07:59 Syncrude Outage Mildred T3 (Syncrude Mildred Lake) damaged transformer repairs (P2039) 508 Days
Continuous		  
05-Oct-18 08:00 31-Dec-20 16:00 EPCOR IO Rossdale C2 (Rossdale) forced outage 818.38 Days
Continuous		  
24-Oct-18 01:13 31-Dec-20 16:00 EPCOR IO Rossdale C1 (Rossdale) forced outage 799.66 Days
Continuous		  
01-May-19 07:00 29-Feb-20 17:00 EPCOR TE 987S Cloverbar upgrade 72 kV BF/anti-islanding protection 304.46 Days
Continuous		  
27-Aug-19 08:00 13-Apr-20 16:00 ATCO TE 740S H.R.Milner replace relays on 144 kV bus differential protection as part of 740S rebuild 230.33 Days
Continuous		  
19-Sep-19 08:00 19-Jun-20 16:00 ATCO Outage 826s 504R (826s Marguerite Lake) emergency: move reactor from 826s to 732s 274.33 Days
Continuous		  
28-Oct-19 08:00 01-May-20 17:00 ATCO TE 740s H.R.Milner RTU/SCADA part of the HRM rebuild project, download controller and test 186.38 Days
Continuous		  
24-Dec-19 12:00 29-Feb-20 17:00 ATCO Outage 861S 602T (861S Eurekariver) forced outage, low gas pressure 67.21 Days
Continuous		  
01-Jan-20 08:00 31-Dec-20 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29L3-167, 29L3-141 , 29PL3-63, 29PL3-183, 29PT-241 & 29PL7-4, 29PP-47 & 29PT-576, 29PP-46 & 29PT-575, 144KV NODE,29PT-246, 144KV NODE,29PT-238, 29PT-257 & 29PL7-4,29PT-260 & 29PL7-4, 29PT-250&29PL7-3,29PT-236 & 29PL7-3,29PL3-153/152/196, 29PT-128 & 29PL7-10 365.42 Days
Daily		  
06-Jan-20 07:00 29-Feb-20 17:00 EPCOR TE 814S Bellamy relay maintenance 54.42 Days
Daily		  
06-Jan-20 07:00 29-Feb-20 17:00 EPCOR TE 987S Cloverbar relay maintenance 54.42 Days
Daily		  
06-Jan-20 07:00 30-Apr-20 17:00 EPCOR TE 330P Genesee relay maintenance 115.38 Days
Continuous		  
06-Jan-20 07:00 31-Mar-20 17:00 EPCOR TE Rossdale relay maintenance 85.38 Days
Daily		  
20-Jan-20 07:00 10-Mar-20 17:00 EPCOR TE 665S Dome relay maintenance 50.38 Days
Daily		  
20-Jan-20 08:00 31-Mar-20 16:00 ENMAX TE ENMAX 8 installation of new switchgear 71.29 Days
Continuous		  
20-Jan-20 08:00 31-Mar-20 16:00 ENMAX TE ENMAX 8 installation of new switchgear 71.29 Days
Continuous		  
20-Jan-20 08:00 31-Mar-20 16:00 ENMAX Outage ENMAX 8 138kV Bus, 8.1TR (ENMAX 8), 8.2TR (ENMAX 8) installation of new switchgear and protection 71.29 Days
Continuous		  
20-Jan-20 08:00 31-Mar-20 16:00 ENMAX TE ENMAX 8 138kV Bus installation of new switchgear 71.29 Days
Daily		  
24-Jan-20 08:00 28-Feb-20 16:00 ATCO Outage 2029s ACF13 (2029s Heathfield) Forced outage repairs 35.33 Days
Continuous		  
27-Jan-20 13:00 28-Feb-20 16:00 ATCO Outage 2029s ACF21 (2029s Heathfield) forced outage - inspection and repair after trip 32.13 Days
Continuous		  
28-Jan-20 07:00 31-Mar-20 17:00 EPCOR IO EPCOR Network firmware upgrades 63.38 Days
Continuous		  
28-Jan-20 15:30 21-Feb-20 16:00 ATCO Outage 800s 501C (800s Friedenstal), 800s 501 (800s Friedenstal), 800s 501C2 (800s Friedenstal) forced outage 24.02 Days
Continuous		  
30-Jan-20 07:00 09-Mar-20 18:00 ALTALINK IO 551L (945s Sunshine Village - 953s Lake Louise) energize/de-energize bypass line 39.42 Days
Continuous		  
01-Feb-20 07:00 29-Feb-20 17:00 EPCOR IO 330P Genesee annual update 28.42 Days
Daily		  
01-Feb-20 07:00 29-Feb-20 17:00 EPCOR TE 511S Victoria relay maintenance 28.42 Days
Daily		  
03-Feb-20 11:30 24-Feb-20 18:00 ALTALINK Outage 310P T36 (310p Sundance) urgent repair of oil leaks 21.27 Days
Continuous		  
08-Feb-20 11:03 29-Feb-20 18:00 ALTALINK Outage 895s T2 (895s Suffield) forced outage 21.29 Days
Continuous		  
10-Feb-20 07:00 31-May-20 17:00 EPCOR RB 1139L (367s Harry Smith - EPCOR Riverview) 1139L A/R block at both Harry Smith and Riverview S/S 111.38 Days
Continuous		  
10-Feb-20 07:00 31-May-20 17:00 EPCOR RB 1164L (EPCOR Riverview - 816s Petrolia) 1164L A/R block at both Petrolia and Riverview S/S 111.38 Days
Continuous		  
10-Feb-20 08:00 23-Feb-20 17:00 ATCO Outage 7L64 (930s Arcenciel - 7L64D5) replacing structures and crossarms 13.38 Days
Continuous		  
10-Feb-20 08:00 20-Feb-20 16:00 ENMAX RB 2.83L (ENMAX 2 - ENMAX 5 - ENMAX 13) CP rail tower relocate 10.33 Days
Continuous		  
10-Feb-20 13:30 21-Feb-20 14:00 ATCO Outage 7L230 (7L230 tap - 743s Sarah Lake) replace Xarms and insulators 11.02 Days
Continuous		  
12-Feb-20 05:30 26-Feb-20 18:30 ALTALINK RB 551L (123s Banff - 953s Lake Louise) power line construction 14.54 Days
Daily		  
12-Feb-20 08:00 21-Feb-20 17:00 ALTALINK TE 410s Josephburg RTU/SCADA RTU update to add fault location 9.38 Days
Daily		  
12-Feb-20 08:00 21-Feb-20 17:00 ALTALINK TE 410S Josephburg testing fault locating 9.38 Days
Daily		  
12-Feb-20 08:00 21-Feb-20 17:00 ALTALINK TE 71S Lamoureux fault locating 9.38 Days
Daily		  
12-Feb-20 08:00 21-Feb-20 17:00 ALTALINK TE 54S Fort Saskatchewan fault locating 9.38 Days
Daily		  
12-Feb-20 08:00 21-Feb-20 17:00 ALTALINK TE 452S B.F. Goodrich Fort Saskatchewan fault locating 9.38 Days
Daily		  
12-Feb-20 08:00 21-Feb-20 17:00 ALTALINK TE 409S Shell Scotford fault locating 9.38 Days
Daily		  
12-Feb-20 08:00 21-Feb-20 17:00 SHELL TE 402S Shell Aosp1 fault locating 9.38 Days
Daily		  
12-Feb-20 08:00 21-Feb-20 17:00 ALTALINK TE 233s Beamer fault locating 9.38 Days
Daily		  
13-Feb-20 08:00 21-Feb-20 20:00 SUNCOR Outage 29PL6-3 (29EDD-1 Millennium - 836s Steepbank) maintenance 8.5 Days
Continuous		  
14-Feb-20 07:00 23-Feb-20 18:00 ALTALINK IO 551L (123s Banff - 945s Sunshine Village) energize/de-energize bypass line between Str38 and Str52 to allow for rebuild of 551L (section 1) 9.46 Days
Continuous		  
15-Feb-20 07:00 30-Apr-20 17:00 EPCOR TE 805S Jasper 240/72 kV relay blocking for relay maintenance 75.38 Days
Daily		  
17-Feb-20 07:00 21-Feb-20 17:00 EPCOR Outage Poundmaker 2402 (Poundmaker), Poundmaker 2403 (Poundmaker), Poundmaker T2 (Poundmaker) relay maintenance 4.42 Days
Continuous		  
17-Feb-20 07:00 21-Feb-20 19:00 ALTALINK TE 95s Imperial Oil Edmonton RTU/SCADA RTU update 4.5 Days
Daily		  
17-Feb-20 07:00 21-Feb-20 19:00 ALTALINK TE 95S Imperial Oil Edmonton protection upgrades (T2, 737L) 4.5 Days
Daily		  
17-Feb-20 07:00 21-Feb-20 19:00 ALTALINK TE 38S East Edmonton protection upgrades (737L) 4.5 Days
Daily		  
17-Feb-20 07:00 21-Feb-20 19:00 ALTALINK TE 38s East Edmonton RTU/SCADA RTU update 4.5 Days
Daily		  
17-Feb-20 07:00 21-Feb-20 17:30 ALTALINK TE 723S Christina Lake test fault locating 4.44 Days
Daily		  
17-Feb-20 07:00 21-Feb-20 17:30 ALTALINK TE 723s Christina Lake RTU/SCADA adding line fault location for 1090L and 957L 4.44 Days
Daily		  
17-Feb-20 07:00 21-Feb-20 17:30 ALTALINK TE 698S Jackfish isolate 698s 1090L (L1) relay for fault locating work @ 723s 4.44 Days
Daily		  
17-Feb-20 07:00 21-Feb-20 17:30 ALTALINK TE 72S Leismer isolate 72s 957L (L7) relay for fault locating work @ 723s 4.44 Days
Daily		  
17-Feb-20 08:30 22-Feb-20 16:30 ALTALINK, EPCOR Outage 38s 738W (38s East Edmonton), 738L (38s East Edmonton - 95s Imperial Oil Edmonton) upgrade protections and transfer trip scheme on 738L between 95s and 38s 5.33 Days
Continuous		  
17-Feb-20 08:30 21-Feb-20 15:00 ATCO TE 755S Cordel test relays 4.27 Days
Continuous		  
18-Feb-20 07:00 21-Feb-20 17:30 EXPPIPE1 TE 762s Conklin RTU/SCADA adding line fault location for 971L 3.44 Days
Daily		  
18-Feb-20 07:00 21-Feb-20 17:30 EXPPIPE1 TE 762S Conklin adding line fault location on A and B protections for 971L 3.44 Days
Daily		  
18-Feb-20 07:00 21-Feb-20 17:30 ALTALINK TE 154S Black Spruce 154s 971L (L3) relay for fault locating work @ 762s 3.44 Days
Daily		  
18-Feb-20 07:00 21-Feb-20 17:30 ATCO TE 2075S Newell firmware upgrade 3.44 Days
Daily		  
18-Feb-20 07:30 21-Feb-20 17:30 ALTALINK TE 17s Benalto RTU/SCADA RTU update 3.42 Days
Daily		  
18-Feb-20 08:00 20-Feb-20 16:00 ENMAX Outage 33.83L (ENMAX 41 - ENMAX 33), 33.1TR (ENMAX 33) HV SW maintenance 2.33 Days
Continuous		  
18-Feb-20 08:00 06-Mar-20 16:00 CMH, Medicine Hat Outage MH-30L (MH69s3 South Ridge - MH69s5 NE Crescent Heights), MH69s3 MH69_308 (MH69s3 South Ridge), MH69s5 MH69_502 (MH69s5 NE Crescent Height) replace insulators 17.33 Days
Continuous		  
18-Feb-20 08:00 21-Feb-20 18:00 ALTALINK TE 358s Amoco Brazeau RTU/SCADA, 445s Elk River RTU/SCADA tower replacement @ 358s 3.42 Days
Continuous		  
18-Feb-20 08:00 20-Feb-20 17:00 ALTALINK TE AltaLink Radio Tower 9448R Leslieville MPLS upgrade 2.38 Days
Daily		  
18-Feb-20 08:00 20-Feb-20 17:00 ALTALINK TE 766s Nevis MPLS - TPR upgrade MPLS node and firewall 2.38 Days
Daily		  
18-Feb-20 08:15 22-Feb-20 16:45 ALTALINK Outage 95s T1 (95s Imperal Oil Edmonton) upgrade protections and transfer trip scheme on 738L between 95s and 38s 4.35 Days
Daily		  
18-Feb-20 09:00 21-Feb-20 16:00 ALTALINK TE 63s Red Deer RTU/SCADA checkouts, cleanup and corrections to the RTU and HMI configurations 3.29 Days
Continuous		  
18-Feb-20 09:00 26-Feb-20 17:00 ATCO Outage 7L63 (783s Cadotte River - 812s Norcen) 7l63 crossarm replacement 8.33 Days
Continuous		  
18-Feb-20 09:00 27-Mar-20 16:00 ATCO Outage 9L100 (801s Anderson - 807s Sheerness), 807s 902 (807s Sheerness), 807s 902T (807s Sheerness) maintenance & 9L100 protection upgrade 38.25 Days
Continuous		  
18-Feb-20 09:30 27-Feb-20 17:30 ALTALINK RB 892L (895s Suffield - 244s Bowmanton) components/structure replacements (structures #40 - 305) 9.33 Days
Daily		  
18-Feb-20 10:00 24-Feb-20 17:00 ALTALINK TE 166S Dow Chemical Fort Saskatchewan testing fault locating on the following relays: 707L (L2) (Isolate 54s 707L (L7)) 787L (L3) 862L (L1) (Isolate 258s 862L (L2)) 899L (L4) 6.29 Days
Daily		  
18-Feb-20 10:00 24-Feb-20 17:00 ALTALINK TE 166s Dow Chemical Fort Saskatchewan RTU/SCADA RTU update to add fault location on 707L, 787L, 862L & 899L 6.29 Days
Daily		  
18-Feb-20 10:00 24-Feb-20 17:00 ALTALINK TE 166S Dow Chemical Fort Saskatchewan fault locating work 6.29 Days
Daily		  
18-Feb-20 10:00 24-Feb-20 17:00 ALTALINK TE 54S Fort Saskatchewan isolate 54s 707L (L7) relay for fault locating work @ 166s 6.29 Days
Daily		  
18-Feb-20 12:00 08-Mar-20 18:30 ALTALINK Outage 310p T30 (310p Sundance) corrosive sulphur mitigation 19.23 Days
Continuous		  
18-Feb-20 12:15 20-Feb-20 17:45 ALTALINK Outage 794L (157s Lac La Biche - 819s Whitby Lake) replace components str's range 9-258 2.23 Days
Continuous		  
18-Feb-20 12:15 20-Feb-20 17:45 ATCO IO 7L794 AltaLink doing work on 794L 2.23 Days
Continuous		  
18-Feb-20 12:30 21-Feb-20 17:30 ALTALINK RB 615L (104s Watson Creek - 602s Cold Creek) urgent fire mitigation structure range (1-143) 3.21 Days
Continuous		  
19-Feb-20 07:00 23-Feb-20 17:00 ALTALINK Outage 786L (799s Coleman - Natal) Emergency Repair: install clampstar assemblies over hot sleeves and replace hot conductor on multiple spans between Str 73 - 121 4.42 Days
Continuous		 AB-BC
19-Feb-20 07:15 21-Feb-20 17:45 ALTALINK Outage 870L (262s Rocky Mountain House - 263s Strachan), 719L (575s Sundre - 378s Shell Caroline) emergency repair: structure/post insulators replacement (Strs 33, 133, 243) 2.44 Days
Continuous		  
19-Feb-20 08:00 20-Feb-20 16:00 ENMAX Outage 2.4TR (ENMAX 2) substation building upgrades 1.33 Days
Continuous		  
19-Feb-20 08:00 25-Feb-20 17:00 ALTALINK TE 409s Shell Scotford RTU/SCADA RTU update 6.38 Days
Daily		  
19-Feb-20 08:00 25-Feb-20 17:00 ALTALINK TE 409S Shell Scotford testing fault locating on the following relays 856L, 857L, ALC 01L, ALC 02L 6.38 Days
Daily		  
20-Feb-20 07:00 21-Feb-20 15:30 ATCO TE 2029s 1200SST2 (2029s Heathfield) firmware upgrade 1.35 Days
Continuous		  
20-Feb-20 07:00 28-Feb-20 16:00 ALTALINK IO 951s SVC ATCO - Info to correct deficiencies that were identified during the initial energization period of Thickwood SVC 8.38 Days
Continuous		  
20-Feb-20 07:30 20-Feb-20 17:30 ALTALINK TE 337s Canada Liquidair RTU/SCADA RTU update to add new transformer monitoring alarms for T2 10 Hours
Daily		  
20-Feb-20 08:00 28-Feb-20 16:00 ATCO Outage 951s SVC (951s Thickwood) maintenance 8.33 Days
Continuous		  
20-Feb-20 08:00 21-Feb-20 16:00 ATCO TE ATCO Radio Tower upgrade of APRISA radios at Fox Creek tower and Muir Substation 1.33 Days
Continuous		  
20-Feb-20 08:30 20-Feb-20 17:30 ALTALINK IO 7L224(A774s-650s)Advice for ATCO ATCO Clearance mitigation work. 9 Hours
Daily		  
20-Feb-20 09:00 20-Feb-20 13:00 ATCO Outage 7L583 (970s Bourque - 715s Leming Lake) maintenance 4 Hours
Continuous		  
20-Feb-20 09:00 20-Feb-20 16:00 ATCO IO ATCO's system operations centre operating from the SOC2 7 Hours
Continuous		  
20-Feb-20 09:00 20-Feb-20 17:00 ATCO Outage 7L224 (774s Monitor - 650s Hansman Lake) Clearance Mitigation on one structure 8 Hours
Continuous		  
20-Feb-20 09:00 20-Feb-20 16:00 ALTALINK IO Back Up Control Centre ATCO Info ATCO will be performing an activation of its System Operations Centre (SOC2) 7 Hours
Daily		  
20-Feb-20 09:30 20-Feb-20 16:30 ATCO TE 715S Leming Lake 21B relay preventative maintenance on 7L583 7 Hours
Continuous		  
20-Feb-20 10:00 20-Feb-20 14:00 ALTALINK TE 534s Eckville RTU/SCADA radio maintenance 4 Hours
Daily		  
20-Feb-20 11:00 20-Feb-20 16:00 ATCO Outage 783s 701T (783s Cadotte River) installing VFI on 5C1L 5 Hours
Continuous		  
20-Feb-20 12:00 21-Feb-20 15:00 ATCO TE 7L08 (834s Wesley Creek - 830s Carmon), 7L12 (834s Wesley Creek - 7L12D2), 7L27 (834s Wesley Creek - A793s West Peace River), 9L11 (834s Wesley Creek - 813s Little Smoky), 9L15 (834s Wesley Creek - 876s Brintnell) relay firmware upgrades 27 Hours
Continuous		  
20-Feb-20 22:00 21-Feb-20 04:00 ENMAX Outage 2.83L (ENMAX 2 - ENMAX 5 - ENMAX 13) rail tower relocate 6 Hours
Continuous		  
21-Feb-20 04:00 24-Feb-20 22:00 ENMAX Outage 2.83L (ENMAX 5 - 2.83L tap) CP Rail tower relocate, phasing required on return to service 3.75 Days
Continuous		  
21-Feb-20 07:00 28-Feb-20 18:00 ALTALINK Outage 795L (121s Brooks - 421s Hays) structure replacements and modifications for line clearance mitigation between structure 170 to 176 7.46 Days
Continuous		  
21-Feb-20 07:00 21-Feb-20 17:00 EPCOR Outage 805s J724 (805s Jasper), 72JW19 (805s Jasper - Woodcroft) relay maintenance op-checks 10 Hours
Continuous		  
21-Feb-20 08:00 22-Feb-20 16:00 ENMAX Outage 33.84L (ENMAX 43 - ENMAX 33), ENMAX 33 B138-33.84 (ENMAX 33), ENMAX 43 B138-33.84 (ENMAX 43), 33.2TR (ENMAX 33) maintenance 1.33 Days
Continuous		  
21-Feb-20 08:00 21-Feb-20 17:00 EPCOR Outage Rossdale RR729 (Rossdale) Substation training 9 Hours
Continuous		  
21-Feb-20 09:00 21-Feb-20 17:00 BCH TE 5L94 (Cranbrook - 102s Langdon), 5L92 (Cranbrook - Selkirk) protection system outage one at a time 8 Hours
Continuous		  
21-Feb-20 09:30 21-Feb-20 15:30 ATCO TE 7L91 (715s Leming Lake - 826s Marguerite Lake) relay preventative maintenance 6 Hours
Continuous		  
21-Feb-20 13:30 21-Feb-20 16:30 ATCO, ALTALINK Outage 7L230 (69s North Barrhead - 7L230 tap), 7L230 (7L230 tap - 743s Sarah Lake), 888AL (234s Fort Assiniboine - 7L230 tap) ATCO replace X-arms and line mitigation 3 Hours
Daily		  
22-Feb-20 07:00 22-Feb-20 19:00 ALTALINK TE 95s Imperial Oil Edmonton RTU/SCADA RTU update 12 Hours
Daily		  
22-Feb-20 07:00 22-Feb-20 19:00 ALTALINK TE 38S East Edmonton protection upgrades (737L) 12 Hours
Daily		  
22-Feb-20 07:00 22-Feb-20 19:00 ALTALINK TE 95S Imperial Oil Edmonton protection upgrades (T2, 737L) 12 Hours
Daily		  
22-Feb-20 07:00 22-Feb-20 19:00 ALTALINK TE 38s East Edmonton RTU/SCADA RTU update 12 Hours
Daily		  
23-Feb-20 07:00 23-Feb-20 17:00 EPCOR Outage 72JM18 (805s Jasper - Meadowlark), 805s J722 (805s Jasper) relay maintenance op-checks 10 Hours
Continuous		  
23-Feb-20 08:00 23-Feb-20 18:00 ENMAX Outage 2.83L (ENMAX 13 - 2.83L tap), 5.10TR (ENMAX 5), 5.9TR (ENMAX 5) switch maintenance, check reversing switch 10 Hours
Continuous		  
24-Feb-20 07:00 28-Feb-20 19:00 ALTALINK TE 38s East Edmonton RTU/SCADA RTU update 4.5 Days
Daily		  
24-Feb-20 07:00 28-Feb-20 19:00 ALTALINK TE 38S East Edmonton protection upgrades 4.5 Days
Daily		  
24-Feb-20 07:00 28-Feb-20 19:00 ALTALINK TE 95S Imperial Oil Edmonton protection upgrades 4.5 Days
Daily		  
24-Feb-20 07:00 28-Feb-20 19:00 ALTALINK TE 95s Imperial Oil Edmonton RTU/SCADA RTU update 4.5 Days
Daily		  
24-Feb-20 07:00 28-Feb-20 17:00 ALTALINK Outage 170L (632s Russell - 799s Coleman) emergency repair 4.42 Days
Continuous		 AB-BC
24-Feb-20 07:00 28-Feb-20 17:00 EPCOR Outage 1098L (805s Jasper - Poundmaker), 805s J2407 (805s Jasper), 805s J2401 (805s Jasper), Poundmaker 2401 (Poundmaker), Poundmaker 2402 (Poundmaker) relay maintenance 4.42 Days
Continuous		  
24-Feb-20 07:00 28-Feb-20 17:00 ALTALINK IO 1098L (E805s-EPOUND_M) Epcor - Info EPCOR relay maintenance and op-checks. 4.42 Days
Continuous		  
24-Feb-20 07:00 28-Feb-20 17:30 ALTALINK TE 62S Brazeau testing fault locating 4.44 Days
Daily		  
24-Feb-20 07:00 28-Feb-20 17:30 ALTALINK TE 62s Brazeau RTU/SCADA adding line fault location for 955L, 202L, & 801L 4.44 Days
Daily		  
24-Feb-20 07:00 05-Mar-20 17:00 ALTALINK TE 28S West Brooks fault locating addition 10.42 Days
Daily		  
24-Feb-20 07:00 05-Mar-20 17:00 ALTALINK TE 324S Cassils adding line fault location 10.42 Days
Daily		  
24-Feb-20 07:00 05-Mar-20 17:00 ALTALINK TE 324s Cassils RTU/SCADA adding line fault location 10.42 Days
Daily		  
24-Feb-20 07:00 27-Feb-20 17:30 ATCO TE 2075S Newell relay firmware upgrade for breakers 911, 912 916 and 917 3.44 Days
Daily		  
24-Feb-20 08:00 25-Feb-20 18:00 ENMAX Outage 15.62L (ENMAX 15 - ENMAX 16), 15.2TR (ENMAX 15) switch maintenance 1.42 Days
Continuous		  
24-Feb-20 08:00 25-Feb-20 16:00 ENMAX, ALTALINK Outage MD138-2-1CAP (ENMAX 2), 5s C4 (5s East Calgary), 5s C3 (5s East Calgary) substation building upgrades 1.33 Days
Continuous		  
24-Feb-20 08:00 28-Feb-20 17:00 ALTALINK Outage 95s T2 (95s Imperial Oil Edmonton), 737L (38s East Edmonton - 95s Imperial Oil Edmonton) upgrade teleprotection / transfer trip scheme and add supervisory control to high side T2 MOD 4.38 Days
Continuous		  
24-Feb-20 08:00 01-Mar-20 17:00 ATCO Outage 7L59 (789s Keg River - 7L59 tap) FAC-008 line to ground mitigation 6.38 Days
Continuous		  
24-Feb-20 08:00 17-Mar-20 20:00 Syncrude Outage Mildred T3 (Syncrude Mildred Lake) de-energize temporary transformer to install new transformer T3 22.46 Days
Continuous		  
24-Feb-20 08:00 27-Feb-20 15:00 ENMAX Outage 14.1TR (ENMAX 14) adjust breaker alignment and check reversing switch 3.29 Days
Continuous		  
24-Feb-20 08:00 24-Feb-20 16:00 ENMAX TE ENMAX 25 relay, protection testing 8 Hours
Daily		  
24-Feb-20 08:30 28-Feb-20 16:00 ATCO TE 755S Cordel relay testing
4.31 Days
Continuous		  
24-Feb-20 09:00 28-Feb-20 16:00 ALTALINK TE 63s Red Deer RTU/SCADA final checkouts, cleanup and corrections to the RTU and HMI configurations 4.29 Days
Continuous		  
24-Feb-20 09:00 27-Feb-20 17:00 ATCO Outage 7L53 Insulator and Arm Changes 3.33 Days
Continuous		  
24-Feb-20 09:00 27-Feb-20 17:00 ALTALINK TE 28s West Brooks RTU/SCADA SCADA configuration update 3.33 Days
Daily		  
24-Feb-20 09:00 27-Feb-20 17:00 ALTALINK IO 7L53 (A706s - A700s) ATCO Info ATCO - insulator and arm changes 3.33 Days
Continuous		  
24-Feb-20 09:00 03-Mar-20 18:00 ALTALINK Outage 912L/9L912 (63s - A766s Nevis) GOI Urgent Line Clearance on 912L due to public safety hazard in high wind conditions. 8.38 Days
Continuous		  
24-Feb-20 09:30 27-Feb-20 17:30 ALTALINK RB 763L (28s West Brooks - 158s Vauxhall), 763AL (447s Enchant - 763AL1) components/structure replacements (763AL Str 92-96) 3.33 Days
Daily		  
24-Feb-20 09:30 25-Feb-20 17:00 ATCO TE 743S Sarah Lake, 743s Sarah Lake 144kV Bus relay testing 31.5 Hours
Continuous		  
24-Feb-20 09:30 03-Mar-20 17:30 ALTALINK RB 914L (87s Gaetz - 63s Red Deer) R/B for shared towers with 912L/9L912 GOI 8.33 Days
Continuous		  
24-Feb-20 10:00 28-Feb-20 14:00 ATCO Outage 7L90 (813s Little Smoky - 7L90D2) line mitigation 4.17 Days
Continuous		  
24-Feb-20 10:00 28-Feb-20 14:00 ALTALINK IO 7L90 (A813s- 7L90D2) ATCO - Info ATCO maintenance 4.17 Days
Continuous		  
24-Feb-20 10:00 24-Feb-20 13:00 ATCO TE 739S Edith Lake relay testing 3 Hours
Continuous		  
24-Feb-20 10:00 03-Mar-20 17:00 ATCO IO 9L912 AltaLink emergency request:
urgent line clearance on 912L due to public safety hazard in high wind conditions.		 8.29 Days
Continuous		  
24-Feb-20 12:00 24-Feb-20 16:30 ALTALINK TE 420s Broadmoor RTU/SCADA updates for qualitrol winding temp alarms 4.5 Hours
Daily		  
24-Feb-20 12:00 27-Feb-20 16:00 ATCO TE 951s Thickwood Hills RTU/SCADA addition of soft alarms from siemens control system 3.17 Days
Continuous		  
24-Feb-20 12:00 24-Feb-20 16:30 ALTALINK TE 370S North Lethbridge standard relay maintenance 4.5 Hours
Daily		  
24-Feb-20 12:30 24-Feb-20 16:30 ALTALINK TE 15S Fort Macleod standard relay maintenance 4 Hours
Daily		  
24-Feb-20 13:00 24-Feb-20 17:00 ALTALINK TE 183s 445 (183s Underwood), 445L (170s Pike - 183s Underwood) settings changes of sync check and testing 4 Hours
Daily		  
24-Feb-20 13:00 25-Feb-20 16:30 ALTALINK TE 359S Esso West Pembina standard relay maintenance 27.5 Hours
Daily		  
24-Feb-20 14:00 24-Feb-20 17:00 ATCO TE 739S Edith Lake testing 144 kV bus protection and lockouts 3 Hours
Continuous		  
24-Feb-20 14:00 26-Feb-20 16:00 ALTALINK TE 58S Edson standard relay maintenance 2.08 Days
Daily		  
24-Feb-20 22:00 25-Feb-20 04:00 ENMAX Outage 2.83L CP Rail Tower Relocate. Install 5 sub leg at t-tap 6 Hours
Continuous		  
25-Feb-20 07:00 25-Feb-20 17:00 SUNCOR Outage 635EDD-1001 635-752-642 (635EDD-1001) breaker outage for brick unit replacement 10 Hours
Continuous		  
25-Feb-20 08:00 27-Feb-20 17:45 ALTALINK Outage 794L (157s Lac La Biche - 819s Whitby Lake) replace components str's range 9-258 2.41 Days
Continuous		  
25-Feb-20 08:00 25-Feb-20 16:00 ATCO, ALTALINK TE ATCO Radio Tower, 9L913 (69s North Barrhead - 732s Mitsue), 6L126 (515L tap - 743s Sarah Lake), 7L55 (809s Louise Creek - 743s Sarah Lake) move ethernet and t1's to new radios 8 Hours
Continuous		  
25-Feb-20 08:00 28-Feb-20 16:00 ATCO Outage 7L45 Raise power poles for mitigation, use phaseraiser system to raise line, Associated with 7L46 HOP # 2-51016 3.33 Days
Continuous		  
25-Feb-20 08:00 28-Feb-20 16:00 ATCO RB 7L46 (845s Big Mountain - 813s Little Smoky) raise power poles for mitigation, associated with 7L45 outage 3.33 Days
Daily		  
25-Feb-20 08:00 25-Feb-20 17:00 ALTALINK TE 107s Westfield RTU/SCADA radio maintenance (9274R) 9 Hours
Daily		  
25-Feb-20 08:00 25-Feb-20 16:00 ALTALINK TE 9L913 TPR Channel A - Atco Info move ethernet and T1's to new radios 8 Hours
Daily		  
25-Feb-20 08:00 26-Feb-20 16:00 ALTALINK TE 65s High River RTU/SCADA upgrade MPLS node 1.33 Days
Daily		  
25-Feb-20 08:00 26-Feb-20 16:00 ENMAX TE ENMAX 34 relay, protection testing for 69 kV BD zone 21 1.33 Days
Continuous		  
25-Feb-20 08:00 25-Feb-20 17:00 ATCO TE 856s 505R (856s Kinosis) relay testing 9 Hours
Continuous		  
25-Feb-20 08:00 26-Feb-20 17:00 ATCO TE 856s 707C (856s Kinosis), 856S Kinosis relay testing 1.38 Days
Continuous		  
25-Feb-20 08:00 25-Feb-20 16:30 ALTALINK TE 535S Joffre perform standard relay maintenance 8.5 Hours
Daily		  
25-Feb-20 08:00 26-Feb-20 18:00 ALTALINK Outage 661s T1 (661s Laura Lake) replace oil and fix leaks 1.42 Days
Continuous		  
25-Feb-20 08:30 25-Feb-20 15:30 ALTALINK TE 723s T1 (723s Christina Lake) remove transformer alarms from qualitrol 7 Hours
Daily		  
25-Feb-20 08:30 25-Feb-20 16:00 ALTALINK TE 723s Christina Lake RTU/SCADA remove transformer alarms 7.5 Hours
Daily		  
25-Feb-20 08:30 25-Feb-20 16:30 ALTALINK TE 320P Keephills update relays 8 Hours
Daily		  
25-Feb-20 08:30 25-Feb-20 18:00 ALTALINK Outage 521AL (867s Sundance Blow-Down - 521L tap), 867s T1 (867s Sundance Blow-Down) urgent repair on 521AL structure 1 broken anchor. 9.5 Hours
Daily		  
25-Feb-20 08:30 25-Feb-20 16:30 ALTALINK TE 421S Hays perform standard relay maintenance 8 Hours
Continuous		  
25-Feb-20 08:45 26-Feb-20 16:30 ALTALINK TE 385S Spring Coulee perform standard relay maintenance 31.75 Hours
Daily		  
25-Feb-20 09:00 25-Feb-20 17:00 ALTALINK Outage 102s 252 (102s Langdon) urgent work to prevent breaker lockout due to low SF6 gas 8 Hours
Daily		  
25-Feb-20 12:15 27-Feb-20 17:45 ATCO IO 7L794 AltaLink doing work on 794L 2.23 Days
Continuous		  
25-Feb-20 13:00 25-Feb-20 17:00 ALTALINK TE 633L (56s Boyle - 405s Waupisoo) setting changes of sync check and testing 4 Hours
Daily		  
26-Feb-20 07:30 26-Feb-20 17:30 ALTALINK Outage 384s 834 (384s Keystone), 834L (320p Keephills - 384s Keystone) maintenance on 384s834 10 Hours
Daily		  
26-Feb-20 08:00 27-Feb-20 16:00 ENMAX Outage 832L. 12PT138-Z31. 12.1TR HV SW maint SW84, SW85, SW86, MD-12.1TR. Check reversing sw. 1.33 Days
Continuous		  
26-Feb-20 08:00 27-Feb-20 16:00 ALTALINK IO 832L Enmax Info HV SW maint SW84, SW85, SW86, MD-12.1TR, check reversing switch 1.33 Days
Continuous		  
26-Feb-20 08:00 26-Feb-20 18:00 ALTALINK TE AltaLink RTU/SCADA replace radio between 649s and 244s 10 Hours
Daily		  
26-Feb-20 08:00 06-Mar-20 17:00 ALTALINK TE 154s Black Spruce RTU/SCADA RTU update to add fault location on 1118L, 1099L, 971L & 1115L 9.38 Days
Daily		  
26-Feb-20 08:00 06-Mar-20 17:00 ALTALINK TE 154S Black Spruce testing fault locating on the following relays: 1118L,1099L, 971L and 1115L 9.38 Days
Daily		  
26-Feb-20 08:00 26-Feb-20 17:00 ALTALINK Outage 33s6 (33s Spray) maintenance 9 Hours
Continuous		  
26-Feb-20 08:00 26-Feb-20 12:00 ALTALINK TE 432S Carvel settings changes of sync check and testing for 790L 4 Hours
Daily		  
26-Feb-20 08:00 27-Feb-20 16:00 ENMAX Outage 5.10TR (ENMAX 5) T-60 upgrade phase 2 1.33 Days
Continuous		  
26-Feb-20 08:00 26-Feb-20 17:00 ATCO TE 754S Ksituan River relay testing for 701T 9 Hours
Continuous		  
26-Feb-20 08:00 27-Feb-20 12:00 ATCO TE 754s 703T (754s Ksituan River) relay testing 28 Hours
Continuous		  
26-Feb-20 08:00 27-Feb-20 16:30 ALTALINK TE 575S Sundre standard relay maintenance 1.35 Days
Continuous		  
26-Feb-20 08:00 06-Mar-20 17:00 CENOVUS TE 539S Sunday Creek isolate 1118L relays for fault locating addition at 154s Black Spruce 9.38 Days
Daily		  
26-Feb-20 08:00 06-Mar-20 17:00 ALTALINK TE 698S Jackfish isolate 1099L relays for fault locating addition at 154s Black Spruce 9.38 Days
Daily		  
26-Feb-20 08:00 06-Mar-20 17:00 EXPPIPE1 TE 762S Conklin isolate 971L relays for fault locating addition at 154s Black Spruce 9.38 Days
Daily		  
26-Feb-20 08:30 04-Mar-20 16:45 ALTALINK Outage 443L (55s Olds - 214s Innisfail) complete structure changes 7.34 Days
Continuous		  
26-Feb-20 08:45 26-Feb-20 16:30 ALTALINK TE 385S Spring Coulee LAN troubleshooting 7.75 Hours
Daily		  
26-Feb-20 09:00 26-Feb-20 16:30 ALTALINK TE 454s Buck Lake RTU/SCADA configuration update 7.5 Hours
Daily		  
26-Feb-20 09:00 26-Feb-20 16:00 ALTALINK TE 454S Buck Lake standard relay maintenance 7 Hours
Daily		  
26-Feb-20 13:00 26-Feb-20 17:00 ALTALINK TE 432s 896 (432s Carvel), 896L (19s Wabamun - 432s Carvel) settings changes of sync check and testing of SEL 311C relay 4 Hours
Daily		  
26-Feb-20 13:00 27-Feb-20 15:00 ATCO TE 754s 702C (754s Ksituan River) microprocessor relay testing 26 Hours
Continuous		  
27-Feb-20 05:30 12-Mar-20 18:30 ALTALINK RB 551L (123s Banff - 953s Lake Louise) power line construction, excavation with track hoes, live line cutovers 14.5 Days
Daily		  
27-Feb-20 08:00 27-Feb-20 16:00 ENMAX TE 653s Summit RTU/SCADA upgrade MPLS node 8 Hours
Daily		  
27-Feb-20 08:00 27-Feb-20 12:00 ALTALINK TE 108s 352 (108s Amelia), 943AL (108s Amelia - 943L tap) settings changes of sync check and testing of GE C60 relay 4 Hours
Daily		  
27-Feb-20 08:00 27-Feb-20 17:00 SHELL IO 402S Shell Aosp1 notice of Altalink working on site at 402S
Isolate 807L relays for fault locating addition @ 410s		 9 Hours
Continuous		  
27-Feb-20 08:00 28-Feb-20 16:00 ATCO TE 856s 708C (856s Kinosis), 856S Kinosis 708 & 708 - protection relay testing 1.33 Days
Continuous		  
27-Feb-20 08:00 28-Feb-20 17:00 ALTALINK TE 410S Josephburg testing fault locating on relays 1.38 Days
Daily		  
27-Feb-20 08:00 28-Feb-20 17:00 ALTALINK TE 410s Josephburg RTU/SCADA add fault location 1.38 Days
Daily		  
27-Feb-20 08:00 28-Feb-20 17:00 SHELL TE 402S Shell Aosp1 isolate relays for fault locating addition 1.38 Days
Daily		  
27-Feb-20 08:00 28-Feb-20 17:00 ALTALINK TE 233s Beamer isolate 807L relays for fault locating addition 1.38 Days
Daily		  
27-Feb-20 08:00 28-Feb-20 17:00 ALTALINK TE 409S Shell Scotford isolate 857L relays for fault locating addition 1.38 Days
Daily		  
27-Feb-20 08:30 27-Feb-20 16:30 ALTALINK TE 432s Carvel RTU/SCADA configuration update 8 Hours
Daily		  
27-Feb-20 08:45 27-Feb-20 15:00 ALTALINK TE 254S Coaldale standard relay maintenance on 172L at 254s 6.25 Hours
Daily		  
27-Feb-20 09:00 27-Feb-20 15:30 ATCO TE 715S Leming Lake 87/7L95 relay preventative maintenance 6.5 Hours
Continuous		  
27-Feb-20 09:00 27-Feb-20 16:30 ALTALINK TE 421s Hays RTU/SCADA SCADA updates for qualitrol & winding temp trips being removed 7.5 Hours
Daily		  
27-Feb-20 10:00 27-Feb-20 14:00 ATCO TE ATCO Radio Tower upgrade radio on the Mitsue to Fawcett link 4 Hours
Continuous		  
28-Feb-20 08:00 28-Feb-20 17:00 ATCO Outage 7L53 Insulator and Arm Changes 9 Hours
Continuous		  
28-Feb-20 08:00 28-Feb-20 17:00 ALTALINK Outage 7L53 (A706s - A700s - A969s) ATCO Info ATCO :Insulator and Arm Changes. 9 Hours
Daily		  
28-Feb-20 08:00 28-Feb-20 16:00 ALTALINK Outage 833L Enmax Info HV SW maint SW81, SW82, SW83, MD-12.2TR. Check reversing sw. Contractor applying Roxtec duct seal at 2sub. 8 Hours
Continuous		  
28-Feb-20 08:00 28-Feb-20 18:00 ENMAX Outage 833L. HV SW maint SW81@12sub. Contractor applying Roxtec duct seal at 2sub 10 Hours
Continuous		  
28-Feb-20 09:00 28-Feb-20 14:00 ATCO TE 827S SVC, 732S 9L913 Protection Relay, Mitsue_S-Telecom, Flat Top_T-Telecom Upgrade IRU600 SW to version 8.03.21 on link between Mitsue and Flattop. Redundant protection in place
Approx 15 min outage to:
TPRNT009 - 9L913 A Mitsue to Barrhead (AML)
EXTNE001 - Cranberry SVC PMU SCADA		 5 Hours
Continuous		  
28-Feb-20 09:00 28-Feb-20 14:00 ALTALINK TE 9L913 TPR Channel A - Atco Info Upgrade IRU600 SW to version 8.03.21 on link between Mitsue and Flattop. Approx. 15 min outage to: 9L913 TPR Channel A – 732S Mitsue to 69S Barrhead (AML) 5 Hours
Daily		  

Prepared On:   2020-02-19   3:14:17 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.

© 2009 Alberta Electric System Operator. All rights reserved