Alberta Electric System Operator
System Co-ordination Plan
2021-08-12 to 2021-08-20
Approved Outages

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From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
05-Oct-18 08:00 31-Dec-21 16:00 EPCOR IO C2 (Rossdale) forced outage 1,183.38 Days
Continuous
 
24-Oct-18 01:13 31-Dec-21 16:00 EPCOR IO C1 (Rossdale) forced outage 1,164.66 Days
Continuous
 
01-Nov-20 08:00 30-Sep-21 16:00 ATCO TE 7L33 (749s Flyingshot Lake - 845s Big Mountain) problems with permissive signals 333.29 Days
Continuous
 
01-Jan-21 08:00 31-Dec-21 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 30EDD-200, 29EDD-106, 29EDD-141, 29EDD-192 364.42 Days
Daily
 
01-Jan-21 08:00 01-Jan-22 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 30EDD-200 365.42 Days
Daily
 
01-Jan-21 08:00 11-Jan-22 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 30EDD-200 375.42 Days
Continuous
 
01-Jan-21 08:00 04-Jan-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 30EDD-200 733.42 Days
Continuous
 
02-Jan-21 08:00 05-Jan-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29EDD-181
733.42 Days
Continuous
 
05-Jan-21 08:00 01-Jun-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29PT-69
877.38 Days
Continuous
 
24-Jan-21 08:00 07-Jan-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29EDD-161
713.42 Days
Continuous
 
02-Feb-21 08:00 10-Jan-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29EDD-221
707.42 Days
Continuous
 
03-Feb-21 13:00 01-Sep-21 18:00 ATCO IO 757s 703 (757s Battle River) removing CT to replace damaged one on breaker 704 210.17 Days
Continuous
 
10-Feb-21 09:00 15-Sep-21 15:00 ATCO TE 886s 701T (886s Updike) real time protection outage fixing issue that has already failed - 701T temp protection out of service, back up in service 217.21 Days
Continuous
 
24-Feb-21 08:00 11-Jan-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29EDD-211; substation ground test; PM 5y - 34.5kV 686.42 Days
Continuous
 
01-Mar-21 08:00 03-Feb-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29EDD-221 ;29PT-605 system 704.42 Days
Continuous
 
01-Mar-21 08:00 04-Feb-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29EDD-161; 29PT-582 system 705.42 Days
Daily
 
01-Mar-21 08:00 05-Feb-23 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29EDD-171; 29PT-600 system 706.42 Days
Daily
 
23-Mar-21 17:01 30-Aug-21 06:59 EPCOR Outage T2 (Strathcona) Strathcona TX2 replacement - 1007218 159.58 Days
Continuous
 
26-Apr-21 09:00 30-Nov-21 17:00 ATCO TE 809s Louise Creek RTU/SCADA RTU replacement 218.38 Days
Continuous
 
26-Apr-21 13:30 30-Nov-21 13:30 ATCO TE 809s Louise Creek RTU/SCADA RTU replacement 218.04 Days
Continuous
 
29-Apr-21 20:00 29-Oct-21 18:00 ENBRIDGE TE 120s MATL PST (120s Picture Butte) failed "B" protection relay 182.92 Days
Continuous
 
19-May-21 08:00 18-Aug-21 16:00 ALTALINK Outage 906s T1 (906s Ross Creek) forced outage 91.33 Days
Continuous
 
19-May-21 09:00 30-Sep-21 12:00 ALTALINK Outage 58s C1 (58s Edson) install new protections 134.13 Days
Continuous
 
20-May-21 09:00 19-Aug-21 15:00 REDDEER Outage 217s T1 (217s North Red Deer) power transformer replacement (like-for-like) 91.25 Days
Continuous
 
20-May-21 09:00 19-Aug-21 15:00 ALTALINK IO 217s T1 for CofRD - Info power transformer replacement 91.25 Days
Continuous
 
24-May-21 07:00 30-Sep-21 17:00 EPCOR TE 805S Jasper system being upgraded and tested to accommodate future upgrade to ADMS system 129.42 Days
Daily
 
07-Jun-21 07:00 03-Sep-21 17:00 EPCOR TE RTU/SCADA (Namao) upgrade and test station SA system to accommodate future upgrade to ADMS system 88.42 Days
Daily
 
18-Jun-21 08:00 27-Aug-21 08:00 ALTALINK Outage 426S Coalspur, 740L (426s Coalspur - 740L tap) add new 426s740 138 kV breaker, maintenance 70 Days
Continuous
 
12-Jul-21 07:00 13-Sep-21 17:00 EPCOR TE Meadowlark, RTU/SCADA (Meadowlark) station SA system being upgraded 63.42 Days
Daily
 
12-Jul-21 08:00 13-Dec-21 16:00 ATCO TE 809S Louise Creek Louise Creek sub rebuild project -
installation, wiring and commissioning of new BF relays in subsequent outages
154.38 Days
Continuous
 
13-Jul-21 07:30 22-Aug-21 17:30 ALTALINK IO 9L938 (77s-A809s) Advice - ATCO Louise Creek rebuild project- replace 912, 900PT1, CT modifications to 906CT, 912CT, and 901T 40.42 Days
Continuous
 
13-Jul-21 17:01 22-Aug-21 17:00 ATCO Outage 9L938 (77s Sagitawah - 809s Louise Creek), 809s 901T (809s Louise Creek), 809s 503R (809s Louise Creek), 809s 504R (809s Louise Creek) Louise Creek rebuild project 40 Days
Continuous
 
19-Jul-21 07:00 31-Aug-21 17:00 EPCOR TE 657S Summerside protection work 43.42 Days
Daily
 
22-Jul-21 12:54 03-Sep-21 16:54 ATCO TE 2075s RTU/SCADA (2075s Newell), 2029s RTU/SCADA (2029s Heathfield) reset counter on DC filter protection to clear minor alarm 43.17 Days
Continuous
 
25-Jul-21 08:00 27-Aug-21 16:00 ENMAX Outage 15.1TR (ENMAX 15) install new Albarrie, plastibeton, duct banks and cables, phasing required on return 33.33 Days
Continuous
 
31-Jul-21 08:00 12-Aug-21 17:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 635PL6-1001 12.38 Days
Daily
 
03-Aug-21 07:00 13-Aug-21 17:00 EPCOR Outage 330P GT2 (330p Genesee), 330p 1204 (330p Genesee) maintenance 10.42 Days
Continuous
 
03-Aug-21 08:00 15-Aug-21 16:00 ENMAX Outage 8.1TR (ENMAX 8), 8.2TR (ENMAX 8) GIS switch maintenance and testing 12.33 Days
Continuous
 
03-Aug-21 17:01 07-Dec-21 17:00 EPCOR Outage T1 (EPCOR Hardisty) Hardisty T1 replacement 126.04 Days
Continuous
 
04-Aug-21 08:00 14-Aug-21 18:00 SUNCOR, ATCO Outage 29EDD-1 72kV South Bus (29EDD-1 Millennium), 29EDD-1 260kV South Bus 1 (29EDD-1 Millennium), 29EDD-1 260kV South Bus 2 (29EDD-1 Millennium), 29EDD-1 29EDD1s1052 (29EDD-1 Millennium), 29EDD-1 29EDD1S1452 (29EDD-1 Millennium), 29EDD-1 29EDD1s1852 (29EDD-1 Millennium), 29EDD-1 29EDD1s352 (29EDD-1 Millennium), 29EDD-1 29EDD1s652 (29EDD-1 Millennium), 29PL9-2 (29EDD-1 Millennium - 848s Ruth Lake), 29EDD-1 952-103 (29EDD-1 Millennium), 29EDD-1 952-106 (29EDD-1 Millennium) preventative maintenance 10.42 Days
Continuous
 
05-Aug-21 07:00 15-Aug-21 18:00 EPCOR RB 1058L (657s Summerside - EP 803s Lambton) proximity to 908L work 10.46 Days
Continuous
 
05-Aug-21 07:00 15-Aug-21 18:00 ALTALINK RB 946L (38s East Edmonton - 89s Ellerslie) proximity to 908L work 10.46 Days
Continuous
 
05-Aug-21 07:00 15-Aug-21 18:00 ALTALINK, EPCOR Outage 908L (38s East Edmonton - 89s Ellerslie), 908AL (52S East Industrial - 908L tap) replace damaged insulation, jumper strings 10.46 Days
Continuous
 
05-Aug-21 07:00 15-Aug-21 17:00 EPCOR IO ALTALINK - 908L - GOI @ EAST INDUSTRIAL repair sub bundle, broken inner core between 908L234 and 242, replace all damaged dead end insulation and jumper strings 908L234, repair mid-span OHSW tie 908L249, replace all dead-end insulation to 25 KIP NGK 10.42 Days
Continuous
 
05-Aug-21 07:00 15-Aug-21 17:00 EPCOR RB 1058L (657s Summerside - EP 803s Lambton) repair work 10.42 Days
Continuous
 
05-Aug-21 07:00 15-Aug-21 18:00 ALTALINK, EPCOR RB 1057L (89s Ellerslie - 657s Summerside) proximity to 908L work 10.46 Days
Continuous
 
07-Aug-21 08:00 18-Aug-21 18:00 SUNCOR Outage 29PL6-22 (29EDD-1 Millennium - 29EDD-2 Tar Island) replacement of A/B protection upgrade 11.42 Days
Continuous
 
08-Aug-21 08:00 13-Aug-21 18:00 SUNCOR Outage 29PT-101 (29EDD-18) turn around maintenance testing of high voltage & low voltage distribution equipment 5.42 Days
Continuous
 
08-Aug-21 11:00 15-Aug-21 17:00 ATCO, SUNCOR Outage 29PL9-2 (29EDD-1 Millennium - 848s Ruth Lake) maintenance activities at Suncor base plant
7.25 Days
Continuous
 
09-Aug-21 07:00 13-Aug-21 17:00 EPCOR Outage 330p 805 (330p Genesee), 330P 12TC1 (330p Genesee) breaker maintenance and CT doble 4.42 Days
Continuous
 
09-Aug-21 07:00 20-Aug-21 18:00 ALTALINK Outage 276s T3 (276s Union Carbide Prentiss), 775L (276s Prentiss - 535s Joffre), 276s 138kV South Bus (276s Union Carbide Prentiss) maintenance, doble and oil reclaim, protection installation and testing 11.46 Days
Continuous
 
09-Aug-21 07:00 27-Aug-21 17:00 ALTALINK TE 426s RTU/SCADA (426s Coalspur) update RTU/HMI configuration 18.42 Days
Daily
 
09-Aug-21 07:00 14-Aug-21 17:00 EPCOR Outage 330P 12TC1 (330p Genesee), 330P Genesee 500 kV Bus 1, 330p 1201 (330p Genesee), 330p 1204 (330p Genesee), 330p 1207 (330p Genesee) emergency lightning spire repair
5.42 Days
Continuous
 
09-Aug-21 07:30 27-Aug-21 16:30 ALTALINK IO 42s91 Advice (7.82L ) Advice for Enmax line relocation at Bow Trail, phasing required, Enmax needs advise on 42s91 18.38 Days
Continuous
 
09-Aug-21 08:00 20-Aug-21 17:30 ATCO Outage 2075s 900SST1 (2075s Newell) install breaker thermal windows in LV1 room at 2075S Newell and 900SST1 gasket replacements 11.4 Days
Continuous
 
09-Aug-21 08:00 13-Aug-21 17:30 ALTALINK TE 42s RTU/SCADA (42s Sarcee) update configuration 4.4 Days
Daily
 
09-Aug-21 08:00 16-Aug-21 17:00 ALTALINK TE 276s RTU/SCADA (276s Union Carbide Prentiss) configuration file updates - SCADA commissioning and function testing 7.38 Days
Continuous
 
09-Aug-21 08:00 12-Aug-21 17:00 ATCO Outage 771S 701T 701T maintenance 3.38 Days
Continuous
 
09-Aug-21 08:00 13-Aug-21 12:00 ALTALINK Outage 233s T1 (233s Beamer) NGR maintenance and breaker replacement (233s21) 4.17 Days
Continuous
 
09-Aug-21 08:00 13-Aug-21 17:00 ATCO RB 9L950 (132s Ware Junction - 801s Anderson) pole change 4.38 Days
Continuous
 
09-Aug-21 08:00 17-Aug-21 17:00 ATCO Outage 7L84 (722s Crystal Lake - 749s Flyingshot Lake) modifications to structures 14,59,128, & 129, switch replacement 702A & 7L84D1 8.38 Days
Continuous
 
09-Aug-21 08:00 13-Aug-21 17:00 ALTALINK RB 950L (132s Ware Junction - 801s Anderson) pole change on 950l/9L950 4.38 Days
Daily
 
09-Aug-21 08:00 19-Aug-21 17:00 ALTALINK IO A732s 240KV Breakers - Atco Info ATCO performing 732s breaker maintenance on 901, 903, 904 10.38 Days
Continuous
 
09-Aug-21 08:00 20-Aug-21 16:00 ENMAX Outage 21.1TR (ENMAX 21) 21sub TRV project- 21.1TR CT replacement 11.33 Days
Continuous
 
09-Aug-21 08:00 27-Aug-21 16:00 ENMAX, ALTALINK Outage 7.82L (42s Sarcee - ENMAX 7) line relocation 18.33 Days
Continuous
 
09-Aug-21 08:00 12-Aug-21 16:00 ENMAX Outage 13.2TR (ENMAX 13) ECI bushings power factor test transformer, check reversing switch, oil sampling MT, TC 3.33 Days
Continuous
 
09-Aug-21 08:00 18-Aug-21 17:00 ALTALINK TE 121s RTU/SCADA (121s Brooks) add and commission new RTU/HMI alarms 9.38 Days
Continuous
 
09-Aug-21 08:00 19-Aug-21 18:00 ALTALINK TE 104s RTU/SCADA (104s Watson Creek), 602s RTU/SCADA (602s Cold Creek) repair failed communication between 104s and 602s (currently failed) 10.42 Days
Continuous
 
09-Aug-21 08:30 13-Aug-21 17:30 ALTALINK RB 995L (17s Benalto - 995AL tap), 995L (62s Brazeau - 995AL tap), 995AL (68s Willesden Green - 995L tap) line clearance mitagation (strs 9 - 203) 4.38 Days
Daily
 
09-Aug-21 08:30 13-Aug-21 16:30 ATCO TE 826S Marguerite Lake repair 826S 903PT cable 4.33 Days
Continuous
 
09-Aug-21 09:00 13-Aug-21 16:00 ATCO Outage 865s 701T (865s Saddlehills) maintenance, mobile sub installation 4.29 Days
Continuous
 
09-Aug-21 09:00 13-Aug-21 18:00 ATCO IO 199L AltaLink outage -199L (268s - 199L187C) – GOI component replacements 199L (str's range 191-413)
4.38 Days
Continuous
 
09-Aug-21 09:30 12-Aug-21 16:30 ALTALINK Outage 42s T2 (42s Sarcee) migrate and commission T1 3.29 Days
Continuous
 
09-Aug-21 10:00 12-Aug-21 16:00 ALTALINK TE 526s RTU/SCADA (526s Buffalo Creek) update RTU and HMI to add new alarms/ inputs from new protection and equipment 3.25 Days
Daily
 
09-Aug-21 10:00 12-Aug-21 16:00 ALTALINK Outage 526s T1 (526s Buffalo Creek) wiring new CT circuit to new protection and installing 25kV PT on 336L 3.25 Days
Daily
 
09-Aug-21 10:00 12-Aug-21 18:00 ALTALINK Outage 434s T3 (434s East Stony Plain) replace bushings, repair hot spot on 434s27 3.33 Days
Continuous
 
09-Aug-21 10:30 12-Aug-21 18:00 ALTALINK Outage 308s T1 (308s Albchem Beaverhill Creek), 773L (127s Bruderheim - 308s Albchem Beaverhill Creek), 776L (308s Albchem Beaverhill Creek - 410s Josephburg) vacuum fill T1, maintain 138kV switches 308s6, 308s7, 308s1, 308s2 3.31 Days
Continuous
 
09-Aug-21 11:30 12-Aug-21 17:30 ALTALINK Outage 385s T3 (385s Spring Coulee) bushing, 25kV breaker replacement 3.25 Days
Continuous
 
09-Aug-21 12:00 13-Aug-21 18:00 ALTALINK Outage 199L (268s Whitecourt - 199AL tap), 268s 199N (268s Whitecourt) component replacement 199L (str's range 191-413) 4.25 Days
Continuous
 
09-Aug-21 12:00 20-Aug-21 12:00 ALTALINK TE 535S Joffre relay isolation 11 Days
Continuous
 
10-Aug-21 07:00 13-Aug-21 18:00 ALTALINK Outage 900L (17s Benalto - 63s Red Deer) phase raiser installation on 900L2 3.46 Days
Continuous
 
10-Aug-21 07:30 13-Aug-21 17:30 ALTALINK RB 722L (107s Westfield - 368s Burdett) arms and insulator replacements (str 5 - 11) 3.42 Days
Daily
 
10-Aug-21 07:55 13-Aug-21 17:05 ALTALINK RB 1081L (17s Benalto - 281s Johnson) phase raiser installation on 900L2 3.38 Days
Daily
 
10-Aug-21 07:55 13-Aug-21 17:05 ALTALINK RB 1325L (510s Sunnybrook - AML 511s Crossings) phase raiser installation on 900L2 3.38 Days
Daily
 
10-Aug-21 07:55 13-Aug-21 18:05 ALTALINK RB 848L (17s Benalto - 848AL tap), 848L (378s Shell Caroline - 848AL tap), 848AL (531s Shell Schrader Creek - 848L tap) phase raiser installation on 900L2 3.42 Days
Daily
 
10-Aug-21 08:00 24-Aug-21 18:00 SUNCOR Outage 29PT-204 (29EDD-18), 29PS-204 (29EDD-18) maintenance 14.42 Days
Continuous
 
10-Aug-21 08:00 16-Aug-21 17:00 ATCO RB 7L33 (749s Flyingshot Lake - 845s Big Mountain) mitigation of structure 13 6.38 Days
Continuous
 
10-Aug-21 09:00 13-Aug-21 12:00 ATCO TE 7L91 (715s Leming Lake - 826s Marguerite Lake) complete a setting change to repair deficiency 3.13 Days
Continuous
 
10-Aug-21 09:00 13-Aug-21 12:00 ATCO TE 7L89 (721s La Corey - 826s Marguerite Lake) complete a setting change to repair deficiency 3.13 Days
Continuous
 
10-Aug-21 09:00 13-Aug-21 12:00 ATCO TE 7L587 (822s Wolf Lake - 826s Marguerite Lake) complete a setting change to repair deficiency 3.13 Days
Continuous
 
10-Aug-21 09:00 13-Aug-21 12:00 ATCO TE 9L36 (825s Whitefish Lake - 826s Marguerite Lake) complete a setting change to repair deficiency 3.13 Days
Continuous
 
10-Aug-21 09:00 13-Aug-21 12:00 ATCO TE 9L37 (825s Whitefish Lake - 826s Marguerite Lake) complete a setting change to repair deficiency 3.13 Days
Continuous
 
11-Aug-21 08:00 12-Aug-21 16:00 ENMAX Outage 34.1TR (ENMAX 34) tapchanger inspection, check reversing switch 1.33 Days
Continuous
 
12-Aug-21 07:00 13-Aug-21 18:00 ALTALINK Outage 723L (438s Westlock - 724L tap) *P5 urgent scope of work includes urgent repair on structures 122C, 122D, 123, 124, 125, 126, 127, 128 and 130 1.46 Days
Continuous
 
12-Aug-21 08:00 16-Aug-21 17:00 ATCO Outage 732s 903 (732s Mitsue) breaker maintenance 4.38 Days
Continuous
 
12-Aug-21 08:00 13-Aug-21 17:00 ALTALINK TE 525s RTU/SCADA (525s Carseland) RTU database update 1.38 Days
Daily
 
12-Aug-21 08:00 13-Aug-21 17:00 ATCO, SUNCOR TE 2005S Secord, 635PL9-1000 (2005s Secord - 635EDD-1000), 635PL9-1001 (2005s Secord - 635EDD-1000) PRC005 relays and line end to ends 1.38 Days
Continuous
 
12-Aug-21 08:00 12-Aug-21 16:00 ALTALINK TE AltaLink Radio Tower, AltaLink TPR Outage 9470R - maintain TPR shelf 8 Hours
Daily
 
12-Aug-21 08:00 12-Aug-21 20:00 Syncrude Outage ML1 (D05 Syncrude - Syncrude Mildred Lake) maintenance 12 Hours
Continuous
 
12-Aug-21 08:00 12-Aug-21 11:30 ATCO Outage 2005s 905 (2005s Secord) PRC005 trip coil on breaker 905 3.5 Hours
Continuous
 
12-Aug-21 08:30 12-Aug-21 17:30 ALTALINK Outage 19s 905 (19s Wabamun), 905L (19s Wabamun - 37s North Calder) replace grading capacitor on 19s905 240kV breaker 9 Hours
Daily
 
12-Aug-21 08:30 12-Aug-21 12:30 ALTALINK TE 71S Lamoureux UR card settings (B138E) - B protection 4 Hours
Daily
 
12-Aug-21 09:30 12-Aug-21 12:30 ATCO TE 930s Syn Condenser (930s Arcenciel) PRC-005 - microprocessor relay testing - 59NB/400BS2

3 Hours
Continuous
 
12-Aug-21 11:45 12-Aug-21 16:30 ATCO Outage 2005s 906 (2005s Secord) PRC005 trip coil on breaker 906 4.75 Hours
Continuous
 
12-Aug-21 12:00 13-Aug-21 16:00 ATCO RB 7L22 (811s Clairmont Lake - 7L88 tap), 7L22 (790s Poplar Hill - 7L88 tap) tap down mobile sub at 865s 28 Hours
Continuous
 
12-Aug-21 13:00 12-Aug-21 17:30 ALTALINK TE 71S Lamoureux UR card settings (B138W) - B protection 4.5 Hours
Daily
 
12-Aug-21 13:00 12-Aug-21 15:00 ATCO TE ATCO Radio Tower, ATCO TPR Outage Dawes substation SAR chassis upgrade 2 Hours
Continuous
 
12-Aug-21 13:00 12-Aug-21 15:00 ALTALINK IO 9L55/1085L, 7L114 - TPR - Atco Info Atco has advised they will be upgrading the radio at Stoney Mountain affecting 1085L/9L55 causing slow fault clearing of 24 cycles - Atco reports no stability concerns. 7L114 also impacted with redundant protection. 2 Hours
Daily
 
13-Aug-21 08:00 13-Aug-21 17:00 ATCO RB 7L28 (717s Ethel Lake - 846s Grand Centre) 846s maintenance, tap up mobile sub to 7L28 9 Hours
Continuous
 
13-Aug-21 08:00 13-Aug-21 16:00 ALTALINK, ENMAX Outage 1109L (ENMAX 25 - ENMAX 65), 25B240-D142 (ENMAX 25), 25B240-D141 (ENMAX 25) power factor test 25MD240-1109 LA. 25 Sub SW152, SW153 replace switch 8 Hours
Continuous
 
13-Aug-21 08:00 13-Aug-21 16:00 ALTALINK IO 1109L (c65s - c25s) OOS - Enmax Info power factor test 25MD240-1109 LA. 25 Sub SW152, SW153, replace switch 8 Hours
Daily
 
13-Aug-21 08:00 01-Sep-21 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) replace switches at 29EDD-8 and 29EDD-9 during turn around for 29PL6-24

19.42 Days
Continuous
 
13-Aug-21 10:00 13-Aug-21 13:00 SUNCOR TE 29EDD-2 Tar Island RTU program download 3 Hours
Continuous
 
13-Aug-21 12:30 17-Aug-21 16:30 ALTALINK Outage 233s T2 (233s Beamer) customer NGR maintenance and breaker replacement (233s22) 4.17 Days
Continuous
 
14-Aug-21 08:00 14-Aug-21 16:00 ENMAX Outage 28.2TR (ENMAX 28) disconnected conservator breather tube 8 Hours
Continuous
 
14-Aug-21 09:15 14-Aug-21 12:45 ALTALINK Outage 850L (525s Carseland - 678s Okotoks), 525s 850N (525s Carseland) connect mobile (475s) 3.5 Hours
Continuous
 
14-Aug-21 12:46 15-Sep-21 10:00 ALTALINK Outage 525s T3 (525s Carseland) T3 replacement, 25kV work, SCADA upgrade, and salvage 25kV bypass bus/switches (s20,s24,s25) 31.88 Days
Continuous
 
15-Aug-21 08:00 23-Aug-21 18:00 SUNCOR Outage 29PL7-2 (29EDD-18 - 29EDD-63) maintenance and testing of 29PT-179 and 30PT-219, 144 kV breakers/switches, GCB and PRC-005 testing 8.42 Days
Continuous
 
15-Aug-21 08:00 30-Aug-21 18:00 SUNCOR Outage 29EDD-1 72kV North Bus (29EDD-1 Millennium), 29EDD-1 260kV North Bus 1 (29EDD-1 Millennium), 29EDD-1 260kV North Bus 2 (29EDD-1 Millennium), 29EDD-1 T2 (29EDD-1 Millennium), 29EDD-1 29EDD1s1152 (29EDD-1 Millennium), 29EDD-1 29EDD1s152 (29EDD-1 Millennium), 29EDD-1 29EDD1s1552 (29EDD-1 Millennium), 29EDD-1 29EDD1s452 (29EDD-1 Millennium), 29EDD-1 29EDD1s952 (29EDD-1 Millennium) preventative maintenance 15.42 Days
Continuous
 
15-Aug-21 11:00 19-Aug-21 15:30 ALTALINK Outage 83s T1 (83s Taber) replace 138 kV LA’s, TC filter, 25 kV bushings, and 138 kV bushings on T1 4.19 Days
Continuous
 
16-Aug-21 07:00 16-Aug-21 17:00 EPCOR Outage 240BA2 (629s Argyll Transfer Station - 814s Bellamy) doble CT/arrestors 10 Hours
Continuous
 
16-Aug-21 07:00 20-Aug-21 17:00 ALTALINK TE 285s RTU/SCADA (285s East Camrose) update configuration to add and test new relays and equipment point for switchgear upgrade 4.42 Days
Daily
 
16-Aug-21 07:00 20-Aug-21 17:00 EPCOR Outage 330p 1208 (330p Genesee) emergency lightning spire repair
#9 spire
4.42 Days
Continuous
 
16-Aug-21 07:30 16-Aug-21 17:30 ALTALINK RB 608L (138s Windy Flats - 418s Ardenville - 528s Blue Trail Wind Farm) prep work/framing under 608AL for upcoming 608L outage 10 Hours
Daily
 
16-Aug-21 07:30 27-Aug-21 17:00 ALTALINK RB 225L (225s Magrath - 385s Spring Coulee) working on underbuilt 25 kV between structure 303a - 341 11.4 Days
Daily
 
16-Aug-21 08:00 29-Aug-21 16:00 ENMAX Outage 8.3TR (ENMAX 8), 8.4TR (ENMAX 8) switch maintenance 13.33 Days
Continuous
 
16-Aug-21 08:00 19-Aug-21 17:30 ALTALINK TE 42s RTU/SCADA (42s Sarcee) update RTU configuration 3.4 Days
Daily
 
16-Aug-21 08:00 20-Aug-21 17:00 ALTALINK TE 525s RTU/SCADA (525s Carseland) RTU database update 4.38 Days
Daily
 
16-Aug-21 08:00 20-Aug-21 17:00 ATCO RB 9L59 (801s Anderson - 972s Tinchebray) pole change 4.38 Days
Continuous
 
16-Aug-21 08:00 17-Aug-21 16:00 ENMAX Outage 14.3TR (ENMAX 14) tapchanger inspection, oil sampling MT, TC 1.33 Days
Continuous
 
16-Aug-21 08:00 19-Aug-21 16:00 ENMAX Outage 3.4TR (ENMAX 3) testing and maintemance 3.33 Days
Continuous
 
16-Aug-21 08:00 16-Aug-21 12:00 ALTALINK TE 648S Metiskow 749L - change settings for the ongoing work @ 267s 4 Hours
Continuous
 
16-Aug-21 08:30 18-Aug-21 16:30 ATCO Outage 848s 908 (848s Ruth Lake) maintenance 2.33 Days
Continuous
 
16-Aug-21 09:00 27-Aug-21 17:00 ATCO Outage 770s 703T (770s Three Hills) maintenance 11.33 Days
Continuous
 
16-Aug-21 09:00 02-Sep-21 16:00 ALTALINK TE 267s RTU/SCADA (267s Killarney Lake) updating/commissioning C1/C2/C3 SCADA following protection and breaker replacement 17.29 Days
Daily
 
16-Aug-21 09:30 20-Aug-21 17:30 ALTALINK RB 995L (62s Brazeau - 995AL tap), 995L (17s Benalto - 995AL tap), 995AL (68s Willesden Green - 995L tap) line clearance mitigation (strs 9 - 203) 4.33 Days
Daily
 
16-Aug-21 09:30 19-Aug-21 16:00 ALTALINK TE 17S Benalto isolate CT contributions 3.27 Days
Daily
 
16-Aug-21 09:30 19-Aug-21 16:00 ALTALINK TE 17s RTU/SCADA (17s Benalto) 17s P&C upgrade project - RTU updates 3.27 Days
Daily
 
16-Aug-21 09:30 18-Aug-21 16:30 ALTALINK Outage 3L (42s Sarcee - 272s Springbank), 42s 3W (42s Sarcee) protection upgrade and testing 2.29 Days
Continuous
 
16-Aug-21 09:30 19-Aug-21 14:30 ALTALINK Outage 717L (17s Benalto - 262s Rocky Mountain House), 17s 717W (17s Benalto) A/B line protection replacement, tie in new 138B3 'B' CT 3.21 Days
Continuous
 
16-Aug-21 10:00 17-Aug-21 13:15 SUNCOR TE 29EDD-1 Millennium RTU/SCADA updates to D20MX - 29PL6-22 line upgrade project 27.25 Hours
Daily
 
16-Aug-21 10:00 17-Aug-21 18:00 ALTALINK TE 368S Burdett, 244S Bowmanton protection update for 879L 'A' protection 1.33 Days
Daily
 
16-Aug-21 10:30 17-Aug-21 17:30 ALTALINK Outage 74s C3 (74s Janet), 74s C4 (74s Janet) PRC5 - 1st trip & maintenance (SF6) 31 Hours
Continuous
 
16-Aug-21 12:00 20-Aug-21 18:00 ALTALINK Outage 748L (267s Killarney Lake - 277s Hayter), 749AL (267s Killarney Lake - 749L tap), 267s T1 (267s Killarney Lake) replacing 267s23 (C2) with a new breaker/switch and VT2 4.25 Days
Continuous
 
16-Aug-21 12:00 20-Aug-21 18:00 ALTALINK Outage 946L (38s East Edmonton - 89s Ellerslie) component replacements 946L (str's range 30-71) 4.25 Days
Continuous
 
16-Aug-21 12:00 20-Aug-21 18:00 ALTALINK, EPCOR RB 947L (89s Ellerslie - 987s Clover Bar) component replacements 946L (str's range 30-71) 4.25 Days
Continuous
 
16-Aug-21 12:00 20-Aug-21 18:00 EPCOR IO ALTALINK - 947L - RECLOSER BLOCK @ CLOVERBAR component replacements 946L (str's range 30-71) 4.25 Days
Continuous
 
16-Aug-21 12:00 23-Aug-21 12:00 ATCO Outage 6L11 (743s Sarah Lake - 854s Swan Dive) changing poles from test and treat data 7 Days
Continuous
 
16-Aug-21 12:30 17-Aug-21 17:30 ALTALINK Outage 268s T3 (268s Whitecourt) fix oil leaks, hydran, SFRA test 29 Hours
Continuous
 
16-Aug-21 13:00 02-Sep-21 18:00 ALTALINK TE 267S Killarney Lake 749AL - relay removal 17.21 Days
Daily
 
16-Aug-21 13:30 16-Aug-21 17:30 ALTALINK TE 54S Fort Saskatchewan relay maintenance 4 Hours
Daily
 
16-Aug-21 13:30 16-Aug-21 17:30 ALTALINK TE 396S Pincher Creek implement setting changes 4 Hours
Daily
 
17-Aug-21 07:00 18-Aug-21 18:00 ALTALINK Outage 787AL (906s Ross Creek - 787L tap), 787L (71s Lamoureux - 166s Dow Chemical Fort Saskatchewan) Tx maintain, doble, top up oil 1.46 Days
Continuous
 
17-Aug-21 07:15 19-Aug-21 17:45 ALTALINK Outage 608L (138s Windy Flats - 418s Ardenville - 528s Blue Trail Wind Farm) salvage 608AL31 airbrake 2.44 Days
Continuous
 
17-Aug-21 07:15 18-Aug-21 17:45 ALTALINK Outage 727L (65s High River - 142s Magcan - 678s Okotoks), 727AL (142s Magcan - 727L tap) maintenance (Str 6, 7, 10, 20, 24) 1.44 Days
Continuous
 
17-Aug-21 08:00 19-Aug-21 17:00 ATCO, ALTALINK Outage 732s 904 (732s Mitsue), 9L913 (69s North Barrhead - 732s Mitsue) breaker maintenance 2.38 Days
Continuous
 
17-Aug-21 08:00 17-Aug-21 17:00 SUNCOR TE 635PL9-1001 (2005s Secord - 635EDD-1000), 635PL9-1000 (2005s Secord - 635EDD-1000) outage of 635PL9-1000 A protection, outage of 635PL9-1001 A protection 9 Hours
Daily
 
17-Aug-21 08:00 17-Aug-21 16:00 ATCO RB 7L39 (722s Crystal Lake - 811s Clairmont Lake), 722s 144kV Bus 700BS1 (722s Crystal Lake) maintenance 8 Hours
Continuous
 
17-Aug-21 08:00 17-Aug-21 12:00 ALTALINK TE 523s RTU/SCADA (523s Bullshead) upgrade MPLS node 4 Hours
Daily
 
17-Aug-21 08:00 20-Aug-21 16:00 ENMAX Outage 1.83L (ENMAX 1 - ENMAX 8), 8.3TR (ENMAX 8), 8.4TR (ENMAX 8) oil leak repair 3.33 Days
Continuous
 
17-Aug-21 08:00 03-Sep-21 20:00 Syncrude Outage Syncrude Mildred Lake T3 transformer @ Plant 31 Substation 17.5 Days
Continuous
 
17-Aug-21 08:00 18-Aug-21 17:00 ATCO TE 2005S Secord PRC005 - 635PL9-1000 and 635PL9-1001 lines have their protection split 1.38 Days
Continuous
 
17-Aug-21 09:00 18-Aug-21 17:00 ALTALINK TE 938L (77s Sagitawah - 809s Louise Creek) protection work 1.33 Days
Daily
 
17-Aug-21 10:00 19-Aug-21 17:00 ATCO Outage 730s 702 (730s Rycroft) breaker maintenance 2.29 Days
Continuous
 
17-Aug-21 12:00 21-Aug-21 17:30 ATCO TE 809S Louise Creek 9L939 - new protection testing 4.23 Days
Continuous
 
17-Aug-21 12:00 17-Aug-21 18:00 ALTALINK TE 595s RTU/SCADA (595s Spruce Grove) upgrade MPLS node 6 Hours
Daily
 
17-Aug-21 14:00 17-Aug-21 17:30 SUNCOR TE 29EDD-2 Tar Island RTU/SCADA updates to DCS system 3.5 Hours
Continuous
 
18-Aug-21 07:00 18-Aug-21 17:00 EPCOR Outage HDS1 (EPCOR Hardisty), 72CH11 (987s Clover Bar - EPCOR Hardisty) hot contact repair/maintenance 10 Hours
Continuous
 
18-Aug-21 08:00 18-Aug-21 17:00 ALTALINK RB 113L (20s Ghost - 33s Spray) fire mitigation install new ground rod, copper on 113L73, safety concern 9 Hours
Daily
 
18-Aug-21 08:00 18-Aug-21 12:00 ALTALINK TE 435s RTU/SCADA (435s Bassano), 853AL (435s Bassano - 853L tap) upgrade MPLS node 4 Hours
Daily
 
18-Aug-21 08:00 19-Aug-21 16:00 ENMAX Outage 10.2TR (ENMAX 10) tapchanger inspection, check reversing switch, oil sampling MT, TC 1.33 Days
Continuous
 
18-Aug-21 08:00 19-Aug-21 18:00 ALTALINK TE 368S Burdett, 244S Bowmanton protection update for 879L 'B' protection (P2212 Rattlesnake Ridge) 1.42 Days
Daily
 
18-Aug-21 08:30 19-Aug-21 17:00 ALTALINK TE 525S Carseland standard relay maintenance 1.35 Days
Daily
 
18-Aug-21 10:00 18-Aug-21 13:15 SUNCOR TE 29EDD-2 Tar Island updates to D20MX to map values to DCS system for 29PL6-22 line upgrade project 3.25 Hours
Continuous
 
18-Aug-21 13:00 18-Aug-21 15:00 ATCO TE ATCO Radio Tower, 820s Hangingstone RTU/SCADA, 718s RTU/SCADA (718s Parsons Creek), 2014s RTU/SCADA (2014s Halfway), 933s RTU/SCADA (933s Tower Road) upgrade Stoney Mtn SAR
2 Hours
Continuous
 
18-Aug-21 13:00 18-Aug-21 15:00 ALTALINK IO 9L55/1085L, 7L114 - TPR - Atco Info Atco will be upgrading the radio at Stoney Mountain 2 Hours
Daily
 
19-Aug-21 07:00 19-Aug-21 18:00 ALTALINK Outage 707L (54s Fort Saskatchewan - 166s Dow Chemical Fort Saskatchewan), 862L (166s Dow Chemical Fort Saskatchewan - 258s Dow Hydro Carbons), 899L (166s Dow Chemical Fort Saskatchewan - 218s Fort Saskatchewan Co-Gen), 166s T1 (166s Dow Chemical Fort Saskatchewan), 166s T2 (166s Dow Chemical Fort Saskatchewan), 258s T1 (258s Dow Hydro Carbons), 258s 252 (258s Dow Hydrocarbons), 258s 552 (258s Dow Hydrocarbons) 1st trip PRC5 maintenance on 166s862N, fix CT shroud and capacitor mount, 166s899N capacitor mounting kit, T1, replace conservator gauge, fix Hydran monitor warning,166s1 & 166s24 clean and adjust 11 Hours
Daily
 
19-Aug-21 07:00 19-Aug-21 17:00 EPCOR Outage EP 511s Victoria T1 (EP 511s Victoria), EP 511s V721 (EP 511s Victoria), EP 511s V722 (EP 511s Victoria) VDS4/VDS5 maintenance 10 Hours
Continuous
 
19-Aug-21 08:00 19-Aug-21 12:00 ALTALINK, TRANSALTA TE AltaLink TPR Outage, 218s RTU/SCADA (218s Fort Saskatchewan Co-Gen) upgrade MPLS node 4 Hours
Daily
 
19-Aug-21 08:00 18-Sep-21 16:30 ALTALINK TE 258s RTU/SCADA (258s Dow Hydrocarbons) install new SCADA cabinet, transfer alarms and control to new SCADA cabinet 30.35 Days
Daily
 
19-Aug-21 08:00 20-Aug-21 17:00 ALTALINK, ENMAX RB 1064L (74s Janet - 102s Langdon), 985L (74s Janet - ENMAX 25) remove street light near 1064L13 for contractor doing road widening intersection of Glenmore Trail
1.38 Days
Daily
 
19-Aug-21 08:30 20-Aug-21 16:30 ATCO Outage 848s 605 (848s Ruth Lake) 848S 605 breaker maintenance 1.33 Days
Continuous
 
19-Aug-21 09:00 19-Aug-21 19:00 ATCO Outage 725s 701T (725s Goose River) repair 701T leaks 10 Hours
Continuous
 
19-Aug-21 09:00 19-Aug-21 17:00 ATCO RB 763S Hanna 600 Bus 1 - tapping up 72 kV bus to 750s 8 Hours
Continuous
 
19-Aug-21 18:00 20-Aug-21 18:00 ALTALINK Outage 166s T1 (166s Dow Chemical Fort Saskatchewan), 862L (166s Dow Chemical Fort Saskatchewan - 258s Dow Hydro Carbons), 899L (166s Dow Chemical Fort Saskatchewan - 218s Fort Saskatchewan Co-Gen), 258s T1 (258s Dow Hydro Carbons), 258s 252 (258s Dow Hydrocarbons), 258s 552 (258s Dow Hydrocarbons) migrate alarms and controls from the existing SCADA system to the new system 24 Hours
Continuous
 
20-Aug-21 07:00 24-Aug-21 18:00 ALTALINK Outage 790L (434s Stony Plain - 790AL tap) maintenance on structures 68, 69, 96, 97, 103, and 113 4.46 Days
Continuous
 
20-Aug-21 07:00 20-Aug-21 17:00 EPCOR Outage EP 511s V723 (EP 511s Victoria), EP 511s V724 (EP 511s Victoria), 72RV6 (EP 511s Victoria - Rossdale) maintenance on VDS9 10 Hours
Continuous
 
20-Aug-21 08:00 20-Aug-21 17:00 ATCO RB 7L28 (717s Ethel Lake - 846s Grand Centre) 846s maintenance, tap down mobile sub from 7L28 9 Hours
Continuous
 
20-Aug-21 08:00 30-Aug-21 18:00 SUNCOR Outage 29PL6-6 (29EDD-1 Millennium - 29EDD-2 Tar Island replacement of B protection upgrade 10.42 Days
Continuous
 
20-Aug-21 08:00 20-Aug-21 17:00 ATCO TE ATCO Radio Tower change Loyalist_S_Telecom MPLS setting to Bdl MRRU 9 Hours
Continuous
 
20-Aug-21 11:00 26-Aug-21 17:00 ATCO, SUNCOR Outage 29PL9-1 (29EDD-1 Millennium - 848s Ruth Lake) maintenance activities at Suncor base plant 6.25 Days
Continuous
 
20-Aug-21 18:00 01-Sep-21 18:00 ALTALINK Outage 862L, 258s T1 & 138kV Bus 1 - GOI, 862L (166s Dow Chemical Fort Saskatchewan - 258s Dow Hydro Carbons), 258s T1 (258s Dow Hydro Carbons), 258s 138kV Bus 1 (258s Dowhydrocarbons) Migrate alarms and controls from the existing SCADA system to the new system. This will include 138kV Bus 1 protection, T1 Protection, breakers 258s252, 258s652, and 258s552 controls and status, MOD 258s862X control and status, and 862L protection alarms. 166s4 switch replacement and strain insulator replacement on 862L @ 258s 12 Days
Continuous
 
20-Aug-21 18:00 02-Sep-21 18:00 ALTALINK Outage 267s 138kV Bus (748L, C1, C2, C3) - GOI, 748L (267s Killarney Lake - 277s Hayter) Replacing 267s23 (C2) with a new breaker/switch and VT2. 13 Days
Continuous
 

Prepared On:   2021-08-11   15:19:49

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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