Alberta Electric System Operator
System Co-ordination Plan
2021-07-29 to 2021-08-06
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
 
19-Sep-19 08:00 31-Aug-21 16:00 ATCO Outage 826s 504R (826s Marguerite Lake) emergency: move reactor from 826s to 732s 712.33 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 31-Jul-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 171.21 Days
Continuous
 
22-Feb-21 07:00 06-Aug-21 17:00 EPCOR TE Garneau Garneau S/S breaker fail protection 165.38 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
 
28-May-21 18:00 31-Jul-21 16:00 ALTALINK Outage 277s T2 (277s Hayter) real-time outage birds nest in T2 63.92 Days
Continuous
 
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
 
05-Jul-21 08:00 30-Jul-21 17:30 ATCO Outage 2075s 917 (2075s Newell), 2075s 918 (2075s Newell), 2075s ACF14 (2075s Newell), 2075s ACF13 (2075s Newell), 2075s ACF12 (2075s Newell), 2075s SVC1 (2075s Newell) cooling system maintenance 25.4 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 06-Aug-21 16:00 ENMAX IO Altalink outage. (2sub) 5s C4(cap16) cap bank replacement 25.33 Days
Continuous
 
12-Jul-21 08:00 06-Aug-21 16:00 ALTALINK Outage 5s C3 (5s East Calgary), 5s C4 (5s East Calgary) cap bank replacement (cap 16) 25.33 Days
Continuous
 
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
 
19-Jul-21 08:00 06-Aug-21 16:00 ATCO Outage 743s 702T (743s Sarah Lake) 702T Leak mitigation, 502VR replacement 18.33 Days
Continuous
 
19-Jul-21 09:30 29-Jul-21 17:30 ALTALINK TE 283S Violet Grove protection work 10.33 Days
Continuous
 
19-Jul-21 12:00 30-Jul-21 17:00 ATCO TE 743s RTU/SCADA (743s Sarah Lake) replace failed switch 11.21 Days
Continuous
 
21-Jul-21 06:30 30-Jul-21 17:30 ALTALINK RB 920L (37s-E557s) Epcor - R/B EPCOR line maintenance 9.46 Days
Continuous
 
21-Jul-21 07:00 30-Jul-21 17:00 ALTALINK, EPCOR RB 920L (37s North Calder - 557s Castle Downs) line maintenance 9.42 Days
Continuous
 
21-Jul-21 07:00 30-Jul-21 17:00 ALTALINK, EPCOR RB 920L (71s Lamoureux - 557s Castle Downs) line maintenance 9.42 Days
Continuous
 
21-Jul-21 07:00 30-Jul-21 17:00 ALTALINK IO 920L (E557s-71s) Epcor - R/B Epcor Line Maintenance 9.42 Days
Continuous
 
21-Jul-21 07:00 29-Jul-21 17:00 ALTALINK TE 498s RTU/SCADA (498s Tilley) modify RTU configuration to add new SEL-351 relay and alarm points 8.42 Days
Continuous
 
24-Jul-21 12:30 29-Jul-21 17:30 ALTALINK Outage 185L (379s Shell Canada Waterton - 396s Pincher Creek), 396s 185 (396s Pincher Creek) breaker replacement 5.21 Days
Continuous
 
26-Jul-21 07:00 30-Jul-21 17:00 ALTALINK, EPCOR Outage 909L (310p Sundance - 665s Dome) replace Dome 909LW CVT 4.42 Days
Continuous
 
26-Jul-21 07:00 30-Jul-21 17:00 ALTALINK IO 909L (E665s-310p) Epcor - Info replace Dome 909LW CVT 4.42 Days
Continuous
 
26-Jul-21 07:00 03-Aug-21 17:00 EPCOR Outage 72CH11 (987s Clover Bar - EPCOR Hardisty), H725 (EPCOR Hardisty), H722 (EPCOR Hardisty), T1 (EPCOR Hardisty) Hardisty T1 replacement 8.42 Days
Continuous
 
26-Jul-21 08:00 06-Aug-21 17:00 ALTALINK IO 5L96 BCH outage (Info Only) structure replacement 11.38 Days
Continuous
 
26-Jul-21 08:00 29-Jul-21 17:00 ALTALINK TE 276s RTU/SCADA (276s Union Carbide Prentiss) install T3 bushing CT, 276s775X breaker fail relay and 138 kV south bus ‘B’ protection 3.38 Days
Continuous
 
26-Jul-21 08:00 30-Jul-21 17:30 ALTALINK TE 42s RTU/SCADA (42s Sarcee) update RTU configuration for migration and commissioning of L13 -916L, 42s916E (1352), 96/1352, A87/L13, B87/L13, 25SR/L13 & POW/1352 associated alarms, controls, status and metering from old D20 RTU to new SMP RTU 4.4 Days
Daily
 
26-Jul-21 08:00 30-Jul-21 20:00 Syncrude Outage D05 T1 (D05 Syncrude) maintenance 4.5 Days
Continuous
 
26-Jul-21 08:00 30-Jul-21 16:00 ENMAX TE ENMAX 13 13PT138-1 replacement 4.33 Days
Continuous
 
26-Jul-21 08:00 29-Jul-21 16:00 ENMAX Outage 1.6TR (ENMAX 1) tapchanger inspection, check reversing switch, oil sampling 3.33 Days
Continuous
 
26-Jul-21 08:00 29-Jul-21 16:00 ENMAX Outage 5.9TR (ENMAX 5) power factor test transformer, secondary cable tests, transformer maintenance, gas relay testing, check reversing switch, replace PRD junction box 3.33 Days
Continuous
 
26-Jul-21 08:00 30-Jul-21 17:00 ATCO RB 9L950 (132s Ware Junction - 801s Anderson) pole change 4.38 Days
Continuous
 
26-Jul-21 08:00 30-Jul-21 17:00 ALTALINK RB 950L (132s Ware Junction - 801s Anderson) pole change on 950l/9L950 4.38 Days
Daily
 
26-Jul-21 08:00 30-Jul-21 16:00 ENMAX TE ENMAX 32 32 PT138-Z31 replacement 4.33 Days
Continuous
 
26-Jul-21 08:00 29-Jul-21 16:00 ENMAX Outage 3.3TR (ENMAX 3) ECI bushings, power factor test transformer, secondary cable tests, maintenance, gas relay testing and check reversing switch and oil sampling 3.33 Days
Continuous
 
26-Jul-21 08:00 29-Jul-21 16:00 ENMAX Outage 10.1TR (ENMAX 10) 10 sub cable trench replacement 3.33 Days
Continuous
 
26-Jul-21 08:00 04-Aug-21 17:00 ALTALINK TE 121s RTU/SCADA (121s Brooks) add and commission new RTU/HMI alarms for P&C relay moves 9.38 Days
Continuous
 
26-Jul-21 09:00 29-Jul-21 17:00 ALTALINK Outage 42s 916E (42s Sarcee), 916L (5s East Calgary - 42s Sarcee) migrate and commission all 42s916E (1352) & L13-916L at 42s Sarcee associated line protections, recloser, POW, synch check, breakers, breaker fail alarms, status, controls, metering and remote access to new RTU and LAN. 3.33 Days
Continuous
 
26-Jul-21 09:00 30-Jul-21 17:00 BCH RB 5L96 (Selkirk - Vaseux Lake) marker ball installation, BC maintenance does not affect the Alberta ATC 4.33 Days
Daily
AB-BC
26-Jul-21 09:15 30-Jul-21 17:45 ALTALINK Outage 513s T1 (513s Range. Pipe Lundbreck), 514L (513s Range. Pipe Lundbreck - 514BL tap) 514L components str's range 209-431 4.35 Days
Continuous
 
26-Jul-21 10:00 29-Jul-21 15:00 ATCO Outage 7L40 (733s Simonette - 813s Little Smoky) crossarm changes 3.21 Days
Continuous
 
26-Jul-21 10:00 09-Aug-21 15:00 ATCO Outage 7L32 (813s Little Smoky - 862s South Bezanson) crossarm changing 14.21 Days
Continuous
 
26-Jul-21 12:00 29-Jul-21 18:00 ALTALINK Outage 199L (268s Whitecourt - 199AL tap), 268s 199N (268s Whitecourt) component replacements 199L (Str's 191-413) 3.25 Days
Continuous
 
26-Jul-21 12:00 29-Jul-21 18:00 ATCO IO 199L AltaLink component replacements 199L ( str's range 191-413) 3.25 Days
Continuous
 
26-Jul-21 12:30 09-Aug-21 10:30 ALTALINK Outage 308s T1 (308s Albchem Beaverhill Creek) fix T1 oil leaks, fix 308s4 13.92 Days
Continuous
 
27-Jul-21 07:30 29-Jul-21 17:30 ATCO IO 6L126 AltaLink requires an advice on 6L126
526L/6L126 will be in proximity for component replacements on 199L and will require reclosers to be disabled
2.42 Days
Continuous
 
27-Jul-21 07:30 29-Jul-21 17:30 ALTALINK RB 526L (268s Whitecourt - 520L tap), 526AL (638s Esso Judy Creek - 526L tap), 526L (519L tap - 526AL tap), 526L (519L tap - 526BL tap), 526L (520L tap - 526BL tap), 526L (526AL tap - 6L126 tap) component replacements on 199L 2.42 Days
Continuous
 
27-Jul-21 08:00 29-Jul-21 17:00 ALTALINK TE 304s RTU/SCADA (304s Shell Limestone) reconfigure RTU connection to new VSAT 2.38 Days
Daily
 
27-Jul-21 08:30 29-Jul-21 16:30 ALTALINK TE 320P Keephills relay maintenance 2.33 Days
Daily
 
27-Jul-21 09:00 29-Jul-21 16:00 ATCO TE 721s RTU/SCADA (721s La Corey) RTU & HMI updates 2.29 Days
Continuous
 
28-Jul-21 08:00 29-Jul-21 17:00 ATCO Outage 718s 703 (718s Parsons Creek), 7L165 (718s Parsons Creek - 933s Tower Road) 703 breaker maintenance 1.38 Days
Continuous
 
28-Jul-21 08:00 29-Jul-21 17:00 ALTALINK TE 525s RTU/SCADA (525s Carseland) RTU database update 1.38 Days
Daily
 
28-Jul-21 08:00 29-Jul-21 17:30 ALTALINK TE 89s RTU/SCADA (89s Ellerslie) commissioning for geomagnetically induced current monitoring CTs and SCADA equipment 1.4 Days
Daily
 
28-Jul-21 09:00 29-Jul-21 17:00 ATCO Outage 749s 701T (749s Flyingshot Lake) 701T major 1.33 Days
Continuous
 
29-Jul-21 07:00 29-Jul-21 17:00 EPCOR Outage 805s T3 (805s Jasper) bus PT inspection with ABB 10 Hours
Continuous
 
29-Jul-21 07:15 29-Jul-21 14:00 ALTALINK Outage 498s T2 (498s Tilley) complete trip testing on 498s22, settings change, and CT wiring for new protections 6.75 Hours
Daily
 
29-Jul-21 07:45 29-Jul-21 17:45 ALTALINK Outage 151s T2 (151s Strathmore) replace temp gauges 10 Hours
Daily
 
29-Jul-21 08:00 29-Jul-21 11:00 ALTALINK Outage 89s 252 (89s Ellerslie) breaker maintenance 3 Hours
Continuous
 
29-Jul-21 08:00 29-Jul-21 12:00 ENMAX Outage 14.83L (ENMAX 14 - ENMAX 36) SF6 gas sample, resample 4 Hours
Continuous
 
29-Jul-21 09:00 29-Jul-21 10:30 ALTALINK Outage 283s 836W (283s Violet Grove), 836L (61s Lodgepole - 283s Violet Grove) transformer protection upgrade, trip testing to breaker 90 Mins
Daily
 
29-Jul-21 12:00 29-Jul-21 16:00 ENMAX Outage 47B138-771/1 (ENMAX 47) SF6 gas sample 4 Hours
Continuous
 
30-Jul-21 08:00 30-Jul-21 16:00 ENMAX, ALTALINK Outage 693L (42s Sarcee - ENMAX 10), 10.2TR (ENMAX 10) power factor test 10PT138-693, 10PT138-Z31 8 Hours
Continuous
 
30-Jul-21 08:00 30-Jul-21 16:00 ALTALINK IO 693L OOS for Enmax Info power factor test 10PT138-693, 10PT138-Z31 8 Hours
Daily
 
30-Jul-21 08:00 30-Jul-21 17:00 ATCO Outage 7L71 (718s Parsons Creek - 2082s Dog Rib), 718s 702 (718s Parsons Creek) 702 breaker maintenance 9 Hours
Continuous
 
31-Jul-21 08:00 12-Aug-21 17:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 635PL6-1001 12.38 Days
Daily
 
01-Aug-21 08:00 06-Aug-21 17:00 ALTALINK TE 276s RTU/SCADA (276s Union Carbide Prentiss) bushing CT installation 5.38 Days
Continuous
 
02-Aug-21 08:00 05-Aug-21 18:00 SUNCOR Outage Unmodeled Transmission Facility (Suncor) 29EDD18; 29PL3-167 system; PM 5y 3.42 Days
Continuous
 
02-Aug-21 08:00 02-Aug-21 12:00 ENMAX Outage 24.82L (ENMAX 24 - ENMAX 65), 24.2TR (ENMAX 24) substation summer washing and check reversing switch 4 Hours
Continuous
 
02-Aug-21 08:00 02-Aug-21 12:00 ALTALINK IO 24.82L (C24s-C65s) OOS- Enmax Info substation summer washing, check reversing switch 4 Hours
Daily
 
02-Aug-21 08:00 06-Aug-21 18:00 ATCO TE 755s RTU/SCADA (755s Cordel) station controller updates, replace failed GPS clock, test alarms with historian 4.42 Days
Continuous
 
02-Aug-21 09:00 06-Aug-21 17:00 BCH RB 5L96 (Selkirk - Vaseux Lake) marker ball installation, BC maintenance does not affect the Alberta ATC 4.33 Days
Daily
AB-BC
02-Aug-21 12:00 02-Aug-21 18:00 ENMAX, ALTALINK Outage 24.81L (ENMAX 24 - ENMAX 31), 24.83L (74s Janet - ENMAX 24), 24.1TR (ENMAX 24) substation summer washing and check reversing switch 6 Hours
Continuous
 
02-Aug-21 12:00 02-Aug-21 18:00 ALTALINK IO 24.81L, 24.83L (74s-C24s-C31s)Enmax Advi Substation Summer Washing. Check Reversing Switch. Enmax needs breaker open advice on 74s24.83X. 6 Hours
Daily
 
03-Aug-21 07:00 13-Aug-21 17:00 EPCOR Outage G2 and 1204 Bay @ Genesee 330P 1204 Bay Doble, G2 Arrestor Doble, G2 Zone Relay Maintenance 10.42 Days
Continuous
 
03-Aug-21 07:30 06-Aug-21 17:30 ALTALINK RB 995L (62s Brazeau - 995AL tap), 995L (17s Benalto - 995AL tap) line clearance mitigation (strs 9 - 203) 3.42 Days
Daily
 
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 08:00 06-Aug-21 17:30 ALTALINK TE 42s RTU/SCADA (42s Sarcee) supervisory outage to update RTU configuration for migration and commissioning 3.4 Days
Daily
 
03-Aug-21 08:00 05-Aug-21 17:00 ATCO RB 9L16 (755s Cordel - 972s Tinchebray) climbing inspection 2.38 Days
Continuous
 
03-Aug-21 08:00 05-Aug-21 20:00 Syncrude Outage D05 T2 (D05 Syncrude) maintenance 2.5 Days
Continuous
 
03-Aug-21 08:00 05-Aug-21 11:30 ATCO Outage 848s 907 (848s Ruth Lake) 907 breaker maintenance 2.15 Days
Continuous
 
03-Aug-21 08:00 05-Aug-21 17:00 ATCO Outage 863S 902, 9L948, 9L948 (650s Hansman Lake - 863s Paintearth) 902 Maintenance 2.38 Days
Continuous
 
03-Aug-21 08:00 06-Aug-21 17:00 ALTALINK TE 525s RTU/SCADA (525s Carseland) RTU database update 3.38 Days
Daily
 
03-Aug-21 08:00 05-Aug-21 17:00 ALTALINK IO 9L948 (A863S-650s) OOS - Atco Info 902 maintenance 2.38 Days
Continuous
 
03-Aug-21 08:00 03-Aug-21 16:00 ENMAX Outage 20.82L. 20.3TR, 20.82L (ENMAX 20 - ENMAX 21), 20.3TR (ENMAX 20) Power factor test 20PT138-Z31 8 Hours
Continuous
 
03-Aug-21 08:00 03-Aug-21 12:00 ENMAX Outage 40.81L, 40.81L (ENMAX 40 - ENMAX 41) SF6 Gas sample 40B138-40.81 4 Hours
Continuous
 
03-Aug-21 08:00 06-Aug-21 16:00 ENMAX Outage 22.2TR (ENMAX 22) tapchanger inspection 3.33 Days
Continuous
 
03-Aug-21 08:00 05-Aug-21 16:00 ENMAX Outage 28.2TR (ENMAX 28) NGR installation 2.33 Days
Continuous
 
03-Aug-21 08:30 03-Aug-21 15:30 ALTALINK RB 613L (103s Goose Lake - 396s Pincher Creek) 613L in proximity to work on 514L2 replace insulation 7 Hours
Daily
 
03-Aug-21 08:30 10-Aug-21 15:30 ALTALINK RB 777L (48s Pocaterra - 245s Seebe) safety concern due to proximity 7.29 Days
Daily
 
03-Aug-21 09:00 06-Aug-21 18:00 ALTALINK Outage 199L (268s - 199L187C) - GOI, 199L (268s Whitecourt - 199AL tap) Component Replacements 199L ( Str's Range 191-413) 3.38 Days
Continuous
 
03-Aug-21 09:00 06-Aug-21 18:00 ATCO IO 199L component replacement 3.38 Days
Continuous
 
03-Aug-21 09:00 03-Aug-21 17:30 ALTALINK TE B2s (Cranbrook) Supervisory Techs require a SCADA outage to upgrade/update D25 RTU Firmware and replace boot ROM, 15 minute loss of visibility including tie line 1201L 8.5 Hours
Daily
 
03-Aug-21 09:15 03-Aug-21 15:45 ALTALINK Outage 514L (396s Pincher Creek - 514BL tap), 514L (513s Range. Pipe Lundbreck - 514BL tap) 514L2 replace insulation 6.5 Hours
Daily
 
03-Aug-21 09:30 05-Aug-21 16:30 ALTALINK Outage 42s C2 (42s Sarcee) migrate and commission all cap bank C2 & 42S74 (2152) associated protections, breakers, breaker fail, POW alarms, status, controls, metering and remote access to new RTU and LAN 2.29 Days
Continuous
 
03-Aug-21 10:00 09-Aug-21 15:00 ATCO Outage 7L48, 7L48 (794s Valleyview - 882s Triangle) walk up - climbing inspection with insulator changes 6.21 Days
Continuous
 
03-Aug-21 10:00 09-Aug-21 15:00 ATCO Outage 7L40 (733s Simonette - 813s Little Smoky) crossarm changes 6.21 Days
Continuous
 
03-Aug-21 10:00 06-Aug-21 18:00 ALTALINK Outage 707L (54s Fort Saskatchewan - 166s Dow Chemical Fort Saskatchewan), 166s T2 (166s Dow Chemical Fort Saskatchewan) transformer and switches maintenance 3.33 Days
Continuous
 
03-Aug-21 10:00 03-Aug-21 14:00 ATCO RB 7L92 (709s Vegreville - 819s Whitby Lake) report of a pretty bad leaning pole on 7L92 4 Hours
Continuous
 
03-Aug-21 10:00 03-Aug-21 15:00 ALTALINK TE 701s RTU/SCADA (701s Blue Ridge Lumber) communications repair 5 Hours
Daily
 
03-Aug-21 11:00 05-Aug-21 17:00 ALTALINK Outage 74s 552 (74s Janet) crew will get ACC to perform a couple of open and closes as needed when they are ready 2.25 Days
Daily
 
03-Aug-21 11:00 03-Aug-21 15:00 ATCO RB 832S Blumenort, 7L76 (786s High Level - 832s Blumenort) maintenance 4 Hours
Continuous
 
03-Aug-21 12:00 03-Aug-21 16:00 ENMAX Outage 41.1C (ENMAX 41) SF6 gas sample 4 Hours
Continuous
 
03-Aug-21 12:00 03-Aug-21 15:30 ATCO TE 930s Syn Condenser (930s Arcenciel), 930S Arcenciel maintenance 3.5 Hours
Continuous
 
03-Aug-21 12:30 04-Aug-21 17:30 ALTALINK TE 89s RTU/SCADA (89s Ellerslie) investigate and correct the SYSLog config settings on Tekron CLK-4, Tekron CLK-5, Tekron CLK-6, & SMP 16/CP-PM A & B 29 Hours
Daily
 
03-Aug-21 13:00 03-Aug-21 17:30 ALTALINK TE 132s RTU/SCADA (132s Ware Junction) firmware of the SMP RTU to be upgraded to the latest versions 4.5 Hours
Daily
 
03-Aug-21 15:30 03-Aug-21 17:30 ATCO TE 930s Syn Condenser (930s Arcenciel), 930S Arcenciel maintenance 2 Hours
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 07:30 06-Aug-21 17:30 ALTALINK RB 722L (107s Westfield - 368s Burdett) arms and insulator replacements (str 5 - 11) 2.42 Days
Daily
 
04-Aug-21 08:00 04-Aug-21 18:00 Syncrude TE Syncrude ICCP Outage SCADA - server update 10 Hours
Daily
 
04-Aug-21 08:00 04-Aug-21 17:00 ALTALINK Outage 428s T2 (428s Namaka), 428s 652 (428s Namaka) PRC - 005 gather load readings for compliant relay maintenance 9 Hours
Daily
 
04-Aug-21 08:00 05-Aug-21 16:00 ENMAX, ALTALINK Outage 1080L (ENMAX 25 - ENMAX 65), 25B240-D138 (ENMAX 25), 25B240-D139 (ENMAX 25) 25MD240-1080 replacement 1.33 Days
Continuous
 
04-Aug-21 08:00 05-Aug-21 16:00 ALTALINK IO 1080L OOS for Enmax Info 25MD240-1080 replacement 1.33 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
 
04-Aug-21 08:30 04-Aug-21 16:30 ALTALINK TE 428S Namaka relay maintenance 8 Hours
Daily
 
04-Aug-21 08:30 04-Aug-21 17:30 ALTALINK TE 89S Ellerslie relay settings changes and firmware upgrades 9 Hours
Daily
 
04-Aug-21 08:30 05-Aug-21 17:00 ALTALINK TE 138s Windy Flats RTU/SCADA RTU firmware upgrade and SCADA checkout 1.35 Days
Daily
 
04-Aug-21 09:30 04-Aug-21 12:30 ATCO TE 930s Syn Condenser (930s Arcenciel) PRC-005 microprocessor relay testing 3 Hours
Continuous
 
04-Aug-21 10:00 04-Aug-21 14:00 ALTALINK Outage 287s 552 (287s Hazelwood) 240 kV breaker maintenance 4 Hours
Daily
 
04-Aug-21 10:30 04-Aug-21 16:30 ALTALINK TE 409S Shell Scotford maintenance synch check 6 Hours
Daily
 
04-Aug-21 12:00 09-Aug-21 16:00 ENMAX Outage 32.3TR (ENMAX 32) NGR installation 5.17 Days
Continuous
 
04-Aug-21 13:30 04-Aug-21 16:30 ATCO TE 930s Syn Condenser (930s Arcenciel) PRC-005 microprocessor relay testing 3 Hours
Continuous
 
04-Aug-21 23:00 05-Aug-21 03:00 ALTALINK Outage 62s 11 (62s Brazeau) maintenanace 4 Hours
Continuous
 
05-Aug-21 03:00 05-Aug-21 07:00 ALTALINK Outage 62s 12 (62s Brazeau) maintenance 4 Hours
Daily
 
05-Aug-21 07:00 05-Aug-21 18:00 ALTALINK Outage 788L (157s Lac La Biche - 788AL tap), 788L (898s Heart Lake - 788AL tap) replacing Structure #285 and maintenance on Structure #284 11 Hours
Daily
 
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 05-Aug-21 18:00 ATCO IO 788L Altalink will be removing 788L (788L107A - A898s - 602L1) from service to replace Structure #285. 11 Hours
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
 
05-Aug-21 07:15 05-Aug-21 18:45 ALTALINK Outage 214s T2 (214s Innisfail) replace 214s T2 wildlife cover up 11.5 Hours
Daily
 
05-Aug-21 07:30 05-Aug-21 17:30 ALTALINK RB 444L (198s Blackfalds - 217s North Red Deer) proximity to energized circuits 10 Hours
Daily
 
05-Aug-21 08:00 06-Aug-21 16:30 ATCO Outage 848s 701 (848s Ruth Lake), 7L71 (848s Ruth Lake - 2082s Dog Rib) 701 BKR Maintenance 1.35 Days
Continuous
 
05-Aug-21 08:00 06-Aug-21 17:00 ATCO Outage 863s 902T (863s Paintearth) 902T Leak mitigation 1.38 Days
Continuous
 
05-Aug-21 08:30 05-Aug-21 16:30 ALTALINK TE 258S Dow Hydro Carbons PRC005 - relay maintenance 8 Hours
Daily
 
05-Aug-21 08:30 05-Aug-21 16:30 ALTALINK TE 258s RTU/SCADA (258s Dow Hydrocarbons) replacing failed battery 8 Hours
Daily
 
05-Aug-21 08:30 05-Aug-21 17:00 ALTALINK TE 74s RTU/SCADA (74s Janet) firmware of the SMP RTU to be upgraded to the latest versions 8.5 Hours
Daily
 
06-Aug-21 07:15 11-Aug-21 17:45 ALTALINK Outage 444L (198s Blackfalds - 217s North Red Deer) Scope of work includes replacing structures 7, 8, 10 and 12 and maintenance on Structures 1, 2, 6 and 25 5.44 Days
Continuous
 

Prepared On:   2021-07-28   14:19:30

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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