Alberta Electric System Operator
System Co-ordination Plan
2021-12-09 to 2021-12-17
Approved Outages

Previous Version
Download CSV

From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
05-Oct-18 08:00 31-Dec-22 16:00 EPCOR IO C2 (Rossdale) forced outage 1,548.38 Days
Continuous		  
24-Oct-18 01:13 31-Dec-22 16:00 EPCOR IO C1 (Rossdale) forced outage 1,529.66 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 31-Dec-21 18:00 ATCO IO 757s 703 (757s Battle River) removing CT to replace damaged one on breaker 704 331.21 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		  
26-Apr-21 09:00 31-Dec-21 17:00 ATCO TE 809s Louise Creek RTU/SCADA RTU replacement 249.38 Days
Continuous		  
12-Jul-21 08:00 28-Feb-22 16:00 ATCO TE 809S Louise Creek Louise Creek sub rebuild project -
installation, wiring and commissioning of new BF relays in subsequent outages		 231.38 Days
Continuous		  
13-Sep-21 12:15 31-Mar-22 18:00 ALTALINK Outage 437s T1 (437s Baymag) T1 A & B protection replacement 199.24 Days
Continuous		  
04-Oct-21 08:00 28-Jan-22 16:00 ATCO Outage 809s 503R (809s Louise Creek), 809s 504R (809s Louise Creek) forced outage 116.38 Days
Continuous		  
19-Oct-21 07:00 13-Dec-21 18:00 ALTALINK Outage 39s 1052 (39s Bickerdike) addition of new breaker 39s1152 and associated equipmen (P2032) 55.5 Days
Continuous		  
02-Nov-21 08:00 31-Dec-21 16:19 ATCO TE 802s Michichi Creek RTU/SCADA program changes to the RTU 59.39 Days
Continuous		  
06-Nov-21 08:00 31-Dec-21 16:00 ENMAX TE RTU/SCADA (ENMAX 8) RTU upgrade 55.38 Days
Daily		  
15-Nov-21 08:00 20-Dec-21 17:00 ALTALINK TE 186s RTU/SCADA (186s Dry Creek) downloading of newRTU configurations 35.38 Days
Daily		  
16-Nov-21 07:00 15-Jan-22 17:00 EPCOR TE 814S Bellamy, 814s RTU/SCADA (814s Bellamy), Rossdale station SA system being upgraded to accommodate future upgrade to ADMS system 60.42 Days
Daily		  
17-Nov-21 07:00 20-Dec-21 17:00 EPCOR Outage 1098L (805s Jasper - Poundmaker), T2 (Poundmaker), PM2401 (Poundmaker), PM2402 (Poundmaker), PM2403 (Poundmaker) 240 kV ring re-configuration for WETUP project (P1649) 33.42 Days
Continuous		  
17-Nov-21 07:00 20-Dec-21 17:00 ALTALINK IO 1098L (Poundmaker-E805s) Epcor - Info Epcor continuation of 240 kV ring re-configuration for WETUP projec 33.42 Days
Continuous		  
17-Nov-21 07:15 13-Dec-21 17:45 ALTALINK Outage 225L (67s Stirling - 225s Magrath), 225AL (313s Raymond Reservoir - 225L tap) rebuilding a portion of 225L from structure 241 to structure 281 26.44 Days
Continuous		  
23-Nov-21 08:30 17-Dec-21 17:30 ALTALINK IO 887L/1L274 (48s) - BCH Advice transmission refurbishment. advice needed by BC Hydro on 48s38. 24.38 Days
Continuous		  
23-Nov-21 09:00 17-Dec-21 17:00 BCH Outage 1L274 (48s Pocaterra - Britt Creek) transmission refurbishment 24.33 Days
Continuous		 AB-BC
26-Nov-21 07:00 10-Dec-21 09:00 EPCOR Outage 72MG16 (Garneau - Meadowlark), M724 (Meadowlark), G724 (Garneau), G726 (Garneau) steel install for new Duresca bus installation 14.08 Days
Continuous		  
29-Nov-21 07:00 17-Dec-21 17:00 EPCOR Outage EP 511s V728 (EP 511s Victoria), EP 511s V729 (EP 511s Victoria), 72VN21 (EP 511s Victoria - Namao) structure replacement 18.42 Days
Continuous		  
29-Nov-21 07:30 10-Dec-21 17:30 ALTALINK RB 113L (20s Ghost - 33s Spray) safety concern - vegetation clearing between structures 1 and 91 11.42 Days
Daily		  
30-Nov-21 07:00 01-Feb-22 17:00 EPCOR TE 330P Genesee accommodate future upgrade to ADMS system 63.42 Days
Daily		  
30-Nov-21 12:00 20-Dec-21 16:00 ATCO Outage 6L12 (775s Sullivan Lake - 6L25 tap), 6L03 (775s Sullivan Lake - 6L17 tap) 775S Sullivan Lake substation rebuild 20.17 Days
Continuous		  
01-Dec-21 08:00 10-Dec-21 16:00 CNRL TE 842s Horizon Upgrading RTU/SCADA RTU replacement 9.33 Days
Continuous		  
01-Dec-21 08:00 10-Dec-21 20:00 Syncrude TE AURORA Aurora RTU/SCADA upgraded data concentrator D200 and bay controller D25 9.5 Days
Continuous		  
03-Dec-21 07:00 17-Dec-21 17:00 ALTALINK, EPCOR RB 1045L (310p Sundance - 320p Keephills - 805s Jasper) proximity contractor work 14.42 Days
Daily		  
03-Dec-21 07:00 17-Dec-21 17:00 ALTALINK, EPCOR RB 1044L (805s Jasper - 816s Petrolia) proximity contractor work 14.42 Days
Daily		  
03-Dec-21 07:00 17-Dec-21 17:00 ALTALINK IO 1045L (E805s-320p-310p) Epcor - R/B EPCOR proximity contractor work 14.42 Days
Daily		  
03-Dec-21 08:00 31-Mar-22 17:00 ATCO TE 7L84 (722s Crystal Lake - 749s Flyingshot Lake) emergency - relay settings changes at 722s and 749s 118.33 Days
Continuous		  
06-Dec-21 07:15 12-Dec-21 17:45 ALTALINK Outage 370s T1 (370s North Lethbridge) complete secondary U/G cabling, install tie breaker 6.44 Days
Continuous		  
06-Dec-21 07:30 09-Dec-21 17:30 ALTALINK TE 135s RTU/SCADA (135s Conrad) add and commission new RTU/HMI alarms 3.42 Days
Continuous		  
06-Dec-21 07:30 10-Dec-21 17:30 ALTALINK TE 12s RTU/SCADA (12s Heartland) urgent RTU replacement 4.42 Days
Daily		  
06-Dec-21 07:30 24-Dec-21 16:00 ENMAX Outage 38.1C (ENMAX 38), 38B138-38.1CAP (ENMAX 38) forced outage 18.35 Days
Continuous		  
06-Dec-21 08:00 09-Dec-21 17:00 ALTALINK TE 59s RTU/SCADA (59s Peigan) update RTU configuration 3.38 Days
Continuous		  
06-Dec-21 08:00 11-Dec-21 08:00 ENMAX Outage 5.5TR (ENMAX 5) relay testing 5 Days
Continuous		  
06-Dec-21 08:00 16-Dec-21 20:00 Syncrude TE D05 D05 72 kV - ML-1 feeder operation 10.5 Days
Continuous		  
06-Dec-21 08:30 09-Dec-21 17:00 TRANSALTA TE 59S Peigan implement fault reporting functionality into protection and site SCADA 3.35 Days
Continuous		  
06-Dec-21 09:00 13-Dec-21 12:00 ATCO Outage 7L45 (798s Bridge Creek - 813s Little Smoky) changing poles from test and treat 7.13 Days
Continuous		  
06-Dec-21 09:15 09-Dec-21 17:45 ALTALINK Outage 443L (55s Olds - 214s Innisfail) components and structure replacements (Str 1-86) 3.35 Days
Continuous		  
06-Dec-21 09:15 09-Dec-21 17:45 ALTALINK Outage 814L (28s West Brooks - 121s Brooks) fire mitigation and component replacements (str 4-35) 3.35 Days
Continuous		  
06-Dec-21 09:30 09-Dec-21 17:30 ALTALINK RB 827L (28s West Brooks - 121s Brooks) safety requirement for 814L work 3.33 Days
Daily		  
06-Dec-21 12:00 20-Dec-21 17:00 ATCO Outage 7L59 (789s Keg River - 7L59 tap) replace cross arms and replace poles 14.21 Days
Continuous		  
06-Dec-21 13:00 09-Dec-21 17:00 ALTALINK IO 6L126 (743s Sarah Lake - 526L tap) Altalink request - multiple structure replacements 526L (Str's Range 422-521) 3.17 Days
Continuous		  
06-Dec-21 13:00 09-Dec-21 17:00 ALTALINK TE 289S Saunders Lake implementation of fault reporting to SCADA on 454L, 174L, & 455L protections 3.17 Days
Daily		  
06-Dec-21 13:00 09-Dec-21 17:00 ALTALINK TE 289s RTU/SCADA (289s Saunders Lake) update RTU configuration for fault reporting to SCADA 3.17 Days
Daily		  
06-Dec-21 13:00 09-Dec-21 17:00 ALTALINK RB 526L (268s Whitecourt - 515s Fed Pipe Judy Creek Station), 6L126 (743s Sarah Lake - 526L tap) multiple structure replacements 3.17 Days
Continuous		  
07-Dec-21 07:30 10-Dec-21 17:30 ALTALINK RB 604L (149s Nisku - 155s Blackmud) salvaging old portion of 604L structures #22 - 36 3.42 Days
Daily		  
07-Dec-21 09:00 10-Dec-21 12:00 ALTALINK TE 678s Okotoks RTU/SCADA install new RTU configuration 3.13 Days
Continuous		  
08-Dec-21 07:30 09-Dec-21 17:30 ALTALINK TE 421s RTU/SCADA (421s Hays) update RTU configuration to add new battery monitoring alarm 1.42 Days
Continuous		  
08-Dec-21 09:00 09-Dec-21 14:00 ALTALINK TE 358s RTU/SCADA (358s Amoco Brazeau) techs to investigate/correct 24VDC, major alarm issue 29 Hours
Daily		  
09-Dec-21 07:15 09-Dec-21 17:45 ALTALINK Outage 370s 770E (370s North Lethbridge), 770L (254s Coaldale - 370s North Lethbridge) isolate breaker to complete P&C cutovers 10.5 Hours
Continuous		  
09-Dec-21 07:15 09-Dec-21 17:45 ALTALINK Outage 426L (63s Red Deer - 194s South Red Deer) maintenance structure 13 10.5 Hours
Daily		  
09-Dec-21 08:00 09-Dec-21 16:00 ATCO TE ATCO Radio Tower Simon Lake and Otter Lake telecom carrier cutover 8 Hours
Continuous		  
09-Dec-21 08:00 09-Dec-21 16:00 ENMAX Outage 33.1TR (ENMAX 33) relay, lockout testing 8 Hours
Continuous		  
09-Dec-21 08:00 10-Dec-21 16:00 ENMAX TE ENMAX 33 relay, lockout testing 1.33 Days
Daily		  
09-Dec-21 08:00 09-Dec-21 12:00 ENMAX Outage 11.1TR (ENMAX 11) oil sampling, tap changer heater failure 4 Hours
Continuous		  
09-Dec-21 08:00 09-Dec-21 16:00 ENMAX Outage 9.80L (ENMAX 9 - ENMAX 31) 138 kV DFR equipment upgrade 8 Hours
Continuous		  
09-Dec-21 08:00 09-Dec-21 16:00 ALTALINK Outage 787L (71s Lamoureux - 787AL tap), 166s T3 (166s Dow Chemical Fort Saskatchewan) urgent repairs to 166s17 switch 8 Hours
Continuous		  
09-Dec-21 08:30 10-Dec-21 17:30 ALTALINK IO 678S Okotoks 25 kV breaker - add remote recloser control to 678s104W 1.38 Days
Continuous		  
09-Dec-21 09:00 09-Dec-21 16:00 ENMAX TE 653S Summit 688L - techs to perform settings changes 7 Hours
Daily		  
09-Dec-21 09:15 20-Dec-21 17:45 ALTALINK, BHE Canada Outage 1005L (120s Picture Butte - 356s Milo), 356s 252 (356s Milo), 356s 152 (356s Milo), 120s 152 (120s Picture Butte), 120s 252 (120s Picture Butte) connect customer substation to 1005AL, final commissioning (P2009) 11.35 Days
Continuous		  
09-Dec-21 09:30 09-Dec-21 13:30 ALTALINK Outage 71s 952 (71s Lamoureux), 71s C1 (71s Lamoureux) trip testing from new 240 kV 'B' protection 4 Hours
Continuous		  
09-Dec-21 09:30 09-Dec-21 15:30 ALTALINK Outage 428s 652 (428s Namaka), 428s T2 (428s Namaka) SF6 gas top up 6 Hours
Daily		  
09-Dec-21 09:30 09-Dec-21 17:30 ALTALINK TE 71S Lamoureux trip testing from new 240 kV bus B protection 8 Hours
Continuous		  
09-Dec-21 10:00 20-Dec-21 17:00 ALTALINK TE 356s RTU/SCADA (356s Milo) daily RTU database updates (P2009) 11.29 Days
Daily		  
09-Dec-21 10:00 20-Dec-21 17:00 MONTANA TE 120s RTU/SCADA (120s Picture Butte) RTU database updates (P2009) 11.29 Days
Daily		  
09-Dec-21 12:00 09-Dec-21 16:00 ENMAX Outage 11.2TR (ENMAX 11) oil leak and reversing switch check 4 Hours
Continuous		  
09-Dec-21 13:30 09-Dec-21 17:30 ALTALINK Outage 71s 1052 (71s Lamoureux), 71s C2 (71s Lamoureux) trip testing from new 240 kV 'B' protection 4 Hours
Continuous		  
10-Dec-21 07:15 11-Dec-21 17:45 ALTALINK Outage 719L (256s Harmattan - 719CL tap) maintenance work on strs 65, 68, 69, 70 and 72 1.44 Days
Continuous		  
10-Dec-21 07:15 10-Dec-21 14:45 ALTALINK Outage 370s T3 (370s North Lethbridge), 370s 2152 (370s North Lethbridge) complete P&C cutovers, remove and add trips, modify block close 7.5 Hours
Continuous		  
10-Dec-21 07:15 11-Dec-21 17:45 ALTALINK Outage 755L (247s Piper Creek - 535s Joffre) urgent spacer installation at structures 118 - 125 1.44 Days
Continuous		  
10-Dec-21 08:00 10-Dec-21 16:00 ENMAX Outage 33.2TR (ENMAX 33) relay, lockout testing 8 Hours
Continuous		  
10-Dec-21 08:00 10-Dec-21 16:00 ALTALINK TE 12S Heartland commissioning of SCADA metering through replacement RTU using secondary injections 8 Hours
Daily		  
10-Dec-21 08:00 10-Dec-21 16:00 ENMAX Outage 31B138-31CAP (ENMAX 31) 138 kV DFR equipment upgrade 8 Hours
Continuous		  
10-Dec-21 09:00 10-Dec-21 15:00 ATCO TE 749s Flyingshot Lake RTU/SCADA testing station controller 6 Hours
Continuous		  
10-Dec-21 09:00 10-Dec-21 17:00 ALTALINK Outage 77S Sagitawah replace A87/240B-W failed relay 8 Hours
Continuous		  
10-Dec-21 10:00 10-Dec-21 10:30 ATCO TE ATCO Radio Tower Anderson_S-Telecom - switch cut over to CISCO 3650 30 Mins
Continuous		  
11-Dec-21 08:00 12-Dec-21 16:00 ENMAX Outage 5.5TR (ENMAX 5) 5 sub TRV Project- replace MV circuit breaker 1.33 Days
Continuous		  
11-Dec-21 08:00 13-Dec-21 16:00 ATCO RB 7L45 (813s Little Smoky - 845s Big Mountain) changing poles structure r #5 and 6 under mitigation 2.33 Days
Daily		  
12-Dec-21 08:00 12-Dec-21 17:00 ALTALINK TE 235s RTU/SCADA (235s Entwistle) update RTU and HMI to add new alarms and controls for new DER protection 9 Hours
Daily		  
13-Dec-21 07:00 17-Dec-21 17:30 ALTALINK TE 397s RTU/SCADA (397s Benbow) SCADA update for new RAS relays 4.44 Days
Daily		  
13-Dec-21 07:00 16-Dec-21 17:30 ALTALINK TE 39s RTU/SCADA (39s Bickerdike) Cascade Project - update HMI, SLD, RTU 3.44 Days
Daily		  
13-Dec-21 07:00 17-Dec-21 17:00 EPCOR Outage LDS6 @ Lambton E803S and Summerside, EP 803s LDS6 (EP 803s Lambton), 1058L (657s Summerside - EP 803s Lambton) Lambton LDS6 LCR 4.42 Days
Continuous		  
13-Dec-21 07:15 16-Dec-21 17:45 ALTALINK Outage 370s2552, 370s1552 & 25kV BUS 4 GOI Tie in bus protection trips from B1 and B3 to 370s2552. Modification of CT circuits, Block Closes, and Trips to 370s1552, CT modification on T4. Finalize AMI Power termination to BUS 4 3.44 Days
Continuous		  
13-Dec-21 07:30 17-Dec-21 17:30 ALTALINK RB 113L (20s Ghost - 33s Spray) vegetation clearing between structures 1 and 91, due to proximity of work to line, but no live line work is occurring 4.42 Days
Daily		  
13-Dec-21 07:30 16-Dec-21 12:30 ALTALINK IO 7L199/199L (741s-347s) Atco Advice changing X arms 3.21 Days
Continuous		  
13-Dec-21 07:30 14-Dec-21 16:30 ALTALINK IO 42s91 (7.82L) Advice for ENMAX Hwy 8 relocation, line relocation at 101 street, install counter weights 1.38 Days
Continuous		  
13-Dec-21 07:30 16-Dec-21 17:30 ALTALINK TE 12s RTU/SCADA (12s Heartland) urgent RTU replacement – perform full control checkout and status/alarm spot check with EMS supervisory switch 3.42 Days
Daily		  
13-Dec-21 07:30 14-Dec-21 17:30 ALTALINK TE 347s RTU/SCADA (347s Fox Creek) update RTU configuration to add new battery monitoring alarm 1.42 Days
Daily		  
13-Dec-21 08:00 16-Dec-21 12:00 ATCO Outage 7L199, 741s 7L199D1 (741s Fox Creek), 7L199 (347s Fox Creek - 741s Fox Creek) Changing X Arms 3.17 Days
Continuous		  
13-Dec-21 08:00 16-Dec-21 16:00 ATCO Outage 7L54 (794s Valleyview - 813s Little Smoky) changing x-arms 3.33 Days
Continuous		  
13-Dec-21 08:00 14-Dec-21 16:00 ENMAX, ALTALINK Outage 7.82L, 7.82L (42s Sarcee - ENMAX 7) HW 8 relocation. Line relocation at 101 street. Install counter weights 1.33 Days
Continuous		  
13-Dec-21 08:00 14-Dec-21 14:00 ALTALINK TE 356S Milo modify wiring and commissioning of new circuit -13L50 RAS 30 Hours
Daily		  
13-Dec-21 08:00 13-Dec-21 16:00 ENMAX TE ENMAX 33 relay, lockout testing, 33-Z31-86 8 Hours
Continuous		  
13-Dec-21 08:00 16-Dec-21 16:00 ENMAX TE ENMAX 38 38 sub 138 kV DFR equipment upgrade 3.33 Days
Daily		  
13-Dec-21 08:00 14-Dec-21 16:00 ENMAX Outage 38.1C (ENMAX 38) 38 SUB 138kV DFR Equipment Upgrade 1.33 Days
Continuous		  
13-Dec-21 08:00 14-Dec-21 16:00 ENMAX Outage 38.3TR (ENMAX 38) 38 sub 138 kV DFR equipment upgrade 1.33 Days
Continuous		  
13-Dec-21 08:00 17-Dec-21 18:00 ATCO TE 755s RTU/SCADA (755s Cordel) station controller updates 4.42 Days
Continuous		  
13-Dec-21 08:00 14-Dec-21 16:00 ENMAX TE ENMAX 6 relay, protection testing - 6RLY138-6.ASW 1.33 Days
Continuous		  
13-Dec-21 08:00 13-Dec-21 16:00 ENMAX Outage 31.2TR (ENMAX 31) 31 sub 138 kV DFR equipment upgrade 8 Hours
Continuous		  
13-Dec-21 08:00 16-Dec-21 17:00 ALTALINK TE 370S North Lethbridge relay settings changes, transfer CT contribution from 2552CT to 1552 CT 3.38 Days
Continuous		  
13-Dec-21 09:00 13-Dec-21 19:00 ATCO Outage 774s 705C (774s Monitor) investigate alarm on 774s 705C 10 Hours
Continuous		  
13-Dec-21 09:00 14-Dec-21 16:00 ALTALINK TE 12S Heartland commissioning of SCADA metering through replacement RTU 31 Hours
Daily		  
13-Dec-21 09:00 15-Dec-21 15:00 ALTALINK TE 385s RTU/SCADA (385s Spring Coulee) RTU database update 2.25 Days
Daily		  
13-Dec-21 09:00 15-Dec-21 18:00 ALTALINK Outage 789L (818s Winefred - 789BL tap), 789L (898s Heart Lake - 789BL tap) maintenance on Structures #77 & 78 2.38 Days
Continuous		  
13-Dec-21 09:00 13-Dec-21 14:00 ALTALINK TE 358s RTU/SCADA (358s Amoco Brazeau) investigate trouble at site 5 Hours
Continuous		  
13-Dec-21 09:00 15-Dec-21 18:00 ALTALINK IO 789L (898s Heart Lake - 789BL tap), 789L (818s Winefred - 789BL tap) AltaLink request - 789L (A898s – 602L1 – 789L192A) will be removed from service for maintenance on Structures #77 & 78. 2.38 Days
Continuous		  
13-Dec-21 09:15 16-Dec-21 17:45 ALTALINK Outage 814L (28s - 121s) GOI, 814L (28s West Brooks - 121s Brooks) Fire mitigation and component replacements (str 4-35) 3.35 Days
Continuous		  
13-Dec-21 09:15 17-Dec-21 17:45 ALTALINK Outage 443L (55s - 214s) GOI, 443L (55s Olds - 214s Innisfail) Components and structure replacements (Str 1-86) 4.35 Days
Continuous		  
13-Dec-21 09:30 16-Dec-21 17:30 ALTALINK RB 827L (28s West Brooks - 121s Brooks) safety requirement- re 814L work 3.33 Days
Daily		  
13-Dec-21 10:00 13-Dec-21 17:00 ATCO RB 6L02 (765s Mannix Mine - 873s Marion Lake) HOP required to Open 6L02D4 create Jumper J1 and J2 to Isolate 6L02D4 to repair switch See GOI #2-61987 7 Hours
Continuous		  
13-Dec-21 10:00 13-Dec-21 17:00 ATCO Outage 6L02 (765s Mannix Mine - 873s Marion Lake) urgent work to repair 6L02D4 7 Hours
Continuous		  
13-Dec-21 10:00 15-Dec-21 17:30 ATCO TE 789s RTU/SCADA (789s Keg River) download new config file onto station controller 2.31 Days
Continuous		  
13-Dec-21 11:00 16-Dec-21 18:00 ALTALINK, EPCOR RB 947L (89s Ellerslie - 987s Clover Bar) due to proximity to 915L work 3.29 Days
Continuous		  
13-Dec-21 11:00 16-Dec-21 18:00 ALTALINK, EPCOR Outage 915L (38s - E987) - GOI, 915L (38s East Edmonton - 987s Clover Bar) Fire Mitigation component replacement's 915L( Str's 12, 13, 14) Double circuits 947L See Also 947L R/B SAP: 277629 3.29 Days
Continuous		  
13-Dec-21 11:00 16-Dec-21 18:00 ALTALINK, EPCOR RB 947L (89s Ellerslie - 987s Clover Bar) Required for 915L GOI SAP: 277628 Due to proximity 3.29 Days
Continuous		  
13-Dec-21 11:00 16-Dec-21 18:00 ALTALINK, EPCOR IO 915L (38s East Edmonton - 987s Clover Bar) Fire Mitigation component replacement's 915L( Str's 12, 13, 14) Double circuits 947L See Also 947L R/B SAP: 277629 3.29 Days
Continuous		  
13-Dec-21 13:00 20-Dec-21 15:00 ATCO Outage 6L09 (767s Oyen - 6L21 tap), 6L21 (Youngstown Express - 6L09 tap), 6L09 (772s Youngstown - 776s Richdale) pole replacement on 6L09 7.08 Days
Continuous		  
13-Dec-21 13:00 15-Dec-21 16:00 ALTALINK TE 526S Buffalo Creek 526s 336 - add U/V local enable/disable switch, alarms and controls and test back to ACC 2.13 Days
Daily		  
13-Dec-21 13:00 16-Dec-21 16:00 ALTALINK TE 526s RTU/SCADA (526s Buffalo Creek) update RTU and HMI to add new alarms and controls for new protection 3.13 Days
Daily		  
13-Dec-21 13:00 16-Dec-21 17:00 ALTALINK IO 6L126 (743s Sarah Lake - 526L tap) Altalink Request - Multiple structure replacements 526L (Str's Range 422-521) 3.17 Days
Continuous		  
13-Dec-21 13:00 20-Dec-21 12:00 ATCO Outage 7L46 (813s Little Smoky - 845s Big Mountain) changing poles from test and treat 6.96 Days
Continuous		  
13-Dec-21 13:00 16-Dec-21 17:00 ALTALINK RB 526L (268s Whitecourt - 236s Judy Creek), 6L126 (743s Sarah Lake - 526L tap) component replacement 3.17 Days
Continuous		  
13-Dec-21 13:00 16-Dec-21 17:00 ALTALINK TE 289s RTU/SCADA (289s Saunders Lake) update RTU configuration for fault reporting to SCADA 3.17 Days
Daily		  
13-Dec-21 13:00 16-Dec-21 17:00 ALTALINK TE 289S Saunders Lake DNP setting changes and testing on 858L, 910L, 1140L, 914L, & 1112L protections 3.17 Days
Daily		  
14-Dec-21 07:00 15-Dec-21 18:00 ALTALINK Outage 700L (422s Westwood - 746s Sherwood Park), 746L (700L tap - 746AL tap), 422s 700 (422s Westwood) replace 700L41 in preparation for line move and relocation 1.46 Days
Continuous		  
14-Dec-21 07:00 14-Dec-21 17:00 EPCOR Outage T2 (Woodcroft) tap changer maintenance and leak Inspection 10 Hours
Continuous		  
14-Dec-21 07:30 15-Dec-21 14:30 ALTALINK Outage 283s 835E (283s Violet Grove), 835L (283s Violet Grove - 835AL tap) replace leaking A phase CT on 283s835E 31 Hours
Continuous		  
14-Dec-21 08:00 16-Dec-21 16:00 ALTALINK TE 526s T1 (526s Buffalo Creek) removing the B87 relay from service to add U/V local enable/disable switch, alarms and controls and test back to ACC 2.33 Days
Daily		  
14-Dec-21 08:00 15-Dec-21 16:00 ALTALINK Outage 428s T2 (428s Namaka), 428s 652 (428s Namaka) bird cover up installation 1.33 Days
Continuous		  
14-Dec-21 08:00 14-Dec-21 13:00 ALTALINK TE 9910R MPLS & Radio - TPR/RTU Upgrade MPLS node and radio software. Loss of visibility of 526s for timeframe indicated. 7L50 Halkirk RAS will be out of service for timeframe indicated. 491L TPR will be out of service causing slow fault clearing - no stability concerns from AESO. 5 Hours
Daily		  
14-Dec-21 08:00 14-Dec-21 11:00 ALTALINK Outage 320p 3152 (320p Keephills) top up SF6 3 Hours
Daily		  
14-Dec-21 08:00 14-Dec-21 13:00 ATCO IO 252S 7L50 Protection Relay AltaLink notice of work: AltaLink is upgrading radio software at 9910R ,The 7L50/Halkirk RAS will be OOS for the duration of the work. 5 Hours
Continuous		  
14-Dec-21 08:00 15-Dec-21 16:00 ENMAX TE ENMAX 40 relay, lockout testing, 40.1TR-86, 40.2TR-86 1.33 Days
Daily		  
14-Dec-21 08:00 14-Dec-21 16:00 ENMAX Outage 40.1TR (ENMAX 40) relay, lockout testing, 40.1TR-86 8 Hours
Continuous		  
14-Dec-21 08:00 16-Dec-21 15:00 ALTALINK TE 83s RTU/SCADA (83s Taber) RTU database updates 2.29 Days
Daily		  
14-Dec-21 08:00 14-Dec-21 16:00 ENMAX Outage 24.81L (ENMAX 24 - ENMAX 31), 31B138-24.81 (ENMAX 31) 31 SUB 138kV DFR equipment upgrade 8 Hours
Continuous		  
14-Dec-21 08:00 14-Dec-21 12:00 ALTALINK IO 24.81L (C24s-C31s) Enmax - Info 31 sub 138 kV DFR equipment upgrade 4 Hours
Daily		  
14-Dec-21 08:00 15-Dec-21 18:00 ALTALINK TE 701s RTU/SCADA (701s Blue Ridge Lumber) set up temporary cell communication 1.42 Days
Daily		  
14-Dec-21 09:00 14-Dec-21 17:00 ALTALINK Outage 723s T2 (723s Christina Lake), 723s 252 (723s Christina Lake) replace fuse holder for 723s31, SF6 top up & maintenance on 723s252 and sub checks 8 Hours
Daily		  
14-Dec-21 09:00 14-Dec-21 16:00 ALTALINK TE 321s Al Rothbauer perform PRC005 maintenance on 96/79/25SC/352 URC60 (s675) 7 Hours
Daily		  
14-Dec-21 09:30 14-Dec-21 17:30 ALTALINK Outage 17s T3 (17s Benalto), 17s 2852 (17s Benalto) leak repair, heater repair (17s2852) 8 Hours
Daily		  
14-Dec-21 10:00 14-Dec-21 13:00 ALTALINK IO 757s 708 - Atco Info Atco is doing breaker testing. Line to remain in service by utilizing Transfer bus and closing 757S 706 floating Breaker and associated disconnect switch prior to each outage. 3 Hours
Daily		  
14-Dec-21 10:00 14-Dec-21 13:00 ATCO Outage 757s 708 (757s Battle River) PRC005 work on breaker708 3 Hours
Continuous		  
14-Dec-21 10:00 14-Dec-21 17:00 ATCO TE 2060s RTU/SCADA (2060s Engstrom) testing station controller 7 Hours
Continuous		  
14-Dec-21 11:00 14-Dec-21 14:00 ALTALINK Outage 320p 2152 (320p Keephills) top up SF6 3 Hours
Daily		  
14-Dec-21 11:00 14-Dec-21 16:30 ALTALINK TE 138s Windy Flats RTU/SCADA settings changes 5.5 Hours
Daily		  
14-Dec-21 11:00 14-Dec-21 17:00 ALTALINK TE 213s RTU/SCADA (213s Hughenden) update RTU configuration for fault reporting to SCADA 6 Hours
Daily		  
14-Dec-21 11:00 14-Dec-21 17:00 ALTALINK TE 213S Hughenden DNP setting changes and testing on 472L protections 6 Hours
Daily		  
14-Dec-21 11:00 14-Dec-21 17:00 ATCO TE ATCO Radio Tower Heart Lake: troubleshooting and repairing RFU4 on Carrier from Heart Lake to Touchwood tower 6 Hours
Continuous		  
14-Dec-21 11:00 14-Dec-21 14:00 ALTALINK IO A898s-9934R Radio - Atco Info Atco is repairing radio equipment that will affect 9L930 TPR - redundant protection will remain in service. 3 Hours
Daily		  
14-Dec-21 13:00 16-Dec-21 17:00 ALTALINK TE 83S Taber modify wiring and commissioning of new circuit -172L 2.17 Days
Daily		  
14-Dec-21 14:30 14-Dec-21 17:00 ALTALINK TE 347s RTU/SCADA (347s Fox Creek) correct a time setting issue on RTU, SMP SG-4250 2.5 Hours
Daily		  
15-Dec-21 07:00 15-Dec-21 17:00 EPCOR TE EPCOR Hardisty T2 and T3 - setting changes and updates 10 Hours
Continuous		  
15-Dec-21 07:30 15-Dec-21 17:30 ALTALINK RB 688AL (284s Nosecreek - 688L tap), 688L (199s East Airdrie - 653s Summit) maintenance (688AL str 14) 10 Hours
Daily		  
15-Dec-21 08:00 15-Dec-21 12:00 ALTALINK TE 895s Suffield RTU/SCADA, AltaLink TPR Outage upgrade MPLS node 4 Hours
Daily		  
15-Dec-21 08:00 15-Dec-21 12:00 ALTALINK TE AltaLink Radio Tower, AltaLink RTU/SCADA upgrade MPLS nodes 9010R-7705I, 9010R-7705H 4 Hours
Daily		  
15-Dec-21 08:00 15-Dec-21 16:00 ENMAX Outage 40.2TR (ENMAX 40) relay, lockout testing, 40.2TR-86 8 Hours
Continuous		  
15-Dec-21 08:00 15-Dec-21 16:00 ENMAX Outage 31.3TR (ENMAX 31) 31 sub 138 kV DFR equipment upgrade 8 Hours
Continuous		  
15-Dec-21 08:00 16-Dec-21 16:00 ENMAX Outage 37.81L (ENMAX 37 - ENMAX 38), 38.2TR (ENMAX 38), 38B138-37.81 (ENMAX 38) 38 sub 138 kV DFR equipment upgrade 1.33 Days
Continuous		  
15-Dec-21 08:00 15-Dec-21 12:00 ATCO IO AltaLink AltaLink General Communication Work AltaLink will be upgrading the MPLS system at 895s 4 Hours
Continuous		  
15-Dec-21 08:00 15-Dec-21 16:00 ATCO TE 853s Ring Creek RTU/SCADA testing station controller 8 Hours
Continuous		  
15-Dec-21 08:00 16-Dec-21 16:00 ALTALINK IO 37.81 (C37s-C38s) Enmax - Info 38 sub 138 kV DFR equipment upgrade 1.33 Days
Continuous		  
15-Dec-21 08:30 15-Dec-21 16:30 ALTALINK Outage 526s 336 (526s Buffalo Creek) 25 kV breaker - add addition alarming to 336s protection 8 Hours
Daily		  
15-Dec-21 09:00 15-Dec-21 17:00 ALTALINK Outage 637L (17s Benalto - 580s Sylvan Lake), 17s 637 (17s Benalto) install step up transformer for heaters 8 Hours
Daily		  
15-Dec-21 09:00 15-Dec-21 17:00 ALTALINK TE 648s RTU/SCADA (648s Metiskow) implement annunciation SCADA changes for 472L protections 8 Hours
Daily		  
15-Dec-21 09:00 15-Dec-21 17:00 ALTALINK TE 648S Metiskow implement annunciation SCADA changes - 472L A protections and 472L S protections 8 Hours
Daily		  
15-Dec-21 09:00 15-Dec-21 18:00 ALTALINK Outage 39s T1 (39s Bickerdike), 39s 240kV Bus 1 (39s Bickerdike) repairs to 39s25 switch 9 Hours
Continuous		  
15-Dec-21 09:00 15-Dec-21 17:00 ALTALINK TE 1201L (520s Bennett - BCH Cranbrook) BCH work - end to end testing of 1201L TPR/RAS 8 Hours
Daily		  
15-Dec-21 09:00 15-Dec-21 17:00 ALTALINK TE 12S Heartland commissioning of SCADA metering through replacement RTU using secondary injections 8 Hours
Daily		  
15-Dec-21 09:00 15-Dec-21 17:00 ATCO IO 12S 12L70 Protection Relay, 12S 12L85 Protection Relay notice of AltaLink relay work at 12s – relays 8 Hours
Continuous		  
15-Dec-21 10:00 15-Dec-21 14:00 ATCO TE ATCO Radio Tower, ATCO TPR Outage Bullpound_S-Telecom - 7705 chassis upgrade 4 Hours
Continuous		  
15-Dec-21 10:00 15-Dec-21 17:30 SUNCOR TE 30EDD-2 RTU/SCADA updates to D20MX to update HMI alarms and metering 7.5 Hours
Continuous		  
15-Dec-21 15:00 15-Dec-21 17:00 ALTALINK IO 317s T1 Meter - Info replace 317sT1 metering equipment 2 Hours
Daily		  
16-Dec-21 07:00 16-Dec-21 17:00 EPCOR Outage T3 (Woodcroft) tap changer maintenance 10 Hours
Continuous		  
16-Dec-21 08:00 17-Dec-21 16:00 ALTALINK TE 253s RTU/SCADA (253s Blackie) new sync check alarms to be added and commissioned 1.33 Days
Daily		  
16-Dec-21 08:00 16-Dec-21 16:00 ALTALINK TE 235s T4 (235s Entwistle) implement new settings, test SCADA alarms from source, test DTT initiate to L12 protection 8 Hours
Daily		  
16-Dec-21 08:00 16-Dec-21 17:00 ALTALINK TE 235s RTU/SCADA (235s Entwistle) update RTU and HMI to add new alarms and controls for new DER protection 9 Hours
Daily		  
16-Dec-21 08:00 16-Dec-21 16:00 ENMAX Outage 6.1TR (ENMAX 6) relay, lockout testing, 6.1TR-86 8 Hours
Continuous		  
16-Dec-21 08:30 16-Dec-21 15:30 ALTALINK Outage 478s680 (680L) – GOI, 680L (478s Tucuman - 574s Nilrem), 478s 680 (478s Tucuman) Tank heater replacement 7 Hours
Daily		  
16-Dec-21 08:30 16-Dec-21 17:30 ALTALINK IO 235S Entwistle function testing of UV trip functions and auto restore function to 235s478 feeder breaker 9 Hours
Daily		  
16-Dec-21 09:00 16-Dec-21 17:00 ALTALINK TE 310P Sundance install DDR in parallel to AVT's secondary's and set DDR settings while onsite 8 Hours
Daily		  
16-Dec-21 09:00 16-Dec-21 16:30 ALTALINK TE 58s RTU/SCADA (58s Edson) update configuration for Qualitrol & Winding temp trip and alarm changes, replace 508s T1 metering equipment 7.5 Hours
Daily		  
16-Dec-21 09:00 17-Dec-21 15:00 ALTALINK TE 253S Blackie add sync check logic to the relay and commission - 253s753W 30 Hours
Continuous		  
16-Dec-21 09:00 16-Dec-21 17:00 ATCO TE 856s Kinosis RTU/SCADA testing station controller
8 Hours
Continuous		  
16-Dec-21 11:00 16-Dec-21 17:00 ALTALINK Outage 17s757N GOI, 17s 757N (17s Benalto) install step up transformer for heaters 6 Hours
Daily		  
16-Dec-21 11:00 16-Dec-21 15:00 ATCO Outage 7L23 (732s Mitsue - 796s Nipisi) escort high load under line 4 Hours
Continuous		  
16-Dec-21 12:00 16-Dec-21 17:00 ATCO TE 2081s RTU/SCADA (2081s Meadow Creek) testing station controller
5 Hours
Continuous		  
17-Dec-21 06:30 17-Dec-21 18:00 ALTALINK Outage 397s720N (720L-Open) - GOI, 720L (347s Fox Creek - 397s Benbow) Complete CT cutovers for new RAS relays 11.5 Hours
Daily		  
17-Dec-21 09:30 17-Dec-21 15:30 ATCO TE 834s 901T (834s Wesley Creek), 834s 902T (834s Wesley Creek) relay testing and maintenance on 901T and 902T 6 Hours
Continuous		  
17-Dec-21 10:00 17-Dec-21 16:00 ATCO TE 2018s RTU/SCADA (2018s Muir) testing station controller, 2018S 25kV breaker relays, RTU upgrades and changes
6 Hours
Continuous		  

Prepared On:   2021-12-08   15:05:09

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