Alberta Electric System Operator
System Co-ordination Plan
2020-03-27 to 2020-04-03
Approved Outages

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From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
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		  
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 03-Apr-20 17:00 ATCO Outage 861S 602T (861S Eurekariver) forced outage, low gas pressure 101.17 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 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 08:00 14-Apr-20 16:00 ENMAX TE ENMAX 8 installation of new switchgear 85.29 Days
Continuous		  
20-Jan-20 08:00 14-Apr-20 16:00 ENMAX TE ENMAX 8 installation of new switchgear 85.29 Days
Continuous		  
20-Jan-20 08:00 15-Apr-20 16:00 ENMAX Outage ENMAX 8 138kV Bus, 8.1TR (ENMAX 8), 8.2TR (ENMAX 8) installation of new switchgear and protection 86.29 Days
Continuous		  
20-Jan-20 08:00 14-Apr-20 16:00 ENMAX TE ENMAX 8 138kV Bus installation of new switchgear 85.29 Days
Daily		  
24-Jan-20 08:00 03-Jul-20 16:00 ATCO Outage 2029s ACF13 (2029s Heathfield) Forced outage repairs 161.29 Days
Continuous		  
28-Jan-20 07:00 31-Mar-20 17:00 EPCOR IO EPCOR Network firmware upgrades 63.38 Days
Continuous		  
08-Feb-20 11:03 31-Mar-20 18:00 ALTALINK Outage 895s T2 (895s Suffield) forced outage 52.25 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 (816s Petrolia - EPCOR Riverview) 1164L A/R block at both Petrolia and Riverview S/S 111.38 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		  
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		  
02-Mar-20 08:00 15-May-20 16:00 ATCO Outage 2029s ACF11 (2029s Heathfield) Forced outage repairs 74.29 Days
Continuous		  
02-Mar-20 09:00 27-Mar-20 17:00 ATCO Outage 7L63 (783s Cadotte River - 812s Norcen) crossarm replacements 25.29 Days
Continuous		  
09-Mar-20 07:00 17-Apr-20 17:00 EPCOR Outage 72JW19 (805s Jasper - Woodcroft), 805s J724 (805s Jasper), Woodcroft W721 (Woodcroft) termination rebuild 39.42 Days
Continuous		  
09-Mar-20 07:00 31-Mar-20 15:00 ALTALINK Outage 890L (58s Edson - 207s Pinedale) rebuilding a portion of 890L between Strs 2 and 27 22.33 Days
Continuous		  
13-Mar-20 05:30 31-Mar-20 18:30 ALTALINK RB 551L (123s Banff - 953s Lake Louise) power line construction, excavation with track hoes, live line cutovers 18.54 Days
Daily		  
16-Mar-20 08:00 28-Mar-20 16:00 ATCO TE 846s Grand Centre RTU/SCADA relay upgarde 12.33 Days
Continuous		  
20-Mar-20 09:00 30-Apr-20 17:00 Medicine Hat Outage MH69s1 MH69_38 (MH69s1 Power P Switchyard) replace breaker 41.33 Days
Continuous		  
21-Mar-20 07:00 27-Mar-20 18:00 ALTALINK Outage 948L (650s Hansman Lake - 863s Paintearth) component replacements 6.46 Days
Continuous		  
21-Mar-20 07:00 30-Mar-20 18:00 ATCO IO 9L948 (650s Hansman Lake - 863s Paintearth) AML job scope: 948L component replacements 9.46 Days
Continuous		  
21-Mar-20 07:00 30-Mar-20 18:00 ATCO RB 9L27 (755s Cordel - 863s Paintearth) AltaLink doing work on 948L 9.46 Days
Continuous		  
23-Mar-20 07:00 02-Apr-20 17:00 ALTALINK TE 87S Gaetz testing fault locating on relays for 793L(L6) 756L(L1) 759L(LL4) 778L(L5) 464L(L7) (Isolate @ 209s) 914LX(L12) 914LN(L9) 10.42 Days
Daily		  
23-Mar-20 07:00 02-Apr-20 17:00 ALTALINK TE 87s Gaetz RTU/SCADA adding line fault location for 793L, 756L, 759L, 778L, 464L, 914LX, and 914LN 10.42 Days
Daily		  
23-Mar-20 08:00 27-Mar-20 17:00 ALTALINK RB 180L (15s Fort Macleod - 928s East Stavely), 180L (255s Vulcan - 928s East Stavely) OPGW testing and potential splicing work between structures 53-634 4.38 Days
Daily		  
23-Mar-20 08:00 02-Apr-20 17:00 ALTALINK TE 95S Imperial Oil Edmonton testing fault locating on relays: T1 T2 737L 738L (Isolate @ 38s) 10.38 Days
Daily		  
23-Mar-20 08:00 02-Apr-20 17:00 ALTALINK TE 95s Imperial Oil Edmonton RTU/SCADA adding line fault location for 737L and 738L 10.38 Days
Daily		  
23-Mar-20 08:00 02-Apr-20 17:00 ALTALINK TE 38S East Edmonton isolate 737L & 738L relays for fault locating addition @ 95s 10.38 Days
Daily		  
23-Mar-20 10:00 02-Apr-20 17:00 ATCO Outage 7L139 (819s Whitby Lake - 7L139D2) arm and insulator change 10.29 Days
Continuous		  
24-Mar-20 08:00 27-Mar-20 16:00 ATCO RB 7L45 (813s Little Smoky - 845s Big Mountain) 2020 - 7L45 Line mitigation (2019)
raise Structures for mitigation		 3.33 Days
Continuous		  
24-Mar-20 08:00 27-Mar-20 17:00 ATCO RB 7L46 (813s Little Smoky - 845s Big Mountain) raise structures for mitigation 3.38 Days
Continuous		  
26-Mar-20 08:00 27-Mar-20 17:00 ATCO TE 856S Kinosis relay testing for 903T 1.38 Days
Continuous		  
26-Mar-20 09:00 27-Mar-20 17:00 ATCO TE 790s 701T (790s Poplar Hill) fan addition 1.33 Days
Continuous		  
26-Mar-20 09:00 27-Mar-20 17:00 ATCO TE 790S Poplar Hill protection testing for 701T 1.33 Days
Continuous		  
26-Mar-20 14:30 30-Mar-20 18:00 ALTALINK Outage 283s 31 (283s Violet Grove), 283s C1 (283s Violet Grove) forced outage 4.15 Days
Continuous		  
27-Mar-20 08:00 27-Mar-20 16:00 ENMAX Outage 14.83L (ENMAX 14 - ENMAX 36), 14.1C (ENMAX 14), 14.2C (ENMAX 14), 14.2TR (ENMAX 14), 14.4TR (ENMAX 14), 14PT138-Z31 (ENMAX 14) substation washing 8 Hours
Continuous		  
27-Mar-20 08:00 08-Apr-20 18:00 ALTALINK Outage 185L (379s Shell Canada Waterton - 396s Pincher Creek) clearance mitigation 12.42 Days
Continuous		  
27-Mar-20 09:00 27-Mar-20 17:00 ATCO TE 2091s Thornton relay setting change and testing for 7L228 8 Hours
Continuous		  
28-Mar-20 08:00 29-Mar-20 16:00 ENMAX Outage 38.83L (ENMAX 38 - ENMAX 39), 38.1C (ENMAX 38), 38.1TR (ENMAX 38), 38.3TR (ENMAX 38) switch maintenance, check reversing switch and SF6 leak 1.33 Days
Continuous		  
30-Mar-20 08:00 30-Mar-20 12:00 ENMAX Outage 2.80L (ENMAX 2 - ENMAX 23), 23.3TR (ENMAX 23) spring substation washing 4 Hours
Continuous		  
30-Mar-20 08:00 31-Mar-20 16:00 ATCO TE 846S Grand Centre relay upgrade, CSP 86/700BS1 testing (permit) and commission 86/700BS1 alarms to SOC 1.33 Days
Continuous		  
30-Mar-20 08:00 03-Apr-20 16:00 ATCO TE 846s Grand Centre RTU/SCADA relay upgrade 4.33 Days
Continuous		  
30-Mar-20 08:00 31-Mar-20 16:00 EPCOR Outage 814s T1 (814s Bellamy), Rossdale BR721 (Rossdale) doble and breaker maintenance 1.33 Days
Continuous		  
30-Mar-20 08:00 01-Apr-20 16:00 ENMAX TE ENMAX 32 relay, C30 auto switching protection testing 2.33 Days
Continuous		  
30-Mar-20 08:00 13-Apr-20 08:00 ATCO Outage 740S 704, 740s 702T (740s H.R.Milner) replace breaker 704 and re conductor switches 14 Days
Continuous		  
30-Mar-20 08:00 17-Apr-20 17:00 ATCO Outage 770s 703T (770s Three Hills) adding a new 51-LV/500BS2 protection 18.38 Days
Continuous		  
30-Mar-20 08:00 17-Apr-20 16:00 ATCO TE 770s Threehills RTU/SCADA SCADA system modification and PLC removal 18.33 Days
Continuous		  
30-Mar-20 08:00 31-Mar-20 16:00 ENMAX Outage 40.1TR (ENMAX 40) T-60 upgrade phase 2 check reversing switch 1.33 Days
Continuous		  
30-Mar-20 08:00 03-Apr-20 15:00 ENMAX Outage 162.4TR (ENMAX 162 Beddington) GIS minor maintenance 4.29 Days
Continuous		  
30-Mar-20 08:00 03-Apr-20 16:00 ATCO TE 770S Threehills, 7L159 (770s Three Hills - 7L159 tap) relocating controls for 500D1 to a new panel 4.33 Days
Continuous		  
30-Mar-20 08:00 03-Apr-20 18:00 ATCO TE 770s Threehills RTU/SCADA isolate SEL-2020 to relocate 4.42 Days
Continuous		  
30-Mar-20 08:00 02-Apr-20 16:00 ENMAX Outage 10.2TR (ENMAX 10) urgent outage to investigate odor from switchgear 3.33 Days
Continuous		  
30-Mar-20 08:30 01-Apr-20 16:30 ALTALINK Outage 415s T2 (415s Drywood) isolate customer power cables to facilitate installation of new replacement cables 2.33 Days
Continuous		  
30-Mar-20 08:30 31-Mar-20 16:30 ALTALINK TE 38S East Edmonton relay maintenance 1.33 Days
Daily		  
30-Mar-20 08:30 31-Mar-20 16:30 ALTALINK TE 38S East Edmonton standard relay maintenance 1.33 Days
Daily		  
30-Mar-20 09:00 30-Mar-20 16:00 ATCO Outage 846s 701T (846s Grand Centre) 86-50BF/700BS1 wiring install/testing (panel 1k)
commission wiring/50BF		 7 Hours
Continuous		  
30-Mar-20 09:00 30-Mar-20 14:30 EPCOR Outage 987s T1 (987s Clover Bar), 987s CCP7213 (987s Clover Bar), 987s CCP7214 (987s Clover Bar) repair of disconnect switch 5.5 Hours
Continuous		  
30-Mar-20 09:00 30-Mar-20 17:00 ALTALINK Outage 115s T1 (115s Mt.Allan) replace terminators on AMI power cables at 115s26 8 Hours
Daily		  
30-Mar-20 09:00 30-Mar-20 16:00 ALTALINK Outage 172L (254s Coaldale - 172L944C) modify guy wires 7 Hours
Daily		  
30-Mar-20 09:00 02-Apr-20 18:00 ALTALINK Outage 37s T5 (37s North Calder) replacing 37s49 with a new V/B 3.38 Days
Continuous		  
30-Mar-20 09:00 02-Apr-20 18:00 ALTALINK Outage 514L (513s Lundbreck - 514L198) urgent repair insulators structures range 207-437 3.38 Days
Continuous		  
30-Mar-20 09:00 31-Mar-20 17:00 ATCO TE 9L45 (856s Kinosis - 2049s Kettle River) PRC-005 - test 9L45 21A and 21B protection 1.33 Days
Continuous		  
30-Mar-20 09:00 07-Apr-20 14:00 ATCO Outage 7L22 (811s Clairmont Lake - 7L22D2) customer road move for county of Grande Prairie 8.21 Days
Continuous		  
30-Mar-20 10:00 03-Apr-20 15:00 ATCO RB 7L12 (780s Lubicon - 869s Seal Lake), 7L12 (834s Wesley Creek - 869s Seal Lake) climbing inspection 4.21 Days
Continuous		  
30-Mar-20 10:00 30-Mar-20 16:00 ATCO, ALTALINK TE Battle River 757s 7L50 and 7L701 Thermal protection Scheme, 757s 706 (757s Battle River), 7L50 (526s Buffalo Creek - 757s Battle River), 7L701 (757s Battle River - 7L701D1) disable 49 thermal protection (ISO RAS # 32) on 7L701, 7L50 and floating breaker 706 6 Hours
Continuous		  
30-Mar-20 10:00 30-Mar-20 16:30 ALTALINK TE 17S Benalto investigate issues and rewire between relays and the IRIG equipment 6.5 Hours
Daily		  
30-Mar-20 10:00 01-Apr-20 12:00 ALTALINK IO 205s14 (205s Castle Rock Ridge) customer request 2.08 Days
Continuous		  
30-Mar-20 10:30 30-Mar-20 17:30 ATCO TE 898s 902T (898s Heart Lake), 898s Heart Lake RTU/SCADA PRC-005 - microprocessor relay testing 7 Hours
Continuous		  
30-Mar-20 10:30 30-Mar-20 16:30 ALTALINK TE 281s Johnson RTU/SCADA SCADA updates for qualitrol & winding temp trips being removed 6 Hours
Daily		  
30-Mar-20 11:00 31-Mar-20 17:00 ALTALINK Outage 163s 1252 (163s Amoco Empress) relay testing and settings changes 30 Hours
Continuous		  
30-Mar-20 11:30 30-Mar-20 16:30 ALTALINK TE 61S Lodgepole standared relay maintenance 5 Hours
Daily		  
30-Mar-20 11:30 30-Mar-20 16:30 ALTALINK TE 352s Onoway RTU/SCADA remove qualitrol winding temp trips and update HMI, RTU 5 Hours
Daily		  
30-Mar-20 11:30 30-Mar-20 17:00 ALTALINK TE 352S Onoway standard relay maintenance 5.5 Hours
Daily		  
30-Mar-20 11:30 31-Mar-20 16:30 ALTALINK TE 61s Lodgepole RTU/SCADA remove qualitrol alarms and update RTU, and HMI 29 Hours
Daily		  
30-Mar-20 12:00 02-Apr-20 18:00 ALTALINK Outage 798L (77s Sagitawah - 364s Whitecourt Industrial) components/structure replacements (structures #1 - 61) 3.25 Days
Continuous		  
30-Mar-20 12:00 30-Mar-20 18:00 ENMAX, ALTALINK Outage 23.80L (74s Janet - ENMAX 23), 23.4TR (ENMAX 23), 74s 23.80W (74s Janet) spring substation washing 6 Hours
Continuous		  
30-Mar-20 12:00 30-Mar-20 18:00 ALTALINK IO 23.80L Breaker Open Advice for Enmax spring substation washing. 6 Hours
Daily		  
30-Mar-20 12:00 02-Apr-20 18:00 ATCO IO 798L 798L OOS (77S-364S) components/structure replacements (structures #1 - 61) 3.25 Days
Continuous		  
30-Mar-20 12:30 02-Apr-20 17:30 ALTALINK RB 797L (268s Whitecourt - 364s Whitecourt industrial) crews working within close proximity on 798L 3.21 Days
Daily		  
30-Mar-20 13:00 30-Mar-20 17:00 MONTANA, ALTALINK TE 120s 152 (120s Picture Butte), 1005L (120s Picture Butte - 356s Milo) settings modification, testing, and minor wiring changes to line protection 4 Hours
Daily		  
30-Mar-20 13:30 03-Apr-20 16:00 ALTALINK Outage 28s 52 (28s West Brooks) CT replacement 4.1 Days
Continuous		  
31-Mar-20 07:00 31-Mar-20 17:00 ALTALINK Outage 707L (54s Fort Saskatchewan - 166s Dow Chemical Fort Saskatchewan) replace structure 10 Hours
Daily		  
31-Mar-20 07:00 31-Mar-20 17:00 ALTALINK IO 115S Mt.Allan battery maintenance 10 Hours
Daily		  
31-Mar-20 07:00 01-Apr-20 17:30 ALTALINK TE 17s Benalto RTU/SCADA deficiency cleanup on RTU 1.44 Days
Daily		  
31-Mar-20 07:00 31-Mar-20 17:00 EPCOR Outage 987s C2405 (987s Clover Bar) urgent - replace leaking capacitors 10 Hours
Continuous		  
31-Mar-20 07:30 31-Mar-20 17:30 ALTALINK, ATCO TE 788L (788L Tap - 898s Heart Lake), 898S Heart Lake PRC-005 - 21A relay testing at 898s 10 Hours
Continuous		  
31-Mar-20 07:30 31-Mar-20 17:30 ALTALINK IO ATCO-A898s A- Prot - Info ATCO's work 10 Hours
Daily		  
31-Mar-20 08:00 31-Mar-20 12:00 TRANSALTA TE 179s 876 (179s Gleichen) settings changes of sync check and relay testing for 876L 4 Hours
Daily		  
31-Mar-20 08:00 01-Apr-20 17:00 ATCO TE 9L85 (856s Kinosis - 977s Salt Creek) PRC-005 - relay testing 1.38 Days
Continuous		  
31-Mar-20 08:00 31-Mar-20 16:00 ENMAX Outage 2.81L (ENMAX 2 - ENMAX 9), 9.83L (ENMAX 9 - ENMAX 43), 9.3TR (ENMAX 9), 9.2TR (ENMAX 9) spring substation washing 8 Hours
Continuous		  
31-Mar-20 08:00 04-Oct-20 16:00 ENMAX IO 2.84L (ENMAX 2 - ENMAX 8) P1456 ISD Oct 04,2020 187.33 Days
Continuous		  
31-Mar-20 08:00 01-Apr-20 17:00 ALTALINK TE AltaLink Radio Tower 9195R - upgrade MPLS node 1.38 Days
Daily		  
31-Mar-20 08:30 31-Mar-20 16:30 ALTALINK TE 900L (17s Benalto - 63s Red Deer) TPR maintenance 8 Hours
Daily		  
31-Mar-20 08:30 31-Mar-20 16:30 ALTALINK TE 87s T2 (87s Gaetz) relay maintenance 8 Hours
Daily		  
31-Mar-20 08:45 31-Mar-20 12:00 ALTALINK TE 86s 1252 (86s Bigstone) relay maintenance 3.25 Hours
Daily		  
31-Mar-20 09:00 31-Mar-20 16:00 ATCO Outage 846s 702T (846s Grand Centre) 86-50BF/700BS1 wiring install/testing (panel 2k)
commission wiring/50BF		 7 Hours
Continuous		  
31-Mar-20 09:00 31-Mar-20 17:00 EPCOR Outage 1058L (657s Summerside - 803s Lambton) replacement of surge arrestor 8 Hours
Continuous		  
31-Mar-20 09:00 31-Mar-20 17:00 ALTALINK IO 11058L Epcor - Info Epcor: replacement of surge arrestor counter 8 Hours
Daily		  
31-Mar-20 09:00 31-Mar-20 17:00 ALTALINK Outage 115s T2 (115s Mt.Allan) terminators replacement 8 Hours
Daily		  
31-Mar-20 09:00 31-Mar-20 16:30 ALTALINK TE 443L (55s Olds - 214s Innisfail), 55s Olds 138kV Bus relay maintenance 7.5 Hours
Daily		  
31-Mar-20 13:00 31-Mar-20 17:00 ALTALINK TE 733L (179s Gleichen - 428s Namaka), 428s 733X (428s Namaka) settings changes of sync check and relay testing. 4 Hours
Daily		  
31-Mar-20 13:30 31-Mar-20 17:00 ALTALINK TE 790L (434s Stony Plain - 432s Carvel) relays maintenance 3.5 Hours
Daily		  
01-Apr-20 07:00 09-Apr-20 17:00 ALTALINK, EPCOR RB 747L (37s North Calder - 99s North St Albert), 711L (Inland Cement - 747L tap) 747L 711L A/R block at both 37S & 99S 8.42 Days
Daily		  
01-Apr-20 07:30 01-Apr-20 17:30 ATCO TE 9L81 (825s Whitefish - 898s Heartlake) PRC-005 - microprocessor relay testing on 21B-59-85B-79/9L81 at 898s 10 Hours
Continuous		  
01-Apr-20 07:30 01-Apr-20 17:30 ALTALINK IO ATCO-A898s 9L81- Prot - Info ATCO: "PRC-005 - microprocessor relay testing - 21B-59-85B- 79/9L81 @ 898s 10 Hours
Daily		  
01-Apr-20 08:00 02-Apr-20 15:00 EPCOR Outage 814s T2 (814s Bellamy), Rossdale BR722 (Rossdale) doble testing and breaker maintenance 31 Hours
Continuous		  
01-Apr-20 08:00 01-Apr-20 17:00 ALTALINK TE 37s North Calder RTU/SCADA RTU configuration update 9 Hours
Daily		  
01-Apr-20 08:00 01-Apr-20 17:00 ALTALINK TE 37s North Calder 138kV Bus 138kV bus differential protection being removed from service for 37s49 breaker replacement one at a time to reprove bus trip 9 Hours
Daily		  
01-Apr-20 08:00 01-Apr-20 17:00 ALTALINK TE 37s T3 (37s North Calder) 'A' & 'B' protection being removed from service for breaker replacement one at a time to reprove bus trip 9 Hours
Daily		  
01-Apr-20 08:00 01-Apr-20 17:00 ALTALINK TE 37s T5 (37s North Calder) 'A' & 'B' protection being removed from service for 37s49 breaker replacement one at a time to reprove bus trip 9 Hours
Daily		  
01-Apr-20 08:00 23-Apr-20 16:00 ENMAX Outage 28.1TR (ENMAX 28) arc flash mitigation project 22.33 Days
Continuous		  
01-Apr-20 08:00 10-Apr-20 20:00 Syncrude Outage Aurora 23 (Aurora), Aurora 24 (Aurora), MH1 (Aurora - Aurora) 72KV zone 5 outage - Aurora 9.5 Days
Continuous		  
01-Apr-20 08:00 02-Apr-20 16:00 ATCO TE 7L228 (845s Big Mountain - 2091s Thornton) relay setting change and testing 1.33 Days
Continuous		  
01-Apr-20 08:00 23-Apr-20 16:00 ALTALINK TE 28S West Brooks 138kV protection outage and MV cable swap 22.33 Days
Daily		  
01-Apr-20 08:00 01-Apr-20 12:00 ALTALINK TE 688L (199s East Airdrie - 653s Summit) 653s: setting changes on sync check and testing of SEL 311C relay (A21/79/25/L2 SEL311C 4 Hours
Daily		  
01-Apr-20 08:00 01-Apr-20 11:00 ATCO Outage 856s 505 (856s Kinosis), 856s 505R (856s Kinosis) PRC-005 - test 505 trip coil(s), only one breaker tested at a time 3 Hours
Continuous		  
01-Apr-20 08:00 02-Apr-20 16:00 ENMAX Outage 40.2TR (ENMAX 40) T-60 upgrade phase 2 1.33 Days
Continuous		  
01-Apr-20 08:00 23-Apr-20 16:00 ALTALINK TE 28S West Brooks autoswitching relay: protection outage and MV cable swa 22.33 Days
Continuous		  
01-Apr-20 08:00 14-Apr-20 16:00 ENMAX Outage 3.82L (ENMAX 3 - ENMAX 8), ENMAX 3 B138-3.82 (ENMAX 3), ENMAX 8 B138-5A0 (ENMAX 8), ENMAX 8 B138-6A0 (ENMAX 8) protection upgrade 13.33 Days
Continuous		  
01-Apr-20 08:00 01-Apr-20 12:30 ALTALINK Outage 149s 3 (149s Nisku), 149s C1 (149s Nisku) operate breaker to test POW controller 4.5 Hours
Daily		  
01-Apr-20 08:30 01-Apr-20 17:00 ALTALINK IO 83s263E GOI maintain 25kV minimum oil breaker. 8.5 Hours
Daily		  
01-Apr-20 08:30 01-Apr-20 16:30 ALTALINK TE 759L (87s Gaetz - 276s Prentiss) TPR maintenance 8 Hours
Daily		  
01-Apr-20 08:30 02-Apr-20 16:30 ALTALINK TE 38s East Edmonton 138kV Bus 1, 38s East Edmonton 138kV Bus 2 relay maintenance on: 138B1 138B2 1.33 Days
Daily		  
01-Apr-20 09:00 01-Apr-20 18:00 ALTALINK Outage 498s 100X (498s Tilley), 100L (498s Tilley - 895s Suffield) test CT's (saturation and ratio) as well as fix CT wiring issue 9 Hours
Daily		  
01-Apr-20 09:00 01-Apr-20 16:30 ALTALINK TE 214S Innisfail relay maintenance 7.5 Hours
Daily		  
01-Apr-20 09:30 01-Apr-20 15:30 ALTALINK TE 283s C1 (283s Violet Grove) relay maintenance 6 Hours
Daily		  
01-Apr-20 09:30 01-Apr-20 14:00 ALTALINK TE 498s Tilley RTU/SCADA SCADA updates 4.5 Hours
Daily		  
01-Apr-20 10:00 01-Apr-20 17:00 ATCO TE 862s 701T (862s South Bezanson) relay testing 7 Hours
Continuous		  
01-Apr-20 11:00 02-Apr-20 17:00 ALTALINK Outage 163s 1352 (163s Amoco Empress) setting changes on sync check and functional testing CUH90 relay 30 Hours
Continuous		  
01-Apr-20 11:00 01-Apr-20 14:00 ATCO Outage 856s 707 (856s Kinosis), 856s 707C (856s Kinosis) PRC-005 - test 707 trip coil(s), only one breaker tested at a time 3 Hours
Continuous		  
01-Apr-20 13:00 01-Apr-20 17:00 ENMAX TE 653s 752 (653s Summit) relay testing 4 Hours
Daily		  
01-Apr-20 13:00 01-Apr-20 16:30 ALTALINK TE 155s 604 (155s Blackmud) relay maintenance 3.5 Hours
Daily		  
01-Apr-20 14:00 01-Apr-20 17:00 ATCO Outage 856s 708 (856s Kinosis), 856S 708C PRC-005 test 708 trip coil(s), only one breaker tested at a time 3 Hours
Continuous		  
02-Apr-20 07:30 02-Apr-20 17:30 ATCO, ALTALINK TE 898S Heart Lake, 788L (157s Lac La Biche - 898s Heart Lake) PRC-005 - 21B relay testing at 898s 10 Hours
Continuous		  
02-Apr-20 07:30 02-Apr-20 17:30 ALTALINK IO ATCO-A898s B- Prot - Info ATCO: "PRC-005 - microprocessor relay testing - 21B-788L @ 898s 10 Hours
Daily		  
02-Apr-20 08:00 02-Apr-20 12:00 ALTALINK TE 419s Chestermere settings changes of sync check and relay testing - 691L 4 Hours
Daily		  
02-Apr-20 08:00 02-Apr-20 11:00 ATCO Outage 856s 701 (856s Kinosis) PRC-005 test 701 trip coil(s), only one breaker tested at a time 3 Hours
Continuous		  
02-Apr-20 08:30 02-Apr-20 17:00 ALTALINK Outage 186s 17 (186s Dry Creek), 186s C1 (186s Dry Creek) breaker maintenance 8.5 Hours
Daily		  
02-Apr-20 09:00 02-Apr-20 14:30 EPCOR Outage 805s C1 (805s Jasper), 805s J2408 (805s Jasper) repair spring charging indicator 5.5 Hours
Continuous		  
02-Apr-20 09:00 02-Apr-20 15:00 ALTALINK TE 65s High River RTU/SCADA RTU configuration update, rewire alarms to ACC 6 Hours
Daily		  
02-Apr-20 09:30 02-Apr-20 16:00 ALTALINK TE 69S North Barrhead standard relay work on 913L 6.5 Hours
Daily		  
02-Apr-20 11:00 02-Apr-20 14:00 ATCO Outage 856s 703 (856s Kinosis) PRC-005 test 703 trip coil(s), only one breaker tested at a time 3 Hours
Continuous		  
02-Apr-20 13:30 02-Apr-20 17:30 ALTALINK TE 198s Blackfalds RTU/SCADA remove qualitrol winding temp trips, update HMI 4 Hours
Daily		  
02-Apr-20 14:00 02-Apr-20 17:00 ATCO Outage 856s 704 (856s Kinosis) PRC-005 test 704 trip coil(s), only one breaker tested at a time 3 Hours
Continuous		  
03-Apr-20 08:00 03-Apr-20 16:00 EPCOR Outage 987sC2407 (987s Clover Bar), 987s T3 (987s Clover Bar) doble testing 8 Hours
Continuous		  
03-Apr-20 08:00 03-Apr-20 13:00 ENMAX Outage 22.81L (ENMAX 22 - ENMAX 39), 22.2TR (ENMAX 22), 22PT138-32 (ENMAX 22), ENMAX 39 B138-22.81 (ENMAX 39) spring substation washing, check reversing switch 5 Hours
Continuous		  
03-Apr-20 08:00 03-Apr-20 11:00 ATCO Outage 856s 705 (856s Kinosis) PRC-005 test 705 Trip Coil(s), only one breaker tested at a time 3 Hours
Continuous		  
03-Apr-20 09:00 03-Apr-20 14:30 EPCOR Outage 803s L2402 (803s Lambton), 803s L2405 (803s Lambton), 803s T2 (803s Lambton) repair difficult to close condition 5.5 Hours
Continuous		  
03-Apr-20 11:00 03-Apr-20 14:00 ATCO Outage 856s 706 (856s Kinosis) PRC-005 test 706 Trip Coil(s), only one breaker tested at a time 3 Hours
Continuous		  
03-Apr-20 13:00 03-Apr-20 18:00 ENMAX Outage 13.82L (ENMAX 13 - ENMAX 22), 22.1TR (ENMAX 22), 22.3TR (ENMAX 22), 22PT138-31 (ENMAX 22), ENMAX 13 B138-13.82 (ENMAX 13) spring substation washing 5 Hours
Continuous		  

Prepared On:   2020-03-26   4:58:59 PM

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

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