Alberta Electric System Operator
System Co-ordination Plan
2024-04-25 to 2024-05-03
Approved Outages

Previous Version
Download CSV

From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
05-Oct-18 08:00 31-Dec-24 16:00 EPCOR IO C2 (Rossdale) forced outage 2,279.38 Days
Continuous		  
24-Oct-18 01:13 31-Dec-24 16:00 EPCOR IO C1 (Rossdale) forced outage 2,260.66 Days
Continuous		  
04-Sep-22 16:50 30-Sep-24 18:00 ATCO Outage 848s 401R (848s Ruth Lake) forced outage 757.05 Days
Continuous		  
15-Mar-23 18:01 01-May-24 18:00 SUNCOR Outage 29EDD-71 752-4651 (29EDD-71) breaker will remain offline for undetermined period of time 413 Days
Continuous		  
31-Jul-23 14:56 27-Sep-24 16:00 ENMAX Outage 38B138-38.1CAP (SS-38), 38.1C (SS-38) motor run time fail 424.04 Days
Continuous		  
27-Nov-23 08:00 07-Mar-25 16:00 ENMAX Outage 32.2TR (SS-32) 32 sub 32.2TR 8 kV bus switchgear demolition 466.33 Days
Continuous		  
08-Jan-24 07:00 20-May-24 17:00 EPCOR Outage T2 (Rossdale), R721 (Rossdale), R723 (Rossdale), RAB2 (Rossdale) rossdale transformer assembly and scaffold build 133.38 Days
Continuous		  
19-Feb-24 10:00 17-Jun-24 17:00 ATCO TE 863s RTU/SCADA (863s Paintearth) modifications to existing RTU and new SCADA equipment 119.25 Days
Continuous		  
19-Feb-24 11:00 10-Jun-24 17:30 ATCO TE 863S 240kV Breaker Relays, 863S 25kV Breaker Relays disable all breaker fail protection for the duration of the project 112.23 Days
Continuous		  
19-Feb-24 11:00 06-Jun-24 17:30 ATCO TE 863S 240kV Bus Relays install new 900BS1 protection panel 108.23 Days
Continuous		  
26-Feb-24 07:00 10-May-24 17:00 EPCOR TE EP 803s Protection & Control (EP 803s Lambton) protection blocking for annual relay maintenance 74.38 Days
Continuous		  
01-Mar-24 11:00 01-May-24 13:00 CNRL, ATCO Outage 859s 52G (859s Primrose), 859s 501TD (859s Primrose) transfer all load from 25kV Bus A to 25kV Bus B 61.04 Days
Continuous		  
04-Mar-24 08:00 30-Apr-24 16:00 ALTALINK TE 746s RTU/SCADA (746s Sherwood Park) configuration updates for A-B/87/T1, L1, L8, L2 feeder protection and cutovers of controls for 746s3, s5, s34N, s40,s173W, s474X 57.29 Days
Daily		  
07-Mar-24 06:30 29-Aug-24 16:00 ALTALINK Outage 477s T1 (477s Amoco West Pembina) disconnect T1 and VR1 permanently, draining oil, release 477s T1, VR1, & 4.16kV equipment for salvage and RSLD2 then RSLD3 to be implemented at end of outage 175.35 Days
Continuous		  
11-Mar-24 07:00 30-Apr-24 17:00 EPCOR TE 665s Protection & Control (665s Dome) protection blocking for annual relay maintenance 50.42 Days
Continuous		  
18-Mar-24 14:30 29-Apr-24 14:00 ATCO Outage 863s 902T (863s Paintearth) protection upgrade, commission new wiring/trransformer protection, and new transformer protection panel 41.98 Days
Continuous		  
25-Mar-24 13:50 30-Apr-24 17:00 BCH Outage 5CB1 (BCH Selkirk) repair damaged equipment, BC maintenance does not affect the Alberta ATC 36.13 Days
Continuous		 AB-BC
01-Apr-24 00:00 01-May-24 00:00 SUNCOR Outage 29EDD-71 29PT-235 (29EDD-71), 29EDD-71 752-4642 (29EDD-71), 29EDD-71 752-4641 (29EDD-71) FB-maintenance and testing 30 Days
Continuous		  
01-Apr-24 08:00 10-May-24 17:00 ALTALINK TE 244s RTU/SCADA (244s Bowmanton) updating RTU configuration 39.38 Days
Daily		  
02-Apr-24 07:00 07-May-24 17:00 EPCOR Outage T1 (Garneau), GT1 (Garneau) Garneau S/S Tx1 bay outage 35.42 Days
Continuous		  
08-Apr-24 08:00 28-Apr-24 18:00 ENMAX Outage 1.82L (SS-1 - SS-5), 5.1TR (SS-5), 5.6TR (SS-5), 5.8TR (SS-5), 5B138-5BT12 (SS-5), 5B138-5BT7 (SS-5), 5MD138-5.6TR (SS-5), 5MD138-5.8TR (SS-5), 5B138-1.82 (SS-5) switches maintenance and substation washing 20.42 Days
Continuous		  
08-Apr-24 08:00 10-May-24 17:00 ALTALINK TE 523s RTU/SCADA (523s Bullshead) updating RTU configuration for the Dunmore project 32.38 Days
Daily		  
08-Apr-24 09:00 26-Apr-24 17:00 ATCO TE 728s Protection & Control (728s Mercer Hill), 728s RTU/SCADA (728s Mercer Hill) protection and RTU updates 18.33 Days
Continuous		  
08-Apr-24 10:55 02-Jun-24 17:00 ATCO Outage 716s 701T (716s Lloydminster), 716s 703 (716s Lloydminster) 716s rebuild 55.25 Days
Continuous		  
08-Apr-24 11:00 02-Jun-24 17:00 ATCO Outage 716s 701 (716s Lloydminster) 716s rebuild:
7L749 new line relay install & commission		 55.25 Days
Continuous		  
08-Apr-24 11:00 02-Jun-24 17:00 ATCO Outage 716s 701C (716s Lloydminster) 716s rebuild: 701C new relay install & commission
 55.25 Days
Continuous		  
09-Apr-24 10:00 02-Jun-24 18:00 ATCO TE 716s Protection & Control (716s Lloydminster) settings changes on 7L42 protection for 716S Sub Rebuild closing 700D1 at 716s 54.33 Days
Continuous		  
09-Apr-24 10:00 02-Jun-24 18:00 ATCO TE 751s Protection & Control (751s Hill) settings changes on 7L42 protection for 716S Sub Rebuild closing 700D1 at 716s 54.33 Days
Continuous		  
09-Apr-24 15:00 18-Jun-24 16:00 ALTALINK Outage 151s C1 (151s Strathmore) broken 70.04 Days
Continuous		  
12-Apr-24 17:00 10-May-24 17:00 EPCOR Outage 987s CDS45 (987s Cloverbar) repair of damage 240 kV CVT in order to properly energize 1191L bay 28 Days
Continuous		  
13-Apr-24 08:00 26-Apr-24 16:00 SUNCOR Outage 29PL9-6 (29EDD-1 Millennium - 29EDD-34), 29EDD-1 952-105 (29EDD-1 Millennium), 29EDD-1 952-106 (29EDD-1 Millennium), 29EDD-34 29-952-111 (29EDD-34), 29EDD-34 29-952-112 (29EDD-34) breakers, CTs & disconnect switches maintenance 13.33 Days
Continuous		  
15-Apr-24 07:00 17-May-24 17:00 EPCOR Outage 816s P2402 (816s Petrolia), 816s P2401 (816s Petrolia), 816s T1 (816s Petrolia) P2401 Breaker LCR 32.42 Days
Continuous		  
15-Apr-24 08:00 28-Apr-24 16:00 ENMAX Outage 16.63L (SS-16 - SS-36), 36.5TR (SS-36), 36B69-16.63/36.5TR (SS-36), 16B69-16.63 (SS-16) line protection upgrade 13.33 Days
Continuous		  
15-Apr-24 08:00 28-Apr-24 18:00 SUNCOR TE 29EDD-94 RTU/SCADA (29EDD-94 Voyageur), 29EDD-94 406T (29EDD-94 Voyageur), 29EDD-94 407T (29EDD-94 Voyageur), 29PL9-16 (29EDD-1 Millennium - 29EDD-94 Voyageur), 29PL9-17 (29EDD-1 Millennium - 29EDD-94 Voyageur), 29EDD-94 29PP-98 260kV Bus (29EDD-94 Voyageur) perform firmware upgrades and relay testing 13.42 Days
Continuous		  
15-Apr-24 08:00 28-Apr-24 16:00 ENMAX TE Protection & Control (SS-36) 36 sub autoswitching and Z32 bus differential protection disabled for 16.63 line protection upgrade 13.33 Days
Daily		  
15-Apr-24 10:00 02-May-24 18:00 ALTALINK Outage 48s T1 (48s Pocaterra), 48s T2 (48s Pocaterra) adding new equipment 17.33 Days
Continuous		  
16-Apr-24 07:00 30-Apr-24 18:00 ALTALINK Outage 701L (223s Strome - 7LA701 tap) 701L CRU and WMP component replacement (str 320D - 422) 14.46 Days
Continuous		  
16-Apr-24 07:00 30-Apr-24 18:00 ATCO Outage 7L701 (757s Battle River - 7LA701 tap) AltaLink scope - 701L CRU and WMP component replacement (str 320D - 422) 14.46 Days
Continuous		  
16-Apr-24 07:00 27-Apr-24 17:00 EPCOR Outage 330p 1214 (330p Genesee), 330p 1215 (330p Genesee), 330p 1215A (330p Genesee), 330p 1214B (330p Genesee) carona ball replacement 11.42 Days
Continuous		  
16-Apr-24 09:00 26-Apr-24 17:30 ALTALINK Outage 575s T1 (575s Sundre) corrosive sulphur, doble, oil gauge 10.35 Days
Continuous		  
17-Apr-24 09:00 26-Apr-24 15:00 ATCO Outage 7L132 (767s Oyen - 959s Lanfine), 767s 701 (767s Oyen) restring OPGW from structures 10-32 9.25 Days
Continuous		  
17-Apr-24 09:30 26-Apr-24 14:30 ATCO Outage 6L09 (767s Oyen - 6L21 tap), 767s 601 (767s Oyen) GOI for stringing 7L132 overtop of 6L09 9.21 Days
Continuous		  
18-Apr-24 09:00 14-Jun-24 16:00 ATCO TE 716s RTU/SCADA (716s Lloydminster) lloyd sub rebuild is completed in stages and therefore SCADA verifications performed at varying times 57.29 Days
Continuous		  
21-Apr-24 08:00 25-Apr-24 18:00 SUNCOR Outage 29EDD-71 752-4624 (29EDD-71) maintenance and test 4.42 Days
Continuous		  
22-Apr-24 02:00 26-Apr-24 16:00 ATCO Outage 2075s 900SST2 (2075s Newell) single phase 25kV regulator failure 4.58 Days
Continuous		  
22-Apr-24 07:00 27-Apr-24 17:00 ALTALINK, EPCOR Outage 909L (310p Sundance - 665s Dome), 665s T2 (665s Dome), 665s D2402 (665s Dome), 665s D2403 (665s Dome), 665s DDS14 (665s Dome), 665s DAB2 (665s Dome) breaker maintenance, P&C maintenance 5.42 Days
Continuous		  
22-Apr-24 07:00 27-Apr-24 17:00 EPCOR Outage 52s T2 (52s East Industrial), 52s E2402 (52s East Industrial) breaker maintenance E2402 (SF6) and TX2 doble 5.42 Days
Continuous		  
22-Apr-24 07:00 25-Apr-24 17:30 ALTALINK Outage 310p 1852 (310p Sundance) urgent replace failed 310p1852 CT 3.44 Days
Continuous		  
22-Apr-24 07:00 25-Apr-24 18:00 ENMAX Outage 14.3TR (SS-14) grounding deficiency iImprovements 3.46 Days
Continuous		  
22-Apr-24 07:00 26-Apr-24 17:00 EPCOR Outage 330P SST1 (330P Genesee) move from temporary bypass lines to permanent structures 4.42 Days
Continuous		  
22-Apr-24 07:00 26-Apr-24 17:00 EPCOR Outage 330P SST3 (330P Genesee) move from temporary bypass to permanent structures 4.42 Days
Continuous		  
22-Apr-24 08:00 26-Apr-24 17:00 ALTALINK TE 535s RTU/SCADA (535s Joffre) download new configurations and migrating and commissioning of T5 (TX18528) protection, tap changer and NE alarms, 535s52 controls, metering, alarms etc 4.38 Days
Continuous		  
22-Apr-24 08:00 26-Apr-24 17:00 ALTALINK TE 283s RTU/SCADA (283s Violet Grove) update RTU settings 4.38 Days
Daily		  
22-Apr-24 08:00 25-Apr-24 16:30 ALTALINK Outage 508L (67s Stirling - 344s Warner), 344s T1 (344s Warner), 344s T2 (344s Warner) replacing insulators at 508L306 and replacing structures at 508L286 and 508L40 3.35 Days
Continuous		  
22-Apr-24 09:00 05-May-24 16:00 ATCO Outage 7L32 (813s Little Smoky - 862s South Bezanson) pole change from test and treat / X arm change 13.29 Days
Continuous		  
22-Apr-24 09:00 04-Jun-24 17:00 ATCO TE 755s Protection & Control (755s Cordel) removal of old protection relays 43.33 Days
Continuous		  
22-Apr-24 09:00 10-Jun-24 17:00 ATCO TE 972s Protection & Control (972s Tinchebray), 972s RTU/SCADA (972s Tinchebray) PT work for relay upgrade 49.33 Days
Continuous		  
22-Apr-24 09:00 04-Jun-24 17:00 ATCO TE 972s Protection & Control (972s Tinchebray) removal of old protection relays 43.33 Days
Continuous		  
22-Apr-24 10:00 10-May-24 17:30 ATCO Outage 869s 702T (869s Seal Lake), 869s 702 (869s Seal Lake) qualitrol ITM replacement, class2 major testing 18.31 Days
Continuous		  
22-Apr-24 10:00 10-May-24 17:30 ATCO TE 869s RTU/SCADA (869s Seal Lake), 869s Protection & Control (869s Seal Lake) qualitrol ITM replacement, update
RTU/702T protection		 18.31 Days
Continuous		  
22-Apr-24 10:00 03-May-24 16:00 ATCO TE 951s Protection & Control (951s Thickwood Hills) PRC-005 - relay testing
 11.25 Days
Continuous		  
22-Apr-24 10:00 25-Apr-24 16:00 ATCO TE 780s Protection & Control (780s Lubicon) 7L60 RTXP test switch replacements, perform work with breakers in service to keep 7L60 line on 3.25 Days
Continuous		  
22-Apr-24 10:00 25-Apr-24 16:00 ATCO Outage 780s 704 (780s Lubicon) breaker maintenance in conjunction with 7L60 RTXP replacement 3.25 Days
Continuous		  
22-Apr-24 10:00 25-Apr-24 18:00 ALTALINK TE 310p Protection & Control (310p Sundance) change CT ratios and complete element testing for the urgent outage to replace failed 310p1852 CT 3.33 Days
Daily		  
22-Apr-24 11:00 10-Jun-24 17:00 ATCO TE 755s Protection & Control (755s Cordel), 755s RTU/SCADA (755s Cordel) relay upgrade, adding new SCADA points and protection upgrade. 49.25 Days
Continuous		  
22-Apr-24 13:30 02-May-24 17:30 ALTALINK Outage 58s T1 (58s Edson) replace 25 KV/138 KV bushings, doble and LR, re-gasket, repair leaks and CT blocks on T1, main tank/LTC gasket rebuild 10.17 Days
Continuous		  
22-Apr-24 13:30 25-Apr-24 17:30 ALTALINK Outage 522s T1 (522s Cooking Lake), 522s 1252 (522s Cooking Lake) 25 kV breaker replacement (522s259X), 138 kV/25 kV LAs and strain insulators, L4 feeder protection replacement 3.17 Days
Continuous		  
22-Apr-24 14:00 25-Apr-24 17:00 ALTALINK TE 522s RTU/SCADA (522s Cooking Lake) RTU database update 3.13 Days
Daily		  
22-Apr-24 20:25 25-Apr-24 18:00 ALTALINK Outage 708L (71s Lamoureux - 708AL tap) forced outage due to burnt structure 2.9 Days
Daily		  
23-Apr-24 07:00 27-Apr-24 17:00 EPCOR Outage 330p 500kV Bus 2 (330p Genesee), 330p 12TC2 (330p Genesee), 330p 1203A (330p Genesee), 330p 1211 (330p Genesee), 330p 1215 (330p Genesee), 330p 1203 (330p Genesee), 330p 1206 (330p Genesee), 330p 1209 (330p Genesee) Genesee bus 2 corona ball replacement 4.42 Days
Continuous		  
23-Apr-24 07:00 25-Apr-24 17:00 ATCO TE 951s Protection & Control (951s Thickwood Hills) test armed, runback, DTT signals to Suncor from RAS-A, RAS-B 2.42 Days
Continuous		  
23-Apr-24 07:00 25-Apr-24 18:00 ALTALINK TE 310p Protection & Control (310p Sundance) urgent protection outage on A87/ST5/6 & B87/ST5/6 to facilitate the urgent outage to replace failed 310p1852 CT 2.46 Days
Daily		  
23-Apr-24 08:00 30-Apr-24 16:00 Syncrude Outage Syncrude Plant 30-2 72kV A Bus (UE-1 Syncrude Plant 30-2), Syncrude Plant 30-2 30-2PTR72-A1 (UE-1 Syncrude Plant 30-2), Syncrude Plant 30-2 30-2PTR72-A2 (UE-1 Syncrude Plant 30-2), UE-1 7201 (UE-1 Syncrude Plant 30-2), UE-1 7202 (UE-1 Syncrude Plant 30-2), UE-1 7203 (UE-1 Syncrude Plant 30-2), UE-1 7204 (UE-1 Syncrude Plant 30-2), UE-1 1509 (UE-1 Syncrude Plant 30-2), UE-1 72-11 (UE-1 Syncrude Plant 30-2), UE-1 72-01 (UE-1 Syncrude Plant 30-2), UE-1 72-02 (UE-1 Syncrude Plant 30-2), UE-1 72-03 (UE-1 Syncrude Plant 30-2), UE-1 72-04 (UE-1 Syncrude Plant 30-2), UE-1 72-14 (UE-1 Syncrude Plant 30-2), UE-1 72-15 (UE-1 Syncrude Plant 30-2), UE-1 72-09 (UE-1 Syncrude Plant 30-2), 1016 (Syncrude Mildred Lake) SCL - Isolate 72kV bus in UE-1 Substation 7.33 Days
Continuous		  
23-Apr-24 08:00 25-Apr-24 17:00 ATCO RB 7L65 (709s Vegreville - 7LA65 tap), 7L65 (710s Vermilion - 7LA65 tap), 7LA65 (708s Grizzly Bear - 7L65 tap) marker cone replacement 2.38 Days
Daily		  
23-Apr-24 08:00 05-May-24 16:00 ENMAX Outage 41.2TR (SS-41) forced outage - differential protection trip 12.33 Days
Continuous		  
23-Apr-24 11:00 02-May-24 17:00 ATCO Outage 755s 904 (755s Cordel)
9L16 protection upgrade		 9.25 Days
Continuous		  
23-Apr-24 17:00 27-Apr-24 07:59 ALTALINK Outage 746s T1 (746s Sherwood Park) T1 replacement continuation 3.62 Days
Continuous		  
24-Apr-24 07:30 25-Apr-24 16:30 ENMAX, ALTALINK Outage 50L (44s Bearspaw Plant - SS-21), 60s50 (SS-21), 44s 50X (44s Bearspaw Plant) replace leaking east phase CT at 60s50 1.38 Days
Continuous		  
24-Apr-24 07:30 25-Apr-24 18:00 ALTALINK Outage 993s T2 (993s Abee) T2 doble, SFRA and tapchanger maintenance 1.44 Days
Continuous		  
24-Apr-24 07:30 25-Apr-24 16:30 ENMAX, ALTALINK IO 50L (44s Bearspaw Plant - SS-21) Altalink outage, replace the leaking East Phase CT 60s50. Reclose block on 50L required 1.38 Days
Continuous		  
24-Apr-24 07:30 25-Apr-24 16:30 ENMAX, ALTALINK TE 60s50 (SS-21) isolation of the 60s 21/L50 A and B protections - demolition, reconnect and commissioning of CT circuits from 60s50 outage 1.38 Days
Continuous		  
24-Apr-24 08:00 26-Apr-24 17:00 ALTALINK Outage 700L (422s Westwood - 746L tap), 700L (746s Sherwood Park - 746L tap), 746L (700L tap - 746AL tap), 422s 700 (422s Westwood), 746s 700N (746s Sherwood Park) urgent insulator washing 746L STR 30-45 2.38 Days
Continuous		  
24-Apr-24 08:30 25-Apr-24 16:00 ATCO TE 802s Protection & Control (802s Michichi Creek), 802s RTU/SCADA (802s Michichi Creek) update 802S_703T_87TB_51HV-51LV_SEL487E relay 31.5 Hours
Continuous		  
24-Apr-24 23:00 25-Apr-24 03:00 ALTALINK Outage 62s 11 (62s Brazeau Plant) maintenance 4 Hours
Daily		  
25-Apr-24 03:00 25-Apr-24 07:00 ALTALINK Outage 62s 12 (62s Brazeau Plant) maintenance 4 Hours
Daily		  
25-Apr-24 07:00 25-Apr-24 17:00 ENMAX RB 11.81L (SS-11 - SS-13) tree trimming 10 Hours
Daily		  
25-Apr-24 07:00 25-Apr-24 17:00 ENMAX IO Protection & Control (SS-21) 21 sub 138 kV Zone 31 bus differential outage to facilitate 60s50 breaker CTs 10 Hours
Continuous		  
25-Apr-24 07:15 25-Apr-24 17:45 ALTALINK Outage 522s 138kV Bus 1 (522s Cooking Lake), 874L (45s Bretona - 522s Cooking Lake), 522s T1 (522s Cooking Lake), 522s 874 (522s Cooking Lake), 522s 1252 (522s Cooking Lake), 45s 874 (45s Bretona) strain glass insulator replacement 10.5 Hours
Daily		  
25-Apr-24 08:00 06-May-24 16:00 SUNCOR Outage 29PL6-6 (29EDD-1 Millennium - 29EDD-2 Tar Island), 29EDD-1 29EDD1s1152 (29EDD-1 Millennium), 29EDD-2 29PT-2 (29EDD-2 Tar Island) breaker test, relay upgrades 11.33 Days
Continuous		  
25-Apr-24 08:00 25-Apr-24 17:00 ALTALINK Outage 162L (229s Glenwood - 415s Drywood), 415s 146E (415s Drywood) replace insulators and repair OHSW bond 9 Hours
Daily		  
25-Apr-24 08:00 25-Apr-24 17:00 ALTALINK Outage 759L (87s Gaetz - 276s Prentiss), 276s 759W (276s Prentiss) upgrade bonding on entire pole at structure 4 9 Hours
Daily		  
25-Apr-24 08:00 25-Apr-24 17:00 ALTALINK RB 793L (87s Gaetz - 535s Joffre) upgrade bonding on entire pole at structure 4 on 759L, shared tower 9 Hours
Daily		  
25-Apr-24 08:00 25-Apr-24 16:00 ENMAX TE Protection & Control (SS-16) 16sub 69 kV bus differential protection -16.63L line protection upgrade 8 Hours
Daily		  
25-Apr-24 08:00 25-Apr-24 12:00 ALTALINK TE AltaLink Telecom Equipment, 56s RTU/SCADA (56s Boyle) upgrade 9056R MPLS node 4 Hours
Daily		  
25-Apr-24 08:30 25-Apr-24 13:30 ALTALINK Outage 186s C1 (186s Dry Creek) urgent remove weeds and sticks from cap bank 5 Hours
Daily		  
25-Apr-24 10:00 25-Apr-24 16:00 ATCO Outage 951s 903 (951s Thickwood Hills) PRC-005 trip coil testing 6 Hours
Continuous		  
25-Apr-24 10:00 26-Apr-24 17:00 ATCO, CNRL TE 838s RTU/SCADA (838s Horizon Mining), 838s Protection & Control (838s Horizon Mining) annual PM - RTU, HMI, relays 31 Hours
Continuous		  
25-Apr-24 11:00 25-Apr-24 12:00 ATCO TE ATCO Telecom Equipment move RASEE022 to RASCP052
Ap		 60 Mins
Continuous		  
25-Apr-24 12:00 26-Apr-24 17:00 ALTALINK Outage 746s 700N (746s Sherwood Park), 700L (746s Sherwood Park - 746L tap) test trip 746s700N from new protection, cutover CTs to new protection 29 Hours
Continuous		  
25-Apr-24 12:00 25-Apr-24 17:00 ALTALINK TE AltaLink Telecom Equipment, 353s RTU/SCADA (353s Plamondon) upgrade 9353R MPLS node 5 Hours
Daily		  
26-Apr-24 07:00 10-May-24 17:00 EPCOR Outage 805s T4 (805s Jasper), EP 805s J2405 (EP 805s Jasper), EP 805s J2406 (EP 805s Jasper) tap changer rebuild, doble, disconnect maintenance 14.42 Days
Continuous		  
26-Apr-24 07:00 26-Apr-24 18:00 ALTALINK Outage 890L (58s Edson - 207s Pinedale), 58s 890 (58s Edson), 207s 890 (207s Pinedale) replace structure 101 11 Hours
Daily		  
26-Apr-24 07:00 26-Apr-24 17:00 EPCOR Outage EP 803s L2405 (EP 803s Lambton) L2405 P&C maintenance 10 Hours
Continuous		  
26-Apr-24 07:00 26-Apr-24 17:00 ENMAX RB 40.81L (SS-40 - SS-41) tree trimming 10 Hours
Daily		  
26-Apr-24 07:00 26-Apr-24 17:00 ENMAX, ALTALINK RB 936L (5s East Calgary - 102s Langdon) spring transmission line washing 10 Hours
Continuous		  
26-Apr-24 07:00 26-Apr-24 17:00 ENMAX, ALTALINK RB 937L (5s East Calgary - 102s Langdon) spring transmission line washing 10 Hours
Continuous		  
26-Apr-24 07:00 26-Apr-24 17:00 ENMAX RB 11.82L (SS-11 - SS-14) spring transmission line washing 10 Hours
Continuous		  
26-Apr-24 07:00 26-Apr-24 17:00 ENMAX RB 24.81L (SS-24 - SS-31) spring transmission line washing 10 Hours
Continuous		  
26-Apr-24 08:00 06-May-24 16:00 SUNCOR Outage 29PL9-5 (29EDD-1 Millennium - 29EDD-34), 29EDD-34 29-952-122 (29EDD-34), 29EDD-34 29-952-121 (29EDD-34), 29EDD-34 29PS-62 (29EDD-34), 29EDD-1 29PS-71 (29EDD-1 Millennium), 29EDD-1 952-103 (29EDD-1 Millennium), 29EDD-1 952-102 (29EDD-1 Millennium) BP - maintenance 10.33 Days
Continuous		  
26-Apr-24 08:00 26-Apr-24 16:00 ENMAX Outage 13B138-3.84 (SS-13), 3.84L (SS-3 - SS-13), 3B138-3.84 (SS-3) HV breaker maintenance 8 Hours
Continuous		  
26-Apr-24 08:00 26-Apr-24 12:00 ENMAX Outage 33.83L (SS-33 - SS-41), 33.1TR (SS-33), 33MD138-33.1TR (SS-33), 33B138-33.83 (SS-33) spring substation washing 4 Hours
Continuous		  
26-Apr-24 08:00 05-May-24 16:00 Syncrude Outage Syncrude Plant 30-2 30-2PTR72-3 (UE-1 Syncrude Plant 30-2), UE-1 1509 (UE-1 Syncrude Plant 30-2), UE-1 72-09 (UE-1 Syncrude Plant 30-2) SCL- perform maintenance and repairs 9.33 Days
Continuous		  
26-Apr-24 08:00 05-May-24 16:00 Syncrude Outage UE-1 1502 (UE-1 Syncrude Plant 30-2), UE-1 1521 (UE-1 Syncrude Plant 30-2), UE-1 1522 (UE-1 Syncrude Plant 30-2) maintenance 9.33 Days
Continuous		  
26-Apr-24 12:00 26-Apr-24 16:00 ENMAX Outage 33.84L (SS-33 - SS-43), 33.2TR (SS-33), 33MD138-33.2TR (SS-33), 33B138-33.84 (SS-33) spring substation washing, check reversing switch 4 Hours
Continuous		  
27-Apr-24 08:00 27-Apr-24 12:00 ALTALINK Outage 746s 138kV East Bus (746s Sherwood Park), 636L (420s Broadmoor - 746s Sherwood Park), 746s T1 (746s Sherwood Park), 420s 636 (420s Broadmoor), 746s 3 (746s Sherwood Park) de-energize partial 138 kV bus and 636L to energize new 746s T1 4 Hours
Daily		  
27-Apr-24 08:00 27-Apr-24 12:00 ENMAX Outage 2.80L (SS-2 - SS-23), 23.3TR (SS-23), 23B138-2.80 (SS-23), SW83 (SS-23), 23MD138-23.3TR (SS-23), 2MD138-2.80 (SS-2) spring substation washing 4 Hours
Continuous		  
27-Apr-24 08:00 27-Apr-24 12:00 ALTALINK TE 746s Protection & Control (746s Sherwood Park) disable trips from T1 to protect T2 load during energization of new transformer 4 Hours
Daily		  
27-Apr-24 12:00 27-Apr-24 18:00 ENMAX Outage 23.80L (74s Janet - SS-23), 23.4TR (SS-23), 23B138-23.80 (SS-23), SW84 (SS-23), 23MD138-23.4TR (SS-23) spring substation washing, check reversing switch 6 Hours
Continuous		  
27-Apr-24 12:00 27-Apr-24 18:00 ENMAX Outage 23.80L (74s Janet - SS-23) spring substation washing, check reversing switch 6 Hours
Daily		  
28-Apr-24 08:00 28-Apr-24 12:00 ENMAX Outage 1.81L (SS-1 - SS-20), 20.1TR (SS-20), 20B138-1.81 (SS-20), SW83 (SS-20), 20MD138-20.1TR (SS-20) spring substation washing, check reversing switch 4 Hours
Continuous		  
28-Apr-24 12:00 28-Apr-24 18:00 ENMAX Outage 20.82L (SS-20 - SS-21), 20.3TR (SS-20), 20B138-20.82 (SS-20), SW84 (SS-20), 20MD138-20.3TR (SS-20) spring substation washing, check reversing switch 6 Hours
Continuous		  
28-Apr-24 22:00 23-May-24 22:00 BCH Outage 5L72 (BCH Mica G.S. - BCH Nicola) MCA PM on 5B7 and 5RX3 25 Days
Continuous		 AB-BC
29-Apr-24 07:00 02-Aug-24 17:00 EPCOR TE 557s Protection & Control (557s Castle Downs) protection blocking for annual relay maintenance 95.42 Days
Continuous		  
29-Apr-24 07:00 29-Apr-24 17:00 ENMAX RB 31.84L (SS-31 - SS-32) tree trimming 10 Hours
Daily		  
29-Apr-24 07:00 29-Apr-24 17:00 ENMAX RB 14.83L (SS-14 - SS-36) tree trimming 10 Hours
Daily		  
29-Apr-24 07:00 02-May-24 17:00 EPCOR Outage 330p 500kV Bus 1 (330p Genesee), 330P 12TC1 (330p Genesee), 330p 1201 (330p Genesee), 330p 1204 (330p Genesee), 330p 1207 (330p Genesee), 330p 1214 (330p Genesee), 330p 1210 (330p Genesee), 330p 1201A (330p Genesee) Carona Ball replacement Genesee 12BU1 3.42 Days
Continuous		  
29-Apr-24 07:00 02-May-24 18:00 ENMAX Outage 14.4TR (SS-14) grounding deficiency improvements 3.46 Days
Continuous		  
29-Apr-24 07:30 03-May-24 16:30 ALTALINK Outage AML 511s FB Bus 1 (AML 511s Crossings), AML 511s ACF11 (AML 511s Crossings), AML 511s ACF12 (AML 511s Crossings), AML 511s ACF13 (AML 511s Crossings), AML 511s T30 (AML 511s Crossings), AML 511s SVC Plus (AML 511s Crossings), AML 511s 5352 (AML 511s Crossings), AML 511s 5252 (AML 511s Crossings), AML 511s 82 (AML 511s Crossings), AML 511s 81 (AML 511s Crossings) annual inspections, bird mitigation 4.38 Days
Continuous		  
29-Apr-24 08:00 19-May-24 18:00 ENMAX Outage 2.82L (SS-2 - SS-5), 1.84L (SS-1 - SS-5), 5.7TR (SS-5), 5.5TR (SS-5), 5B138-5BT7 (SS-5), 5B138-1.84 (SS-5), 5B138-2.82 (SS-5), 5MD138-5.5TR (SS-5), 5MD138-5.7TR (SS-5), 2MD138-2.82 (SS-2) 138kV disconnect switch replacement and substation washing 20.42 Days
Continuous		  
29-Apr-24 08:00 10-May-24 16:00 ENMAX Outage 1.83L (SS-1 - SS-8), 8B138-3A0 (SS-8), 8B138-4A0 (SS-8) SS-8 protection work 11.33 Days
Continuous		  
29-Apr-24 08:00 02-May-24 17:00 ALTALINK TE 535s RTU/SCADA (535s Joffre) download new configurations and make LAN modifications 3.38 Days
Continuous		  
29-Apr-24 08:00 02-May-24 17:00 ALTALINK TE 244s Protection & Control (244s Bowmanton) removing protections one at a time to install and commission new circuits and protections 3.38 Days
Daily		  
29-Apr-24 08:00 02-May-24 17:00 ALTALINK TE 244s Protection & Control (244s Bowmanton) removing protections one at a time to install and commission new circuits and protections 3.38 Days
Daily		  
29-Apr-24 08:00 05-May-24 16:00 ALTALINK, TRANSALTA Outage 33s T1 (33s Spray) preventive maintenance 6.33 Days
Continuous		  
29-Apr-24 08:00 30-Apr-24 17:00 ALTALINK TE 39s RTU/SCADA (39s Bickerdike) RTU database update 1.38 Days
Daily		  
29-Apr-24 08:00 29-Apr-24 16:00 ATCO RB 7L82 (788s Hotchkiss - 855s Hamburg), 7L82 (853s Ring Creek - 855s Hamburg) inspect 7L51D2 and reinstall the guy wire 8 Hours
Continuous		  
29-Apr-24 08:00 29-Apr-24 16:00 ATCO RB 7L51 (788s Hotchkiss - 927s Buchanan Creek) inspect 7L51D2 and reinstall the guy wire 8 Hours
Continuous		  
29-Apr-24 08:00 09-May-24 17:00 ALTALINK TE 55s RTU/SCADA (55s Olds) download new configurations for breaker replacement work 10.38 Days
Continuous		  
29-Apr-24 08:00 30-Apr-24 17:00 ALTALINK TE 62s RTU/SCADA (62s Brazeau Plant) investigate a solution for the inaccurate 240 kV bus voltage and fix DNP comm fail for revenue meters T1/T2 1.38 Days
Daily		  
29-Apr-24 08:00 10-Jun-24 17:00 ATCO IO 755s Protection & Control (755s Cordel) change relay settings at 755s on 9L16 protection 42.38 Days
Continuous		  
29-Apr-24 09:00 02-May-24 12:00 ATCO RB 7L54 (794s Valleyview - 813s Little Smoky) walk up and climbing inspection 3.13 Days
Continuous		  
29-Apr-24 09:00 05-May-24 17:00 ATCO TE 728s Protection & Control (728s Mercer Hill), 728s RTU/SCADA (728s Mercer Hill) protection and RTU updates 6.33 Days
Continuous		  
29-Apr-24 09:00 02-May-24 15:00 ALTALINK Outage 122s T3 (122s Alberta Newsprint) repair oil leaks and oil leak mitigation 3.25 Days
Continuous		  
29-Apr-24 09:30 29-Apr-24 16:30 ALTALINK Outage 58s C1 (58s Edson) replace 3 capacitors and weed spraying 7 Hours
Daily		  
29-Apr-24 10:00 06-May-24 17:30 ATCO Outage 813s SVC (813s Little Smoky), 813s 719 (813s Little Smoky) SVC valve cooling improvements 7.31 Days
Continuous		  
29-Apr-24 10:00 03-May-24 16:00 ATCO Outage 951s SVC (951s Thickwood), 951s 901T (951s Thickwood Hills), 951s 902T (951s Thickwood Hills), 951s 919 (951s Thickwood Hills) breakers trip coil testing and transformers SPR testing 4.25 Days
Continuous		  
29-Apr-24 11:00 02-May-24 17:00 ALTALINK TE 320p RTU/SCADA (320P Keephills) investigate failed SMP 3.25 Days
Daily		  
29-Apr-24 11:00 30-Apr-24 17:00 ALTALINK TE 275s Protection & Control (275s Jenner) replace redundant bus protection relays 30 Hours
Daily		  
29-Apr-24 11:00 02-May-24 17:00 ALTALINK TE 297s Protection & Control (297s Rimbey) isolating relays during the T1 outage 3.25 Days
Daily		  
29-Apr-24 13:00 02-May-24 17:30 ALTALINK Outage 297s T1 (297s Rimbey) transformer maintenance 3.19 Days
Continuous		  
29-Apr-24 14:00 09-May-24 17:00 ALTALINK Outage 55s T1 (55s Olds) breaker and switches replacements 10.13 Days
Continuous		  
29-Apr-24 14:01 10-Jun-24 14:00 ATCO Outage 863s 901T (863s Paintearth) protection upgrade 42 Days
Continuous		  
30-Apr-24 07:00 30-Apr-24 17:00 ENMAX RB 16.60L (SS-16 - SS-34) tree trimming 10 Hours
Daily		  
30-Apr-24 07:00 02-May-24 17:00 ALTALINK TE 199s Protection & Control (199s East Airdrie) 688L and RAS51 relays settings update 2.42 Days
Continuous		  
30-Apr-24 07:00 02-May-24 17:00 ENMAX, ALTALINK TE 653s Protection & Control (653s Summit) 688L, RAS49, RAS50 relays settings update 2.42 Days
Continuous		  
30-Apr-24 07:00 02-May-24 17:00 ALTALINK, GLPC TE 1055s Protection & Control (1055s Sollair) 688L, RAS49, RAS50, RAS51 relays settings update 2.42 Days
Continuous		  
30-Apr-24 08:00 02-May-24 17:00 ALTALINK Outage 853L (504s Queenstown - 853AL tap) Hardware tighten structures 232, 233, 243, 251, 260, 261, 273, 276, 282, 284, 288, 290, 291, 295, 316, 321 & 325. 2.38 Days
Continuous		  
30-Apr-24 08:00 30-Apr-24 15:00 ALTALINK Outage 865L (38s East Edmonton - 216s Knightsbridge) replace VSR on 865L at 216s and site checks at 216s 7 Hours
Daily		  
30-Apr-24 08:00 01-May-24 17:00 ALTALINK TE 225s RTU/SCADA (225s Magrath) updating RTU configuration for implementation of 863L & 225L fault reporting to SCADA 1.38 Days
Daily		  
30-Apr-24 08:00 30-Apr-24 16:00 ALTALINK, CascadeP TE AltaLink Telecom Equipment, 39s RTU/SCADA (39s Bickerdike), 346s RTU/SCADA (346s Kaybob), 355s RTU/SCADA (355s Chevron Knight), 122s RTU/SCADA (122s Alberta Newsprint), 602s RTU/SCADA (602s Cold Creek), 338s RTU/SCADA (338s Cherhill), 1012s RTU/SCADA (1012s Deer Hill), 1047s RTU/SCADA (1047s Whisky Jack) upgrade 338s - 9356R MW Radio 8 Hours
Daily		  
30-Apr-24 08:00 30-Apr-24 17:00 ALTALINK TE 498s RTU/SCADA (498s Tilley), AltaLink Telecom Equipment This is for access and outage to 9466R to complete a raw socket conversion on 7705A, as well as install 2 LAN Switches. 498s Visibility will be lost for 2 hrs. 9 Hours
Daily		  
30-Apr-24 08:00 30-Apr-24 18:00 ALTALINK TE AltaLink Telecom Equipment, 256s RTU/SCADA (256s Harmattan), 238s RTU/SCADA (238s Shell Harmattan), 373s RTU/SCADA (373s Madden), 531s RTU/SCADA (531s Shell Schrader Creek) 9433R and 9433R-7705A&B will be out of service one at a time for 4 hours for the upgrade. Will impact supervisory at 256s, 238s, 373s, 531s & 634s for 4hrs. Also 9004R Ops Lan will be OOS for 4hrs. 62p (Caution AGC will be impacted) & all other circuits will be re-routed in 50ms. 10 Hours
Daily		  
30-Apr-24 08:00 02-May-24 16:00 ATCO RB 7L80 (740s H.R. Milner - 857s Kakwa Ridge), 7L80 (733s Simonette - 857s Kakwa Ridge) reinforcing shield wire between str# 236 and 237 2.33 Days
Continuous		  
30-Apr-24 08:00 11-May-24 16:00 BCH Outage 5L72 (BCH Mica G.S. - BCH Nicola) replace end of life spacer dampers BC Hydro maintenance does not affect the Alberta ATC 11.33 Days
Continuous		 AB-BC
30-Apr-24 08:30 30-Apr-24 15:30 ALTALINK TE 225s Protection & Control (225s Magrath) 225L B protection outage 7 Hours
Daily		  
30-Apr-24 08:30 30-Apr-24 17:30 ALTALINK Outage 320p 2952 (320p Keephills) urgent repair 9 Hours
Daily		  
30-Apr-24 09:00 30-Apr-24 10:00 ATCO TE ATCO Telecom Equipment Friedenstal_S-Telecom - move service to correct SDP 60 Mins
Continuous		  
30-Apr-24 09:00 01-May-24 16:00 ATCO, PWLP TE 973s Protection & Control (973s Lanes Lake) update relays settings pick up timer 31 Hours
Continuous		  
30-Apr-24 09:00 30-Apr-24 16:30 ATCO TE ATCO RTU/SCADA update A RTAC controller configuration 7.5 Hours
Continuous		  
30-Apr-24 09:00 01-May-24 17:00 ALTALINK TE 48s Protection & Control (48s Pocaterra) end to end testing NERC RAS AOP - CPC 1.33 Days
Daily		  
30-Apr-24 10:00 02-May-24 16:00 ATCO IO 939s 1213R (939s Livock) testing spare reactor only 2.25 Days
Continuous		  
30-Apr-24 10:00 30-Apr-24 17:00 ENMAX, ALTALINK RB 50L (44s Bearspaw Plant - SS-21) facilitate climbing an energized structure to inspect woodpecker holes 7 Hours
Daily		  
30-Apr-24 10:00 30-Apr-24 16:00 ALTALINK RB 804L (40s 803L tap - 86s 803L tap), 804L (40s Wetaskiwin - 40s 803L tap), 804L (86s Bigstone - 86s 803L tap) urgent repair - damaged downlead and burnt structure at 804L12 6 Hours
Daily		  
01-May-24 00:00 03-May-24 00:00 SUNCOR TE 29EDD-18 29PT-101 (29EDD-18 Firebag) FB - 29EDD-18 29PT-101 Beckwith Relay Fail. Replace adapter panel for Beckwith relay with a new adapter panel. 2 Days
Continuous		  
01-May-24 00:00 02-May-24 00:00 ALTALINK TE 618s RTU/SCADA (618s Riverbend) updating RTU for 2021 fault reporting data on L1/L2/L4 24 Hours
Daily		  
01-May-24 07:00 04-Jun-24 17:30 ALTALINK Outage 326s 240kV Bus 1 (326s Murray lake), 326s 152 (326s Murray Lake), 326s 352 (326s Murray Lake), 961L (326s Murray lake - 516s Forty Mile) closing 326s open point 'C' connecting 961L to 326s 34.44 Days
Continuous		  
01-May-24 07:00 02-May-24 18:00 ALTALINK Outage 408L (51s Wainwright - 252s Jarrow) Replace crossarms and insulators at structure 273, 276, 278 & 282. 1.46 Days
Continuous		  
01-May-24 07:00 01-May-24 17:00 ENMAX RB 6.82L (SS-6 - SS-41) tree trimming 10 Hours
Daily		  
01-May-24 07:00 04-May-24 16:00 CMH Outage MH-16L (MHS-2 North Industrial - MHS-16 Cousins), MHS-16 16-69KV-BKR001 (MHS-16 Cousins), MHS-16 662-DS-8001 (MHS-16 Cousins), MHS-2 MH69-224 (MHS-2 North Industrial), MHS-2 MH69-223 (MHS-2 North Industrial), MHS-2 MH69-225 (MHS-2 North Industrial), MHS-2 West Bus (MHS-2 North Industrial), MHS-2 MH69-206 (MHS-2 North Industrial), MHS-2 MH69-205 (MHS-2 North Industrial), MHS-2 MH69-204 (MHS-2 North Industrial), MHS-2 MH69-207 (MHS-2 North Industrial), MHS-2 MH69-208 (MHS-2 North Industrial), MHS-2 MH69-210 (MHS-2 North Industrial), CS21 (MHS-2 North Industrial), MH69s2 T21 (MH69s2 North Industrial), MHS-2 2S1-M (MHS-2 North Industrial), MHS-2 2S2-TB (MHS-2 North Industrial), MHS-2 MH69-217 (MHS-2 North Industrial), MHS-2 MH69-216 (MHS-2 North Industrial) Maintenance and repair activities on overhead 69kV switches in the MHS-2 N. Industrial substation West bus. Replacement of jumper connection conductors between MH69-16L transmission line termination and the MHS-2 N. Industrial substation West bus. 3.38 Days
Continuous		  
01-May-24 08:00 01-May-24 18:00 Syncrude TE Syncrude ICCP Outage SCADA - Server Update
Whole Syncrude Visibility Loss		 10 Hours
Daily		  
01-May-24 08:00 07-May-24 15:00 ALTALINK Outage 753L (65s High River - 253s Blackie), 65s 753E (65s High River), 253s 753W (253s Blackie) replace structures arms and insulators and hardware tighten structures 6.29 Days
Continuous		  
01-May-24 08:00 01-May-24 18:00 ENMAX, ALTALINK IO 24.81L (SS-24 - SS-31), 24.83L (74s Janet - SS-24), 24.1TR (SS-24), 24B138-24BT3 (SS-24) Power Factor Test - 24B138-24.83-CT, 24PT138-Z31 10 Hours
Continuous		  
01-May-24 08:00 04-Jun-24 17:00 ALTALINK TE 326s RTU/SCADA (326s Murray Lake) update configurations 34.38 Days
Continuous		  
01-May-24 08:00 01-May-24 13:00 ALTALINK TE 618s Protection & Control (618s Riverbend) B87/863L (L2) ‘B’ protection outage 5 Hours
Daily		  
01-May-24 08:00 01-May-24 13:00 ALTALINK TE 225s Protection & Control (225s Magrath) B87/863L (L1) ‘B’ protection outage 5 Hours
Daily		  
01-May-24 08:00 01-May-24 18:00 ENMAX, ALTALINK Outage 24.83L (74s Janet - SS-24), 74s 24.83X (74s Janet), 74s 32 (74s Janet), 24B138-24.83 (SS-24) power factor test 10 Hours
Daily		  
01-May-24 08:00 01-May-24 17:00 ALTALINK TE AltaLink Telecom Equipment outage to 9273R 9 Hours
Daily		  
01-May-24 08:00 02-May-24 16:00 ENMAX Outage 24.1TR (SS-24) tap changer inspection 1.33 Days
Continuous		  
01-May-24 08:30 01-May-24 17:30 ALTALINK Outage 320p 3052 (320p Keephills) urgent repair; flash over protection enabled on 500kV breaker failure relays 9 Hours
Daily		  
01-May-24 09:00 01-May-24 10:00 ATCO TE ATCO Telecom Equipment, ATCO TPR Outage move multiple protection to new services 60 Mins
Continuous		  
01-May-24 09:00 02-May-24 17:00 BCH Outage 5L52 (BPA Custer - BCH Ingledow) perform transmission line insulator maintenance & conductor testing 1.33 Days
Continuous		 AB-BC
01-May-24 09:00 01-May-24 13:00 ALTALINK Outage 338s 552 (338s Cherhill) urgent - oil sample required for investigation of high oil levels in CT5 4 Hours
Daily		  
01-May-24 09:30 01-May-24 15:30 ATCO Outage 6L03 (757s Battle River - 6L17 tap), 6L17 (759s Castor - 6L03 tap), 6L03 (775s Sullivan Lake - 6L17 tap), 757s 603 (757s Battle River) Inspect / test / repair 6L03D2 as it has been reported that vacuum bottles not working, and is now considered DLO
759S Castor Substation off-loaded to adjacent subs		 6 Hours
Continuous		  
01-May-24 13:00 01-May-24 17:00 ALTALINK TE 618s Protection & Control (618s Riverbend) A87/863L (L2) ‘A’ protection outage 4 Hours
Daily		  
01-May-24 13:00 01-May-24 17:00 ALTALINK TE 225s Protection & Control (225s Magrath) A87/863L (L1) ‘A’ protection outage 4 Hours
Daily		  
01-May-24 13:00 01-May-24 15:00 ALTALINK TE AltaLink Telecom Equipment, 54s Protection & Control (54s Fort Saskatchewan) replace failed card in 54s MPLS shelf 2 Hours
Daily		  
02-May-24 07:00 02-May-24 17:00 ENMAX RB 6.82L (SS-6 - SS-41) tree trimming 10 Hours
Daily		  
02-May-24 08:00 02-May-24 18:00 ENMAX, ALTALINK Outage 20.82L (SS-20 - SS-21), 21.80L (42s Sarcee - SS-21), 21.1TR (SS-21), 21.4TR (SS-21), 21B138-20.82 (SS-21), 21B138-21.80 (SS-21), 21B69-21.4TR (SS-21), SW64 (SS-21), 21MD138-21.1TR (SS-21), 21MD138-21.4TR (SS-21) Fall Substation Washing. Altalink required to remove AML VT4 60S100 fuses 10 Hours
Continuous		  
02-May-24 08:00 02-May-24 13:00 ALTALINK TE 618s Protection & Control (618s Riverbend) A87/725AL (L1) ‘A’ protection outage 5 Hours
Daily		  
02-May-24 08:00 02-May-24 16:00 ENMAX Outage 24.82L (SS-24 - SS-65), 24B138-24.82 (SS-24), 65B138-D81 (SS-65), 65B138-D82 (SS-65) power factor test - 65PT138-24.82 8 Hours
Continuous		  
02-May-24 08:00 02-May-24 18:00 ENMAX, ALTALINK Outage 21.80L (42s Sarcee - SS-21), 20.82L (SS-20 - SS-21), 21.1TR (SS-21), 21.4TR (SS-21), 21B138-21.80 (SS-21), 21B138-20.82 (SS-21), 21MD138-21.4TR (SS-21), 21MD138-21.1TR (SS-21) fall substation washing 10 Hours
Continuous		  
02-May-24 08:00 02-May-24 12:00 ATCO RB 7L23 (796s Nipisi - 7L23 tap), 7L23 (732s Mitsue - 7L23 tap) lift 1 phase on 144 kV line for a high load move 4 Hours
Continuous		  
02-May-24 08:00 02-May-24 12:00 ATCO RB 7L63 (780s Lubicon - 812s Norcen), 7L63 (788s Hotchkiss - 7LA63 tap), 7L63 (812s Norcen - 7LA63 tap) lift 1 phase on 144 kV line for a high load move 4 Hours
Continuous		  
02-May-24 08:00 02-May-24 17:00 ALTALINK TE 237s RTU/SCADA (237s Foothills), AltaLink Telecom Equipment raw socket conversion on 7705A and 2 LAN switches installation 9 Hours
Daily		  
02-May-24 08:00 02-May-24 17:00 SUNCOR TE 29EDD-22 RTU/SCADA (29EDD-22) BP- updates to 29EDD-22 for line protection upgrades 29PL6-5, transformer protection upgrade 9 Hours
Continuous		  
02-May-24 08:00 02-May-24 17:00 ALTALINK TE 648s Protection & Control (648s Metiskow) standard relay maintenance 9 Hours
Daily		  
02-May-24 08:30 02-May-24 17:30 ALTALINK Outage 320p 3152 (320p Keephills) urgent repair - flash over protection enabled on 500kV breaker failure relays 9 Hours
Daily		  
02-May-24 09:00 27-May-24 17:30 ATCO TE 883s RTU/SCADA (883s Gregoire) protection upgrade and PLC replacement 25.35 Days
Continuous		  
02-May-24 13:00 02-May-24 17:00 ALTALINK TE 618s Protection & Control (618s Riverbend) A87/824L (L4) ‘A’ protection outage 4 Hours
Daily		  
03-May-24 07:00 03-May-24 17:00 ENMAX RB 6.82L (SS-6 - SS-41) tree trimming 10 Hours
Daily		  
03-May-24 07:00 03-May-24 17:00 EPCOR Outage 330p 430LD1 (330p Genesee), 330p 8L10D (330p Genesee) Functional timing tests on 430LD1 and 8L10D motorized disconnects. No planned outage to any customers as testing can be completed with disconnect live and 430LD2 bypass closed. 10 Hours
Continuous		  
03-May-24 08:00 03-May-24 12:00 ENMAX Outage 1.80L (SS-1 - SS-28), 28.1TR (SS-28), 28B138-1.80 (SS-28), SW83 (SS-28), 28MD138-28.1TR (SS-28) spring substation washing 4 Hours
Continuous		  
03-May-24 08:00 03-May-24 17:00 ALTALINK Outage 821L (158s Vauxhall - 421s Hays) Retie OHSW at structure 23. 9 Hours
Daily		  
03-May-24 08:00 03-May-24 17:00 SUNCOR TE 29EDD-1 RTU/SCADA (29EDD-1 Millennium) BP-Updates to 29EDD-1 for Line Protection upgrades 29PL6-5 9 Hours
Continuous		  
03-May-24 08:00 03-May-24 12:00 ALTALINK TE AltaLink Telecom Equipment, 197s RTU/SCADA (197s Bardo), 299s RTU/SCADA (299s Kingman), 542s RTU/SCADA (542s Ervick) upgrade MPLS node 4 Hours
Daily		  
03-May-24 09:00 03-May-24 17:00 BCH Outage 1L274 (BCH Natal - BCH Line Creek tap) 1L274 (NTL-LCC) replace structure BC maintenance does not affect the Alberta ATC 8 Hours
Continuous		 AB-BC
03-May-24 09:00 03-May-24 17:00 ALTALINK IO 887L (48s Pocaterra - 978s BCH Britt Creek) 1L274 (NTL-LCC) Replace structure 8 Hours
Daily		  
03-May-24 11:00 03-May-24 17:00 ATCO RB 7L76 (786s High Level - 832s Blumenort) hot lift bottom phase 7L76-4 6 Hours
Continuous		  
03-May-24 12:00 03-May-24 18:00 ENMAX, ALTALINK Outage 28.80L (42s Sarcee - SS-28), 28.2TR (SS-28), 28B138-28.80 (SS-28), SW82 (SS-28), 28MD138-28.2TR (SS-28) spring substation washing 6 Hours
Continuous		  
03-May-24 12:00 03-May-24 18:00 ENMAX, ALTALINK IO 28.80L (42s Sarcee - SS-28) spring substation washing 6 Hours
Continuous		  
03-May-24 12:00 03-May-24 18:00 ENMAX, ALTALINK Outage 28.80L (42s Sarcee - SS-28) Spring Substation Washing. 6 Hours
Daily		  

Prepared On:   2024-04-24   15:09:31

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