Alberta Electric System Operator
System Co-ordination Plan
2018-07-26 to 2018-08-03
Approved Outages

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From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
31-Jul-15 18:01 31-Aug-18 17:00 EPCOR Outage Rossdale C1 (Rossdale) forced outage 1,126.96 Days
Continuous		  
27-Mar-18 07:00 31-Aug-18 17:00 EPCOR TE Strathcona RTU/SCADA substation automation upgrade project, IP address update and cutover of RTU to new network 157.42 Days
Daily		  
27-Mar-18 07:00 31-Aug-18 17:00 EPCOR TE Strathcona substation automation upgrade project, IP address update and cutover of IED's to new network 157.42 Days
Daily		  
16-Apr-18 07:00 15-Dec-18 17:00 EPCOR TE 803S Lambton substation automation upgrade 243.46 Days
Daily		  
16-Apr-18 07:00 15-Dec-18 17:00 EPCOR TE 803s Lambton RTU/SCADA substation automation upgrade 243.46 Days
Daily		  
21-Apr-18 08:00 30-Sep-18 16:00 ALTALINK Outage 100L (895s Suffield - 498s Tilley) forced outage due to underbuild issues 162.33 Days
Continuous		  
30-Apr-18 07:00 21-Sep-18 17:00 EPCOR Outage Namao T1 (Namao),Namao N721 (Namao),Namao N722 (Namao) TX replacement 144.42 Days
Continuous		  
09-May-18 11:30 11-Aug-18 17:00 ALTALINK Outage 902L (19s Wabamun - 310p Sundance) emergency safety requirement 94.23 Days
Continuous		  
17-May-18 05:30 31-Aug-18 17:30 ALTALINK RB 551L (123s Banff - 953s Lake Louise) line rebuild 106.5 Days
Daily		  
19-May-18 07:00 30-Jul-18 18:00 ATCO, ALTALINK RB 9L913 (69s North Barrhead - 732s Mitsue) new 500kv line construction parallel to 9L913 72.46 Days
Daily		  
04-Jun-18 08:00 22-Aug-18 17:00 ATCO Outage 722s 702T (722s Crystal Lake) real time forced outage 79.38 Days
Continuous		  
07-Jun-18 08:00 15-Sep-18 08:00 ENMAX Outage 1.81L (ENMAX 20 - ENMAX 1) DCTRP replace conductor 100 Days
Continuous		  
18-Jun-18 07:00 21-Sep-18 17:00 EPCOR Outage Strathcona T1 (Strathcona),72RS5 (Rossdale - Strathcona) transformer replacement 95.42 Days
Continuous		  
28-Jun-18 07:00 31-Jul-18 18:00 ATCO, ALTALINK RB 9L913 (69s North Barrhead - 732s Mitsue) new 500 kv line construction parallel to 9L913 33.46 Days
Continuous		  
28-Jun-18 07:00 31-Jul-18 18:00 ALTALINK RB 913L (69s North Barrhead - 732s Mitsue) Atco maintenance (new 500kV line construction parallel to 9L913) 33.46 Days
Daily		  
09-Jul-18 07:00 03-Aug-18 17:00 EPCOR Outage Rossdale T3 (Rossdale) cable moves 25.42 Days
Continuous		  
09-Jul-18 07:30 03-Aug-18 18:30 ALTALINK IO 9.80L Enmax - Info ENMAX line protection upgrade 25.46 Days
Continuous		  
10-Jul-18 18:00 03-Aug-18 16:00 ENMAX Outage 9.80L (ENMAX 31 - ENMAX 9) line protection upgrade 23.92 Days
Continuous		  
11-Jul-18 08:00 01-Aug-18 14:00 ALTALINK IO 767L50 Open - info only used to track 767L50 open and 21s & 635s fed via 320p 21.25 Days
Continuous		  
12-Jul-18 14:00 30-Jul-18 12:00 ALTALINK Outage 512L (310p Sundance - 821s Sundance) replace all wooden cross arms 17.92 Days
Continuous		  
16-Jul-18 11:00 26-Jul-18 16:00 ALTALINK Outage 1112L (289s Saunders Lake - 89s Ellerslie),89s 1452 (89s Ellerslie),89s 1552 (89s Ellerslie) 89s1452 breaker replacement, 89s81 PT replacement 10.21 Days
Continuous		  
16-Jul-18 11:00 26-Jul-18 16:00 EPCOR IO ALTALINK - 1112L (89s-289s) - Advice 89s1452 breaker replacement, 89s81 PT replacement 10.21 Days
Continuous		  
16-Jul-18 11:00 26-Jul-18 16:00 ALTALINK, EPCOR RB 947L (89s Ellerslie - 987s Clover Bar) 89s1452 breaker replacement, 89s81 PT replacement 10.21 Days
Continuous		  
18-Jul-18 07:00 01-Aug-18 18:00 ALTALINK Outage 708L (71s Lamoureux - 708L88X) install new switch 708L87F 14.46 Days
Continuous		  
19-Jul-18 08:00 31-Aug-18 16:00 ALTALINK Outage 953S Lake Louise station upgrade - 69kV bus rebuild 43.33 Days
Continuous		  
19-Jul-18 13:00 28-Jul-18 17:00 ALTALINK Outage 452L (434s Stony Plain - 367s Harry Smith) moving portions of line to allow for road widening between Structures 33 - 59 9.17 Days
Continuous		  
20-Jul-18 17:46 14-Sep-18 17:00 ATCO Outage 7L760 (7L760D2 - 767s Oyen) emergency outage 55.97 Days
Continuous		  
21-Jul-18 07:00 27-Aug-18 18:00 ATCO RB 7L30 (732s Mitsue - 844s AEC Mill) close proximity for stringing conductor on 500kV line 37.46 Days
Continuous		  
23-Jul-18 07:00 26-Jul-18 17:00 ATCO Outage 7L702 (137s Sedgewick - 757s Battle River),757s 708 (757s Battle River) Install and test transfer trip from Altalink 3.42 Days
Continuous		  
23-Jul-18 07:00 10-Aug-18 17:00 EPCOR Outage E511s VictoriaT3 (511s Victoria),Victoria V725 (Victoria),Victoria V724 (Victoria) cutting over and commissioning new protection 18.42 Days
Continuous		  
23-Jul-18 08:00 26-Jul-18 17:00 ATCO IO 7L702 (137s Sedgewick - 757s Battle River) change arms and insulators on 7L702 3.38 Days
Continuous		  
23-Jul-18 08:00 26-Jul-18 17:00 ATCO Outage 6L12 (6L25 tap - 774s Monitor) install screw piles for new 6L12D3 just east of existing 6L12D3 3.38 Days
Daily		  
23-Jul-18 08:00 26-Jul-18 17:00 ALTALINK IO 757s708 Info only Trip test. ATCO Ref #: 2-00044360; coordinated with ATCO line maintenance 3.38 Days
Continuous		  
23-Jul-18 08:00 02-Aug-18 16:00 ALTALINK TE AltaLink Radio Tower 316s - installation of new radio and updating RTU configuration 10.33 Days
Continuous		  
23-Jul-18 08:00 22-Sep-18 19:00 ENMAX TE ENMAX 39 138 kV bus differential panel replacement 61.46 Days
Continuous		  
23-Jul-18 08:00 27-Jul-18 16:00 ENMAX Outage 12.2TR (ENMAX 12) HV CT addition 4.33 Days
Continuous		  
23-Jul-18 08:00 27-Jul-18 17:00 TRANSALTA TE Transalta Telemetry telemetry outage to Alberta sites 4.38 Days
Continuous		  
23-Jul-18 09:00 26-Jul-18 17:00 ALTALINK TE 267s Killarney Lake RTU/SCADA update RTU 3.33 Days
Daily		  
23-Jul-18 09:15 03-Aug-18 17:45 ALTALINK Outage 754L (437s Baymag - 754L75) structure replacements 11.35 Days
Continuous		  
23-Jul-18 09:30 26-Jul-18 12:00 ATCO RB 9L1088 (324s Cassils - 2075s Newell) AltaLink is requesting a daily reclose block on 9L1088, for work in proximity to 1051L - SCADA upgrade 3.1 Days
Daily		  
23-Jul-18 10:00 26-Jul-18 16:00 ALTALINK Outage 87s T1 (87s Gaetz),914L (87s Gaetz - 63s Red Deer),87s 552 (87s Gaetz),87s 152 (87s Gaetz),87s 952 (87s Gaetz),87s 1652 (87s Gaetz) replace bus protection and perform test trips 3.25 Days
Continuous		  
23-Jul-18 10:00 27-Jul-18 16:00 ATCO Outage 801s 911 (801s Anderson) breaker testing and maintenance 4.25 Days
Continuous		  
23-Jul-18 10:00 27-Jul-18 17:00 ATCO TE 755s Cordel RTU/SCADA network upgrade 4.29 Days
Continuous		  
23-Jul-18 11:00 26-Jul-18 14:00 ALTALINK Outage 212s T1 (212s N.E.Lacombe) 212s28 replacement, bird cover & Doble test 3.13 Days
Continuous		  
23-Jul-18 12:30 26-Jul-18 16:30 ALTALINK Outage 945s T2 (945s Sunshine Village) change out the 25kV bushings ,doble and maintain 3.17 Days
Continuous		  
23-Jul-18 13:00 26-Jul-18 17:00 ALTALINK Outage 1051L (28s West Brooks - 324s Cassils),324s 1652 (324s Cassils),324s 1752 (324s Cassils) SCADA system upgrade 3.17 Days
Continuous		  
23-Jul-18 13:00 26-Jul-18 16:00 ALTALINK Outage 974L (39s Bickerdike - 310p Sundance),310p 152 (310p Sundance),310p 252 (310p Sundance) migrate and commission new protections 3.13 Days
Continuous		  
23-Jul-18 13:30 26-Jul-18 16:00 ALTALINK Outage 562s T2 (562s Cypress) Maintain, doble, SFRA and investigate alarm on T2. 3.1 Days
Continuous		  
23-Jul-18 13:30 27-Jul-18 12:30 ATCO Outage 791s 701T (791s Rainbow Lake) MR TC upgrade and maintenance 3.96 Days
Continuous		  
23-Jul-18 14:00 26-Jul-18 15:00 ALTALINK TE 310P Sundance PMU Migrate and commission 3.04 Days
Daily		  
24-Jul-18 07:00 31-Jul-18 17:00 ALTALINK, EPCOR RB 1045L (310p Sundance - 805s Jasper) steel pole refurbishment 7.42 Days
Continuous		  
24-Jul-18 07:00 31-Jul-18 17:00 EPCOR RB 1098L (805s Jasper - Poundmaker) steel pole refurbishment 7.42 Days
Continuous		  
24-Jul-18 07:00 31-Jul-18 17:00 ALTALINK, EPCOR RB 1045L (310p Sundance - 320p Keephills - 805s Jasper) steel pole refurbishment 7.42 Days
Continuous		  
24-Jul-18 07:00 26-Jul-18 18:00 ALTALINK TE 316s West Crossfield RTU/SCADA re-cabling antennas and radios 2.46 Days
Daily		  
24-Jul-18 07:00 26-Jul-18 18:00 ALTALINK Outage 723L (69s North Barrhead - 723L133) install new dead end structure east of Str. #205 and remove anchors on Str. #205 2.46 Days
Continuous		  
24-Jul-18 08:00 03-Aug-18 16:00 ENMAX Outage 39.2TR (ENMAX 39) panel replacement 10.33 Days
Continuous		  
24-Jul-18 08:00 26-Jul-18 17:00 ALTALINK TE 310P Sundance RTU/SCADA update RTU configuration for 974L 2.38 Days
Daily		  
24-Jul-18 08:00 27-Jul-18 17:00 ATCO TE 802s Michichi Creek RTU/SCADA RTU update 3.38 Days
Continuous		  
24-Jul-18 08:00 27-Jul-18 17:00 ATCO TE 804s Wintering Hills RTU/SCADA Wintering Hills IPP RTU updates 3.38 Days
Continuous		  
24-Jul-18 08:00 27-Jul-18 17:00 ATCO TE 963s Coyote Lake RTU/SCADA RTU upgrade 3.38 Days
Continuous		  
24-Jul-18 08:00 27-Jul-18 17:00 ATCO TE 932s Pemukan RTU/SCADA RTU upgrade 3.38 Days
Continuous		  
24-Jul-18 08:00 27-Jul-18 17:00 ATCO TE 959s Lanfine RTU/SCADA RTU upgrade 3.38 Days
Continuous		  
24-Jul-18 08:00 27-Jul-18 17:00 ATCO TE 769s Stettler RTU/SCADA RTU upgrade 3.38 Days
Continuous		  
24-Jul-18 08:00 27-Jul-18 15:30 ALTALINK, Lethbridge RB 824L (593s Lethbridge Lakeview - 618s Riverbend) safety concern for city of Lethbridge work 3.31 Days
Continuous		  
24-Jul-18 23:30 02-Aug-18 14:00 ALTALINK Outage 799s T3 (799s Coleman) de-energize T3 with 799s bus outage 8.6 Days
Continuous		  
25-Jul-18 07:00 26-Jul-18 15:30 ATCO Outage 2075s ACF14 (2075s Newell) filter bank inspection/maintenance, 1.35 Days
Continuous		  
25-Jul-18 07:00 26-Jul-18 15:30 ALTALINK IO A2075s ACF14 ATCO Info Atco maintenance (filter bank inspection/maintenance) 1.35 Days
Continuous		  
25-Jul-18 07:00 01-Aug-18 18:00 ATCO RB 7L31 (732s Mitsue - 844s AEC MILL) close proximity for stringing conductor on 500KV line 7.46 Days
Daily		  
25-Jul-18 08:00 26-Jul-18 16:00 ENMAX Outage 37.1TR (ENMAX 37) tapchanger inspection. oil sampling MT 1.33 Days
Continuous		  
25-Jul-18 08:30 26-Jul-18 17:00 ALTALINK Outage 305s T1 (305s Acheson) replace 305sT1 bushing X2 and X3 & install bird cover up on the bushings 1.35 Days
Continuous		  
25-Jul-18 12:01 27-Jul-18 15:30 ALTALINK Outage 510s ACF12 (510s Sunnybrook) outage and required to inspect the filter bank 2.15 Days
Continuous		  
26-Jul-18 07:00 27-Jul-18 17:00 ATCO IO 7L81 (FNG Fort Nelson - 791s Rainbow Lake) BC Hydro requests from their line crew to perform live line work on 1L359 at the KLC tap 1.42 Days
Daily		  
26-Jul-18 07:00 26-Jul-18 17:00 ALTALINK TE 737L (95s Imperial Oil Edmonton - 38s East Edmonton) urgent telecom TPR channel 1 and RTU repairs 10 Hours
Continuous		  
26-Jul-18 08:00 27-Jul-18 16:00 ALTALINK TE 305s Acheson RTU/SCADA perform testing on HMI 1.33 Days
Daily		  
26-Jul-18 09:00 26-Jul-18 15:00 ALTALINK IO 132S Ware Junction,MPLS replacement on mda card in MPLS, all circuits rerouted 6 Hours
Daily		  
27-Jul-18 07:00 03-Aug-18 19:00 Saskpower Outage SaskPower C1S maintenance 7.5 Days
Continuous		 AB-SK
27-Jul-18 08:00 27-Jul-18 16:00 ENMAX Outage 2.4TR (ENMAX 2) oil sample, bushings 8 Hours
Continuous		  
27-Jul-18 08:00 06-Aug-18 16:00 ENMAX Outage 28.1TR (ENMAX 28) NGR installation 10.33 Days
Continuous		  
28-Jul-18 07:00 28-Jul-18 17:00 EPCOR Outage 1055L (816s Petrolia - 629s Argyll Transfer Station),BA3/1055L @ Argyl Doble 10 Hours
Continuous		  
28-Jul-18 07:00 28-Jul-18 17:00 ALTALINK IO 1055L (E816s-E629s) EPCOR Outage - Info EPCOR washing program 10 Hours
Daily		  
28-Jul-18 07:00 29-Jul-18 17:00 EPCOR Outage Emergency Request - Bus 4 @ Cloverbar CVT Replacement 1.42 Days
Continuous		  
28-Jul-18 08:00 29-Jul-18 16:00 ENMAX Outage 11.2TR (ENMAX 11) Install new card on T60. Test HV slipover CT 1.33 Days
Continuous		  
28-Jul-18 08:00 28-Jul-18 18:00 ENMAX Outage 5B138-5BT7 Doble 5B138-5BT7 138kV East & West CTs 10 Hours
Continuous		  
28-Jul-18 08:00 28-Jul-18 18:00 ENMAX Outage ENMAX 5 Doble test PTs. 2.82L, 1.84L, and 1.82L distance elements will not function while PTs are out of service but lines will remain protected through line differential protection. 10 Hours
Continuous		  
28-Jul-18 08:00 15-Aug-18 16:00 ATCO RB 9L56 (732s Mitsue - 876s Brintnell) close proximity for stringing conductor on 500KV line 18.33 Days
Daily		  
29-Jul-18 06:30 29-Jul-18 17:30 ALTALINK IO 920L (E557s - 37s) EPCOR Outage - Advice Doble 11 Hours
Daily		  
29-Jul-18 07:00 29-Jul-18 17:00 ALTALINK, EPCOR Outage 920L (37s North Calder - 557s Castle Downs) Doble 10 Hours
Continuous		  
30-Jul-18 07:00 01-Aug-18 15:30 ATCO Outage 2075s ACF21 (2075s Newell),2075s 902T (2075s Newell) ACF21/902T inspections/maintenance 2.35 Days
Continuous		  
30-Jul-18 07:00 01-Aug-18 15:30 ALTALINK IO A2075s ACF21 ATCO Info Atco maintenance - ACF21/902T inspections/maintenance 2.35 Days
Continuous		  
30-Jul-18 07:00 01-Aug-18 15:30 ATCO TE 2075s SVC2 (2075s Newell),2075s 902T (2075s Newell) CIP relay firmware upgrade at Newell 2075S - 902T B protection out-of-service 2.35 Days
Continuous		  
30-Jul-18 07:30 02-Aug-18 18:00 ALTALINK RB 847L (39s Bickerdike - 406s Fickle Lake),847L (602s Cold Creek - 406s Fickle Lake) reclosers blocked for safety risk mitigation to assemble and set 492L1 bypass switch near Cold Creek 602s 3.44 Days
Continuous		  
30-Jul-18 07:30 01-Aug-18 07:00 ALTALINK RB 615L (602s Cold Creek - 104s Watson Creek) reclosers blocked on 615L for safety risk mitigation to assemble and set 492L1 bypass switch near Cold Creek 602s 1.98 Days
Continuous		  
30-Jul-18 08:00 01-Aug-18 16:00 ENMAX Outage ENMAX 65 B240-D130 (ENMAX 65) HV breaker maintenance 2.33 Days
Continuous		  
30-Jul-18 08:00 03-Aug-18 16:00 ENMAX Outage 41.2TR (ENMAX 41) doble, secondary cable tests and maintenance 4.33 Days
Continuous		  
30-Jul-18 08:00 02-Aug-18 16:00 ENMAX Outage 31.2TR (ENMAX 31) tapchanger inspection, oil sample TC 3.33 Days
Continuous		  
30-Jul-18 08:00 02-Aug-18 18:00 ENMAX Outage 38.3TR (ENMAX 38) HV CT replacement 3.42 Days
Continuous		  
30-Jul-18 08:00 01-Aug-18 16:00 ENMAX TE ENMAX 31 138kV Bus line protection upgrade on 9.80L, update bus differential relay settings 2.33 Days
Continuous		  
30-Jul-18 08:00 30-Jul-18 16:00 ENMAX TE ENMAX 31 line protection upgrade on 9.80L - rewire circuits 8 Hours
Continuous		  
30-Jul-18 08:00 30-Jul-18 16:00 ENMAX TE 9.80L (ENMAX 31 - ENMAX 9) 9.80L protection upgrade 8 Hours
Daily		  
30-Jul-18 08:30 01-Aug-18 15:30 ATCO TE 2075s 902T (2075s Newell) 2075S 902T protection 2.29 Days
Continuous		  
30-Jul-18 09:00 19-Aug-18 18:00 SUNCOR Outage 29EDD-34 Edd34Sub,29PL9-14 (29EDD-56 - 29EDD-34) 5 year maintenance on breakers, bus CT and switches 20.38 Days
Continuous		  
30-Jul-18 09:00 02-Aug-18 16:00 ATCO RB 7L10 (730s Rycroft - 754s Ksituan River) install line monitors 3.29 Days
Daily		  
30-Jul-18 10:00 02-Aug-18 16:00 ALTALINK Outage 87s T2 (87s Gaetz),914L (86s Bigstone - 87s Gaetz),87s 852 (87s Gaetz),87s 252 (87s Gaetz),87s 2352 (87s Gaetz),87s 1052 (87s Gaetz),87s 1252 (87s Gaetz),87s Gaetz 138kV East Bus,87s Gaetz 240kV East Bus replace A87/240BE protection and perform test trips to 87s2352, 87s1252, 87s1052, 87s852, & 87s252 3.25 Days
Continuous		  
30-Jul-18 10:00 03-Aug-18 16:00 ATCO Outage 801s 912 (801s Anderson) breaker maintenance 4.25 Days
Continuous		  
30-Jul-18 10:00 31-Jul-18 17:00 ATCO RB 7L172 (739s Edith Lake - 743s Sarah Lake) build bypass between 7L172 and 7L55 31 Hours
Daily		  
30-Jul-18 10:00 31-Jul-18 17:00 ATCO RB 7L55 (809s Louise Creek - 743s Sarah Lake) build bypass between 7L172 and 7L55 31 Hours
Daily		  
30-Jul-18 10:30 03-Aug-18 16:00 ATCO TE 7L172 (739s Edith Lake - 743s Sarah Lake) temporary relay settings need to be installed onto the 21A and 21B relay settings on 7L172 at 739s 4.23 Days
Continuous		  
30-Jul-18 10:30 03-Aug-18 16:00 ATCO TE 7L55 (809s Louise Creek - 743s Sarah Lake) temporary relay settings need to be installed onto the 21A and 21B relay settings on 7L55 at 809s 4.23 Days
Continuous		  
30-Jul-18 11:00 30-Jul-18 17:00 ALTALINK TE 103s Goose Lake RTU/SCADA techs will be onsite to replace faulty alarm card on the following 6 Hours
Daily		  
30-Jul-18 11:30 30-Jul-18 17:00 ALTALINK TE 127S Bruderheim 127s relay maintenance 5.5 Hours
Daily		  
30-Jul-18 11:30 30-Jul-18 17:00 ALTALINK TE 54S Fort Saskatchewan standard relay maintenance 5.5 Hours
Daily		  
30-Jul-18 12:00 02-Aug-18 14:00 ALTALINK Outage 799s T3 (799s Coleman) replace 799s T3 bushings, 138kV LA and 25kV LA, doble and fix oil leaks 3.08 Days
Continuous		  
30-Jul-18 12:00 30-Jul-18 17:00 ALTALINK Outage 17s T2 (17s Benalto) emergency outage, CT wiring changes/testing 5 Hours
Continuous		  
30-Jul-18 12:30 02-Aug-18 17:00 ALTALINK TE 17s Benalto RTU/SCADA update passwords on all required equipment and relays as per CIP compliance 3.19 Days
Continuous		  
30-Jul-18 12:30 31-Jul-18 17:00 TRANSALTA TE 179S Gleichen 179s - standard relay maintenance 28.5 Hours
Continuous		  
30-Jul-18 12:30 02-Aug-18 17:00 ALTALINK IO 17S Benalto update passwords on all required equipment and relays as per CIP compliance requirements 3.19 Days
Continuous		  
30-Jul-18 12:30 02-Aug-18 16:30 ALTALINK Outage 945s T1 (945s Sunshine Village) change out the 25kV bushings on T1, doble and maintain 3.17 Days
Continuous		  
30-Jul-18 13:00 30-Jul-18 16:00 ALTALINK TE MPLS 9356R Evansburg MPLS project 3 Hours
Daily		  
30-Jul-18 13:15 02-Aug-18 16:45 ALTALINK Outage 310p 952 (310p Sundance),310p 852 (310p Sundance) migrate and commission protections, alarms, status, controls, metering and remote access to new RTU and LAN 3.15 Days
Continuous		  
30-Jul-18 14:00 02-Aug-18 15:00 ALTALINK TE 310P Sundance 310P PMU - migrate and commission associated alarms and remote access to new RTU and LAN 3.04 Days
Daily		  
31-Jul-18 07:00 01-Aug-18 17:00 ATCO Outage 743S 700BS1,743S 704,743S 700PT1,743S 605,743S 701 Replace insulators, Switch Maintenance 1.42 Days
Continuous		  
31-Jul-18 07:00 01-Aug-18 17:00 ALTALINK IO 7L172/7L55 (A743s) ATCO Info Atco Maintenance (7L172 & 7L55 Tied together with a bypass @ 743S Sarah Lake; Replace insulators, Switch Maintenance, Temporary Protection settings in place @ 809S & 739S for Bypass) 1.42 Days
Continuous		  
31-Jul-18 08:00 31-Jul-18 09:59 ALTALINK TE 324s Cassils 240kV Bus 1 SCADA system upgrade A protection 119 Mins
Daily		  
31-Jul-18 08:00 31-Jul-18 17:00 ALTALINK TE 324s Cassils RTU/SCADA RTU configuration updates 9 Hours
Daily		  
31-Jul-18 08:00 01-Aug-18 14:00 ALTALINK Outage 767L (310p Sundance - 767L50) disconnect 471s from 767L at 310p 30 Hours
Continuous		  
31-Jul-18 08:00 02-Aug-18 17:00 ALTALINK TE 310p RTU Update RTU configuration for migration and commissioning of stub bus associated alarms, controls, status and metering from old D20 RTU to new SMP16 RTU. 4 or 5 short (15 minute) outages per day 2.38 Days
Daily		  
31-Jul-18 08:00 31-Jul-18 17:00 ATCO Outage 6L12 (775s Sullivan Lake - 6L25 tap),6L12 (6L25 tap - 774s Monitor) install new gang switches 9 Hours
Continuous		  
31-Jul-18 08:00 31-Jul-18 17:00 ATCO TE 2075s SVC2 (2075s Newell) network equipment upgrade 9 Hours
Continuous		  
31-Jul-18 08:00 01-Aug-18 16:00 ATCO TE 743s Sarah Lake RTU/SCADA update station controller firmware 1.33 Days
Continuous		  
31-Jul-18 09:00 31-Jul-18 12:00 ALTALINK TE 234s Fort Assiniboine RTU/SCADA upgrading MPLS nodes A and B at 9069s Barrhead 3 Hours
Daily		  
31-Jul-18 09:00 31-Jul-18 12:00 ALTALINK Outage 723L (69s North Barrhead - 723L133),69s723E Open (Affecting 723L) Netcom and Field Ops will be upgrading MPLS nodes A and B at 69S Barrhead. During this outage the RTU to 69S will be lost 15 minutes. 723L TPR A and B will be out of servcie for 15 minutes 913L TPR have redundant channels and will be down one at a time, while 1201L TPR (disabled) will be down for 15 minutes. 3 Hours
Daily		  
31-Jul-18 09:00 31-Jul-18 12:00 ALTALINK TE 69s North Barrhead RTU/SCADA upgrading MPLS nodes A and B at 69S Barrhead 3 Hours
Daily		  
31-Jul-18 09:00 31-Jul-18 12:00 ATCO IO 9L913 Altalink will be upgrading their MPLS nodes A and B at 69s.
AML will be performing TPR work on 913L A and B prot.
Their techs will be removing the channels on 913L one at a time.
No outages expected.

ATCO's 9L913 Reclosing Block has been cancelled to accommodate this work.		 3 Hours
Continuous		  
31-Jul-18 09:30 02-Aug-18 17:00 ALTALINK TE 358S Amoco Brazeau relay maintenance 2.31 Days
Continuous		  
31-Jul-18 10:00 31-Jul-18 11:59 ALTALINK TE 324s Cassils 240kV Bus 1 SCADA system upgrade B protection 119 Mins
Daily		  
31-Jul-18 11:00 31-Jul-18 15:00 ATCO TE 851s Morse River RTU/SCADA Aprisa radio at 851s software upgrade 4 Hours
Continuous		  
31-Jul-18 12:00 31-Jul-18 13:59 ALTALINK TE 324s Cassils 240kV Bus 2 SCADA system upgrade A protection 119 Mins
Daily		  
31-Jul-18 12:30 31-Jul-18 16:30 ALTALINK Outage 179s T1 (179s Gleichen) relay maintenance 4 Hours
Daily		  
31-Jul-18 14:00 31-Jul-18 16:00 ALTALINK TE 324s Cassils 240kV Bus 2 SCADA system upgrade B protection 2 Hours
Daily		  
01-Aug-18 07:00 02-Aug-18 14:00 ALTALINK TE 316s West Crossfield RTU/SCADA installation of new radio and updating RTU configuration 31 Hours
Daily		  
01-Aug-18 07:00 02-Aug-18 17:00 ALTALINK Outage 180L (15s Fort Macleod - 928s East Stavely) install new piles underneath 180L for new 15s NGR and 25KV Cable Structure 1.42 Days
Continuous		  
01-Aug-18 07:30 02-Aug-18 18:00 ALTALINK Outage 104S Watson Creek,615L (602s Cold Creek - 104s Watson Creek) new structure 143 installation 1.44 Days
Continuous		  
01-Aug-18 08:00 01-Aug-18 18:00 Syncrude TE Syncrude loss of visibility ICCP server upgrade 10 Hours
Continuous		  
01-Aug-18 08:00 02-Aug-18 17:00 ALTALINK RB 801L (62s Brazeau - 294s Brazeau Outlet Works),844L (358s Amoco Brazeau - 477s Amoco West Pembina),801L (294s Brazeau Outlet Works - 358s Amoco Brazeau) set up and connect 472s at 358s 1.38 Days
Daily		  
01-Aug-18 08:00 01-Aug-18 16:00 ALTALINK TE 799s Coleman RTU/SCADA IRTU update to add supervisory control of s26 and s30 8 Hours
Daily		  
01-Aug-18 17:01 02-Aug-18 19:00 ATCO RB 7L172 (739s Edith Lake - 743s Sarah Lake),7L55 (809s Louise Creek - 743s Sarah Lake) remove bypass between 7L172 and 7L55 25.98 Hours
Daily		  
02-Aug-18 07:00 03-Aug-18 15:30 ATCO Outage 2075s ACF22 (2075s Newell) filter bank maintenance & inspection 1.35 Days
Continuous		  
02-Aug-18 07:00 03-Aug-18 15:30 ALTALINK IO A2075s ACF12 ATCO Info ATCO filter bank maintenance & inpsection 1.35 Days
Continuous		  
02-Aug-18 07:30 03-Aug-18 17:30 ALTALINK Outage 708L (233s Beamer - 708L88N),708L89 (708L) - Advice 708L Bypass Cutover/ Create Open Points 'C' & 'D' 1.42 Days
Daily		  
02-Aug-18 07:30 02-Aug-18 16:30 ALTALINK IO 2.83L Enmax - Info SF6 Gas sample 13B138-2.83 9 Hours
Daily		  
02-Aug-18 07:30 10-Aug-18 17:30 ALTALINK RB 708L (71s Lamoureux - 233s Beamer) connecting/removing temporary bypass; removing old switches 708L88N & 708L88X 8.42 Days
Daily		  
02-Aug-18 08:00 02-Aug-18 16:00 ENMAX Outage 2.83L (ENMAX 13 - 2.83L tap),ENMAX 13 B138-2.83 (ENMAX 13),2.83L. 13s Portion. 13B138-2.83 SF6 Gas sample 13B138-2.83 8 Hours
Continuous		  
02-Aug-18 08:00 02-Aug-18 17:00 ATCO TE 863S Paintearth,755S Cordel,9L948 (650s Hansman Lake - 863s Paintearth),9L953 (574s Nilrem - 755s Cordel) cutover protection to new MPLS one channel at a time 9 Hours
Continuous		  
02-Aug-18 13:00 02-Aug-18 17:00 ALTALINK TE 107s Westfield RTU/SCADA MDS radio maintenance, supervisory outage at 107s during radio maintenance (1 hr) 4 Hours
Daily		  
02-Aug-18 17:00 29-Aug-18 10:00 ALTALINK Outage 358s T1 (358s Amoco Brazeau) transformer maintenance, insulator replacement, arrestor replacement, adding and test controls during re-energization switching 26.71 Days
Continuous		  
03-Aug-18 17:30 09-Aug-18 08:30 ALTALINK Outage 708L (233s Beamer - 708L88N) salvaging old switches 708L88X & 708L88N 5.63 Days
Continuous		  

Prepared On:   2018-07-25   3:08:27 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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