![]() 05-Oct-18 08:00 |
![]() 30-Jun-26 16:00 |
![]() EPCOR |
![]() IO |
![]() C2 (Rossdale) |
![]() forced outage |
![]() 2,825.33 Days
Continuous |
![]() |
| 24-Oct-18 01:13 |
30-Jun-26 16:00 |
EPCOR |
IO |
C1 (Rossdale) |
forced outage |
2,806.62 Days
Continuous |
|
| 27-Nov-23 08:00 |
20-Jun-25 16:00 |
ENMAX |
Outage |
32.2TR (SS-32) |
32 sub 32.2TR 8 kV bus switchgear demolition |
571.29 Days
Continuous |
|
| 26-Jul-24 10:00 |
31-Jul-26 16:00 |
ATCO |
Outage |
826s 504R (826s Marguerite Lake) |
emergency removal to replace failed 502R @834S |
735.25 Days
Continuous |
|
| 23-Aug-24 13:45 |
30-Apr-25 14:29 |
ALTALINK |
Outage |
157s C1 (157s Lac La Biche) |
forced outage |
250.03 Days
Continuous |
|
| 23-Sep-24 10:00 |
29-May-25 12:00 |
ATCO |
TE |
741s RTU/SCADA (741s Fox Creek) |
RTU configuration on new and old RTU's onsite |
248.08 Days
Continuous |
|
| 05-Oct-24 00:00 |
30-Jun-25 17:00 |
BHE Canada |
Outage |
120s C1 (120s Picture Butte) |
forced outage |
268.71 Days
Continuous |
|
| 21-Oct-24 12:00 |
29-May-25 17:30 |
ATCO |
TE |
741s Protection & Control (741s Fox Creek) |
block 144kv and 25 kv bus protection and breaker fail protection for the duration of 741s project |
220.23 Days
Continuous |
|
| 03-Jan-25 07:00 |
27-Jun-25 17:00 |
EPCOR |
TE |
805s Protection & Control (805s Jasper), 805s RTU/SCADA (805s Jasper) |
protection blocking for P&C maintenance at Jasper |
175.38 Days
Continuous |
|
| 06-Jan-25 09:30 |
21-Jun-25 18:00 |
ALTALINK |
Outage |
150L (42s Sarcee - 150AL tap), 42s 150W (42s Sarcee) |
arctic arrow will require a GOI on 150L to rebuild the section of line from structure 47-198. |
166.31 Days
Continuous |
|
| 13-Jan-25 07:00 |
02-May-25 17:00 |
EPCOR |
TE |
330p Protection & Control (330p Genesee), 330p RTU/SCADA (330p Genesee) |
Genessee - 138/500 kV protection blocking for relay maintenance and configuration changes |
109.38 Days
Continuous |
|
| 24-Jan-25 00:00 |
31-Dec-25 16:00 |
ALTALINK |
Outage |
74s C3 (74s Janet) |
forced outage |
341.67 Days
Continuous |
|
| 03-Feb-25 07:00 |
11-Apr-25 17:30 |
ATCO |
TE |
769s Protection & Control (769s Stettler), 769s RTU/SCADA (769s Stettler) |
new RTU installation at 769S |
67.4 Days
Continuous |
|
| 10-Feb-25 00:00 |
30-Jun-25 23:59 |
ATCO, ALTALINK |
IO |
840s McNeill Station, 830L (562s Cypress - 840s McNeill Station), 840s 701T (840s McNeill Station), 840s 901T (840s McNeill Station) |
available for emergency use only |
140.96 Days
Continuous |
AB-SK |
| 11-Feb-25 10:00 |
25-Apr-25 16:00 |
ATCO |
TE |
940s Protection & Control (940s Beartrap) |
relay testing |
73.21 Days
Continuous |
|
| 24-Feb-25 07:00 |
02-May-25 17:00 |
EPCOR |
TE |
72RV6 (EP 511s Victoria - Rossdale) |
RV6 - protection blocking, MPLS cutovers |
67.38 Days
Continuous |
|
| 03-Mar-25 07:00 |
11-Apr-25 17:00 |
ALTALINK, EPCOR |
RB |
1044L (EP 805s Jasper - 816s Petrolia) |
detailed aerial patrol, shield wire bonding repair and contractor working in vicinity |
39.38 Days
Continuous |
|
| 03-Mar-25 07:00 |
11-Apr-25 17:00 |
ALTALINK, EPCOR |
RB |
1045L (EP 805s Jasper - 1045AL tap) |
detailed aerial patrol, shield wire bonding repair and contractor working in vicinity |
39.38 Days
Continuous |
|
| 10-Mar-25 07:00 |
12-Apr-25 17:00 |
EPCOR |
Outage |
72JM18 (EP 805s Jasper - Meadowlark), M721 (Meadowlark), EP 805s J722 (EP 805s Jasper), EP 805s JDS29 (EP 805s Jasper) |
JM18: splice rebuild |
33.42 Days
Continuous |
|
| 10-Mar-25 07:00 |
11-Apr-25 17:00 |
EPCOR |
TE |
Protection & Control (EPCOR Hardisty) |
Hardisty - 72 kV protection blocking for repairs/troubleshooting |
32.42 Days
Continuous |
|
| 11-Mar-25 00:00 |
31-Dec-25 16:00 |
ALTALINK |
Outage |
377s C1 (377s AML Hardisty) |
forced outage |
295.71 Days
Continuous |
|
| 16-Mar-25 08:00 |
23-Apr-25 17:00 |
ALTALINK |
TE |
746s Protection & Control (746s Sherwood Park) |
replace B87/138B protection |
38.38 Days
Continuous |
|
| 18-Mar-25 14:00 |
17-Mar-26 17:30 |
ALTALINK |
Outage |
217s C1 (217s North Red Deer) |
cap. bank unavailable and cannot be energized due to Koncar CTs being present |
364.15 Days
Daily |
|
| 20-Mar-25 08:00 |
20-Mar-26 17:00 |
ALTALINK |
Outage |
263s C1 (263s Strachan) |
forced outage |
365.38 Days
Continuous |
|
| 20-Mar-25 08:00 |
20-Mar-26 17:00 |
ALTALINK |
Outage |
256s C1 (256s Harmattan) |
forced outage |
365.38 Days
Continuous |
|
| 28-Mar-25 09:00 |
30-Apr-25 14:00 |
ENMAX, ALTALINK |
IO |
240kV West Bus (SS-25), 1109L (SS-25 - SS-65), 25B240-D136 (SS-25), 25B240-D133 (SS-25), 25B240-D141 (SS-25), 25B240-D142 (SS-25), 25B240-D139 (SS-25), 25MD240-1109 (SS-25) |
scaffold and begin to terminate new Cables at SS-25 |
33.21 Days
Continuous |
|
| 28-Mar-25 09:00 |
30-Apr-25 14:00 |
ENMAX, ALTALINK |
Outage |
240kV West Bus (SS-25), 1109L (SS-25 - SS-65), 25B240-D136 (SS-25), 25B240-D133 (SS-25), 25B240-D141 (SS-25), 25B240-D142 (SS-25), 25B240-D139 (SS-25), 25MD240-1109 (SS-25) |
scaffold and begin to terminate new Cables at SS-25 |
33.21 Days
Continuous |
|
| 28-Mar-25 17:31 |
02-Jun-25 16:00 |
ATCO |
TE |
APS# 203 7L128-963S Overload Mitigation |
DLR integration checks |
65.94 Days
Continuous |
|
| 30-Mar-25 13:00 |
17-Apr-25 17:00 |
EPCOR |
Outage |
72RG1 (Garneau - Rossdale), T3 (Garneau), G723 (Garneau), G724 (Garneau), G725 (Garneau), GT3 (Garneau), RG7210 (Rossdale), GDS18 (Garneau), GAB3 (Garneau) |
Garneau - TX3/RG1 zone - 72 kV switchgear SF6 overhaul with GE |
18.17 Days
Continuous |
|
| 31-Mar-25 07:00 |
07-Aug-25 17:00 |
EPCOR |
Outage |
987s T1 (987s Clover Bar), 987s CCP7213 (987s Clover Bar), 987s CCP7214 (987s Clover Bar) |
Cloverbar - TX1 LCR |
129.42 Days
Continuous |
|
| 31-Mar-25 07:00 |
29-Aug-25 17:00 |
EPCOR |
TE |
987s Protection & Control (987s Clover Bar) |
Cloverbar: protection blocking, 240 kV bus 3 differential for TX1 LCR duration |
151.42 Days
Continuous |
|
| 31-Mar-25 07:00 |
04-Jul-25 17:00 |
EPCOR |
TE |
Protection & Control (Woodcroft) |
Woodcroft: protection blocking for merging unit and protection upgrade. |
95.42 Days
Continuous |
|
| 31-Mar-25 12:01 |
28-Apr-25 17:00 |
ATCO |
Outage |
741s 702T (741s Fox Creek), 741s 704 (741s ATC Fox Creek) |
substation rebuild project |
28.21 Days
Continuous |
|
| 01-Apr-25 08:00 |
31-Mar-27 17:00 |
ALTALINK |
Outage |
310p T6b (310p Sundance) |
customer maintenance |
729.38 Days
Continuous |
|
| 01-Apr-25 09:30 |
11-Apr-25 16:00 |
ATCO |
Outage |
869s 702T (869s Seal Lake), 869s 702 (869s Seal Lake) |
to facilitate connection,
upgrade 702T tapchanger controller, 702 protection wiring, relay programming and testing. |
10.27 Days
Continuous |
|
| 01-Apr-25 10:00 |
11-Apr-25 16:00 |
ATCO |
TE |
869s Protection & Control (869s Seal Lake), 869s RTU/SCADA (869s Seal Lake) |
updates to relays SEL 2414 on 702T and 702T tap changer |
10.25 Days
Continuous |
|
| 04-Apr-25 08:00 |
12-Apr-25 16:00 |
ENMAX |
Outage |
24.1TR (SS-24) |
24.1TR HV bushing and CT replacement, check reversing switch |
8.33 Days
Continuous |
|
| 06-Apr-25 06:30 |
25-Apr-25 07:30 |
EPCOR |
Outage |
113s T1 (113s Inland Cement) |
TX1 maintenance testing |
19.04 Days
Continuous |
|
| 06-Apr-25 07:30 |
10-Apr-25 16:00 |
CMH |
Outage |
MHS-1 69kV South Bus (MHS-1 Power P Switchyard), MH-8L (MHS-1 CMH Power Plant - MHS-6 CMH Riverview), MHS-1 MH69-10 (MHS-1 CMH Power Plant), MHS-1 MH69-21 (MHS-1 CMH Power Plant), MHS-1 MH69-31 (MHS-1 CMH Power Plant), MHS-1 MH69-42 (MHS-1 CMH Power Plant), MHS-6 MH69-614 (MHS-6 CMH Riverview) |
replacing MHS-1 transformer T12 and south bus differential protection relay |
4.35 Days
Continuous |
|
| 07-Apr-25 07:00 |
14-Apr-25 17:00 |
BCH, ALTALINK |
Outage |
1L275 (799s Coleman - BCH Natal), 799s 786W (799s Coleman) |
NTL station upgrade project - reconfigure 1L275, remove span, BC maintenance does not affect the Alberta ATC |
7.42 Days
Continuous |
AB-BC |
| 07-Apr-25 07:00 |
25-Apr-25 17:00 |
EPCOR |
Outage |
72JW19 (EP 805s Jasper - Woodcroft), T1 (Woodcroft), W721 (Woodcroft), W722 (Woodcroft), EP 805s J724 (EP 805s Jasper), EP 805s JDS28 (EP 805s Jasper), WDS3 (Woodcroft), WAB1 (Woodcroft) |
TX1 zone, protection upgrade cutovers |
18.42 Days
Continuous |
|
| 07-Apr-25 07:00 |
10-Apr-25 17:30 |
ALTALINK |
TE |
337s RTU/SCADA (337s Canada Liquidair) |
supervisory circuit upgrade |
3.44 Days
Daily |
|
| 07-Apr-25 07:00 |
11-Apr-25 17:00 |
EPCOR |
TE |
Protection & Control (Strathcona) |
protection blocking for TX output module replacement |
4.42 Days
Continuous |
|
| 07-Apr-25 07:00 |
14-Apr-25 12:30 |
ALTALINK |
IO |
786L (799s Coleman - BCH Natal) |
NTL station upgrade project. reconfigure 1L275, remove span |
7.23 Days
Continuous |
|
| 07-Apr-25 07:30 |
11-Apr-25 17:30 |
ALTALINK |
RB |
725L (15s Fort MacLeod - 725BL tap), 725L (674s Bowron - 725BL tap), 725BL (240s McBride Lake - 725L tap) |
fire mitigation program to replace arms and insulation to synthetic posts on structures #150 - 291 |
4.42 Days
Daily |
|
| 07-Apr-25 08:00 |
14-Apr-25 09:19 |
ATCO |
TE |
ATCO RTU/SCADA |
6501s substation RTU- new fiber cable will be pulled and terminated from 520SG2 to Deerfoot E-House (control building) |
7.05 Days
Continuous |
|
| 07-Apr-25 08:00 |
14-Apr-25 17:00 |
ATCO |
IO |
ATCO Distribution Breaker |
6501s substation - the station service transformer feeder cable needs to be replaced |
7.38 Days
Continuous |
|
| 07-Apr-25 08:00 |
22-Apr-25 16:00 |
ENMAX |
Outage |
7.84L (SS-7 - SS-36), 36B138-7.84 (SS-36), 7B138-7.84 (SS-7) |
36B138-7.84 H145A2752 breaker major overhaul |
15.33 Days
Continuous |
|
| 07-Apr-25 08:00 |
10-Apr-25 13:30 |
ATCO |
RB |
7L31 (732s Mitsue - 844s AEC MILL) |
climbing inspection |
3.23 Days
Continuous |
|
| 07-Apr-25 08:00 |
10-Apr-25 16:00 |
ATCO |
RB |
7L84 (722s Crystal Lake - 749s Flyingshot Lake) |
climbing inspection |
3.33 Days
Continuous |
|
| 07-Apr-25 08:00 |
11-Apr-25 17:00 |
ALTALINK |
TE |
409s Protection & Control (409s Shell Scotford) |
salvage 409s807N requiring setting changes |
4.38 Days
Daily |
|
| 07-Apr-25 08:00 |
11-Apr-25 17:00 |
ALTALINK |
TE |
409s RTU/SCADA (409s Shell Scotford) |
configuration update for salvage of 409s807N |
4.38 Days
Daily |
|
| 07-Apr-25 08:00 |
11-Apr-25 17:00 |
ALTALINK |
TE |
535s Protection & Control (535s Joffre) |
perform PRC relay maintenance on 138 kV bus and line protections |
4.38 Days
Daily |
|
| 07-Apr-25 08:00 |
11-Apr-25 17:00 |
ALTALINK |
TE |
535s Protection & Control (535s Joffre) |
perform PRC relay maintenance on all transformers |
4.38 Days
Daily |
|
| 07-Apr-25 08:00 |
11-Apr-25 17:00 |
ALTALINK |
TE |
535s Protection & Control (535s Joffre) |
PRC relay maintenance |
4.38 Days
Daily |
|
| 07-Apr-25 08:00 |
11-Apr-25 15:00 |
CMH |
Outage |
MHS-3 MH69-T32 (MHS-3 Southridge), MHS-3 MH69-306 (MHS-3 Southridge) |
replacement of bushings on transformer MH69-T32 and perform breaker maintenance on MH69-306 |
4.29 Days
Continuous |
|
| 07-Apr-25 08:00 |
11-Apr-25 17:00 |
ALTALINK |
TE |
535s Protection & Control (535s Joffre) |
PRC relay maintenance |
4.38 Days
Daily |
|
| 07-Apr-25 08:00 |
11-Apr-25 16:00 |
ATCO |
IO |
ATCO Distribution Breaker |
TX bushing and CT replacement |
4.33 Days
Continuous |
|
| 07-Apr-25 09:00 |
14-Apr-25 17:30 |
ATCO |
TE |
800s Protection & Control (800s Friedenstal), 800s RTU/SCADA (800s Friedenstal) |
SCADA upgrade at 800s |
7.35 Days
Continuous |
|
| 07-Apr-25 10:00 |
11-Apr-25 16:00 |
ATCO |
Outage |
700s 706C (700s Bonnyville) |
PRC-005 relay testing, RTXP test switch replacement, trip coil testing |
4.25 Days
Continuous |
|
| 07-Apr-25 11:00 |
12-Apr-25 17:00 |
ALTALINK |
TE |
535s Protection & Control (535s Joffre) |
perform relay maintenance |
5.25 Days
Daily |
|
| 07-Apr-25 11:00 |
11-Apr-25 17:00 |
ALTALINK |
TE |
127s RTU/SCADA (127s Bruderheim) |
SCADA upgrade |
4.25 Days
Daily |
|
| 07-Apr-25 11:00 |
10-Apr-25 12:00 |
ENMAX |
Outage |
20.1TR (SS-20) |
20.1TR CT replacement |
3.04 Days
Continuous |
|
| 07-Apr-25 13:00 |
10-Apr-25 16:00 |
ATCO |
RB |
7L30 (732s Mitsue - 844s AEC Mill) |
climbing inspection |
3.13 Days
Continuous |
|
| 07-Apr-25 14:00 |
10-Apr-25 17:30 |
ALTALINK |
Outage |
157s T1 (157s Lac La Biche) |
VR1 25 kV bushing replacement, CB doble, maintenance, T1 IDD fail investigate/repair |
3.15 Days
Continuous |
|
| 08-Apr-25 07:30 |
12-Apr-25 10:30 |
ALTALINK |
Outage |
72s T1 (72s Leismer) |
oil reclaim and leak repairs |
4.13 Days
Continuous |
|
| 08-Apr-25 08:00 |
10-Apr-25 17:00 |
ALTALINK |
TE |
510s Protection & Control (510s Sunnybrook) |
firmware upgrade/end to end testing with EPCOR on B87L/21/L4 & B87L/21/L2 protections |
2.38 Days
Daily |
|
| 08-Apr-25 09:00 |
10-Apr-25 16:00 |
ATCO |
TE |
730s Protection & Control (730s Rycroft) |
tie in new transducer for tap changer position |
2.29 Days
Continuous |
|
| 08-Apr-25 09:30 |
10-Apr-25 17:30 |
ATCO |
TE |
730s RTU/SCADA (730s Rycroft) |
conduct testing of historian points |
2.33 Days
Continuous |
|
| 09-Apr-25 07:00 |
10-Apr-25 17:00 |
EPCOR |
Outage |
665s T1 (665s Dome) |
tap changer maintenance |
1.42 Days
Continuous |
|
| 09-Apr-25 08:00 |
10-Apr-25 16:00 |
ENMAX, ALTALINK |
Outage |
932L (74s Janet - SS-162), 162B240-RB135 (SS-162), 162B240-RB136 (SS-162), 162MD240-932L (SS-162) |
HV switch maintenance |
1.33 Days
Continuous |
|
| 09-Apr-25 08:00 |
17-Apr-25 18:00 |
SUNCOR |
Outage |
29PL7-10 (29EDD-18 Firebag - 29EDD-85), 29EDD-85 752-10010 (29EDD-85), 29EDD-85 752-10030 (29EDD-85), 29EDD-18 29-752-101 (29EDD-18 Firebag), 29EDD-18 29-752-102 (29EDD-18 Firebag), 29EDD-18 29PS-0043 (29EDD-18 Firebag), 29EDD-85 29PS-319 (29EDD-85) |
relay testing |
8.42 Days
Continuous |
|
| 09-Apr-25 08:00 |
10-Apr-25 16:00 |
ENMAX, ALTALINK |
IO |
932L (74s Janet - SS-162) |
HV switch maintenance |
1.33 Days
Continuous |
|
| 09-Apr-25 08:00 |
11-Apr-25 18:00 |
ENMAX |
Outage |
6.82L (SS-6 - SS-41), 6B138-6.82 (SS-6), 41B138-6.82 (SS-41) |
grounding improvements |
2.42 Days
Continuous |
|
| 09-Apr-25 08:00 |
10-Apr-25 16:00 |
ALTALINK |
TE |
336s Protection & Control (336s Fincastle) |
RAS 180 cutover communication to B MPLS node |
1.33 Days
Daily |
|
| 09-Apr-25 08:00 |
10-Apr-25 16:00 |
ALTALINK |
TE |
244s Protection & Control (244s Bowmanton) |
RAS 180 cutover communication to B MPLS node |
1.33 Days
Daily |
|
| 09-Apr-25 08:00 |
10-Apr-25 16:00 |
ALTALINK, BHE |
TE |
719s Protection & Control (719s Rattlesnake Ridge) |
RAS 180 cutover communication to B MPLS node |
1.33 Days
Daily |
|
| 09-Apr-25 08:00 |
10-Apr-25 16:00 |
ALTALINK |
TE |
368s Protection & Control (368s Burdett) |
RAS 180 cutover communication to B MPLS node |
1.33 Days
Daily |
|
| 09-Apr-25 08:00 |
10-Apr-25 16:00 |
ENMAX |
Outage |
28.1TR (SS-28) |
repair 28BB8-28.1TR cell deficiencies |
1.33 Days
Continuous |
|
| 10-Apr-25 07:30 |
10-Apr-25 18:00 |
ALTALINK |
Outage |
186s T2 (186s Dry Creek) |
replace a failed tap changer transducer |
10.5 Hours
Daily |
|
| 10-Apr-25 08:00 |
10-Apr-25 17:00 |
SUNCOR |
TE |
635EDD-1000 Protection & Control (635EDD-1000), 635EDD-1001 635-752-652 (635EDD-1001), 635EDD-1001 635-752-653 (635EDD-1001) |
change C60 relays logic to enable closing synch breakers through HMI |
9 Hours
Continuous |
|
| 10-Apr-25 08:30 |
10-Apr-25 12:00 |
ALTALINK |
TE |
535s Protection & Control (535s Joffre) |
perform PRC maintenance |
3.5 Hours
Daily |
|
| 10-Apr-25 08:30 |
10-Apr-25 12:00 |
SUNCOR |
Outage |
635PL7-1004 (635EDD-1001 - 635EDD-1002), 635EDD-1001 635PS-1113 (635EDD-1001) |
change C60 relays logic to enable closing synch breakers through HMI |
3.5 Hours
Continuous |
|
| 10-Apr-25 09:00 |
10-Apr-25 12:00 |
ATCO |
Outage |
6L73 (729s Otauwau - 745s Slave Lake), 729s 702 (729s Otauwau), 729s 702T (729s Otauwau), 729s 601 (729s Otauwau) |
PRC trip coil testing on 729s 702 |
3 Hours
Continuous |
|
| 10-Apr-25 09:00 |
10-Apr-25 18:00 |
ALTALINK |
Outage |
197s 138kV Bus (197s Bardo), 174L (197s Bardo - 289s Saunders Lake), 174L (197s Bardo - 395s North Holden), 730L (197s Bardo - 732L tap), 197s 174W (197s Bardo), 197s 174E (197s Bardo), 395s 174W (395s North Holden), 197s 6 (197s Bardo), 289s 174 (289s Saunders Lake) |
clean hotspot on 197s6, oil top-up and tightening head-bolts on 197s7 and 197s8 PTs |
9 Hours
Daily |
|
| 10-Apr-25 09:00 |
10-Apr-25 16:00 |
ATCO |
TE |
ATC 803s Protection & Control (ATC 803s Bullpound) |
relay work - 50BF-85/701TCS |
7 Hours
Continuous |
|
| 10-Apr-25 09:00 |
10-Apr-25 16:00 |
ATCO |
TE |
813s RTU/SCADA (813s Little Smoky) |
verify new alarms from battery chargers, may need to update the RTU configuration |
7 Hours
Continuous |
|
| 10-Apr-25 10:00 |
10-Apr-25 13:00 |
ATCO |
Outage |
934s 905 (934s Blackfly) |
trip coil testing |
3 Hours
Continuous |
|
| 10-Apr-25 10:00 |
10-Apr-25 17:00 |
ATCO, ALTALINK, ENEL |
TE |
ATCO Telecom Equipment, APS# 134 Central East Transfer Out Overload Mitigation Scheme, 918s RTU/SCADA (918s Bauer), 708s RTU/SCADA (708s Grizzly Bear) |
radio maintenance
|
7 Hours
Continuous |
|
| 10-Apr-25 10:00 |
10-Apr-25 17:00 |
ATCO |
RB |
7L65 (709s Vegreville - 7LA65 tap), 7L65 (710s Vermilion - 7LA65 tap) |
for Bauer radio maintenance |
7 Hours
Continuous |
|
| 10-Apr-25 12:30 |
12-Apr-25 18:00 |
ENMAX |
Outage |
20.3TR (SS-20) |
20.3TR CT replacement |
2.23 Days
Continuous |
|
| 10-Apr-25 13:00 |
10-Apr-25 17:00 |
ALTALINK |
TE |
535s Protection & Control (535s Joffre) |
perform PRC maintenance |
4 Hours
Daily |
|
| 10-Apr-25 13:01 |
10-Apr-25 17:00 |
ATCO |
Outage |
934s 906 (934s Blackfly) |
trip coil testing |
3.98 Hours
Continuous |
|
| 11-Apr-25 07:00 |
14-Apr-25 18:00 |
ALTALINK |
Outage |
135s Conrad, 607L (336s Fincastle - 607AL tap), 607L (135s Conrad - 607AL tap), 135s T1 (135s Conrad), 135s T2 (135s Conrad), 336s 607 (336s Fincastle), 135s 152 (135s Conrad), 135s 252 (135s Conrad), 135s 352 (135s Conrad), 135s 289 (135s Conrad), 135s 389 (135s Conrad), 135s 689 (135s Conrad) |
breaker outage to add CT circuit to new PMU |
3.46 Days
Daily |
|
| 11-Apr-25 07:00 |
14-Apr-25 18:00 |
ENMAXGPI, ALTALINK |
Outage |
134s Taber Wind Farm, 607AL (134s Taber Wind Farm - 607L tap), 134s 134.1TR (134s Taber Wind Farm), 134s 134.2TR (134s Taber Wind Farm), 134s B138-607AL (134s Taber Wind Farm), 134s B25-134.1TR (134s Taber Wind Farm), 134s B25-134.2TR (134s Taber Wind Farm), 134s MD138-607AL (134s Taber Wind Farm), 134s MD138-134.1TR (134s Taber Wind Farm), 134s MD138-134.2TR (134s Taber Wind Farm), 134s 134.2CAP (134s Taber Wind Farm), 134s 134.1CAP (134s Taber Wind Farm) |
re-conductoring from structures 2 -7 and replacing structures 5 & 6, for Hwy 3 widening |
3.46 Days
Continuous |
|
| 11-Apr-25 07:00 |
11-Apr-25 17:00 |
EPCOR |
Outage |
T1 (Strathcona) |
TX1, ST1 breaker repair |
10 Hours
Continuous |
|
| 11-Apr-25 08:00 |
11-Apr-25 16:00 |
CMH |
Outage |
MH-15L (MHS-7 Brier Park - MHS-9 South Saskatchewan), MH-6L (MHS-1 CMH Power Plant - MHS-9 South Saskatchewan), MHS-9 MH138-T11 (MHS9 Power Plant), MHS-7 MH138-722 (MHS-7 Brier Park) |
replacing the old underground control cable with above ground cable tray, replace the CT cable of transformer MH138-T11 differential from the breaker MH69-10 & replace of faulty MH138-T11 pProtection relay |
8 Hours
Continuous |
|
| 11-Apr-25 08:00 |
11-Apr-25 18:00 |
ENMAX |
Outage |
2.81L (SS-2 - SS-9), 9.83L (SS-9 - SS-43), 9.2TR (SS-9), 9.3TR (SS-9), 9BA8-9.3TR (SS-9), 9BB8-9.3TR (SS-9), 9B138-9.83 (SS-9), 9B138-2.81 (SS-9), 9MD138-9.3TR (SS-9), SW83 (SS-9), SW84 (SS-9), 2MD138-2.81 (SS-2) |
spring substation washing, check reversing switch 9.3TR, 9.2TR |
10 Hours
Continuous |
|
| 11-Apr-25 09:00 |
11-Apr-25 17:00 |
BCH |
Outage |
1L275 (799s Coleman - BCH Natal) |
NTL station upgrade project - tie in 138 kV line taps to two new line terminals at NTL BC maintenance does not affect the Alberta ATC |
8 Hours
Continuous |
AB-BC |
| 12-Apr-25 08:00 |
13-Apr-25 17:00 |
ALTALINK |
TE |
123s RTU/SCADA (123s Banff) |
the fast trip setting change implementation |
1.38 Days
Daily |
|
| 12-Apr-25 09:00 |
16-Apr-25 17:00 |
ALTALINK |
Outage |
170s T2 (170s Pike) |
urgent 170s bushing issue repair possibly replace bushing |
4.33 Days
Continuous |
|
| 13-Apr-25 08:00 |
23-Apr-25 16:00 |
ATCO, ALBIAN |
Outage |
920s 901T (920s Jackpine) |
repair 72kV cables |
10.33 Days
Continuous |
|
| 13-Apr-25 08:00 |
23-Apr-25 16:00 |
ATCO, ALBIAN |
Outage |
9LJH1 (919s Hartley - 920s Jackpine), 920s 901T (920s Jackpine), 919s 905 (919s Hartley), 920s 9LJH-1D2 (920s Jackpine) |
breaker maintenance and transformer major testing |
10.33 Days
Continuous |
|
| 14-Apr-25 07:00 |
14-Apr-25 17:00 |
EPCOR |
Outage |
R723 (Rossdale) |
Rossdale: R723 Breaker Maintenance (SF6) |
10 Hours
Continuous |
|
| 14-Apr-25 07:00 |
16-Apr-25 18:00 |
ALTALINK |
Outage |
727A1L (303s Saddlebrook - 727AL tap), 727AL (142s Magcan - 727L tap), 727L (65s High River - 727AL tap), 727L (678s Okotoks - 727AL tap), 142s 138kV Bus (142s Magcan), 142s C1 (142s Magcan) |
Fire mitigation program to change arms and insulation along with dead end insulation on Structures 7, 11 & 20. |
2.46 Days
Continuous |
|
| 14-Apr-25 07:00 |
28-Apr-25 17:00 |
EPCOR |
TE |
805s Protection & Control (805s Jasper), Protection & Control (Poundmaker) |
1098L - protection blocking for fiber move |
14.42 Days
Continuous |
|
| 14-Apr-25 07:00 |
14-Apr-25 17:00 |
EPCOR |
Outage |
987s CH724 (987s Clover Bar), 72CH9 (987s Clover Bar - EP Hardisty) |
Hardisty: H724 Relay Maintenance |
10 Hours
Continuous |
|
| 14-Apr-25 07:00 |
23-May-25 17:00 |
EPCOR |
Outage |
52s E2402 (52s East Industrial), 52s T2 (52s East Industrial) |
east industrial: emergency investigation and possible replacement of secondary cable and followed by TX2 protection upgrade cutovers |
39.42 Days
Continuous |
|
| 14-Apr-25 07:00 |
14-Apr-25 17:00 |
ALTALINK |
TE |
17s Protection & Control (17s Benalto) |
settings change on the following redundant relays: A87/50/51/T1, B87/50/51/51NN/T1 |
10 Hours
Daily |
|
| 14-Apr-25 07:00 |
14-Apr-25 17:00 |
ALTALINK |
TE |
320p Protection & Control (320P Keephills) |
remote passwords change, momentary alarm may come into ACC as passwords are changed |
10 Hours
Daily |
|
| 14-Apr-25 07:00 |
14-Apr-25 17:00 |
ALTALINK |
TE |
5s RTU/SCADA (5s East Calgary) |
update the RTU/HMI configuration to change the alarm naming of CT1 |
10 Hours
Daily |
|
| 14-Apr-25 07:00 |
14-Apr-25 17:00 |
ALTALINK |
TE |
AltaLink Telecom Equipment |
urgent repair: 9062R tarp replacement |
10 Hours
Daily |
|
| 14-Apr-25 08:00 |
23-Apr-25 17:00 |
ALTALINK |
TE |
746s RTU/SCADA (746s Sherwood Park) |
configuration updates for implementation of s700N control module, A-B/L5 protections, cutover controls for 746s700N |
9.38 Days
Daily |
|
| 14-Apr-25 08:00 |
23-Apr-25 17:00 |
ALTALINK |
TE |
422s RTU/SCADA (422s Westwood) |
configuration updates for implementation of A-B/700L protections |
9.38 Days
Daily |
|
| 14-Apr-25 08:00 |
15-Apr-25 17:00 |
Lethbridge, ALTALINK |
Outage |
674s 725W (674s Bowron), 725L (674s Bowron - 725BL tap), 674s T1 (674s Bowron) |
674s725LW Open end Outage to Test Trip Protections and install risers on 674s T1 New Transformer |
1.38 Days
Continuous |
|
| 14-Apr-25 08:00 |
15-Apr-25 17:00 |
ALTALINK |
Outage |
725L (674s Bowron - 725BL tap) |
Test/Trip 674ss T1 Protections |
1.38 Days
Continuous |
|
| 14-Apr-25 08:00 |
18-Apr-25 17:00 |
ALTALINK |
TE |
409s Protection & Control (409s Shell Scotford) |
salvage 409s807N requiring setting changes |
4.38 Days
Daily |
|
| 14-Apr-25 08:00 |
18-Apr-25 17:00 |
ALTALINK |
TE |
409s RTU/SCADA (409s Shell Scotford) |
configuration update for salvage of 409s807N |
4.38 Days
Daily |
|
| 14-Apr-25 08:00 |
17-Apr-25 15:00 |
CMH |
Outage |
MHS-5 MH69-T51 (MH69s5 NE Crescent Height), MHS-5 MH69-505 (MHS-5 NE Crescent Heights) |
Outage to facilitate the replacement of bushings on transformer MH69-T51 and perform breaker maintenance on MH69-505 |
3.29 Days
Continuous |
|
| 14-Apr-25 08:00 |
17-Apr-25 17:00 |
CMH |
Outage |
MHS-1 69kV North Bus (MHS-1 Power P Switchyard) |
During this outage North Bus differential protection relay will be replaced.
|
3.38 Days
Continuous |
|
| 14-Apr-25 08:00 |
15-Apr-25 17:00 |
ALTALINK |
TE |
321s RTU/SCADA (321s Al Rothbauer) |
SCADA configuration change to rename 2 alarms |
1.38 Days
Daily |
|
| 14-Apr-25 08:00 |
15-Apr-25 16:00 |
ENMAX |
TE |
RTU/SCADA (SS-47) |
SCADA RTU test - RTU-47. SCADA alarm test - RTU-47 ANN |
1.33 Days
Daily |
|
| 14-Apr-25 08:00 |
16-Apr-25 16:00 |
ENMAX |
Outage |
162.4TR (SS-162) |
GIS lightning arrester grounding bond addition 162.115, 162.116, 162.117, 162.118 |
2.33 Days
Continuous |
|
| 14-Apr-25 08:00 |
14-Apr-25 16:00 |
ATCO |
IO |
ATCO Distribution Breaker |
ENMAX Power Factor Test - 24B138-24.82-CT
Solar field breakers 512 and 522 to be opened at 6501S for duration of ENMAX work scope. |
8 Hours
Continuous |
|
| 14-Apr-25 08:00 |
14-Apr-25 16:00 |
ATCO |
IO |
ATCO Distribution Breaker |
Power Factor Test - 24B138-24.82-CT need to open breakers 512 and 521 at 6500S for the duration |
8 Hours
Continuous |
|
| 14-Apr-25 08:00 |
14-Apr-25 16:00 |
ENMAX |
Outage |
24.2TR (SS-24), 24.82L (SS-24 - SS-65) |
Power Factor Test - 24B138-24.82-CT. Check reversing switch 24.2TR. |
8 Hours
Continuous |
|
| 14-Apr-25 08:00 |
14-Apr-25 10:00 |
ENMAX |
IO |
Protection & Control (SS-32) |
SSTR32-1(OLD) outage. Move AC feed for the GIS building from old station service to new building. On return to servce SSTR32-1(OLD) will feed the old control building via MTS32, GIS building cables removed. |
2 Hours
Continuous |
|
| 14-Apr-25 08:00 |
17-Apr-25 17:00 |
ALTALINK |
TE |
419s Protection & Control (419s Chestermere) |
RAS 194 functional testing |
3.38 Days
Daily |
|
| 14-Apr-25 09:00 |
23-Apr-25 18:00 |
ALTALINK |
Outage |
700L (422s Westwood - 746L tap), 700L (746s Sherwood Park - 746L tap) |
Replace 746s700N breaker control module. Replace 700L line protections. Salvage 700L VSR and replace it with new VT5.
Cutover CT connection to new A87/138B. RSLD 3 to be implemented after outage is complete. |
9.38 Days
Continuous |
|
| 14-Apr-25 09:00 |
14-Apr-25 17:00 |
BCH, ALTALINK |
Outage |
1L275 (799s Coleman - BCH Natal), 799s 786W (799s Coleman) |
NTL station upgrade project. test-energize new NTL 138kV ring 1L274-new |
8 Hours
Continuous |
AB-BC |
| 14-Apr-25 09:00 |
14-Apr-25 17:00 |
ATCO |
RB |
7L48 (787s High Prairie - 7L48 tap), 7L48 (794s Valleyview - 7LA48 tap) |
tap down high side (J1) of 835s mobile at 882s Triangle |
8 Hours
Continuous |
|
| 14-Apr-25 09:30 |
17-Apr-25 17:00 |
ALTALINK, EPCOR |
Outage |
930L (37s North Calder - Poundmaker), PM2403 (Poundmaker), PM2404 (Poundmaker), PMDS10 (Poundmaker) |
930L zone relay maintenance |
3.31 Days
Continuous |
|
| 14-Apr-25 09:30 |
17-Apr-25 17:00 |
ALTALINK, EPCOR |
IO |
930L (37s North Calder - Poundmaker) |
epcor relay maintenance |
3.31 Days
Continuous |
|
| 14-Apr-25 09:30 |
18-Apr-25 17:30 |
ATCO |
Outage |
730s STATCOM (730s Rycroft), 730s 705 (730s Rycroft) |
SVC ANNUAL INSPECTION . |
4.33 Days
Continuous |
|
| 14-Apr-25 10:00 |
17-Apr-25 16:00 |
ATCO |
Outage |
700s 707C (700s Bonnyville) |
PRC-005 RELAY TESTING, RTXP TEST SWITCH REPLACEMENTS, PRC-005 TRIP COIL TESTING |
3.25 Days
Continuous |
|
| 14-Apr-25 10:00 |
14-Apr-25 17:00 |
ATCO |
TE |
ATCO Telecom Equipment, 710s RTU/SCADA (710s Vermilion), 710s Protection & Control (710s Vermilion) |
PM on radio at mannville tower facing vermilion sub |
7 Hours
Continuous |
|
| 14-Apr-25 10:00 |
14-Apr-25 17:00 |
ATCO |
TE |
ATCO Telecom Equipment |
Mannville_T-Telecom- PM on radio at Mannville Tower facing Bauer Sub. |
7 Hours
Continuous |
|
| 14-Apr-25 10:00 |
15-Apr-25 17:00 |
ATCO |
TE |
807s Protection & Control (807s Sheerness) |
807S 9L100 protection relay - replacing the clock antenna |
31 Hours
Continuous |
|
| 14-Apr-25 10:00 |
14-Apr-25 17:00 |
ATCO |
TE |
819s Whitby Lake RTU/SCADA |
PM on radio at Hairy Hill tower facing Whitby sub |
7 Hours
Continuous |
|
| 14-Apr-25 10:00 |
14-Apr-25 17:00 |
ALTALINK |
TE |
15s Protection & Control (15s Fort Macleod) |
protection settings change for recloser 11/(96/25SC/79)/552 |
7 Hours
Daily |
|
| 14-Apr-25 11:00 |
15-Apr-25 16:00 |
ATCO |
TE |
783s Protection & Control (783s Cadotte River) |
Trouble shoot ITM on 701T communication issues |
29 Hours
Continuous |
|
| 14-Apr-25 14:00 |
16-Apr-25 17:30 |
ALTALINK |
Outage |
86s 852 (86s Bigstone), 40s 804W (40s Wetaskiwin), 804L (40s 803L tap - 86s 803L tap), 804L (40s Wetaskiwin - 40s 803L tap), 804L (86s Bigstone - 86s 803L tap) |
138kV breaker maintenance |
2.15 Days
Continuous |
|
| 15-Apr-25 07:00 |
16-Apr-25 17:00 |
ALTALINK |
Outage |
385s T1 (385s Spring Coulee), 385s T3 (385s Spring Coulee) |
25kV Bus installing bird cover |
1.42 Days
Continuous |
|
| 15-Apr-25 07:00 |
15-Apr-25 17:00 |
EPCOR |
Outage |
R724 (Rossdale) |
breaker maintenance (SF6) |
10 Hours
Continuous |
|
| 15-Apr-25 07:00 |
18-Apr-25 15:00 |
ATCO |
IO |
7L101 (790s Poplar Hill - 944s Lowe Lake) |
customer request |
3.33 Days
Continuous |
|
| 15-Apr-25 07:00 |
18-Apr-25 15:00 |
ATCO |
Outage |
7L101 (790s Poplar Hill - 944s Lowe Lake), 790s 705 (790s Poplar Hill) |
trip coil testing PRC-005 |
3.33 Days
Continuous |
|
| 15-Apr-25 07:00 |
18-Apr-25 15:00 |
ATCO |
TE |
790s Protection & Control (790s Poplar Hill) |
RTXP test switch mitigation and replacement |
3.33 Days
Continuous |
|
| 15-Apr-25 07:00 |
15-Apr-25 17:00 |
EPCOR |
Outage |
72CH11 (987s Clover Bar - EP Hardisty), H725 (EP Hardisty), H723 (EP Hardisty), S724 (Strathcona) |
relay maintenance |
10 Hours
Continuous |
|
| 15-Apr-25 07:00 |
17-Apr-25 18:00 |
ALTALINK |
Outage |
430s 152 (430s Ursus) |
urgent replacement of leaking Koncar 430s152 (CT1) B-phase CT |
2.46 Days
Continuous |
|
| 15-Apr-25 08:00 |
18-Apr-25 16:00 |
Syncrude |
Outage |
Mildred T16 (Syncrude Mildred Lake), 1635 (Syncrude Mildred Lake) |
SCL - isolate T16 to complete come required maintenance |
3.33 Days
Continuous |
|
| 15-Apr-25 08:00 |
15-Apr-25 17:00 |
ALTALINK |
Outage |
245s T2 (245s Seebe) |
245s3 and 245s20 cooper cutout switch replacements |
9 Hours
Daily |
|
| 15-Apr-25 08:00 |
15-Apr-25 12:00 |
ALTALINK |
TE |
580s Protection & Control (580s Sylvan Lake) |
settings update to 1155AIS protection relay |
4 Hours
Daily |
|
| 15-Apr-25 08:00 |
15-Apr-25 12:00 |
ENMAX |
Outage |
13.82L (SS-13 - SS-22), 22.3TR (SS-22), 22.1TR (SS-22), 22B138-22BT8 (SS-22), 22B138-13.82 (SS-22) |
spring substation washing. check reversing switch 22.1TR, 22.3TR |
4 Hours
Continuous |
|
| 15-Apr-25 08:00 |
15-Apr-25 17:00 |
ALTALINK |
TE |
AltaLink Telecom Equipment |
Epcor fiber optics work |
9 Hours
Daily |
|
| 15-Apr-25 08:30 |
16-Apr-25 16:30 |
ATCO |
TE |
ATCO RTU/SCADA |
upgrade 6502s RTAC and controller |
1.33 Days
Continuous |
|
| 15-Apr-25 09:00 |
15-Apr-25 17:00 |
ATCO |
TE |
ATCO Telecom Equipment, 718s Protection & Control (718s Parsons Creek), 933s Protection & Control (933s Tower Road), 718s RTU/SCADA (718s Parsons Creek), 933s RTU/SCADA (933s Tower Road) |
rectify and correct tower plumbness |
8 Hours
Continuous |
|
| 15-Apr-25 10:00 |
15-Apr-25 17:00 |
ATCO |
TE |
ATCO Telecom Equipment, 947s RTU/SCADA (947s Weasel Creek) |
PM on radio at Weasel Creek facing Deerland |
7 Hours
Continuous |
|
| 15-Apr-25 11:00 |
16-Apr-25 19:00 |
ATCO |
TE |
ATCO Telecom Equipment, 851s RTU/SCADA (851s Morse River) |
Morse River_S-Telecom - troubleshoot intermittent communication errors at Morse River |
1.33 Days
Continuous |
|
| 15-Apr-25 12:00 |
15-Apr-25 18:00 |
ENMAX |
Outage |
22.81L (SS-22 - SS-39), 22.2TR (SS-22), 22B138-22BT8 (SS-22), 22B138-22.81 (SS-22) |
spring substation washing check reversing switch 22.2TR |
6 Hours
Continuous |
|
| 16-Apr-25 08:00 |
16-Apr-25 17:00 |
Lethbridge |
Outage |
674s 725E (674s Bowron) |
test trip new protections for 674s T1 |
9 Hours
Continuous |
|
| 16-Apr-25 08:00 |
16-Apr-25 17:00 |
ALTALINK, Lethbridge |
Outage |
725L (674s Bowron - 725AL tap), 674s 725E (674s Bowron) |
Test/Trip 674ss T1 Protections |
9 Hours
Daily |
|
| 16-Apr-25 08:00 |
17-Apr-25 17:00 |
ALTALINK, TRANSALTA |
Outage |
33s T2 (33s Spray) |
maintenance |
1.38 Days
Continuous |
|
| 16-Apr-25 08:00 |
16-Apr-25 16:00 |
ENMAX |
TE |
RTU/SCADA (SS-38) |
SCADA RTU test - RTU-38 |
8 Hours
Continuous |
|
| 16-Apr-25 08:00 |
17-Apr-25 17:00 |
ALTALINK |
TE |
242s RTU/SCADA (242s Flat Lake) |
2025 MPLS upgrade project - remote configuration change |
1.38 Days
Daily |
|
| 16-Apr-25 08:00 |
16-Apr-25 12:00 |
ENMAX |
Outage |
1.81L (SS-1 - SS-20), 20.1TR (SS-20), 20B138-1.81 (SS-20) |
spring substation washing. |
4 Hours
Continuous |
|
| 16-Apr-25 09:00 |
16-Apr-25 17:00 |
ATCO |
TE |
ATCO Telecom Equipment, 933s Protection & Control (933s Tower Road), 820s Protection & Control (820s Hangingstone) |
total telecom microwave radio link outage to correct tower plumbness. |
8 Hours
Continuous |
|
| 16-Apr-25 09:00 |
16-Apr-25 16:00 |
ATCO |
TE |
730s RTU/SCADA (730s Rycroft) |
Network firewall replace for Low Bes project |
7 Hours
Continuous |
|
| 16-Apr-25 10:00 |
16-Apr-25 17:00 |
ATCO |
TE |
ATCO Telecom Equipment, 969s RTU/SCADA (969s Lindbergh) |
Lindbergh_S-telecom |
7 Hours
Continuous |
|
| 16-Apr-25 12:01 |
16-Apr-25 18:00 |
ENMAX |
Outage |
20.82L (SS-20 - SS-21), 20.3TR (SS-20), 20B138-1.81 (SS-20) |
spring substation washing. |
5.98 Hours
Continuous |
|
| 17-Apr-25 08:00 |
17-Apr-25 17:30 |
ATCO |
Outage |
741s 504C (741s Fox Creek) |
demo old cabling, remove old breaker, install new breaker and terminate new cabling from new protection/control building and commission new breaker Fox Creek Substation Upgrade Project |
9.5 Hours
Continuous |
|
| 17-Apr-25 08:00 |
17-Apr-25 16:00 |
ENMAX |
Outage |
12.2TR (SS-12) |
take cell measurements in 12BB8-12.2TR cell for replacement breaker |
8 Hours
Continuous |
|
| 17-Apr-25 10:00 |
17-Apr-25 17:00 |
ATCO |
TE |
ATCO Telecom Equipment, 936s RTU/SCADA (936s Norberg), 936s Protection & Control (936s Norberg) |
Norberg_S-Telecom- PM on radio at Norberg Sub facing WhitefishTwr. |
7 Hours
Continuous |
|
| 17-Apr-25 13:00 |
20-Apr-25 18:00 |
ENMAX |
Outage |
2GSU-XF-001 (SS-25), 25B240-D134 (SS-25), 25B240-D135 (SS-25) |
power factor test |
3.21 Days
Continuous |
|
| 17-Apr-25 13:00 |
20-Apr-25 18:00 |
ENMAX, ALTALINK |
Outage |
1003L (74s Janet - SS-25) |
Outage required to allow 2GSU 240kV bus isolation |
3.21 Days
Continuous |
|
| 17-Apr-25 13:00 |
20-Apr-25 18:00 |
ENMAX, ALTALINK |
IO |
1003L (74s Janet - SS-25) |
outage required to allow 2GSU 240kV bus isolation |
3.21 Days
Continuous |
|