![]() 26-Jul-24 10:00 |
![]() 30-Jun-27 16:00 |
![]() ATCO |
![]() Outage |
![]() 826s 504R (826s Marguerite Lake) |
![]() emergency removal to replace failed 502R @834S |
![]() 25,662 Hours
Continuous |
![]() |
| 20-Mar-25 08:00 |
30-Sep-26 17:00 |
ALTALINK |
Outage |
256s C1 (256s Harmattan) |
forced outage |
13,425 Hours
Continuous |
|
| 25-Nov-25 17:46 |
18-Sep-26 18:00 |
ATCO |
Outage |
876s 901T (876s Brintnell) |
forced outage oil leaking |
7,127.23 Hours
Continuous |
|
| 27-Nov-25 08:30 |
27-Nov-27 16:30 |
ALTALINK |
TE |
89s Protection & Control (89s Ellerslie) |
DSP card replacements on1057L B87/L3 and B240B1 B87/240B1 |
17,528 Hours
Daily |
|
| 04-Jan-26 08:00 |
16-Oct-26 20:00 |
SUNCOR |
Outage |
29EDD-34 260kV Bus 29PP-45 (29EDD-34), 29EDD-34 29-952-113 (29EDD-34), 29EDD-34 29PS-216 (29EDD-34) |
urgent repairs on 29PT-224 at 29EDD34 on 29PP-45 bus |
5,791 Hours
Continuous |
|
| 21-Jan-26 08:00 |
30-Oct-26 16:00 |
ENMAX |
Outage |
5.7TR (SS-5) |
25kV switchgear replacement |
6,775 Hours
Continuous |
|
| 06-Mar-26 17:00 |
13-Nov-26 17:00 |
EPCOR |
Outage |
T1 (Woodcroft) |
woodcroft: TX1 LCR civil |
6,048 Hours
Continuous |
|
| 10-Mar-26 10:00 |
30-Nov-26 17:00 |
ATCO |
TE |
743s RTU/SCADA (743s Sarah Lake) |
throughout the course of the project, different apparatus are being replaced, RTU will be blocked prior to download |
6,368 Hours
Continuous |
|
| 11-Mar-26 13:45 |
15-Sep-26 08:59 |
ALTALINK |
Outage |
535s C1 (535s Joffre) |
breaker maintenance |
4,507.23 Hours
Continuous |
|
| 01-May-26 17:00 |
25-Nov-26 17:00 |
EPCOR |
Outage |
T1 (Meadowlark) |
T1 LCR civil work |
4,993 Hours
Continuous |
|
| 19-May-26 07:00 |
02-Oct-26 17:00 |
EPCOR |
TE |
987s Protection & Control (987s Clover Bar) |
protection blocking - relay maintenance and bus differential upgrade project |
2,434 Hours
Continuous |
|
| 04-Jun-26 07:01 |
10-Feb-27 17:00 |
EPCOR |
Outage |
T1 (Rossdale) |
rossdale: TX1 lcr civil |
6,034.98 Hours
Continuous |
|
| 07-Jun-26 17:05 |
01-Oct-26 00:00 |
ACCIONA, ENBRIDGE, ICPCL |
Outage |
139s C1 (139s Hillridge) |
forced outage |
2,766.92 Hours
Continuous |
|
| 08-Jun-26 07:00 |
04-Dec-26 17:00 |
EPCOR |
TE |
EP 511s Protection & Control (EP 511s Victoria) |
72kV breaker fail protection blocking |
2,626 Hours
Continuous |
|
| 15-Jun-26 07:00 |
18-Dec-26 17:00 |
EPCOR |
TE |
805s Protection & Control (805s Jasper) |
protection blocking, breaker replacement project |
1,954 Hours
Continuous |
|
| 19-Jun-26 17:00 |
03-Dec-27 17:00 |
EPCOR |
Outage |
EP 511s Victoria T3 (EP 511s Victoria) |
emergency outage due to degraded asset condition |
12,769 Hours
Continuous |
|
| 10-Jul-26 08:00 |
18-Nov-26 16:00 |
Syncrude |
Outage |
815 (Syncrude Mildred Lake), 816 (Syncrude Mildred Lake) |
replace 72 kV underground feeder cables on west mine feeder |
2,696 Hours
Continuous |
|
| 14-Jul-26 00:00 |
30-Sep-26 00:00 |
ALTALINK |
Outage |
151s C1 (151s Strathmore) |
forced outage |
1,872 Hours
Continuous |
|
| 14-Jul-26 08:00 |
22-Oct-26 17:00 |
ALTALINK |
Outage |
287s 552 (287s Hazelwood) |
287s552 must be open during 443L and 417L outage for the 214s AIS to work properly |
1,905 Hours
Continuous |
|
| 15-Jul-26 14:01 |
22-Oct-26 09:00 |
ALTALINK |
Outage |
417L (55s Olds - 281s Johnson), 55s T1 (55s Olds), 55s T2 (55s Olds), 55s 417 (55S Olds), 287s 552 (287s Hazelwood), 55s 2 (55s Olds) |
mobile install at 55s for P_C major upgrade, repair/replace s80, s83, s84. salvage s51. |
1,962.98 Hours
Continuous |
|
| 20-Jul-26 07:00 |
31-Dec-26 17:00 |
EPCOR |
TE |
Protection & Control (Woodcroft) |
woodcroft: protection blocking for TX1 LCR, line protection testing, and repairs |
3,947 Hours
Continuous |
|
| 20-Jul-26 07:00 |
04-Sep-26 17:00 |
EPCOR |
TE |
330p Protection & Control (330p Genesee) |
genesee: protection blocking, firmware updates |
1,114 Hours
Continuous |
|
| 03-Aug-26 08:00 |
04-Sep-26 16:00 |
ENMAX |
TE |
Protection & Control (SS-5) |
5 sub zone 31 auto switching protection scheme outage, 25kV switchgear addition |
776 Hours
Daily |
|
| 03-Aug-26 08:00 |
30-Oct-26 16:00 |
ALTALINK |
TE |
55s RTU/SCADA (55s Olds) |
adding/testing new alarms & controls associated with the 55s P&C |
2,120 Hours
Daily |
|
| 04-Aug-26 07:03 |
17-Sep-26 17:00 |
ALTALINK |
Outage |
869L (163s Amoco Empress - 204s Sandy Point), 204s T1 (204s Sandypoint), 163s 869W (163s Amoco Empress) |
customer maintenance work |
777.95 Hours
Continuous |
|
| 05-Aug-26 13:00 |
05-Sep-26 13:00 |
ATCO |
TE |
2085s Protection & Control (2085s Sheridan) |
power quality meter install at 2085s Sheridan
|
744 Hours
Continuous |
|
| 10-Aug-26 07:30 |
02-Oct-26 17:00 |
ALTALINK |
Outage |
434s T3 (434s East Stony Plain) |
T3 transformer replacement |
1,281.5 Hours
Continuous |
|
| 13-Aug-26 16:31 |
24-Sep-26 17:00 |
ALTALINK |
Outage |
71s T1 (71s Lamoureux) |
bushing issue |
1,008.48 Hours
Continuous |
|
| 17-Aug-26 08:00 |
11-Sep-26 16:00 |
ALTALINK |
TE |
89s Protection & Control (89s Ellerslie) |
MPLS TPR re-arrangements project: 908L (Ellerslie 89S -Petrolia E816s) relay testing and cutover |
608 Hours
Continuous |
|
| 17-Aug-26 08:00 |
11-Sep-26 16:00 |
ALTALINK |
TE |
37s Protection & Control (37s North Calder) |
930L (North Calder 37S -Poundmaker EPCOR) relay testing and cutover |
608 Hours
Continuous |
|
| 17-Aug-26 08:00 |
11-Sep-26 16:00 |
ALTALINK |
TE |
367s Protection & Control (367s Harry Smith) |
1139L (Harry Smith 367S -Riverview EPCOR) MPLS TPR re-arrangements project, EPCOR relay testing and cutover |
608 Hours
Continuous |
|
| 17-Aug-26 08:00 |
11-Sep-26 16:00 |
ALTALINK |
TE |
37s Protection & Control (37s North Calder) |
920LE (North Calder 37S -E557s Castle Downs EPCOR) EPCOR relay testing and cutover |
608 Hours
Continuous |
|
| 17-Aug-26 08:00 |
11-Sep-26 16:00 |
ALTALINK |
TE |
71s Protection & Control (71s Lamoureux) |
920LW (Lamoreux 71S -E557s Castle Downs EPCOR) MPLS TPR re-arrangements project, EPCOR relay testing and cutover |
608 Hours
Continuous |
|
| 17-Aug-26 09:30 |
11-Sep-26 17:00 |
ALTALINK, EPCOR |
TE |
908L (89s Ellerslie - 816s Petrolia) |
protection blocking for MPLS cutovers and commissioning |
607.5 Hours
Continuous |
|
| 17-Aug-26 09:30 |
11-Sep-26 17:00 |
ALTALINK, EPCOR |
TE |
1139L (367s Harry Smith - EP Riverview) |
protection blocking for MPLS cutovers and commissioning |
607.5 Hours
Continuous |
|
| 17-Aug-26 09:30 |
11-Sep-26 17:00 |
ALTALINK, EPCOR |
TE |
930L (37s North Calder - Poundmaker) |
protection blocking for MPLS cutovers and commissioning |
607.5 Hours
Continuous |
|
| 17-Aug-26 09:30 |
11-Sep-26 17:00 |
ALTALINK, EPCOR |
TE |
1045L (EP 805s Jasper - 1045AL tap) |
protection blocking for MPLS cutovers and commissioning |
607.5 Hours
Continuous |
|
| 17-Aug-26 09:30 |
11-Sep-26 17:00 |
ALTALINK, EPCOR |
TE |
920L (71s Lamoureux - 557s Castle Downs) |
protection blocking for MPLS cutovers and commissioning |
607.5 Hours
Continuous |
|
| 17-Aug-26 09:30 |
11-Sep-26 17:00 |
ALTALINK, EPCOR |
TE |
920L (37s North Calder - 557s Castle Downs) |
protection blocking for MPLS cutovers and commissioning |
607.5 Hours
Continuous |
|
| 20-Aug-26 09:00 |
09-Oct-26 10:00 |
ALTALINK |
Outage |
58s T1 (58s Edson) |
58s T1 transformer replacement and containment install |
1,201 Hours
Continuous |
|
| 24-Aug-26 07:00 |
04-Sep-26 17:00 |
EPCOR |
Outage |
72JM18 (EP 805s Jasper - Meadowlark), M721 (Meadowlark), EP 805s J722 (EP 805s Jasper), EP 805s JDS29 (EP 805s Jasper) |
JM18/Meadowlark: SA doble and MDS1 disconnect maintenance |
82 Hours
Continuous |
|
| 24-Aug-26 08:00 |
06-Sep-26 16:00 |
Syncrude |
Outage |
T3 (Aurora), 11 (Aurora), 12 (Aurora), G20 (Aurora), 89-15 (Aurora) |
outage to repair damaged 15kV bus ducting. |
296 Hours
Continuous |
|
| 24-Aug-26 09:00 |
03-Sep-26 17:30 |
ALTALINK |
RB |
1045AL (320p Keephills - 1045L tap), 1045L (310p Sundance - 1045AL tap) |
1044L/1045L/1098L: Reclose Block for aerial washing program |
248.5 Hours
Continuous |
|
| 24-Aug-26 09:30 |
03-Sep-26 17:00 |
EPCOR, ALTALINK |
RB |
1098L (EP 805s Jasper - Poundmaker), 1044L (EP 805s Jasper - 816s Petrolia), 1045L (EP 805s Jasper - 1045AL tap) |
1044L/1045L/1098L: reclose block for aerial washing program |
247.5 Hours
Continuous |
|
| 24-Aug-26 13:00 |
04-Sep-26 13:00 |
ATCO |
Outage |
7L228-1 (2091s Thornton - 7L20 tap) |
7L228D2 line switch failure replacement, install BKR 703 |
264 Hours
Continuous |
|
| 24-Aug-26 13:00 |
04-Sep-26 13:00 |
ATCO |
TE |
2091s Protection & Control (2091s Thornton), 2091s RTU/SCADA (2091s Thornton) |
wiring and updating 21A & 21B 7L228 relays and settings, station controller and settings |
264 Hours
Continuous |
|
| 25-Aug-26 07:00 |
21-Sep-26 17:00 |
ATCO |
TE |
743s Protection & Control (743s Sarah Lake) |
21A/7L55 for relay testing and wiring, element will be out of service under GOI 2-81723 |
658 Hours
Continuous |
|
| 25-Aug-26 08:00 |
21-Sep-26 17:00 |
ATCO |
TE |
743s Protection & Control (743s Sarah Lake) |
21B/7L55 for relay testing and wiring, element will be out of service under GOI 2-81723 |
657 Hours
Continuous |
|
| 25-Aug-26 08:00 |
21-Sep-26 17:00 |
ATCO |
TE |
743s Protection & Control (743s Sarah Lake) |
86-50BF-1/700BS1, 94-50BF-1/700BS1 |
657 Hours
Continuous |
|
| 25-Aug-26 08:00 |
21-Sep-26 17:00 |
ATCO |
TE |
743s Protection & Control (743s Sarah Lake) |
50BF/701 for relay testing |
657 Hours
Continuous |
|
| 26-Aug-26 08:00 |
04-Sep-26 16:00 |
ALTALINK |
TE |
103s RTU/SCADA (103s Goose Lake) |
HMI replacement |
224 Hours
Daily |
|
| 26-Aug-26 12:00 |
21-Sep-26 11:00 |
ATCO |
Outage |
743s 701 (743s Sarah Lake), 743s 701A (743s Sarah Lake), 743s 7L55D3 (743s Sarah Lake), 7L55 (743s Sarah Lake - 809s Louise Creek), 809s 705 (809s Louise Creek) |
743s Sarah lake rebuild |
623 Hours
Continuous |
|
| 31-Aug-26 07:00 |
13-Sep-26 17:00 |
EPCOR, ALTALINK |
Outage |
72LH8 (EP 803s Lambton - EP Hardisty), 72LS24 (EP 803s Lambton - Strathcona), EP 803s T3 (EP 803s Lambton), EP 803s L2403 (EP 803s Lambton), EP 803s L2405 (EP 803s Lambton), EP 803s L721 (EP 803s Lambton), S724 (Strathcona), EP 803s LAB3 (EP 803s Lambton) |
breaker maintenance, drive pipe repair and T3 relay maintenance and zone doble |
322 Hours
Continuous |
|
| 31-Aug-26 07:00 |
17-Sep-26 17:00 |
ALTALINK |
Outage |
869L (163s Amoco Empress - 204s Sandy Point), 204s T1 (204s Sandypoint), 163s 869W (163s Amoco Empress), 204s 869E (204s Sandy Point) |
869L protection upgrades at 163s (iconic), replace 869L line protections at 204s, replace T1 meter |
346 Hours
Continuous |
|
| 31-Aug-26 07:00 |
03-Sep-26 17:00 |
ALTALINK |
TE |
48s RTU/SCADA (48s Pocaterra) |
RTU configuration update |
82 Hours
Daily |
|
| 31-Aug-26 07:00 |
19-Sep-26 17:00 |
ALTALINK, DOW |
RB |
787L (166s Dow Chemical Fort Saskatchewan - 787AL tap), 787L (71s Lamoureux - 787AL tap) |
urgent repair - transmission line work |
466 Hours
Daily |
|
| 31-Aug-26 07:00 |
04-Sep-26 17:00 |
EPCOR |
TE |
Protection & Control (Rossdale) |
protection blocking, breaker fail and DFR commissioning and cutovers |
106 Hours
Continuous |
|
| 31-Aug-26 07:00 |
11-Sep-26 15:00 |
CMH |
Outage |
MH-50L (MHS-2 North Industrial - MHS-5 NE Crescent Heights), MHS-2 MH69-221 (MHS-2 North Industrial), MHS-5 MH69-510 (MHS-5 NE Crescent Heights) |
replace poles and perform line disconnect maintenance on the MH69-50L |
272 Hours
Continuous |
|
| 31-Aug-26 07:00 |
03-Sep-26 17:00 |
ALTALINK |
RB |
7L230 (69s North Barrhead - 888AL tap) |
ATCO climbing inspection |
82 Hours
Daily |
|
| 31-Aug-26 08:00 |
17-Sep-26 16:00 |
ALTALINK |
TE |
204s RTU/SCADA (204s Sandy Point) |
RTU configuration updates for 869L - line protection and T1 meter replacement |
416 Hours
Daily |
|
| 31-Aug-26 08:00 |
10-Sep-26 15:00 |
CMH |
TE |
MH-15L (MHS-7 Brier Park - MHS-9 South Saskatchewan) |
maintenance on the LDR-15L-B |
247 Hours
Continuous |
|
| 31-Aug-26 08:00 |
17-Sep-26 16:00 |
ALTALINK |
TE |
163s RTU/SCADA (163s Amoco Empress) |
SCADA configuration changes involving 869L protections |
416 Hours
Daily |
|
| 31-Aug-26 08:00 |
11-Sep-26 16:00 |
ALTALINK |
TE |
163s Protection & Control (163s Amoco Empress) |
protection outages required for CVT2 distribution upgrade and circuit cutovers |
272 Hours
Daily |
|
| 31-Aug-26 08:00 |
03-Sep-26 16:00 |
ENMAX |
Outage |
2.83L (SS-2 - 2.83L tap), 2B138-D89 (SS-2), 2B138-D90 (SS-2), MD97 (SS-2), MD98 (SS-2) |
install ITBs - 2RLY138-D89-D90 (BMR5) and relay maintenance |
80 Hours
Continuous |
|
| 31-Aug-26 08:00 |
03-Sep-26 16:00 |
ALTALINK |
TE |
48s Protection & Control (48s Pocaterra) |
protection outage to update IP address |
80 Hours
Daily |
|
| 31-Aug-26 08:00 |
03-Sep-26 16:00 |
ALTALINK |
TE |
48s Protection & Control (48s Pocaterra) |
outage to power cycle relay after IP address update |
80 Hours
Daily |
|
| 31-Aug-26 08:00 |
03-Sep-26 16:00 |
ALTALINK |
TE |
48s Protection & Control (48s Pocaterra) |
protection outage to update IP address |
80 Hours
Daily |
|
| 31-Aug-26 08:00 |
05-Sep-26 16:00 |
Syncrude |
Outage |
18215 (Syncrude Mildred Lake) |
open and rack out circuit breaker to perform work on downstream capacitor bank |
128 Hours
Continuous |
|
| 31-Aug-26 08:00 |
04-Sep-26 16:00 |
ALTALINK |
TE |
281s RTU/SCADA (281s Johnson) |
SCADA configuration updates involving 417L protections |
104 Hours
Daily |
|
| 31-Aug-26 10:00 |
04-Sep-26 17:30 |
ATCO |
TE |
2029s Protection & Control (2029s Heathfield) |
10BL04.07+R1-F873 (12L70) relay firmware upgrade |
103.5 Hours
Continuous |
|
| 31-Aug-26 10:00 |
03-Sep-26 16:00 |
ATCO |
Outage |
826s 902T (826s Marguerite Lake), 826s 503R (826s Marguerite Lake), 826s 504R (826s Marguerite Lake) |
transformer maintenance |
78 Hours
Continuous |
|
| 31-Aug-26 10:00 |
03-Sep-26 17:00 |
ATCO, ALTALINK |
RB |
7L230 (743s Sarah Lake - 888AL tap) |
climbing inspection on 7L230 |
79 Hours
Continuous |
|
| 31-Aug-26 11:00 |
03-Sep-26 17:00 |
ALTALINK |
Outage |
942L (71s Lamoureux - 681s Bannerman), 71s 1752 (71s Lamoureux), 71s 1652 (71s Lamoureux), 71s 942 (71s Lamoureux) |
switch replacement and repair |
78 Hours
Continuous |
|
| 31-Aug-26 11:00 |
03-Sep-26 17:00 |
ALTALINK, EPCOR |
RB |
920L (71s Lamoureux - 557s Castle Downs) |
920LE at 557s Castle Downs - Altalink working on 71s Lamoureux |
78 Hours
Continuous |
|
| 31-Aug-26 12:30 |
03-Sep-26 13:30 |
ALTALINK |
RB |
760L (163s Amoco Empress - 760AL tap) |
installing interphase spacers on 7L760 live line
|
73 Hours
Continuous |
|
| 31-Aug-26 13:00 |
03-Sep-26 16:00 |
ALTALINK |
TE |
227s RTU/SCADA (227s Cutting Lake) |
install new HMI at 227s |
75 Hours
Daily |
|
| 31-Aug-26 13:00 |
06-Oct-26 07:30 |
ATCO |
TE |
790s Protection & Control (790s Poplar Hill), 790s RTU/SCADA (790s Poplar Hill) |
wire new breaker 508, 508 feeder protection into the station RTU and 701T protection |
858.5 Hours
Continuous |
|
| 01-Sep-26 07:30 |
03-Sep-26 16:30 |
ATCO, ALTALINK |
RB |
199L (347s AML Fox Creek - 741s ATC Fox Creek) |
14 red tag pole change program |
171 Hours
Continuous |
|
| 01-Sep-26 08:00 |
03-Sep-26 16:00 |
ATCO, ALTALINK |
RB |
7L199 (347s AML Fox Creek - 741s ATC Fox Creek) |
14 red tag pole change program |
170 Hours
Continuous |
|
| 01-Sep-26 08:00 |
04-Sep-26 20:00 |
SUNCOR |
TE |
29EDD-1 29EDD1s1252 (29EDD-1 Millennium), 29EDD-1 29EDD1s1352 (29EDD-1 Millennium) |
PRC-005 29EDD1S1252/1352 relay testing, 29CVT - 6/6L32 system, 6L32 is required to stay energized
|
84 Hours
Continuous |
|
| 01-Sep-26 09:00 |
03-Sep-26 17:30 |
ATCO, ALTALINK |
Outage |
9L961 (13s Deerland - 825s Whitefish Lake) |
9L961L structure 3 replace synthetic insulators, pins and cotter keys |
56.5 Hours
Continuous |
|
| 01-Sep-26 09:00 |
03-Sep-26 17:30 |
ATCO, ALTALINK |
RB |
9L960 (13s Deerland - 825s Whitefish Lake) |
9L961L3 change synthetic insulators, pins and cotter keys |
56.5 Hours
Daily |
|
| 01-Sep-26 09:00 |
03-Sep-26 17:30 |
ATCO, ALTALINK |
IO |
9L961 (13s Deerland - 825s Whitefish Lake) |
AltaLink outage to replace insulators
|
56.5 Hours
Continuous |
|
| 01-Sep-26 09:00 |
03-Sep-26 17:30 |
ATCO, ALTALINK |
RB |
9L960 (13s Deerland - 825s Whitefish Lake) |
Altalink requesting reclosing off to replace insulators on 9L961
|
56.5 Hours
Continuous |
|
| 01-Sep-26 10:00 |
04-Sep-26 14:00 |
ATCO |
Outage |
827s 702T (827s Cranberry Lake), 827s 702 (827s Cranberry Lake) |
transformer class 2 tap changer 702T at 827s, breaker SF6 ltb145D1/B complete testing 702 at 827s |
76 Hours
Continuous |
|
| 02-Sep-26 07:00 |
03-Sep-26 18:00 |
ALTALINK, BCH |
RB |
1201L (520s Bennett - BCH Cranbrook) |
conductor inspection on structure 21-22, 50-51, 187-188, 279-280 |
35 Hours
Continuous |
|
| 02-Sep-26 07:00 |
21-Oct-26 15:00 |
ALTALINK, TRANSALTA |
Outage |
320p GT3 (320p Keephills), 320p 3052 (320p Keephills), 320p 2952 (320p Keephills) |
maintenance |
1,184 Hours
Continuous |
|
| 02-Sep-26 08:00 |
03-Sep-26 16:00 |
ENMAX |
Outage |
16.60L (SS-16 - SS-34), 16B69-16.60 (SS-16), 34B69-16.60 (SS-34) |
16B69-16.60 CT terminal block replacement |
32 Hours
Continuous |
|
| 02-Sep-26 08:00 |
03-Sep-26 16:00 |
ENMAX |
TE |
Protection & Control (SS-16) |
16 sub Z21 69 kV bus differential protection outage |
32 Hours
Daily |
|
| 02-Sep-26 08:00 |
03-Sep-26 16:00 |
ALTALINK |
TE |
288s Protection & Control (288s Wolf Creek) |
standard relay maintenance |
32 Hours
Daily |
|
| 02-Sep-26 09:00 |
21-Sep-26 13:00 |
BCH |
Outage |
5L96 (BCH Selkirk - BCH Vaseux Lake) |
maintenance, BC maintenance does not affect the Alberta ATC |
460 Hours
Continuous |
AB-BC |
| 02-Sep-26 09:00 |
03-Sep-26 16:00 |
ALTALINK |
TE |
12s Protection & Control (12s Heartland) |
ATCO requested 12L70 line protection testing |
31 Hours
Continuous |
|
| 03-Sep-26 07:00 |
03-Sep-26 17:00 |
EPCOR |
Outage |
987s C2405 (987s Clover Bar) |
Cloverbar - C2405 capacitor nameplate pictures |
10 Hours
Continuous |
|
| 03-Sep-26 08:00 |
12-Sep-26 16:00 |
ALTALINK |
TE |
388s RTU/SCADA (388s Riverside) |
complete SCADA upgrade |
224 Hours
Daily |
|
| 03-Sep-26 08:00 |
03-Sep-26 17:30 |
ALTALINK |
Outage |
156L (19s Wabamun - 156BL tap), 19s 156 (19s Wabamun) |
156L36 Structure replacement |
9.5 Hours
Continuous |
|
| 03-Sep-26 08:00 |
03-Sep-26 16:00 |
ENMAX |
RB |
14.83L (SS-14 - SS-36) |
fall transmission line washing |
8 Hours
Continuous |
|
| 03-Sep-26 08:00 |
03-Sep-26 16:00 |
ENMAX |
RB |
38.83L (SS-38 - SS-39) |
fall transmission line washing |
8 Hours
Continuous |
|
| 03-Sep-26 08:00 |
03-Sep-26 16:00 |
ENMAX |
RB |
39.82L (SS-39 - SS-162) |
fall transmission line washing |
8 Hours
Continuous |
|
| 03-Sep-26 08:00 |
05-Sep-26 19:00 |
ATCO |
RB |
9L58 (848s Ruth Lake - 888s Dover) |
tower line inspection 9L58/9L74 |
59 Hours
Continuous |
|
| 03-Sep-26 08:00 |
05-Sep-26 19:00 |
ATCO |
RB |
9L01 (848s Ruth Lake - 951s Thickwood Hills) |
tower line inspection 9L74/58 |
59 Hours
Continuous |
|
| 03-Sep-26 08:00 |
05-Sep-26 19:00 |
ATCO |
RB |
9L74 (888s Dover - 960s Birchwood Creek) |
tower line inspection 9L74/58 |
59 Hours
Continuous |
|
| 03-Sep-26 08:00 |
04-Sep-26 19:00 |
ATCO |
RB |
9L39 (925s Green Stocking - 934s Blackfly) |
tower line inspection 9L77/9L39 |
35 Hours
Continuous |
|
| 03-Sep-26 08:00 |
04-Sep-26 19:00 |
ATCO |
RB |
9L77 (925s Green Stocking - 934s Blackfly) |
tower line inspection 9L77/9L39 |
35 Hours
Continuous |
|
| 03-Sep-26 08:00 |
03-Sep-26 12:00 |
ENMAX |
Outage |
65B240-D134 (SS-65) |
breaker SF6 gas sample - 65B240-D134 |
4 Hours
Continuous |
|
| 03-Sep-26 08:00 |
03-Sep-26 16:00 |
ALTALINK |
TE |
103s Protection & Control (103s Goose Lake) |
implement fault reporting on line protections 613L B87/21/L9 URL90 |
8 Hours
Continuous |
|
| 03-Sep-26 08:00 |
03-Sep-26 16:00 |
ALTALINK |
TE |
AltaLink Telecom Equipment |
9273R Springbank radio to 9286R Cochrane Lake radio repair |
8 Hours
Daily |
|
| 03-Sep-26 08:00 |
03-Sep-26 16:00 |
ALTALINK |
TE |
230s RTU/SCADA (230s Wardlow), AltaLink Telecom Equipment |
upgrading radio hop between 230s Wardlow and 9275R Jenner |
8 Hours
Daily |
|
| 03-Sep-26 08:00 |
08-Sep-26 18:00 |
SUNCOR |
Outage |
635PL7-1000 (635EDD-1000 - 635EDD-1001), 635EDD-1000 635-752-111 (635EDD-1000), 635EDD-1000 635-752-112 (635EDD-1000), 635EDD-1000 635PS-1036 (635EDD-1000) |
planned maintenance of 144 kV breakers 752-111 and 752-112, associated protection and control testing |
130 Hours
Continuous |
|
| 03-Sep-26 08:00 |
03-Sep-26 16:00 |
ENMAX |
TE |
Protection & Control (SS-162) |
relays, lockout testing 162RLY138C60-13 |
8 Hours
Continuous |
|
| 03-Sep-26 08:00 |
04-Sep-26 16:00 |
ALTALINK |
TE |
87s Protection & Control (87s Gaetz) |
urgent repair to replace fiber port on 'A' protection which is currently out of service |
32 Hours
Daily |
|
| 03-Sep-26 09:00 |
04-Sep-26 16:00 |
ATCO |
TE |
951s Protection & Control (951s Thickwood Hills), 951s RTU/SCADA (951s Thickwood Hills) |
configuration change |
31 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 11:00 |
ATCO |
TE |
ATCO Telecom Equipment, 2009s RTU/SCADA (2009s Willow Lake), 977s RTU/SCADA (977s Salt Creek) |
upgrade SALT CREEK 'A' and NET 11 SAR OS TO V21, then V22 |
2 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ALTALINK |
Outage |
535s 6352 (535s Joffre) |
replace 535s6352 failing tank heaters |
8 Hours
Daily |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
720s RTU/SCADA (720s Wabasca) |
configuration change on 1 ION meter |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
729s RTU/SCADA (729s Otauwau) |
configuration change on 2 ION meters |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
732s RTU/SCADA (732s Mitsue) |
configuration change on 4 ION meters |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
735s RTU/SCADA (735s Swan River) |
configuration change on 1 ION meter |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
738s RTU/SCADA (738s Virginia Hills) |
configuration change on 1 ION meter |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
743s RTU/SCADA (743s Sarah Lake) |
configuration change on 1 ION meter
|
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
745s RTU/SCADA (745s Slave Lake) |
configuration change on 1 ION meter |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
787s RTU/SCADA (787s High Prairie) |
configuration change on 2 ION meters |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
851s RTU/SCADA (851s Morse River) |
configuration change on 1 ION meter |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
876s RTU/SCADA (876s Brintnell) |
configuration change on 4 ION meters |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
950s RTU/SCADA (950s Germain) |
configuration change on 1 ION meter |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 17:00 |
ATCO |
TE |
824s RTU/SCADA (824s Fieldgate) |
configuration change on 1 ION mete |
8 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 16:00 |
ATCO |
TE |
ATCO Telecom Equipment |
Highland_S-Telecom- 7750-2 integration, swapping site networking to VPLS 11 |
7 Hours
Continuous |
|
| 03-Sep-26 09:00 |
03-Sep-26 16:00 |
ATCO |
TE |
ATCO Telecom Equipment |
Germain_T-Telecom- 7750-2 integration, swapping site networking to VPLS 11 |
7 Hours
Continuous |
|
| 03-Sep-26 10:00 |
03-Sep-26 12:00 |
ALTALINK |
TE |
AltaLink Telecom Equipment |
update configuration |
2 Hours
Continuous |
|
| 03-Sep-26 12:01 |
03-Sep-26 16:00 |
ENMAX |
Outage |
65B240-D135 (SS-65) |
breaker SF6 gas sample - 65B240-D135 |
3.98 Hours
Continuous |
|
| 04-Sep-26 07:00 |
04-Sep-26 18:00 |
ALTALINK |
Outage |
706L (54s Fort Saskatchewan - 706AL tap), 54s 706N (54s Fort Saskatchewan) |
high load move on 706L crossing under structures 46-47 |
11 Hours
Daily |
|
| 04-Sep-26 07:30 |
04-Sep-26 17:00 |
ALTALINK, EPCOR |
RB |
930L (37s North Calder - Poundmaker) |
aerial washing program |
9.5 Hours
Continuous |
|
| 04-Sep-26 07:30 |
12-Sep-26 09:29 |
ALTALINK |
Outage |
77s 552 (77s Sagitawah) |
protection upgrade 77s552 |
193.98 Hours
Continuous |
|
| 04-Sep-26 08:00 |
06-Sep-26 18:00 |
SUNCOR |
Outage |
29PL7-10 (29EDD-18 Firebag - 29EDD-85), 29EDD-85 752-10010 (29EDD-85), 29EDD-85 752-10030 (29EDD-85), 29EDD-85 29PS-319 (29EDD-85) |
29PL7-10 line repairs |
58 Hours
Continuous |
|
| 04-Sep-26 08:00 |
04-Sep-26 10:00 |
ATCO |
RB |
7L16 (766s Nevis - 948s Heatburg) |
tap up 2000s to 7L16 |
2 Hours
Continuous |
|
| 04-Sep-26 09:00 |
04-Sep-26 16:00 |
ATCO, CNRL |
TE |
838s Protection & Control (838s Horizon Mining), 838s RTU/SCADA (838s Horizon Mining) |
configuration changes |
7 Hours
Continuous |
|
| 04-Sep-26 09:00 |
04-Sep-26 13:00 |
ATCO |
Outage |
7L68 (730s Rycroft - 811s Clairmont Lake), 811s 707 (811s Clairmont Lake), 730s 704 (730s Rycroft) |
emergency outage to repair structures 508 and 509 |
4 Hours
Continuous |
|
| 04-Sep-26 10:00 |
04-Sep-26 12:59 |
SUNCOR |
Outage |
29EDD-1 29EDD1s1252 (29EDD-1 Millennium) |
PRC-005 trip testing, keeping 6L32 online
|
2.98 Hours
Continuous |
|
| 04-Sep-26 13:00 |
04-Sep-26 16:00 |
SUNCOR |
Outage |
29EDD-1 29EDD1s1352 (29EDD-1 Millennium) |
PRC-005 trip testing, keeping 6L32 online |
3 Hours
Continuous |
|
| 05-Sep-26 08:00 |
06-Sep-26 19:00 |
ATCO, CNRL |
RB |
9L66 (838s Horizon Mining - 847s Muskeg River) |
installing aerial markers on 9L32/66 at str span 176-177 |
35 Hours
Continuous |
|
| 05-Sep-26 08:00 |
06-Sep-26 19:00 |
ATCO, CNRL |
RB |
9L32 (838s Horizon Mining - 941s Bitumount) |
installing aerial markers on 9L32/66 at str span 176-177 |
35 Hours
Daily |
|
| 05-Sep-26 08:00 |
05-Sep-26 16:00 |
ENMAX |
Outage |
6.80L (SS-6 - SS-35), 6B138-6.80 (SS-6) |
distribution crew working under 6.80L doing salvage work |
8 Hours
Continuous |
|
| 06-Sep-26 07:00 |
07-Sep-26 07:30 |
ALTALINK |
Outage |
708AL (388s Riverside - 708L tap), 388s 708A (388s Riverside) |
maintenance.
|
24.5 Hours
Continuous |
|
| 06-Sep-26 07:30 |
08-Sep-26 19:30 |
ALTALINK |
RB |
12s 152 (12s Heartland), 12s 252 (12s Heartland) |
installing aerial markers on 12L70/85 at str span 3-4. |
60 Hours
Continuous |
|
| 06-Sep-26 07:30 |
08-Sep-26 19:30 |
ALTALINK |
RB |
12s 652 (12s Heartland), 12s 752 (12s Heartland) |
installing aerial markers on 12L70/85 at str span 3-4. |
60 Hours
Continuous |
|
| 06-Sep-26 08:00 |
12-Sep-26 20:00 |
SUNCOR |
TE |
29EDD-1 952-106 (29EDD-1 Millennium), 29EDD-1 952-103 (29EDD-1 Millennium), 29EDD-1 29EDD1s652 (29EDD-1 Millennium), 29EDD-1 29EDD1s352 (29EDD-1 Millennium), 29EDD-1 29EDD1s852 (29EDD-1 Millennium) |
prc 005 - relay test |
156 Hours
Continuous |
|
| 06-Sep-26 08:00 |
08-Sep-26 19:00 |
ATCO, ALTALINK |
RB |
12L70 (12s Heartland - 2029s Heathfield) |
installing aerial markers on 12L70/85 at str span 3-4 |
59 Hours
Continuous |
|
| 06-Sep-26 08:00 |
08-Sep-26 19:00 |
ATCO, ALTALINK |
RB |
12L85 (12s Heartland - 2029s Heathfield) |
installing aerial markers on 12L70/85 at str span 3-4 |
59 Hours
Continuous |
|
| 06-Sep-26 08:00 |
20-Sep-26 19:00 |
ATCO |
RB |
13L50 (2029s Heathfield - 2075s Newell) |
installing SVDs from str 1-775, then 975-1387 |
347 Hours
Continuous |
|
| 06-Sep-26 08:00 |
06-Sep-26 18:00 |
ENMAX |
Outage |
40.81L (SS-40 - SS-41), 40.2TR (SS-40) |
broken braid Center phase |
10 Hours
Continuous |
|
| 07-Sep-26 08:00 |
18-Sep-26 16:00 |
Syncrude |
Outage |
Mildred T19 (Syncrude Mildred Lake), 1935 (Syncrude Mildred Lake) |
complete bus 19 6-year PM |
320 Hours
Continuous |
|
| 07-Sep-26 08:00 |
08-Sep-26 16:00 |
SUNCOR |
Outage |
29EDD-85 29PS-320 (29EDD-85) |
Firebag - replace insulators on 29PL7-7 |
32 Hours
Continuous |
|
| 08-Sep-26 06:00 |
11-Sep-26 19:00 |
ALTALINK |
RB |
610L (83s Taber - 336s Fincastle) |
install temporary understrung line, stringing wire, Fortis 83s15L is understrung on 610L |
85 Hours
Daily |
|
| 08-Sep-26 07:00 |
23-Oct-26 17:00 |
EPCOR |
Outage |
805s T4 (805s Jasper), EP 805s J2405 (EP 805s Jasper), EP 805s J2406 (EP 805s Jasper), EP 805s JAB4 (EP 805s Jasper) |
replacement LCR Jasper J2406/JDS10 |
1,090 Hours
Continuous |
|
| 08-Sep-26 07:00 |
04-Oct-26 17:00 |
EPCOR |
Outage |
72KN23 (Kennedale - Namao) |
UGT oil degasification project |
634 Hours
Continuous |
|
| 08-Sep-26 07:00 |
09-Sep-26 17:00 |
ALTALINK, EPCOR |
RB |
746AL (524s Owens Corning - 746L tap) |
aerial washing program |
34 Hours
Continuous |
|
| 08-Sep-26 07:00 |
12-Sep-26 17:00 |
EPCOR |
Outage |
987s GT2 (987s Clover Bar) |
maintenance |
106 Hours
Continuous |
|
| 08-Sep-26 07:00 |
11-Sep-26 18:00 |
ALTALINK, BCH |
RB |
1201L (520s Bennett - BCH Cranbrook) |
conductor inspection on str 21-22, 50-51, 187-188, 279-280 |
83 Hours
Continuous |
AB-BC |
| 08-Sep-26 07:00 |
13-Sep-26 17:00 |
EPCOR |
Outage |
T4 (Poundmaker), 72PM25 (Poundmaker - Meadowlark), PM2402 (Poundmaker), PM2403 (Poundmaker), PM721 (Poundmaker) |
doble Poundmaker TX4 |
130 Hours
Continuous |
|
| 08-Sep-26 07:00 |
08-Sep-26 17:00 |
ENMAX, ALTALINK |
Outage |
1065L (74s Janet - 102s Langdon), 1064L (74s Janet - 102s Langdon), 102s 1064 (102s Langdon), 74s 1064 (74s Janet), 102s 1065 (102s Langdon), 74s 1065 (74s Janet) |
fall transmission pothead washing |
10 Hours
Continuous |
|
| 08-Sep-26 07:00 |
08-Sep-26 17:00 |
ENMAX, ALTALINK |
IO |
1064L (74s Janet - 102s Langdon) |
fall transmission pothead washing |
10 Hours
Continuous |
|
| 08-Sep-26 07:00 |
08-Sep-26 17:00 |
ALTALINK, ENMAX |
IO |
102s 7452 (102s Langdon), 102s 7352 (102s Langdon), 74s 2852 (74s Janet), 74s 2752 (74s Janet), 1064L (74s Janet - 102s Langdon) |
ENMAX fall transmission pothead washing |
10 Hours
Continuous |
|
| 08-Sep-26 07:00 |
13-Sep-26 17:00 |
ALTALINK |
TE |
77s RTU/SCADA (77s Sagitawah) |
RTU database update |
130 Hours
Daily |
|
| 08-Sep-26 07:00 |
08-Sep-26 17:00 |
ALTALINK, ENMAX |
IO |
102s 6752 (102s Langdon), 102s 6852 (102s Langdon), 74s 3752 (74s Janet), 74s 3852 (74s Janet), 1065L (74s Janet - 102s Langdon) |
ENMAX fall transmission pothead washing |
10 Hours
Continuous |
|
| 08-Sep-26 07:00 |
18-Dec-26 17:00 |
EPCOR |
TE |
EP 803s Protection & Control (EP 803s Lambton) |
protection blocking, DFR upgrade cutovers and commissioning |
2,435 Hours
Continuous |
|
| 08-Sep-26 07:30 |
09-Sep-26 17:00 |
ALTALINK |
RB |
731L (38s East Edmonton - 746L tap), 746BL (337s Canadian Liquid Air - 746L tap) |
aerial washing program |
33.5 Hours
Continuous |
|
| 08-Sep-26 08:00 |
13-Nov-26 17:00 |
ALTALINK, REDDEER |
Outage |
464L (87s Gaetz - 209s Timberlands), 209s 464E (209s Timberlands) |
P&C panel replacements, 138 kV bus and line arrestor testing, transformer testing |
1,594 Hours
Continuous |
|
| 08-Sep-26 08:00 |
11-Sep-26 16:00 |
ATCO |
Outage |
7L228 (845s Big Mountain - 7L20 tap), 2091s 7L228D3 (2091s Thornton) |
7L228D2 line switch failure replacement, remove 7L228D2 and jumper out permanently, rename 7L228D3 to D2 |
80 Hours
Continuous |
|
| 08-Sep-26 08:00 |
13-Sep-26 16:00 |
ATCO, CNRL |
Outage |
75-PLH-903 (838s Horizon Mining - 842s Horizon Upgrading), 842s 75-1902 (842s Horizon Upgrading), 842s 75-1903 (842s Horizon Upgrading), 838s 75-BC-1911 (838s Horizon Mining), 838s 75-BC-1918 (838s Horizon Mining) |
5YR PMs of breakers, disconnects, and protective relays |
128 Hours
Continuous |
|
| 08-Sep-26 08:00 |
11-Sep-26 16:00 |
ALTALINK |
TE |
58s Protection & Control (58s Edson) |
protection outages on A87B/138-A,B,C and B138B B87/138B - settings changes and testing associated with T1 replacement |
80 Hours
Daily |
|
| 08-Sep-26 08:00 |
08-Sep-26 12:00 |
ENMAX |
Outage |
1.80L (SS-1 - SS-28), 28.1TR (SS-28) |
substation washing and switch check |
4 Hours
Continuous |
|
| 08-Sep-26 08:00 |
09-Sep-26 16:00 |
ENMAX |
Outage |
2.83L (SS-5 - 2.83L tap), 2.83L (SS-2 - 2.83L tap), 2.83L (SS-13 - 2.83L tap), 5B138-2.83 (SS-5), 13B138-2.83 (SS-13) |
cable sheath test |
32 Hours
Continuous |
|
| 08-Sep-26 08:00 |
18-Sep-26 16:00 |
Syncrude |
Outage |
AL-2 (Aurora - D05 Syncrude), D05 512 (D05), D05 511 (D05), 223 (Aurora), 222 (Aurora) |
installing a 260kV power line as a temp bypass for future work and this outage is required to tie in the OPGW running on AL-2 |
248 Hours
Continuous |
|
| 08-Sep-26 08:00 |
09-Sep-26 20:00 |
SUNCOR |
TE |
29EDD-56 29PT-190 (29EDD-56) |
29EDD-56 29PT-190 AVR relay replacement - 31795517
|
36 Hours
Continuous |
|
| 08-Sep-26 08:00 |
11-Sep-26 16:00 |
ALTALINK |
TE |
388s Protection & Control (388s Riverside) |
setting change on A87/21/96/L1 and B21/96/L1 for SCADA upgrade |
80 Hours
Daily |
|
| 08-Sep-26 08:00 |
08-Sep-26 16:00 |
ALTALINK |
TE |
538s RTU/SCADA (538s Buford), AltaLink Telecom Equipment |
perform radio maintenance |
8 Hours
Daily |
|
| 08-Sep-26 08:00 |
10-Sep-26 16:00 |
ALTALINK |
TE |
123s Protection & Control (123s Banff) |
settings changes to facilitate mobile installation, add trip circuit from mobile to s551W |
56 Hours
Daily |
|
| 08-Sep-26 08:00 |
09-Sep-26 16:00 |
ENMAX |
Outage |
41.1TR (SS-41) |
tap changer inspection and oil filtration maintenance - 41.1-TC |
32 Hours
Continuous |
|
| 08-Sep-26 08:00 |
08-Sep-26 16:00 |
ENMAX |
TE |
Protection & Control (SS-162) |
162 sub BF-15 86 protection outage - relays, lockout testing 162RLY138C60-15 |
8 Hours
Continuous |
|
| 08-Sep-26 08:00 |
09-Sep-26 16:00 |
ENMAX |
TE |
Protection & Control (SS-5) |
5 sub zone 33 138 kV bus differential protection outage - relay protection test - 5RLY138-5.Z33 |
32 Hours
Continuous |
|
| 08-Sep-26 09:00 |
13-Nov-26 17:00 |
ALTALINK, REDDEER |
Outage |
768L (209s Timberlands - 217s North Red Deer), 209s T1 (209s Timberlands), 217s 768 (217s North Red Deer), 209s 768W (209s Timberlands) |
P&C panel replacements, 138 kV bus and line arrestor testing, transformer testing |
1,593 Hours
Continuous |
|
| 08-Sep-26 09:00 |
08-Sep-26 10:00 |
ATCO |
TE |
ATCO Telecom Equipment, 735s RTU/SCADA (735s Swan River) |
upgrading Swan Dive SAR OS TO V21, thenN 22 |
1 Hour
Continuous |
|
| 08-Sep-26 09:00 |
09-Sep-26 17:30 |
ALTALINK |
Outage |
1202L (89s Ellerslie - 320p Keephills) |
transmission line maintenance |
32.5 Hours
Continuous |
|
| 08-Sep-26 09:00 |
08-Sep-26 17:00 |
ATCO |
TE |
832s RTU/SCADA (832s Blumenort), ATCO Telecom Equipment |
firewall issues - replace existing 1200 with new 1575R |
8 Hours
Continuous |
|
| 08-Sep-26 09:30 |
21-Sep-26 17:30 |
ATCO |
Outage |
766s 701T (766s Nevis) |
2026 apparatus leak repairs - 701T bushing replacements at 766s Nevis, transformer maintenance
|
320 Hours
Continuous |
|
| 08-Sep-26 09:30 |
05-Oct-26 12:00 |
ATCO |
Outage |
7L170 (875s Algar - 2011s Dawes), 7L38 (875s Algar - 917s Horse River), 875s 701T (875s Algar), 875s 701 (875s Algar), 875s 702 (875s Algar), 875S 701TCS (875s Algar) |
replace 701TCS + SCADA / protection upgrade |
650.5 Hours
Continuous |
|
| 08-Sep-26 09:30 |
05-Oct-26 17:30 |
ATCO |
TE |
875s Protection & Control (875s Algar) |
replace 701TCS and SCADA / protection upgrade
|
656 Hours
Continuous |
|
| 08-Sep-26 09:30 |
05-Oct-26 17:30 |
ATCO |
TE |
917s Protection & Control (917s Horse River) |
replace 701TCS and SCADA / protection upgrade at 875s |
656 Hours
Continuous |
|
| 08-Sep-26 09:30 |
05-Oct-26 17:30 |
ATCO |
TE |
2011s Protection & Control (2011s Dawes) |
replace 701TCS and SCADA / protection upgrade at 875s |
656 Hours
Continuous |
|
| 08-Sep-26 10:00 |
10-Sep-26 15:00 |
ATCO |
Outage |
754s 702C (754s Ksituan River) |
breaker testing and trip coil test |
53 Hours
Continuous |
|
| 08-Sep-26 10:00 |
08-Sep-26 11:00 |
ATCO |
TE |
ATCO Telecom Equipment, 769s RTU/SCADA (769s Stettler) |
upgrading Lonepine 'A' SAR to V21, then V22 |
1 Hour
Continuous |
|
| 08-Sep-26 10:00 |
08-Sep-26 17:00 |
ALTALINK |
Outage |
525s 851X (525s Carseland), 525s Protection & Control (525s Carseland) |
troubleshoot recloser initiating circuit off of the B protection. check circuit wiring and make the appropriate changes. |
7 Hours
Continuous |
|
| 08-Sep-26 10:00 |
08-Sep-26 16:00 |
ATCO |
TE |
951s RTU/SCADA (951s Thickwood Hills), ATCO Telecom Equipment |
7750-2 integration - swapping site networking to VPLS 11 |
6 Hours
Continuous |
|
| 08-Sep-26 10:00 |
08-Sep-26 16:00 |
ALTALINK |
TE |
APS# 180 879L Overload Mitigation Scheme |
protection outage on RAS180 A protection relay to complete the telecom salvage for the SubLan upgrade project |
6 Hours
Continuous |
|
| 08-Sep-26 10:30 |
10-Sep-26 15:30 |
ATCO, ALTALINK |
RB |
199L (347s AML Fox Creek - 741s ATC Fox Creek) |
14 red tag pole change program |
53 Hours
Continuous |
|
| 08-Sep-26 11:00 |
10-Sep-26 15:00 |
ATCO, ALTALINK |
RB |
7L199 (347s AML Fox Creek - 741s ATC Fox Creek) |
14 red tag pole change program |
52 Hours
Continuous |
|
| 08-Sep-26 11:00 |
08-Sep-26 16:00 |
ALTALINK |
TE |
370s Protection & Control (370s North Lethbridge) |
PRC and standard maintenance |
5 Hours
Continuous |
|
| 08-Sep-26 12:00 |
10-Sep-26 17:30 |
ATCO |
TE |
963s Protection & Control (963s Coyote Lake) |
update RAS 203 both A and B relay settings |
53.5 Hours
Continuous |
|
| 08-Sep-26 12:00 |
11-Sep-26 12:00 |
ATCO |
TE |
754S 500D1 (754s Ksituan River), 754s RTU/SCADA (754s Ksituan River), 754s Protection & Control (754s Ksituan River) |
preparation for 500D1 replacement on Sep 12 (ref 2-108994) - disabling all electrical circuits to MOD cabinet - AC/DC panels, 87TB/703T relay, and RTU
|
72 Hours
Continuous |
|
| 08-Sep-26 12:01 |
08-Sep-26 18:00 |
ENMAX, ALTALINK |
Outage |
28.80L (42s Sarcee - SS-28), 28.2TR (SS-28), 28B138-28.80 (SS-28), 28MD138-28.2TR (SS-28), SW82 (SS-28) |
fall substation washing, reversing switch check - 28.2-TC |
5.98 Hours
Continuous |
|
| 08-Sep-26 12:01 |
08-Sep-26 18:00 |
ENMAX, ALTALINK |
IO |
28.80L (42s Sarcee - SS-28) |
ENMAX - fall substation washing, reversing switch check - 28.2-TC |
5.98 Hours
Continuous |
|
| 08-Sep-26 12:30 |
11-Sep-26 17:00 |
ALTALINK |
Outage |
370s T3 (370s North Lethbridge), 370s 2152 (370s North Lethbridge) |
leak repair, major TC maintenance PRC5 |
76.5 Hours
Continuous |
|
| 08-Sep-26 14:00 |
10-Sep-26 16:30 |
ALTALINK |
Outage |
283s T1 (283s Violet Grove) |
transformer maintenance |
50.5 Hours
Continuous |
|
| 08-Sep-26 23:00 |
10-Sep-26 07:00 |
ALTALINK, TRANSALTA |
Outage |
250p T2 (250p Bighorn Plant) |
maintenance |
8 Hours
Continuous |
|
| 09-Sep-26 06:00 |
09-Sep-26 17:00 |
ATCO |
TE |
ATCO RTU/SCADA |
SOC2 backup control centre activation |
11 Hours
Continuous |
|
| 09-Sep-26 06:00 |
09-Sep-26 18:00 |
ALTALINK |
Outage |
77s 48 (77s Sagitawah) |
trip testing 77s48
|
12 Hours
Daily |
|
| 09-Sep-26 06:30 |
09-Sep-26 18:00 |
ATCO, ALTALINK |
RB |
9L938 (77s Sagitawah - 809s Louise Creek) |
AltaLink work at 77s |
11.5 Hours
Continuous |
|
| 09-Sep-26 07:00 |
10-Sep-26 07:00 |
ALTALINK, TRANSALTA |
Outage |
250p T1 (250p Bighorn Plant), 250p 1 (250p Bighorn Plant) |
maintenance |
24 Hours
Continuous |
|
| 09-Sep-26 07:00 |
09-Sep-26 17:00 |
EPCOR |
Outage |
72RW3 (Rossdale - Woodcroft), RW727 (Rossdale), W725 (Woodcroft) |
RW727 repair |
10 Hours
Continuous |
|
| 09-Sep-26 07:00 |
09-Sep-26 17:00 |
ENMAX, ALTALINK |
IO |
1064L (74s Janet - 102s Langdon), 102s 7452 (102s Langdon), 102s 7352 (102s Langdon), 74s 2852 (74s Janet), 74s 2752 (74s Janet) |
fall transmission pothead washing |
10 Hours
Continuous |
|
| 09-Sep-26 07:00 |
09-Sep-26 17:00 |
ENMAX, ALTALINK |
IO |
1065L (74s Janet - 102s Langdon), 102s 6752 (102s Langdon), 102s 6852 (102s Langdon), 74s 3752 (74s Janet), 74s 3852 (74s Janet) |
fall transmission pothead washing |
10 Hours
Continuous |
|
| 09-Sep-26 07:00 |
09-Sep-26 17:00 |
ALTALINK |
TE |
77s Protection & Control (77s Sagitawah) |
breaker fail trip testing 77s48 |
10 Hours
Daily |
|
| 09-Sep-26 07:30 |
10-Sep-26 16:30 |
ATCO, ALTALINK |
RB |
7L129 (526s Buffalo Creek - 7LA129 tap) |
installing marker cones on 7L65 OPGW, str 1-2 |
33 Hours
Continuous |
|
| 09-Sep-26 08:00 |
11-Sep-26 18:00 |
SUNCOR |
Outage |
29EDD-18 29PT-100 (29EDD-18 Firebag), 29EDD-18 29-752-102 (29EDD-18 Firebag), 29EDD-18 29-752-103 (29EDD-18 Firebag), 29EDD-18 29PS-0059 (29EDD-18 Firebag) |
replacement M6707
|
58 Hours
Continuous |
|
| 09-Sep-26 08:00 |
14-Sep-26 13:00 |
ATCO |
RB |
7L760 (767s Oyen - 7LC760 tap) |
installing interphase spacers on 7L760 live line |
144 Hours
Continuous |
|
| 09-Sep-26 08:00 |
14-Sep-26 13:00 |
ALTALINK |
RB |
760L (163s Amoco Empress - 760AL tap) |
installing interphase spacers on 7L760 live line |
125 Hours
Continuous |
|
| 09-Sep-26 08:00 |
01-Oct-26 20:00 |
SUNCOR |
Outage |
29EDD-61 29PT-653 (29EDD-61 Stony Island) |
IPB low pressure |
612 Hours
Continuous |
|
| 09-Sep-26 08:00 |
09-Sep-26 16:00 |
ENMAX, ALTALINK |
IO |
1064L (74s Janet - 102s Langdon) |
fall transmission pothead washing |
8 Hours
Continuous |
|
| 09-Sep-26 08:00 |
09-Sep-26 16:00 |
ENMAX, ALTALINK |
Outage |
1065L (74s Janet - 102s Langdon), 1064L (74s Janet - 102s Langdon), 102s 1064 (102s Langdon), 102s 1065 (102s Langdon), 74s 1064 (74s Janet), 74s 1065 (74s Janet) |
fall transmission pothead washing |
8 Hours
Continuous |
|
| 09-Sep-26 08:00 |
10-Sep-26 16:00 |
ATCO, ALTALINK |
RB |
7L129 (710s Vermilion - 7LA129 tap), 7L129 (526s Buffalo Creek - 7LA129 tap) |
installing marker cones on 7L65 OPGW, str 1-2 |
32 Hours
Continuous |
|
| 09-Sep-26 08:00 |
10-Sep-26 16:00 |
ALTALINK |
TE |
283s RTU/SCADA (283s Violet Grove) |
RTU database update |
32 Hours
Daily |
|
| 09-Sep-26 08:00 |
10-Sep-26 16:00 |
ATCO |
Outage |
7L65 (710s Vermilion - 7LA65 tap) |
Installing marker cones on 7L65 OPGW, str 1-2 |
32 Hours
Continuous |
|
| 09-Sep-26 08:00 |
10-Sep-26 16:00 |
ALTALINK |
TE |
AltaLink Telecom Equipment, AML 511s RTU/SCADA (AML 511s Crossings) |
firewall upgrade, MPLS 7705 node firmware upgrade, RAW socket conversion |
32 Hours
Daily |
|
| 09-Sep-26 08:00 |
10-Sep-26 16:00 |
ALTALINK |
TE |
238s RTU/SCADA (238s Shell Harmattan) |
assist telecom with intermittent loss of visibility, replace equipment on Sep 10 |
8 Hours
Daily |
|
| 09-Sep-26 08:00 |
09-Sep-26 16:00 |
ALTALINK |
TE |
AltaLink Telecom Equipment |
MDS maintenance |
8 Hours
Daily |
|
| 09-Sep-26 08:00 |
09-Sep-26 16:00 |
ALTALINK |
TE |
373s RTU/SCADA (373s Madden) |
assist telecom with intermittent loss of visibility |
8 Hours
Continuous |
|
| 09-Sep-26 08:00 |
09-Sep-26 16:00 |
ENMAX |
TE |
Protection & Control (SS-162) |
162sub BF-4 86 protection outage - relays, lockout testing 162RLY138C60-6 |
8 Hours
Continuous |
|
| 09-Sep-26 08:00 |
10-Sep-26 16:00 |
ENMAX |
TE |
Protection & Control (SS-36) |
36 sub autoswitching protection outage - relay protection test - 36RLY138-36.ASW |
32 Hours
Daily |
|
| 09-Sep-26 09:00 |
09-Sep-26 11:00 |
ATCO |
TE |
ATCO Telecom Equipment, 939s RTU/SCADA (939s Livock) |
upgrading 'A' SAR and NET 11 SARS at LIVOCK sub to V21, then V22
2
|
2 Hours
Continuous |
|
| 09-Sep-26 09:00 |
11-Sep-26 15:00 |
ATCO |
Outage |
905s 701 (905s Meikle) |
south phase repairs, SF6 GL312 testing |
54 Hours
Continuous |
|
| 09-Sep-26 09:00 |
09-Sep-26 16:00 |
ATCO |
Outage |
7L93 (828s Sulphur Point - 930s Arcenciel) |
for telecom outage 1-00517340 |
7 Hours
Continuous |
|
| 09-Sep-26 09:00 |
11-Sep-26 17:00 |
BCH |
RB |
5L91 (BCH Ashton Creek - BCH Selkirk) |
ANRP for mechanical tree removal along 5L091 from 7-03 to 8-01 |
56 Hours
Continuous |
AB-BC |
| 09-Sep-26 10:00 |
10-Sep-26 16:00 |
ATCO |
TE |
825s Protection & Control (825s Whitefish Lake), 825s Whitefish Lake RTU/SCADA |
configuration change |
30 Hours
Continuous |
|
| 09-Sep-26 10:00 |
09-Sep-26 12:00 |
ENMAX |
TE |
ENMAX EMS/ICCP Outage |
ENMAX control centre is updating its SCADA system |
2 Hours
Continuous |
|
| 10-Sep-26 07:00 |
10-Sep-26 17:00 |
ALTALINK, EPCOR |
RB |
909L (89s Ellerslie - 665s Dome) |
909LE - aerial washing program |
10 Hours
Continuous |
|
| 10-Sep-26 07:00 |
10-Sep-26 17:30 |
ALTALINK, EPCOR |
RB |
909L (89s Ellerslie - 665s Dome) |
909LE - aerial washing program |
10.5 Hours
Continuous |
|
| 10-Sep-26 07:00 |
11-Sep-26 17:00 |
ALTALINK |
TE |
77s Protection & Control (77s Sagitawah) |
protection outages for trip testing, redundant protections in place at all times |
34 Hours
Daily |
|
| 10-Sep-26 07:30 |
12-Sep-26 19:30 |
ATCO, ALTALINK |
RB |
966L (650s Hansman Lake - 932s Pemukan) |
installing marker cones on 9L966 at str spans 72, 73, 81 |
60 Hours
Continuous |
|
| 10-Sep-26 08:00 |
22-Sep-26 16:00 |
ALTALINK |
TE |
58s RTU/SCADA (58s Edson) |
update RTU/HMI configuration for the new T1 alarms/metering/controls |
296 Hours
Daily |
|
| 10-Sep-26 08:00 |
10-Sep-26 17:30 |
ALTALINK, EPCOR |
Outage |
1209L (89s Ellerslie - 330p Genesee), 89s 2152 (89s Ellerslie), 89s 2052 (89s Ellerslie), 89s 2989 (89s Ellerslie), 89s 2889 (89s Ellerslie), 330p 1208 (330p Genesee), 330p 1209 (330p Genesee), 330p 1209LD (330p Genesee) |
1209L structure 45 and 145, change saddles and pins. |
9.5 Hours
Continuous |
|
| 10-Sep-26 08:00 |
12-Sep-26 19:00 |
ATCO |
RB |
9L46 (932s Pemukan - 959s Lanfine) |
installing marker Cones at str span 195 |
59 Hours
Continuous |
|
| 10-Sep-26 08:00 |
12-Sep-26 19:00 |
ATCO, ALTALINK |
RB |
9L966 (650s Hansman Lake - 932s Pemukan) |
installing marker cones on 9L966 at str spans 72, 73, 81 |
59 Hours
Continuous |
|
| 10-Sep-26 08:00 |
10-Sep-26 12:00 |
ENMAX |
Outage |
16.60L (SS-16 - SS-34), 34.2TR (SS-34), 34B69-16.60 (SS-34), 34MD69-34.2TR (SS-34), SW64 (SS-34) |
fall substation washing |
4 Hours
Continuous |
|
| 10-Sep-26 08:00 |
11-Sep-26 16:00 |
ENMAX |
Outage |
2.82L (SS-2 - SS-5) |
transmission - XLPE cable sheath test |
32 Hours
Continuous |
|
| 10-Sep-26 08:00 |
10-Sep-26 17:30 |
ALTALINK, EPCOR |
Outage |
1209L (89s Ellerslie - 330p Genesee) |
AltaLink Changing Saddles and Pins at Structures 45 and 145 on the 1209L. |
9.5 Hours
Continuous |
|
| 10-Sep-26 08:00 |
10-Sep-26 16:00 |
ENMAX |
Outage |
8B138-7A0 (SS-8) |
substation - breaker trip circuit test |
8 Hours
Continuous |
|
| 10-Sep-26 08:00 |
10-Sep-26 16:00 |
ENMAX |
TE |
Protection & Control (SS-162) |
162sub BF-5 86 protection outage - relays, lockout testing 162RLY138C60-7 |
8 Hours
Continuous |
|
| 10-Sep-26 08:00 |
12-Sep-26 16:00 |
Syncrude |
TE |
Aurora RTU/SCADA (Aurora) |
downloads to the RTU for updated configurations |
56 Hours
Continuous |
|
| 10-Sep-26 08:00 |
10-Sep-26 16:00 |
ENMAX |
Outage |
20.1TR (SS-20) |
20.1TR broken oil temperature probe |
8 Hours
Continuous |
|
| 10-Sep-26 09:00 |
10-Sep-26 17:00 |
ALTALINK |
Outage |
338s 552 (338s Cherhill) |
338s552 breaker maintenance & first trip |
8 Hours
Daily |
|
| 10-Sep-26 09:00 |
10-Sep-26 16:00 |
ATCO |
TE |
ATCO Telecom Equipment |
Blumenort_S-Telecom- 7750-2 integration, swapping site networking to VPLS 11 |
7 Hours
Continuous |
|
| 10-Sep-26 09:00 |
10-Sep-26 16:00 |
ATCO |
TE |
ATCO Telecom Equipment |
Tinchebray_T-Telecom- 7750-2 integration, swapping site networking to VPLS 11 |
7 Hours
Continuous |
|
| 10-Sep-26 10:00 |
10-Sep-26 16:00 |
ALTALINK |
Outage |
123s551W (123s Banff) |
connect trips from mobile |
6 Hours
Continuous |
|
| 10-Sep-26 10:00 |
10-Sep-26 16:00 |
ATCO |
TE |
972s RTU/SCADA (972s Tinchebray), ATCO Telecom Equipment |
replace telecom switch |
6 Hours
Continuous |
|
| 10-Sep-26 12:01 |
10-Sep-26 18:00 |
ENMAX |
Outage |
21.61L (SS-21 - SS-34), 34.1TR (SS-34), SW63 (SS-34), 34MD69-34.1TR (SS-34), 34B69-21.61 (SS-34) |
fall substation washing |
5.98 Hours
Continuous |
|
| 10-Sep-26 13:00 |
11-Sep-26 11:30 |
ALTALINK |
Outage |
123s T2 (123s Banff) |
connect 474s LV cables and create open point 'C' |
22.5 Hours
Continuous |
|
| 11-Sep-26 06:00 |
11-Sep-26 18:00 |
ALTALINK |
Outage |
77s 252 (77s Sagitawah) |
SCADA visibility upgrades |
12 Hours
Daily |
|
| 11-Sep-26 07:00 |
11-Sep-26 17:00 |
ALTALINK, EPCOR |
RB |
909L (310p Sundance - 665s Dome) |
909LW - aerial washing program |
10 Hours
Continuous |
|
| 11-Sep-26 07:00 |
11-Sep-26 17:30 |
ALTALINK, EPCOR |
RB |
909L (310p Sundance - 665s Dome) |
909LW - aerial washing program |
10.5 Hours
Continuous |
|
| 11-Sep-26 07:00 |
22-Sep-26 15:00 |
ALTALINK |
Outage |
133s T2 (133s Stelco Edmonton), 133s T1 (133s Stelco Edmonton) |
replace 133s7 |
272 Hours
Continuous |
|
| 11-Sep-26 07:15 |
11-Sep-26 18:00 |
ALTALINK |
Outage |
838L (14s Devon - 325s Leduc), 14s 838X (14s Devon), 325s 838 (325s Leduc) |
transmission line maintenance |
10.75 Hours
Daily |
|
| 11-Sep-26 07:30 |
11-Sep-26 16:30 |
ALTALINK |
RB |
54AL (29s Cascade - 54L tap), 54L (118s Canmore - 85L tap), 54L (123s Banff - 177s West Cascade), 54L (177s West Cascade - 54AL tap), 85L (35s Rundle Plant - 54L tap) |
install 474s mobile at 123s for urgent transformer testing and bushing replacement - connect 474s to 54L using live line technique and create Open Point 'A' |
9 Hours
Continuous |
|
| 11-Sep-26 08:00 |
14-Sep-26 16:00 |
ATCO, CNRL |
IO |
838s 75-SD-901 (838s Horizon Mining) |
SEL-411L firmware update and testing, and breaker and disconnect testing |
80 Hours
Continuous |
|
| 11-Sep-26 08:00 |
14-Sep-26 16:00 |
ATCO, CNRL |
Outage |
838s 904 (838s Horizon Mining), 838s 901 (838s Horizon Mining), 838s 75-SD-902 (838s Horizon Mining) |
isolation |
80 Hours
Continuous |
|
| 11-Sep-26 08:00 |
11-Sep-26 12:00 |
ENMAX |
Outage |
16.61L (SS-16 - SS-27), 27.1TR (SS-27), 27B69-16.61 (SS-27), SW64 (SS-27) |
fall substation washing |
4 Hours
Continuous |
|
| 11-Sep-26 08:00 |
11-Sep-26 16:00 |
ALTALINK |
TE |
86s RTU/SCADA (86s Bigstone), AltaLink Telecom Equipment |
firewall upgrade, MPLS 7705 node firmware upgrade |
8 Hours
Daily |
|
| 11-Sep-26 08:00 |
11-Sep-26 17:00 |
ALTALINK |
TE |
29s RTU/SCADA (29s Cascade), AltaLink Telecom Equipment |
MPLS firmware upgrade |
9 Hours
Daily |
|
| 11-Sep-26 08:00 |
11-Sep-26 16:00 |
ATCO, CNRL |
TE |
838s Protection & Control (838s Horizon Mining) |
relay firmware upgrade and testing in coordination with CNRL during outage 2-110372/1-00529952 |
8 Hours
Continuous |
|
| 11-Sep-26 09:00 |
11-Sep-26 10:00 |
ATCO |
TE |
ATCO Telecom Equipment |
upgrading Mannville 'a' SAR OS to v21, then v22
impact to the following traffic for up to 1 hour:
710S scada
705S scada |
1 Hour
Continuous |
|
| 11-Sep-26 10:00 |
11-Sep-26 11:59 |
SUNCOR |
Outage |
29EDD-1 952-103 (29EDD-1 Millennium) |
29EDD1 / X260B1 south bus PRC-005 / relay test - trip open 952-103 (29EDD-1 Millennium) - 450338059
In conjunction with outage 1-00529405 |
1.98 Hours
Continuous |
|
| 11-Sep-26 11:00 |
11-Sep-26 16:29 |
ALTALINK |
Outage |
123s 54E (123s Banff), 123s T3 (123s Banff) |
advice required to create Open Point 'D' using live line methods. |
5.48 Hours
Continuous |
|
| 11-Sep-26 12:00 |
11-Sep-26 13:59 |
SUNCOR |
Outage |
29EDD-1 952-106 (29EDD-1 Millennium) |
29EDD1 / X260B1 south bus PRC-005 / relay test - trip open 952-106 (29EDD-1 Millennium) - 450338059
In conjunction with outage 1-00529405, following outage 1-00529407 |
1.98 Hours
Continuous |
|
| 11-Sep-26 12:00 |
11-Sep-26 18:00 |
ENMAX |
Outage |
27.2TR (SS-27), 13.60L (SS-13 - SS-27), 27B69-13.60 (SS-27), 27MD69-27.2TR (SS-27), SW65 (SS-27) |
fall substation washing. reversing switch check - 27.2-TC |
6 Hours
Continuous |
|
| 11-Sep-26 14:00 |
11-Sep-26 16:00 |
SUNCOR |
Outage |
29EDD-1 29EDD1s652 (29EDD-1 Millennium) |
29EDD1 / X260B1 south bus PRC-005 / relay test - trip open 29EDD1s652 (29EDD-1 Millennium) - 450338059
In conjunction with outage 1-00529405, following outage 1-00529409 |
2 Hours
Continuous |
|
| 11-Sep-26 16:30 |
18-Sep-26 08:30 |
ALTALINK |
Outage |
123s T3 (123s Banff) |
test T3 and replace bushings. 474s mobile will bypass T3. |
160 Hours
Continuous |
|