Alberta Electric System Operator | |
Long Range Significant Transmission Outages for the period of 24 months starting 2023-12-09 | |
The table below contains the significant transmission outages submitted as tentative to the AESO. These Outages have not yet necessarily been approved, but are listed for awareness and coordination purposes. An Outage has been considered significant for this table if it meets any one (1) or more of the following criteria: |
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Note: Where a transmission outage requires generation curtailments, the adjustments to generation will typically happen in the hours before the scheduled transmission outage and in the hour after the element is returned to service. | |
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Owner | From | To | Duration | Element | Scheduled Activity | Affected Intertie |
---|---|---|---|---|---|---|
ATCO | 29-May-23 08:20 | 12-Jan-24 23:00 | Continuous |
228.65 Days
840s McNeill Station | filter bank forced outage | AB-SK |
EPCOR | 05-Jun-23 07:00 | 22-Dec-23 17:00 | 200.46 Days
Continuous |
805s C1 (805s Jasper), EP 805s J2408 (EP 805s Jasper) | Jasper: Emergency Investigation of J2408 Cap Bank Breaker | |
ATCO | 12-Jun-23 00:00 | 31-Mar-24 00:00 | 293 Days
Continuous |
7L64 (747s Bassett - 930s Arcenciel) | forced outage due to fire | |
ATCO | 01-Sep-23 20:00 | 31-Mar-24 17:00 | 211.88 Days
Continuous |
7L113 (853s Ring Creek - 930s Arcenciel) | forced outage | |
ATCO, SUNCOR | 08-Sep-23 09:30 | 14-Dec-23 17:30 | 97.38 Days
Continuous |
29PL9-1 (29EDD-1 Millennium - 848s Ruth Lake), 848s 903 (848s Ruth Lake), 848s 906 (848s Ruth Lake) | reconductor 29PL9-1 (Suncor Capacity Increase project) | |
EPCOR | 18-Oct-23 07:00 | 01-Feb-24 17:00 | 106.46 Days
Continuous |
987s CDS33 (987s Cloverbar) | continued re-configuration of 240 kV ring for new 1191L bay construction will leave the ring open from newly energized CDS41 and CDS44 disconnects. | |
ATCO, SUNCOR | 14-Nov-23 18:01 | 19-Dec-23 18:00 | 35 Days
Continuous |
29PL9-1 (29EDD-1 Millennium - 848s Ruth Lake), 29PL9-2 (29EDD-1 Millennium - 848s Ruth Lake) | reconductoring for 29PL9-2 and 29PL9-1, protection retrofit and associated pre-commissioning and commissioning
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ALTALINK, EPCOR | 22-Nov-23 07:00 | 20-Dec-23 17:00 | 28.42 Days
Continuous |
921L (71s Lamoureux - 987s Clover Bar), 987s T2 (987s Clover Bar), 987s T4 (987s Clover Bar), 987s CC721 (987s Clover Bar), 987s CDS31 (987s Clover Bar), 987s C2404 (987s Clover Bar), 987s C2405 (987s Clover Bar), 987s C2406 (987s Clover Bar), 987s C2408 (987s Clover Bar), 987s CDS39 (987s Cloverbar) | Cloverbar S/S 240 kV re-configuration as part of the air products project | |
EPCOR | 24-Nov-23 07:00 | 22-Dec-23 17:00 | 28.42 Days
Continuous |
330P 12TC1 (330p Genesee), 330p 805 (330p Genesee) | Genesee S/S 12TC1 decommissioning | |
ENMAX, ALTALINK | 27-Nov-23 09:30 | 10-Dec-23 19:00 | 13.4 Days
Continuous |
918L (281s Johnson - SS-162) | completion of replacement of bent steel, re-tie/replace OHSW dampers, installation on aerial number boards, and damper replacement between structures 606-840 | |
ATCO, ALTALINK | 27-Nov-23 12:01 | 11-Dec-23 13:00 | 14.04 Days
Continuous |
9L55 (AML 852s Round Hill - 885s McMillan), 885s 902T (885s McMillan), 885s 260kV Bus 900BS2 (885s McMillan), 885s 902 (885s McMillan), 885s 903 (885s McMillan), 885S 902TD (885s McMillan), 885S 702TD (885s McMillan), 885s 704 (885s McMillan), 885s 501R (885s McMillan) | 885s McMillan sub protection upgrade | |
ALTALINK | 02-Dec-23 07:00 | 19-Dec-23 17:00 | 17.42 Days
Continuous |
929L (74S Janet - 287s Hazelwood) | component replacements between structures #929L72 - 929L404 | |
EPCOR | 04-Dec-23 07:00 | 15-Dec-23 17:00 | 11.42 Days
Continuous |
CV5 (EP 511s Victoria - 557s Castle Downs), EP 511s Victoria T5 (EP 511s Victoria), EP 511s V2401 (EP 511s Victoria) | CV5: annual manhole inspections and maintenance | |
ALTALINK, ATCO | 04-Dec-23 10:00 | 09-Dec-23 14:00 | 5.17 Days
Continuous |
852s 152 (852s Round Hill), 852s 252 (852s Round Hill), 1085L (852s Round Hill - 885s McMillan) | updates to L1 protections to accommodate ATCO remote end updates | |
ALTALINK | 04-Dec-23 17:01 | 15-Dec-23 12:30 | 10.81 Days
Continuous |
658L (562s Cypress - 658AL tap) | 658L comp replacement (298-331) | |
ALTALINK | 05-Dec-23 07:00 | 13-Dec-23 18:00 | 8.46 Days
Continuous |
1047L (574s Nilrem - 650s Hansman Lake) | Replace dampers on 1047L structures 1-64 | |
ALTALINK | 07-Dec-23 07:00 | 12-Dec-23 17:00 | 5.42 Days
Continuous |
927L (102s Langdon - 356s Milo) | Line inspection , Multiple locations between 102s and 356s, See also SAP: 287331 924L RB required due to proximity. | |
ALTALINK | 08-Dec-23 07:00 | 10-Dec-23 17:00 | 2.42 Days
Continuous |
964L (244s Bowmanton - 964L tap), 964L (251s Whitla - 964L tap), 244s 252 (244s Bowmanton), 244s 352 (244s Bowmanton), 251s 252 (251s Whitla), 251s 352 (251s Whitla), 964AL (1024s Granlea - 964L tap) | tying in the new 326s Murray Lake Substation | |
ATCO, FMGW | 08-Dec-23 07:00 | 10-Dec-23 17:00 | 2.42 Days
Continuous |
1024s PT-6001 (1024s Granlea), 1024s PT-6002 (1024s Granlea), 1024s PS-6005 (1024s Granlea), 1024s PS-6006 (1024s Granlea) | maintenance | |
ALTALINK | 09-Dec-23 08:00 | 09-Dec-23 16:00 | 8 Hours
Daily |
33s 2 (33s Spray) | maintenance | |
ALTALINK | 09-Dec-23 08:00 | 09-Dec-23 17:00 | 9 Hours
Daily |
33s 2 (33s Spray) | PRC5 breaker maintenance Scheduled Shannon Bouchard Issue To: Anton Karentnikov Contact #: 403.669.1466 | |
ALTALINK | 10-Dec-23 08:00 | 19-Dec-23 17:00 | 9.38 Days
Continuous |
765L (151s Strathmore - 419s Chestermere) | perform maintenance work on structures | |
ALTALINK | 10-Dec-23 17:00 | 17-Dec-23 17:00 | 7 Days
Continuous |
964L (244s Bowmanton - 964L tap), 244s 252 (244s Bowmanton), 244s 352 (244s Bowmanton) | Tying in the new 326s Murray Lake Substation @ Structures #283 - 285 | |
EPCOR | 11-Dec-23 07:00 | 15-Dec-23 17:00 | 4.42 Days
Continuous |
T1 (EP Riverview) | Riverview: TX1 Repair w/Hitachi | |
ATCO | 11-Dec-23 09:00 | 14-Dec-23 16:00 | 3.29 Days
Continuous |
7L03 (731s Elmworth - 7L09 tap) | Replacing red tag poles | |
ALTALINK | 11-Dec-23 09:30 | 21-Dec-23 18:00 | 10.35 Days
Continuous |
901AL (64s East Crossfield - 901L tap), 901L (63s Red Deer - 901AL tap), 901L (74s Janet - 901AL tap) | Crews will be completing CR work (Insulator Replacements)See also 287199 912L required due to proximity to 901L | |
ATCO | 11-Dec-23 14:00 | 14-Dec-23 16:00 | 3.08 Days
Continuous |
876S 240kV Breaker Relays, 876S 9L10 Protection Relay, 9L10, 876S 901, 876S 903, 9L10 (876s Brintnell - 939s Livock), 876s 901 (876s Brintnell), 876s 903 (876s Brintnell) | 21A&B/ 9L10, 50BF/901&903 RTXP Test Switch Replacement, PRC-005 Relay Testing 21A&B / 9L10 an 50BF/ Bkr 901&903, PRC-005 Trip Coil Testing Breaker 901 & 903 | |
ENMAX, ALTALINK | 12-Dec-23 08:00 | 15-Dec-23 16:00 | 3.33 Days
Continuous |
24B138-24.81 (SS-24), 24B138-24.83 (SS-24), 24B138-24BT3 (SS-24), 24.1TR (SS-24), 24.81L (SS-24 - SS-31), 24.83L (74s Janet - SS-24) | Surge Arrestor Replacement 24B138-24.83, 24B138-24.81. Check reversing switch 24.1TR. 24MD138-24.1TR require adjustment. 24B138-24.83 CT Terminal Block Replacement, 24B138-24BT3 CT Terminal Block Replacement | |
ENMAX, ALTALINK | 12-Dec-23 08:00 | 15-Dec-23 16:00 | 3.33 Days
Continuous |
24.83L (74s Janet - SS-24) | Surge Arrestor Replacement 24B138-24.83, 24B138-24.81 | |
ALTALINK | 12-Dec-23 17:30 | 17-Dec-23 18:00 | 5.02 Days
Continuous |
924L (102s Langdon - 356s Milo) | Line inspection , Multiple locations between 102s and 356s, See also SAP: 287333 927L RB required due to proximity. Note 927L RB starts the next day on Dec 13 | |
ALTALINK | 15-Dec-23 12:30 | 15-Dec-23 16:30 | 4 Hours
Daily |
658AL (662s Hilda - 658AL tap), 658L (562s Cypress - 658AL tap), 658L (649s Chappice Lake - 658AL tap) | Close South jumpers at structure 286A. | |
ALTALINK | 17-Dec-23 17:00 | 18-Dec-23 18:00 | 25 Hours
Continuous |
964AL (1024s Granlea - 964L tap), 964L (244s Bowmanton - 964L tap), 964L (251s Whitla - 964L tap), 244s 252 (244s Bowmanton), 244s 352 (244s Bowmanton), 251s 252 (251s Whitla), 251s 352 (251s Whitla) | Outage to close the open point ‘D’ at 964L287 and energize the newly split 965L and 964L and 326s substation | |
ATCO, FMGW | 18-Dec-23 08:00 | 18-Dec-23 18:00 | 10 Hours
Continuous |
1024s PT-6001 (1024s Granlea), 1024s PT-6002 (1024s Granlea), 1024s PS-6001 (1024s Granlea), 1024s PS-6005 (1024s Granlea), 1024s PS-6006 (1024s Granlea) | maintenance | |
ATCO | 18-Dec-23 09:00 | 21-Dec-23 16:00 | 3.29 Days
Continuous |
7L03 (731s Elmworth - 7L09 tap) | Pole Change from Test and Treat | |
ALTALINK | 19-Dec-23 07:30 | 19-Dec-23 16:30 | 9 Hours
Daily |
103s T1 (103s Goose Lake) | Replace high side LA grounding as part of grounding mitigation project | |
ATCO | 02-Jan-24 09:00 | 08-Jan-24 12:00 | 6.13 Days
Continuous |
7L32 (811s Clairmont Lake - 862s South Bezanson) | Line to Ground Mitigation | |
ATCO | 02-Jan-24 09:00 | 08-Jan-24 16:00 | 6.29 Days
Continuous |
7L40 (733s Simonette - 813s Little Smoky) | Pole Replacement from Test and Treat | |
ENMAX, ALTALINK | 03-Jan-24 08:00 | 03-Jan-24 17:00 | 9 Hours
Daily |
937L (5s East Calgary - 102s Langdon) | Replace insulators at structures 101, 102, 107, 114, 117, 119, 122, 127 & 128. Re-tie OHSW at structures 114 & 122. | |
ALTALINK | 03-Jan-24 08:00 | 05-Jan-24 17:00 | 2.38 Days
Continuous |
733L (179s Gleichen - 428s Namaka) | Replace crossarms and insulators at structures 250, 251 & 252. Measure catch arm & adjust if requires at structure 239 & 260. Bond OHSW at structure 272. Add insulators at structure 264 & 265. | |
ALTALINK | 03-Jan-24 08:00 | 05-Jan-24 17:00 | 2.38 Days
Continuous |
994L (103s Goose Lake - 312s Fidler) | Replace dead-end insulators at structure 10 and 38. Replace insulators at structure 13. Repair OPGW bond at structure 31. | |
EPCOR | 04-Jan-24 07:00 | 08-Jan-24 17:00 | 4.42 Days
Continuous |
330p 1210 (330p Genesee), 330p 1211 (330p Genesee) | 330P Genesee S/S tie and energization | |
ALTALINK | 05-Jan-24 08:00 | 10-Jan-24 17:00 | 5.38 Days
Continuous |
906L (17s Benalto - 42s Sarcee) | Replace insulator attachment hardware at structure 20. | |
EPCOR | 08-Jan-24 07:00 | 18-Jan-24 17:00 | 10.42 Days
Continuous |
Cloverbar S/S Tx4 bay and 1191L bay, 987s CDS35 (987s Cloverbar) | Continued re-configuration 240 kV ring for new 1191L bay | |
ALTALINK | 08-Jan-24 09:30 | 12-Jan-24 18:00 | 4.35 Days
Continuous |
180L (255s Vulcan - 928s East Stavely) | 180L/161L OPGW work 180L - STR 35-37 (Between 255s-928s) See also SAP: 286778 161L (504s-255s) - R/B-LL - Common Tower with 161L | |
ATCO | 08-Jan-24 10:00 | 22-Jan-24 12:00 | 14.08 Days
Continuous |
9L155 (838s Horizon Mining - 849s Joslyn Creek), 849s 907 (849s Joslyn Creek) | 849s Joslyn Protection Upgrade - Move 9L155 into 901/902 Bay (former 9L66) - J3 - Demo 907 protection - Protection ends to ends with 838s for 9L155 new line diff |
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ATCO | 08-Jan-24 10:00 | 22-Jan-24 12:00 | 14.08 Days
Continuous |
849s 901 (849s Joslyn Creek), 849s 902 (849s Joslyn Creek) | 849s Joslyn Protection Upgrade - Move 9L155 into 901/902 Bay (former 9L66) - Protection ends to ends with 838s for 9L155 new line diff |
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Lethbridge, ALTALINK | 15-Jan-24 08:00 | 29-Jan-24 17:00 | 14.38 Days
Continuous |
593s 824L (593s Lakeview), 824L (593s Lakeview - 618s Riverbend) | Replacing 593s824L HV BReaker | |
ALTALINK, Lethbridge | 15-Jan-24 08:00 | 29-Jan-24 17:00 | 14.38 Days
Continuous |
824L (593s Lakeview - 618s Riverbend) | Replace 593s824L HV Breaker | |
ATCO | 15-Jan-24 09:00 | 22-Jan-24 16:00 | 7.29 Days
Continuous |
7L40 (733s Simonette - 813s Little Smoky) | Pole Replacement from Test and Treat | |
ATCO | 15-Jan-24 09:00 | 22-Jan-24 16:00 | 7.29 Days
Continuous |
7L32 (813s Little Smoky - 862s South Bezanson) | Pole Change from test treat and X Arm change | |
EPCOR | 22-Jan-24 07:00 | 01-Feb-24 17:00 | 10.42 Days
Continuous |
Cloverbar S/S Tx2 bay and 1191L bay, 987s CDS32 (987s Cloverbar) | Continued re-configuration 240 kV ring for new 1191L bay. 1191L to be energize post outage with new isolation point of CDS45 to remain until 1191L is ready to energize. | |
ATCO | 22-Jan-24 12:01 | 05-Feb-24 17:30 | 14.23 Days
Continuous |
9L137 (838s Horizon Mining - 849s Joslyn Creek), 9L08 (849s Joslyn Creek - 888s Dover), 849s 903 (849s Joslyn Creek), 849s 904 (849s Joslyn Creek), 849s 905 (849s Joslyn Creek), 849s 906 (849s Joslyn Creek) | 849s Joslyn Protection Upgrade - Move 9L137 into 904/905 Bay (former 9L32) - Install new 900BS2 protection - End to end testing for new 9L137 protection Feb 1-5 - contract GOI to 849S 904A,838S 905B, 849S 904A,849S 905B |
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ALTALINK | 22-Jan-24 14:00 | 05-Feb-24 14:00 | 14 Days
Continuous |
948L (650s Hansman Lake - 863s Paintearth) | Protection upgrade @ 863s - ATCO | |
ATCO | 23-Jan-24 09:00 | 25-Jan-24 16:00 | 2.29 Days
Continuous |
730s STATCOM (730s Rycroft), 730s 705 (730s Rycroft) | SVS Deficiency repairs by Hitachi | |
ENMAX, ALTALINK | 29-Jan-24 08:00 | 30-Jan-24 16:00 | 1.33 Days
Continuous |
28.80L (42s Sarcee - SS-28), 28B138-28.80 (SS-28), 28.2TR (SS-28) | HV SW Maint. MD-28.2TR, SW86, SW82, SW81, SW80 | |
ENMAX, ALTALINK | 29-Jan-24 08:00 | 30-Jan-24 16:00 | 1.33 Days
Continuous |
28.80L (42s Sarcee - SS-28) | 28.80L (42s Sarcee - SS-28), 28B138-28.80 (SS-28), 28.2TR (SS-28). | |
ATCO | 29-Jan-24 09:00 | 05-Feb-24 12:00 | 7.13 Days
Continuous |
9L40 (732s Mitsue - 809s Louise Creek) | Pole changes | |
ATCO | 29-Jan-24 09:00 | 05-Feb-24 16:00 | 7.29 Days
Continuous |
7L32 (813s Little Smoky - 862s South Bezanson) | Pole change from test and treat / X Arm change | |
ATCO | 29-Jan-24 09:00 | 05-Feb-24 16:00 | 7.29 Days
Continuous |
7L40 (733s Simonette - 813s Little Smoky) | 7l40 Line to ground mitigation | |
ATCO | 29-Jan-24 11:00 | 02-Feb-24 17:30 | 4.27 Days
Continuous |
840s McNeill Station | Transformer 701T has an active leak between the main tank and LTC tank requiring oil to be drained monthly in order to prevent surpassing safe operating maximum levels. Hitachi is coming to site to remove the diverter and replace O rings and gaskets in efforts to stop the leak. In addition, they wil | |
ATCO | 01-Feb-24 08:00 | 05-Feb-24 17:30 | 4.4 Days
Continuous |
9L137 (838s Horizon Mining - 849s Joslyn Creek), 849s 904 (849s Joslyn Creek), 849s 905 (849s Joslyn Creek) | This outage request is just to show the contraction of the Isolations that are referenced in 1-00425862 | |
BCH | 05-Feb-24 09:00 | 09-Feb-24 17:00 | 4.33 Days
Continuous |
2L294 (BCH A. A. Lambert - BCH Nelway) | replace structures and lacing | AB-BC |
ENMAX, ALTALINK | 05-Feb-24 09:15 | 08-Feb-24 16:45 | 3.31 Days
Continuous |
937L (5s East Calgary - 102s Langdon), 5s 1552 (5s East Calgary), 5s 1652 (5s East Calgary), 5s 937 (5s East Calgary) | SCADA upgrade | |
ATCO, ALTALINK | 12-Feb-24 09:00 | 15-Feb-24 16:30 | 3.31 Days
Continuous |
7L50 (526s Buffalo Creek - 491L tap), 7L50 (757s Battle River - 491L tap) | 7L50 Pole and arm replacement | |
ATCO | 12-Feb-24 09:00 | 18-Feb-24 16:00 | 6.29 Days
Continuous |
7L32 (813s Little Smoky - 862s South Bezanson) | Pole change from test and treat / X Arm change | |
ALTALINK | 12-Feb-24 09:30 | 15-Feb-24 16:45 | 3.3 Days
Continuous |
916L (5s East Calgary - 42s Sarcee) | SCADA Upgrade | |
ATCO | 12-Feb-24 11:00 | 06-May-24 14:00 | 84.08 Days
Continuous |
813s 901 (813s Little Smoky) | Take 901 OOS to open bus up and add a new 902PT, and 902 breaker bay for the new 9L201 line to MPC Gas. | |
ATCO | 13-Feb-24 09:00 | 17-Feb-24 17:00 | 4.33 Days
Continuous |
7L85 (801s Anderson - ATC 803s Bullpound) | 7L85 Line Mitigation. Replace/modify structures 19, 72, 86, 96, 138, 204, 206, 208, 238, 245, 249, 250. | |
ATCO | 18-Feb-24 09:00 | 22-Feb-24 17:00 | 4.33 Days
Continuous |
7L85 (801s Anderson - ATC 803s Bullpound) | 7L85 Line Mitigation. Replace/modify/install new structures, 335, 382, 383, 392, 397A, 409, 417, 447 | |
ATCO | 19-Feb-24 14:30 | 04-Mar-24 14:00 | 13.98 Days
Continuous |
863S 901, 9L27, 9L27 (755s Cordel - 863s Paintearth) | 863S Paintearth Protection Upgrade
Demo old wiring, and old Line protection panel, install and terminate new wiring, and new Line protection panel. Commission new wiring/Line protection, and new Line protection panel. Once GOI is released 901A will need to be commissioned. |
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ATCO, ALTALINK | 20-Feb-24 09:00 | 22-Feb-24 16:30 | 2.31 Days
Continuous |
7L50 (526s Buffalo Creek - 491L tap), 7L50 (757s Battle River - 491L tap) | 7L50 Pole and arm replacement | |
ENMAX, ALTALINK | 20-Feb-24 09:15 | 22-Feb-24 16:45 | 2.31 Days
Continuous |
936L (5s East Calgary - 102s Langdon) | SCADA Upgrade | |
ATCO | 20-Feb-24 15:00 | 05-Mar-24 13:00 | 13.92 Days
Continuous |
9L89, 885S 900 BUS 1, 885S 900PT1, 885S 900PT3, 885S 901, 885S 902, 9L89 (885s McMillan - 2011s Dawes), 885s 260kV Bus 900BS1 (885s McMillan) | 885S McMillan sub Protection Upgrade: Complete protection cut over and Commissioning of new protection on 901,902,900PT1,9L89PT,9L89 Line Protection,900PT3. | |
ATCO | 26-Feb-24 09:00 | 04-Mar-24 16:00 | 7.29 Days
Continuous |
7L32 (813s Little Smoky - 862s South Bezanson) | Pole change from test and treat / X Arm change | |
ENMAX, ALTALINK | 26-Feb-24 09:30 | 01-Mar-24 12:30 | 4.13 Days
Continuous |
5s T1 (5s East Calgary) | SCADA Upgrade | |
ENMAX, ALTALINK | 26-Feb-24 09:30 | 01-Mar-24 12:30 | 4.13 Days
Continuous |
5s T1 (5s East Calgary) | Altalink Outage. SCADA Upgrade | |
ALTALINK | 26-Feb-24 13:00 | 08-Mar-24 12:00 | 10.96 Days
Continuous |
676L (244s Bowmanton - 523s Bullshead), 244s 2152 (244s Bowmanton), 244s 2252 (244s Bowmanton), 523s 676 (523s Bullshead) | Install and commission new circuits and protections pertaining to the Dunmore Project | |
ENMAX, ALTALINK | 04-Mar-24 09:30 | 08-Mar-24 12:30 | 4.13 Days
Continuous |
5s T2 (5s East Calgary) | SCADA Upgrade | |
ENMAX, ALTALINK | 04-Mar-24 09:30 | 08-Mar-24 12:30 | 4.13 Days
Continuous |
5s T2 (5s East Calgary) | Altalink Outage. SCADA Upgrade | |
ATCO | 04-Mar-24 14:30 | 18-Mar-24 15:00 | 13.98 Days
Continuous |
9L948 (650s Hansman Lake - 863s Paintearth), 863s 902 (863s Paintearth) | 863S Paintearth Protection Upgrade
Demo old wiring, and old Line protection panel, install and terminate new wiring, and new Line protection panel. Commission new wiring/Line protection, and new Line protection panel. Once GOI is released 902A will need to be commissioned. |
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ATCO | 11-Mar-24 09:00 | 18-Mar-24 16:00 | 7.29 Days
Continuous |
7L32 (813s Little Smoky - 862s South Bezanson) | Pole change from test and treat / X Arm change | |
ALTALINK | 11-Mar-24 12:15 | 15-Mar-24 17:45 | 4.23 Days
Continuous |
702L (137s Sedgewick - 757s Battle River) | FRM; Component Replacement (Str 11-197) | |
ALTALINK | 12-Mar-24 07:00 | 12-Mar-24 18:00 | 11 Hours
Daily |
880L (321s Al Rothbauer - 523s Bullshead), 321s 880 (321s Al Rothbauer), 523s 880 (523s Bullshead) | install and commission new circuits and protections pertaining to the Dunmore Project | |
ATCO, ALTALINK | 18-Mar-24 10:30 | 21-Mar-24 16:30 | 3.25 Days
Continuous |
7L50 (526s Buffalo Creek - 491L tap), 7L50 (757s Battle River - 491L tap) | 7L50 Pole and arm replacement | |
ALTALINK | 18-Mar-24 12:15 | 27-Mar-24 17:45 | 9.23 Days
Continuous |
702L (137s Sedgewick - 757s Battle River) | FRM; Component Replacement (Str 11-197) | |
ATCO | 18-Mar-24 14:30 | 29-Apr-24 14:00 | 41.98 Days
Continuous |
863s 902T (863s Paintearth) | protection upgrade, Commission new wiring/Transformer protection, and new Transformer protection panel | |
ALTALINK | 22-Mar-24 07:30 | 22-Mar-24 12:30 | 5 Hours
Daily |
244s 152 (244s Bowmanton) | Install and commission new circuits and protections pertaining to the Dunmore Project | |
ALTALINK | 25-Mar-24 07:00 | 27-Mar-24 18:00 | 2.46 Days
Continuous |
925L (63s Red Deer - 74s Janet) | Component Replacement between Structures #1 - 369 | |
ALTALINK | 25-Mar-24 12:00 | 25-Mar-24 17:00 | 5 Hours
Daily |
244s 452 (244s Bowmanton) | Install and commission new circuits and protections pertaining to the Dunmore Project | |
ALTALINK | 26-Mar-24 12:30 | 26-Mar-24 17:30 | 5 Hours
Daily |
244s 352 (244s Bowmanton) | install and commission new circuits and protections pertaining to the Dunmore Project | |
ALTALINK | 27-Mar-24 07:30 | 27-Mar-24 12:30 | 5 Hours
Daily |
244s 652 (244s Bowmanton) | install and commission new circuits and protections pertaining to the Dunmore Project | |
ENMAX | 30-Mar-24 08:00 | 01-Apr-24 18:00 | 2.42 Days
Continuous |
65.2TR (SS-65) | HV SW Maint. SW141, SW135, SW86, SW93, SW87, MD138-65.2TR, MD240-65.2TR. 65.2TR Oil Sampling MT, TC. Check reversing switch. Gas Monitor Maintenance. Transformer Monitor Maintenance. | |
ALTALINK | 02-Apr-24 07:00 | 02-Apr-24 18:00 | 11 Hours
Daily |
244s T1 (244s Bowmanton) | install and commission new circuits and protections pertaining to the Dunmore Project | |
ALTALINK | 02-Apr-24 07:00 | 12-Apr-24 18:00 | 10.46 Days
Continuous |
925L (63s Red Deer - 74s Janet) | Component Replacement between Structures #1 - 369 | |
ENMAX | 02-Apr-24 08:00 | 04-Apr-24 18:00 | 2.42 Days
Continuous |
65.1TR (SS-65) | HV SW Maint. SW130, SW136, SW88, SW80, SW81, SW83, MD138-65.1TR, MD240-65.1TR. 65.1TR Oil Sampling MT, TC. Check reversing switch. Gas Monitor Maintenance. Transformer Monitor Maintenance. Bus washing. | |
ATCO | 02-Apr-24 09:00 | 08-Apr-24 16:00 | 6.29 Days
Continuous |
9L56 (720s Wabasca - 732s Mitsue) | Line Mitigation ( Critical Crossing ) | |
ATCO | 02-Apr-24 09:00 | 08-Apr-24 16:00 | 6.29 Days
Continuous |
7L32 (813s Little Smoky - 862s South Bezanson) | Pole replacement from Test and Treat | |
ATCO | 02-Apr-24 10:00 | 21-Apr-24 17:00 | 19.29 Days
Continuous |
728s 701T (728s Mercer Hill) | Replace Bkr 503 and 503B Once 503/503B and all 501A, 502A, 503A solid blade switches are replaced and commissioned, restore 25kV bus, GOI can be shrunk to isolation points 7LA39D2 and 501TD Continue with 701T protection upgrade, relocate 144 alarms, status, control to new station controller |
|
ALTALINK | 02-Apr-24 12:15 | 05-Apr-24 17:45 | 3.23 Days
Continuous |
702L (137s Sedgewick - 757s Battle River) | FRM; Component Replacement (Str 11-197) | |
ALTALINK | 02-Apr-24 12:30 | 11-Apr-24 16:00 | 9.15 Days
Continuous |
158s T2 (158s Vauxhall) | 158sT2 Oil Reclaim/Tx leak repair | |
ALTALINK | 03-Apr-24 07:00 | 03-Apr-24 18:00 | 11 Hours
Daily |
244s T2 (244s Bowmanton) | install and commission new circuits and protections pertaining to the Dunmore Project | |
ALTALINK | 03-Apr-24 08:30 | 03-Apr-24 17:30 | 9 Hours
Daily |
613L (103s Goose Lake - 396s Pincher Creek) | Clean/Grease 103s21 & 103s1352,103s1452 First Trips on return switching. | |
ENMAX, ALTALINK | 05-Apr-24 08:00 | 06-Apr-24 16:00 | 1.33 Days
Continuous |
1109L (SS-25 - SS-65), 25B240-D141 (SS-25), 25B240-D142 (SS-25) | HV SW Maint. MD-1109, SW152, SW153. Power Factor Test - 25PT240-985 | |
ENMAX, ALTALINK | 07-Apr-24 08:00 | 08-Apr-24 16:00 | 1.33 Days
Continuous |
1080L (SS-25 - SS-65), 25B240-D139 (SS-25), 25B240-D138 (SS-25) | HV SW Maint. MD-1080, SW147, SW146. Power Factor Test - 25PT240-1080 | |
ENMAX, ALTALINK | 09-Apr-24 08:00 | 10-Apr-24 16:00 | 1.33 Days
Continuous |
985L (74s Janet - SS-25) | HV SW Maint. MD-985, SW135, SW134. Summer Substation Washing. D133, D132, MD-985 | |
ENMAX | 09-Apr-24 08:00 | 12-Apr-24 18:00 | 3.42 Days
Continuous |
240kV West Bus (SS-25), 25B240-D142 (SS-25), 25B240-D139 (SS-25), 25B240-D136 (SS-25), 25B240-D133 (SS-25) | Summer Substation Washing. Outage required for washing stand off insulators near transmission lines. | |
ENMAX, ALTALINK | 11-Apr-24 08:00 | 12-Apr-24 16:00 | 1.33 Days
Continuous |
1003L (74s Janet - SS-25), 25B240-D136 (SS-25), 25B240-D135 (SS-25) | HV SW Maint. MD-1003, SW141, SW140. Power Factor Test - 25PT240-1003. Summer Substation Washing. D136, D135, MD-1003 | |
ALTALINK | 15-Apr-24 07:00 | 19-Apr-24 18:00 | 4.46 Days
Continuous |
925L (63s Red Deer - 74s Janet) | Component Replacement between Structures #1 - 369 | |
EPCOR | 15-Apr-24 07:00 | 22-Apr-24 07:00 | 7 Days
Continuous |
816s P2402 (816s Petrolia), 816s P2401 (816s Petrolia), 816s T1 (816s Petrolia) | Petrolia: P2401 Breaker LCR | |
ATCO | 15-Apr-24 09:00 | 22-Apr-24 16:00 | 7.29 Days
Continuous |
7L32 (813s Little Smoky - 862s South Bezanson) | Pole replacement from Test and Treat | |
ALTALINK | 15-Apr-24 13:30 | 19-Apr-24 17:00 | 4.15 Days
Continuous |
28s T2 (28s West Brooks) | 28sT2 PRC5, Leak repair, Maintenance. | |
ENMAX | 16-Apr-24 08:00 | 16-Apr-24 13:00 | 5 Hours
Continuous |
2GSU-XF-001 (SS-25) | Summer Substation Washing | |
ENMAX | 17-Apr-24 08:00 | 17-Apr-24 18:00 | 10 Hours
Continuous |
1GSU-XF-001 (SS-25) | Summer Substation Washing | |
ENMAX, ALTALINK | 18-Apr-24 13:00 | 18-Apr-24 18:00 | 5 Hours
Daily |
1003L (74s Janet - SS-25) | Summer Substation Washing. D136, D135, MD-1003. | |
ALTALINK | 22-Apr-24 07:00 | 25-Apr-24 18:00 | 3.46 Days
Continuous |
925L (63s Red Deer - 74s Janet) | Component Replacement between Structures #1 - 369 | |
EPCOR | 22-Apr-24 07:00 | 10-May-24 17:00 | 18.42 Days
Continuous |
816s P2401 (816s Petrolia) | Petrolia: P2401 Breaker LCR | |
ALTALINK | 23-Apr-24 08:30 | 23-Apr-24 13:30 | 5 Hours
Daily |
15s 463 (15s Fort Macleod), 463L (15s Fort Macleod - 463AL tap) | 15s463 PRC 5 First Trip and maint. | |
ALTALINK | 23-Apr-24 09:00 | 30-Apr-24 18:00 | 7.38 Days
Continuous |
492s T1 (492s Monarch) | Doble, SFRA, maintenance, oil leaks and P5 breaker maintenance. s455X U/G cable repair. 492s6 inoperable repairs. | |
ATCO | 29-Apr-24 14:30 | 10-Jun-24 14:00 | 41.98 Days
Continuous |
863S 504, 863S 901T, 863S Station Service, 863S 500PT2X, 863S 500PT2Y, 863s 901T (863s Paintearth) | 863S Paintearth Protection Upgrade | |
ATCO | 06-May-24 09:00 | 19-May-24 17:30 | 13.35 Days
Continuous |
2029S BUILDING VALVE HALL, 2029s 1205 (2029s Heathfield), 2029s 1206 (2029s Heathfield) | Annual EATL outage at 2075s & 2029s.
2029s & 2075s AC & DC O&M. USE 2-70212 FOR 13L50 GOI USE 2-70213 FOR 2029s GOI USE 2-70214 FOR 2075s GOI |
|
ATCO | 06-May-24 09:00 | 19-May-24 17:30 | 13.35 Days
Continuous |
2075S BUILDING VALVE HALL, 2075s 916 (2075s Newell), 2075s 917 (2075s Newell) | Annual EATL outage at 2075s & 2029s.
2029s & 2075s AC & DC O&M. USE 2-70212 FOR 13L50 GOI USE 2-70213 FOR 2029s GOI USE 2-70214 FOR 2075s GOI |
|
ATCO | 06-May-24 09:00 | 19-May-24 17:30 | 13.35 Days
Continuous |
13L50 (DC LINK), 13L50 (2029s Heathfield - 2075s Newell) | Annual EATL outage at 2075s & 2029s.
2029s & 2075s AC & DC O&M. USE 2-70212 FOR 13L50 GOI USE 2-70213 FOR 2029s GOI USE 2-70214 FOR 2075s GOI |
|
ATCO | 06-May-24 14:00 | 20-May-24 14:00 | 14 Days
Continuous |
813s 901 (813s Little Smoky), 9L05 (809s Louise Creek - 813s Little Smoky), 813s 904 (813s Little Smoky) | 903PT, 904, and 9L05 OOS to cut over 904 trips to new protection. | |
ATCO | 13-May-24 10:00 | 22-May-24 10:00 | 9 Days
Continuous |
9L16, 9L16 (755s Cordel - 972s Tinchebray) | Upgrade 9L16 21A and 21B relays at both 755S Cordel and 972S Tinchebray.
Connect new 9LA16 to new 620S Goldeye substation |
|
EPCOR | 21-May-24 07:00 | 14-Jun-24 17:00 | 24.42 Days
Continuous |
816s P2402 (816s Petrolia) | Petrolia: P2402 Breaker LCR | |
SUNCOR | 29-May-24 08:00 | 14-Jun-24 18:00 | 16.42 Days
Continuous |
29PT-232 29PT-240, 29EDD-71 29PT-232 (29EDD-71), 29PL7-4 (29EDD-65 - 29EDD-71), 29EDD-71 29PS-243 (29EDD-71 Edd71Sub), 29EDD-71 29PS-242 (29EDD-71 Edd71Sub), 29EDD-71 752-4623 (29EDD-71) | FB - 29EDD-71,29PS-0242 REPLACE / REPAIR, 29PL7-4 ;29PS-243 REPLACE SWITCH, 29EDD71;29PT-232 SYSTEM;PM 5Y (46756865) 29EDD-71;144KV NODE,29PT-240 (46699353), 29EDD71;29-752-4623 MAINT & TEST;PM 10y |
|
ATCO | 03-Jun-24 08:00 | 14-Jun-24 17:30 | 11.4 Days
Continuous |
12L41 (510s Sunnybrook - 939s Livock), 12L44 (939s Livock - 951s Thickwood Hills) | APL O&M outage Use 2-70262 for 12L44 GOI Use 2-70263 for 939s-APL GOI Use 2-70264 for 951s-APL GOI APL O&M outage Use 2-70262 for 12L44 GOI Use 2-70263 for 939s-APL GOI Use 2-70264 for 951s-APL GOI |
|
SUNCOR | 04-Jun-24 08:00 | 18-Jun-24 18:00 | 14.42 Days
Continuous |
29PL6-22 (29EDD-1 Millennium - 29EDD-2 Tar Island), 29EDD-2 29PT-3 (29EDD-2 Tar Island) | isolation and PM and corrective on 29PP-1/2 buses. for this isolation there will be momentary loss during switching once for PL6-32 once the ring bus is closed this will come back online. | |
ALTALINK | 10-Jun-24 08:00 | 11-Jun-24 17:00 | 1.38 Days
Continuous |
676L (244s Bowmanton - 523s Bullshead) | OPGW will be cut and spliced into to bring the fiber down for the new 1011s Dunmore Substation | |
CNRL, ATCO | 10-Jun-24 08:00 | 17-Jun-24 07:00 | 6.96 Days
Continuous |
859s 52G (859s Primrose), 859s 701T (859s Primrose), 859s Protection & Control (859s Primrose) | 701T will be isolated to start work on 25kV switchgear project - 501TD will be left open after the outage. 70T1 XFMR Diff relay and 144kV overcurrent relay will have settings changes for PRC-025 compliance. |
|
EPCOR | 24-Jun-24 07:00 | 19-Jul-24 17:00 | 25.42 Days
Continuous |
816s P2403 (816s Petrolia) | Petrolia: P2403 Breaker LCR | |
ALTALINK | 02-Jul-24 12:30 | 11-Jul-24 15:30 | 9.13 Days
Continuous |
370s T5 (370s North Lethbridge) | 370sT5 Maintenance 370s2252 Maint. | |
ATCO | 03-Jul-24 09:00 | 08-Sep-24 11:00 | 67.08 Days
Continuous |
848S 601, 848S 602, 848S 607, 848S 608, 848S 900BS1, 848S 901T, 848s 240kV Bus 900BS1 (848s Ruth Lake), 848s 901T (848s Ruth Lake) | 848S Ruth Lake Substation Rebuild: Upgrading protection to IEC 61850, Replace breaker 401. Cut over to new protection, Install oil containment for 901T. Pull all new outdoor cable, modify cable tray, install new cable tray. | |
ATCO | 09-Jul-24 10:00 | 01-Aug-24 17:00 | 23.29 Days
Continuous |
9L24 (946s Oakland - 959s Lanfine), 959s 906 (959s Lanfine), 959s 905 (959s Lanfine), 946s 902 (946s Oakland), 946s 903 (946s Oakland) | Replace A/B protection relays at 959S Lanfine and 946S Oakland Cut in and reroute 9L24 Connect new 9LA24 T-tap Commission Telecom and Protection to new 1072S Rose Lynn substation |
|
ENMAXEC | 15-Jul-24 08:00 | 19-Jul-24 18:00 | 4.42 Days
Continuous |
383s T1 (383s Kettles Hill Windfarm), 383s T2 (383s Kettles Hill Windfarm) | substation maintenance | |
ALTALINK | 16-Jul-24 07:00 | 18-Jul-24 19:30 | 2.52 Days
Continuous |
1148L (251s Whitla - 1018s Shamrock) | Annual Substation Maintenance Outage | |
EPCOR | 29-Jul-24 07:00 | 23-Aug-24 17:00 | 25.42 Days
Continuous |
816s P2404 (816s Petrolia) | Petrolia: P2404 Breaker LCR | |
ATCO | 04-Aug-24 10:00 | 04-Aug-24 17:00 | 7 Hours
Continuous |
801S 902, 801s 902 (801s Anderson) | Final connection of Bkr 902/52a single pole status inputs to DFR, Commission | |
ATCO | 06-Aug-24 10:00 | 01-Sep-24 15:00 | 26.21 Days
Continuous |
741s 702T (741s Fox Creek), 7L199 (347s AML Fox Creek - 741s ATC Fox Creek), 741s 702 (741s ATC Fox Creek), 741s 705C (741s Fox Creek) | Demo 144kV bus and structures up to J1, install new foundations, steel structures up to J1, Demo old PT, Replace gang switches 7L199D1 & 702A, string new overhead bus and connect equipment. Complete protection upgrade & Commissioning activities to accommodate 7L199 upgrade and 7LA199 T-Tap. |
|
ATCO | 07-Aug-24 08:00 | 19-Aug-24 10:01 | 12.08 Days
Continuous |
788S 701T, 788s 701T (788s Hotchkiss) | Remove 701TCS, add NEW 707 breaker and switch 707A. Add NEW 701T | |
ATCO | 13-Aug-24 10:00 | 13-Aug-24 17:00 | 7 Hours
Continuous |
801S 903, 801s 903 (801s Anderson) | Final connection of Bkr 903 52a single pole status inputs to DFR, Commission | |
ATCO | 14-Aug-24 10:00 | 14-Aug-24 17:00 | 7 Hours
Continuous |
801S 904, 801s 904 (801s Anderson) | Final connection of Bkr 904 52a single pole status inputs to DFR, Commission | |
ATCO | 15-Aug-24 10:00 | 15-Aug-24 17:00 | 7 Hours
Continuous |
801s 905 (801s Anderson) | Final connection of Bkr 905 52a single pole status inputs to DFR, Commission | |
ATCO | 16-Aug-24 10:00 | 16-Aug-24 17:00 | 7 Hours
Continuous |
801s 906 (801s Anderson) | Final connection of Bkr 906 52a single pole status inputs to DFR, Commission | |
ATCO | 17-Aug-24 10:00 | 17-Aug-24 17:00 | 7 Hours
Continuous |
801s 907 (801s Anderson) | Final connection of Bkr 907 52a single pole status inputs to DFR, Commission | |
ATCO | 18-Aug-24 10:00 | 18-Aug-24 17:00 | 7 Hours
Continuous |
801s 908 (801s Anderson) | Final connection of Bkr 908 52a single pole status inputs to DFR, Commission | |
ATCO | 27-Aug-24 10:00 | 27-Aug-24 17:00 | 7 Hours
Continuous |
801s 909 (801s Anderson) | Final connection of Bkr 909 52a single pole status inputs to DFR, Commission | |
ATCO | 28-Aug-24 10:00 | 28-Aug-24 17:00 | 7 Hours
Continuous |
801s 910 (801s Anderson) | Final connection of Bkr 910 52a single pole status inputs to DFR, Commission | |
ATCO | 29-Aug-24 10:00 | 29-Aug-24 17:00 | 7 Hours
Continuous |
801s 911 (801s Anderson) | Final connection of Bkr 911 52a single pole status inputs to DFR, Commission | |
ATCO | 30-Aug-24 10:00 | 30-Aug-24 17:00 | 7 Hours
Continuous |
801s 912 (801s Anderson) | Final connection of Bkr 912 52a single pole status inputs to DFR, Commission | |
ALTALINK | 02-Sep-24 07:30 | 02-Sep-24 12:00 | 4.5 Hours
Daily |
1202L (89s Ellerslie - 320p Keephills), 320p 3152 (320p Keephills), 320p 3052 (320p Keephills) | Connect Summated 1202L CT from 320p3152 & 320p3052 to new PMU | |
ALTALINK, EPCOR | 02-Sep-24 12:00 | 02-Sep-24 16:30 | 4.5 Hours
Daily |
1203L (320p Keephills - 510s Sunnybrook), 320p 3452 (320p Keephills), 320p 2952 (320p Keephills) | Connect Summated 1203L CT from 320p3452 & 320p2952 to new PMU | |
EPCOR | 03-Sep-24 07:00 | 10-Sep-24 07:00 | 7 Days
Continuous |
816s T1 (816s Petrolia), 816s P2404 (816s Petrolia), 816s P2405 (816s Petrolia) | Petrolia: P2405 Breaker LCR | |
ALTALINK | 03-Sep-24 07:30 | 03-Sep-24 12:00 | 4.5 Hours
Daily |
1045AL (320p Keephills - 1045L tap), 320p 1352 (320p Keephills) | Connect 1045AL CT from 320p1352 to new PMU | |
ALTALINK, EPCOR | 03-Sep-24 12:00 | 03-Sep-24 16:30 | 4.5 Hours
Daily |
1043L (320p Keephills - 367s Harry Smith), 320p 252 (320p Keephills), 320p 352 (320p Keephills) | Connect Summated 1043L CT from 320p252 & 320p352 to new PMU | |
ALTALINK | 04-Sep-24 07:30 | 04-Sep-24 12:00 | 4.5 Hours
Daily |
190L (17s Benalto - 320p Keephills), 320p 652 (320p Keephills), 320p 552 (320p Keephills) | Connect Summated 190L CT from 320p552 & 320p652 to new PMU | |
ALTALINK, EPCOR | 04-Sep-24 12:00 | 04-Sep-24 16:30 | 4.5 Hours
Daily |
930L (37s North Calder - Poundmaker), 320p 2052 (320p Keephills), 320p 2152 (320p Keephills) | Connect Summated 903L CT from 320p2052 & 320p2152 to new PMU | |
EPCOR | 10-Sep-24 07:00 | 27-Sep-24 17:00 | 17.42 Days
Continuous |
816s P2405 (816s Petrolia) | Petrolia: P2405 Breaker LCR | |
ATCO | 10-Sep-24 09:00 | 02-Dec-24 11:00 | 83.13 Days
Continuous |
848S 603, 848S 604, 848S 605T, 848S 606, 848S 848-501, 848S 848-504, 848S 848S 500BS2 25kv Protection System, 848S 900BS2, 848S 902T, 848s 240kV Bus 900BS2 (848s Ruth Lake), 848s 902T (848s Ruth Lake) | 848S Ruth Lake Substation Rebuild: upgrading protection to IEC 61850, Replace breakers 603 & 604. Cut over to new protection: Install oil containment for 902T. Pull all new outdoor cable, modify cable tray, install new cable tray. | |
ATCO | 16-Sep-24 08:00 | 29-Sep-24 17:00 | 13.38 Days
Continuous |
788s 703 (788s Hotchkiss), 7L63 (788s Hotchkiss - 7LA63 tap) | 703 breaker replacement | |
ALTALINK | 23-Sep-24 08:00 | 04-Oct-24 18:00 | 11.42 Days
Continuous |
1201L (520s Bennett - BCH Cranbrook) | Maintenance tasks str range 18-513. | |
ALTALINK, EPCOR | 07-Oct-24 00:00 | 18-Oct-24 00:00 | 11 Days
Continuous |
908L (89s Ellerslie - 816s Petrolia), 1044L (EP 805s Jasper - 816s Petrolia) | Petrolia: P2406 Breaker LCR | |
ALTALINK, EPCOR | 07-Oct-24 09:30 | 18-Oct-24 17:00 | 11.31 Days
Continuous |
1044L (EP 805s Jasper - 816s Petrolia), 908L (89s Ellerslie - 816s Petrolia), 816s P2401 (816s Petrolia), 816s P2405 (816s Petrolia), 816s P2406 (816s Petrolia) | Petrolia: P2406 Breaker LCR | |
EPCOR | 18-Oct-24 17:00 | 01-Nov-24 17:00 | 14 Days
Continuous |
816s P2406 (816s Petrolia) | Petrolia: P2406 Breaker LCR | |
ATCO | 11-Nov-24 10:00 | 25-Nov-24 17:00 | 14.29 Days
Continuous |
9L100 (801s Anderson - 807s Sheerness) | Replace Breaker 902 @ 807S Sheerness, complete line 21A, 21B/9L100 protection upgrade and Commissioning | |
ATCO | 17-Feb-25 08:00 | 20-Feb-25 17:00 | 3.38 Days
Continuous |
7L128 (802s Michichi Creek - 7LA128 tap) | Installation of dynamic line rating sensors. | |
ATCO | 24-Mar-25 08:00 | 27-Mar-25 17:00 | 3.38 Days
Continuous |
7L91 (715s Leming Lake - 826s Marguerite Lake) | Cold Lake Area Energy Centre Project Cutover CT/PT/P&C ccts for new Thermal RAS relays Complete commissioning 49A/49B/7L91 relays End-to-end testing to 1064S |
|
ATCO | 29-Apr-25 10:00 | 20-May-25 17:00 | 21.29 Days
Continuous |
9L99 (801s Anderson - 807s Sheerness) | Replace Breaker 901 @ 807S Sheerness, complete line 21A, 21B/9L99 protection upgrade and Commissioning | |
ATCO | 05-May-25 09:00 | 30-May-25 17:30 | 25.35 Days
Continuous |
2029S BUILDING VALVE HALL, 2029s 1205 (2029s Heathfield), 2029s 1206 (2029s Heathfield) | Annual EATL outage at 2075s & 2029s.
2029s & 2075s AC & DC O&M. USE 2-70215 FOR 13L50 GOI USE 2-70216 FOR 2029s GOI USE 2-70217 FOR 2075s GOI |
|
ATCO | 05-May-25 09:00 | 30-May-25 17:30 | 25.35 Days
Continuous |
2075S BUILDING VALVE HALL, 2075s 916 (2075s Newell), 2075s 917 (2075s Newell) | Annual EATL outage at 2075s & 2029s.
2029s & 2075s AC & DC O&M. USE 2-70215 FOR 13L50 GOI USE 2-70216 FOR 2029s GOI USE 2-70217 FOR 2075s GOI |
|
ATCO | 05-May-25 09:00 | 30-May-25 17:30 | 25.35 Days
Continuous |
13L50 (DC LINK), 13L50 (2029s Heathfield - 2075s Newell) | Annual EATL outage at 2075s & 2029s.
2029s & 2075s AC & DC O&M. USE 2-70215 FOR 13L50 GOI USE 2-70216 FOR 2029s GOI USE 2-70217 FOR 2075s GOI |
|
ATCO, Syncrude | 20-May-25 09:00 | 12-Jun-25 10:00 | 23.04 Days
Continuous |
848S 910, 848S 911, 848S RL1 SYNCRUDE ISLANDING RAS (IRAS), RL1 (848s Ruth Lake - D05) | 848S Ruth Lake Sub rebuild/upgrade protection to IEC 61850 - Cut over to new protection: 910CT,910,910B,910PT,RL-1D1,911B,911,911CT. | |
ATCO | 12-Jun-25 11:00 | 04-Jul-25 09:00 | 21.92 Days
Continuous |
848S 911, 848S 913, 9L01 (848s Ruth Lake - 951s Thickwood Hills), 848s 911 (848s Ruth Lake), 848s 913 (848s Ruth Lake) | 848S Ruth Lake Sub rebuild/upgrade protection to IEC 61850 - Cut over to new protection: 911,911CT,912B,9L01D1,913PT,913B,913,913CT | |
ATCO | 04-Jul-25 11:00 | 24-Jul-25 09:00 | 19.92 Days
Continuous |
848S 905, 848S 906, 9L23 (848s Ruth Lake - 977s Salt Creek), 848s 905 (848s Ruth Lake), 848s 906 (848s Ruth Lake) | 848S Ruth Lake Sub rebuild/upgrade protection to IEC 61850 - Cut over to new protection: 905CT,905,905B,905PT,9L23D1,906B,906,906CT,906A. | |
ATCO, SUNCOR | 24-Jul-25 11:00 | 14-Aug-25 09:00 | 20.92 Days
Continuous |
848S 906, 848S 903, 848S 29PL9-1 SUNCOR ISLANDING RAS (IRAS), 29PL9-1 (29EDD-1 Millennium - 848s Ruth Lake), 848s 903 (848s Ruth Lake), 848s 906 (848s Ruth Lake) | 848S Ruth Lake Sub rebuild/upgrade protection to IEC 61850 - Cut over to new protection: 906,906CT,904B,29PL9-1D1,903PT,903B,903,903CT. | |
ATCO, SUNCOR | 14-Aug-25 11:00 | 04-Sep-25 09:00 | 20.92 Days
Continuous |
848S 901, 848S 902, 848S 29PL9-2 SUNCOR ISLANDING RAS (IRAS), 29PL9-2 (29EDD-1 Millennium - 848s Ruth Lake), 848s 901 (848s Ruth Lake), 848s 902 (848s Ruth Lake) | 848S Ruth Lake Sub rebuild/upgrade protection to IEC 61850 - Cut over to new protection: 901CT,901,901B,901PT,29PL9-2D1,902B,902,902CT. | |
ATCO, Syncrude | 04-Sep-25 11:00 | 25-Sep-25 09:00 | 20.92 Days
Continuous |
848S 902, 848S 907, 848s 902 (848s Ruth Lake), 848s 907 (848s Ruth Lake), RL2 (848s Ruth Lake - D05) | 848S Ruth Lake Sub rebuild/upgrade protection to IEC 61850 - Cut over to new protection: 902,902CT,902A,902PT,RL-2D1,907A,907CT,907. | |
ATCO | 25-Sep-25 11:00 | 17-Oct-25 14:00 | 22.13 Days
Continuous |
848S 907, 848S 908, 9L58 (848s Ruth Lake - 888s Dover), 848s 907 (848s Ruth Lake), 848s 908 (848s Ruth Lake) | 848S Ruth Lake Sub rebuild/upgrade protection to IEC 61850 - Cut over to new protection: 907CT,907,907B,9L58D2,908PT,908B,908,908CT. |
AB-BC, AB-SK & AB-MATL: refer to AESO web posting: | http://itc.aeso.ca/itc/public/atc |
Also, | |
AB-BC, AB-SK & AB-MATL: refer to ISO Rule 203.6: | http://www.aeso.ca/rulesprocedures/18592.html |
Prepared On: | 2023-11-29 15:12:41 |
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