| Alberta Electric System Operator | |
| Long Range Significant Transmission Outages for the period of 24 months starting 2018-08-18 | |
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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 |
|---|---|---|---|---|---|---|
| ALTALINK | 09-May-18 11:30 | 28-Feb-19 17:00 | 295.27 Days
Continuous |
902L (19s Wabamun - 310p Sundance) | emergency safety requirement | |
| SUNCOR | 30-Jul-18 09:00 | 19-Aug-18 18:00 | 20.38 Days
Continuous |
29PL9-14 (29EDD-56 - 29EDD-34),29EDD-34 Edd34Sub | 5 year maintenance on breakers, bus CT and switches | |
| ALTALINK | 08-Aug-18 07:00 | 31-Aug-18 13:00 | 23.25 Days
Continuous |
768L (217s North Red Deer - 209s Timberlands),778L (217s North Red Deer - 87s Gaetz) | install OPGW and salvage existing o/h wire on structure tops (str12-217s) | |
| BCH | 12-Aug-18 09:00 | 16-Oct-18 17:00 | 65.33 Days
Continuous |
5L71 (Mica Creek - Nicola) | switchgear roof replacement | AB-BC |
| Syncrude | 13-Aug-18 09:00 | 23-Aug-18 22:00 | 10.54 Days
Continuous |
D05 78 (D05 D05),D05 T2 (D05 Syncrude) | urgent adjustment on protection settings | |
| ATCO | 13-Aug-18 09:00 | 26-Aug-18 18:00 | 13.38 Days
Continuous |
840S McNeill Station | arrestor install and bird proofing | AB-SK |
| ALTALINK, EPCOR | 13-Aug-18 11:00 | 23-Aug-18 16:00 | 10.21 Days
Continuous |
1057L (89s Ellerslie - 657s Summerside) | 89s452 breaker replacement and 89s73 PT replacement | |
| EPCOR | 20-Aug-18 07:00 | 21-Aug-18 17:00 | 1.42 Days
Continuous |
330p 1201 (330p Genesee) | BKR Maint | |
| ATCO | 20-Aug-18 07:00 | 26-Aug-18 18:00 | 6.46 Days
Continuous |
9L913 (69s North Barrhead - 732s Mitsue) | Outage to connect the permanent line back up to the existing line. Return to Normal after rebuilding of current section of line due to 12L41 500KV right-of-way requirements. |
|
| ATCO | 20-Aug-18 08:00 | 23-Aug-18 17:00 | 3.38 Days
Continuous |
7L20 (810s Dome Cutbank - 740s H.R.Milner) | Changing over rated XARMS | |
| BCH | 20-Aug-18 09:00 | 31-Aug-18 17:00 | 11.33 Days
Continuous |
1L274 (EFT - 1D2L274) | Annual Plan Request F19 | AB-BC |
| SUNCOR | 20-Aug-18 09:00 | 09-Sep-18 18:00 | 20.38 Days
Continuous |
29EDD-34 Edd34Sub,29PL9-15 (29EDD-56 - 29EDD-34) | 5 year maintenance on breakers, bus CT and switches | |
| ALTALINK | 20-Aug-18 09:15 | 24-Aug-18 17:45 | 4.35 Days
Continuous |
754L (245s - 754L65A) GOI,754L (245s Seebe - 754L65A) | Structure Replacements (Str 34-64) | |
| ALTALINK | 20-Aug-18 09:30 | 20-Aug-18 18:00 | 8.5 Hours
Daily |
729L (542s - 729L13A) - GOI | Installing bird diverters on two spans of OHSW between Structures #138 - #140 | |
| ALTALINK | 20-Aug-18 09:30 | 22-Aug-18 12:30 | 2.13 Days
Continuous |
510s ACF 22 GOI,510s ACF22 (510s Sunnybrook) | Outage and GOI required to inspect the Filter Bank. Inspection | |
| ALTALINK | 20-Aug-18 09:30 | 23-Aug-18 16:30 | 3.29 Days
Continuous |
71s 921L PT & 921L (71s-987s) Advice | Replace PT's | |
| ALTALINK | 20-Aug-18 10:00 | 20-Aug-18 11:00 | 60 Mins
Daily |
89s252 (1056L) Breaker Open - Advice | Required for replacing DC fuse holder in junction box for existing outage 1057L GOI. Junction box shipped with wrong fuse size holder. 89s252 breaker is required to be open to avoid protection issues with DC offline. No work is being performed around the breaker so just a breaker open advice is required | |
| ALTALINK | 20-Aug-18 10:00 | 24-Aug-18 15:00 | 4.21 Days
Continuous |
42s T1 TX18508 - GOI,42s T1 (42s Sarcee) | Repairs to Control Building Roof, Required due to proximity | |
| ALTALINK | 20-Aug-18 10:00 | 30-Aug-18 14:15 | 10.18 Days
Daily |
74s T1 & 240kV Bus 1 - GOI | Cut Open Point 'A' on 240kV Bus between 74s48 and 74s20N. Bus Required in order to replace 74s252 Ct due to proximity | |
| ALTALINK | 20-Aug-18 11:00 | 20-Aug-18 17:00 | 6 Hours
Daily |
900L (63s-17s) - GOI,17s 10 (17s Benalto),17s 1652 (17s Benalto),900L (63s Red Deer - 17s Benalto) | 17s900E Unable to open and needs to be adjusted | |
| ALTALINK | 20-Aug-18 11:00 | 23-Aug-18 18:00 | 3.29 Days
Continuous |
39s T2 TX5778 - GOI,39s T2 (39s Bickerdike) | Replace T2 Tertiary Bushing | |
| ATCO | 20-Aug-18 12:00 | 23-Aug-18 12:00 | 3 Days
Continuous |
7L199 (347s Fox Creek - 741s Fox Creek) | 7L199 relocate poles 30 36 [ crew charge ] 7L199 Line Move |
|
| ALTALINK | 20-Aug-18 13:15 | 23-Aug-18 15:45 | 3.1 Days
Continuous |
310p 2152 (310p Sundance),310p 2052 (310p Sundance) | Migrate and commission stub bus protections, breakers, breaker fail and Tele-protection alarms, status, controls, metering and remote access to new RTU and LAN. | |
| ALTALINK | 21-Aug-18 06:30 | 22-Aug-18 07:30 | 25 Hours
Daily |
754L (754L65A - 754L75) Customer Advice | Customer Requested Outage | |
| ALTALINK, EPCOR | 22-Aug-18 07:00 | 22-Aug-18 17:00 | 10 Hours
Continuous |
1238L (510s Sunnybrook - 330p Genesee),Sunnybrook | BKR Maint | |
| ALTALINK | 22-Aug-18 07:00 | 23-Aug-18 07:00 | 24 Hours
Continuous |
250p11 (250p Bighorn Plant) | maintenance | |
| ALTALINK | 22-Aug-18 07:00 | 23-Aug-18 07:00 | 24 Hours
Continuous |
250p22 (250p Bighorn Plant) | maintenance | |
| ALTALINK | 22-Aug-18 07:45 | 22-Aug-18 16:30 | 8.75 Hours
Daily |
718L (263s-250P) GOI | Installing new DDR- wiring and testing inputs, status and analogs from 718L (L7) protections | |
| ALTALINK | 22-Aug-18 12:30 | 23-Aug-18 17:30 | 29 Hours
Continuous |
510s ACF 13 GOI,510s ACF13 (510s Sunnybrook) | Outage and GOI required to inspect the Filter Bank. Inspection | |
| EPCOR | 23-Aug-18 07:00 | 24-Aug-18 17:00 | 1.42 Days
Continuous |
330p 1203 (330p Genesee) | BKR Maint | |
| ATCO | 27-Aug-18 07:00 | 28-Aug-18 15:30 | 1.35 Days
Continuous |
2029S ACF14 | ACF 14 Shunt reactor inspection & testing. | |
| ATCO | 27-Aug-18 08:00 | 30-Aug-18 17:00 | 3.38 Days
Continuous |
7L20 (810s Dome Cutbank - 740s H.R.Milner) | Changing over rated XARMS | |
| ENMAX | 27-Aug-18 08:00 | 07-Sep-18 16:00 | 11.33 Days
Continuous |
162.2TR (ENMAX 162 Beddington) | Tapchanger Inspection. Doble Test Transformer. Transformer maintenance. Check reversing SW. HV SW maint SW88 . 162.2TR gas relay testing. Doble 162PT138-T2. Fall wash?? Upgrade T60 settings. Doble 162PT138-T2. | |
| ALTALINK | 27-Aug-18 09:00 | 30-Aug-18 17:00 | 3.33 Days
Continuous |
77s 40 (77s Sagitawah) | Replacing CT's | |
| ALTALINK | 27-Aug-18 12:00 | 28-Aug-18 17:00 | 29 Hours
Continuous |
28s 44 (28s West Brooks) | Maintain 240kV SF6 breaker | |
| ATCO | 27-Aug-18 12:00 | 30-Aug-18 12:00 | 3 Days
Continuous |
7L199 (347s Fox Creek - 741s Fox Creek) | 7L199 relocate poles 30 36 [ crew charge ] 7L199 Line Move |
|
| ALTALINK | 27-Aug-18 13:00 | 30-Aug-18 16:00 | 3.13 Days
Continuous |
310p 2652 (310p Sundance),310p 2752 (310p Sundance),989L (310p Sundance - 77s Sagitawah),989L (310p - 77s) ADVICE | Migrate and commission all L1 - 974L at 310P Sundance associated line protections, breakers, breaker fail and Tele-protection alarms, status, controls, metering and remote access to new RTU and LAN. Migrate and commission CVT-L1 alarms. | |
| ALTALINK | 28-Aug-18 08:00 | 29-Aug-18 16:00 | 1.33 Days
Continuous |
86s T1 (86s Bigstone),86s T1 & 138kV Bus (804,805L) - Advice | Replace one phase of PT32064 associated with SS2. PT cables terminate in junction box 86s30 | |
| ATCO | 28-Aug-18 09:30 | 30-Aug-18 16:00 | 2.27 Days
Continuous |
963S 901,9L29 | 963S Coyote 901CT Ratio Change Project CT Ration & Relay Settings Changes on equipment Associated with 901CT and 50BF/901 Relay |
|
| ALTALINK | 29-Aug-18 07:30 | 29-Aug-18 12:30 | 5 Hours
Daily |
199L (268s-259s-347s) GOI | Outage to create open point at str 199L187A | |
| ALTALINK | 30-Aug-18 09:30 | 30-Aug-18 12:30 | 3 Hours
Daily |
42s C2/C3/- 240kV SBus - GOI | Install 240kV Pollution Monitor | |
| ENMAX | 01-Sep-18 08:00 | 01-Sep-18 18:00 | 10 Hours
Continuous |
162s 138KV & 240KV Bus. 162.2TR | Fall Substation Washing. 162.2TR, RB83, RB84. RB136, 162MD138-162.2TR, 162MD240-162.2TR | |
| ATCO | 03-Sep-18 07:00 | 09-Sep-18 18:00 | 6.46 Days
Continuous |
9L913 (69s North Barrhead - 732s Mitsue) | Outage to connect the permanent line back up to the existing line. Return to Normal after rebuilding of current section of line due to 12L41 500KV right-of-way requirements. |
|
| BCH | 03-Sep-18 09:00 | 07-Sep-18 17:00 | 4.33 Days
Continuous |
1L274 (Elkford - EFT1D22),1L274 (EFT 1D22 - 1D3L274) | Annual Plan Request | AB-BC |
| SUNCOR | 03-Sep-18 09:00 | 09-Sep-18 18:00 | 6.38 Days
Continuous |
29EDD-1 29EDD1s 552 (29EDD-1 Millennium) | maintenance - replacement of 29CT-5 | |
| BCH | 03-Sep-18 09:00 | 14-Sep-18 17:00 | 11.33 Days
Continuous |
5L98 (BCH Nicola - Vaseux Lake) | annual plan request F19 | AB-BC |
| EPCOR | 04-Sep-18 07:00 | 08-Sep-18 17:00 | 4.42 Days
Continuous |
L2405BKR @ Lambton | Maint | |
| EPCOR | 04-Sep-18 07:00 | 26-Oct-18 17:00 | 52.42 Days
Continuous |
TX1 @ Petrolia,816s T1 (816s Petrolia) | Tap Changer & Bushing replacements | |
| ALTALINK | 04-Sep-18 07:30 | 04-Sep-18 17:00 | 9.5 Hours
Daily |
367s T2,240kV Bus 2 & 138kV Bus 2 GOI | Retesting of T2 non-electrical trips to all bus breakers. Replace 509ITM | |
| ALTALINK | 04-Sep-18 08:00 | 17-Sep-18 17:00 | 13.38 Days
Continuous |
681s T2 (Tx18863) GOI | Isolate and install grounds for the Customer to repair cable terminations | |
| CNRL | 04-Sep-18 08:00 | 20-Sep-18 15:00 | 16.29 Days
Continuous |
75-TR-1801 (838s Horizon Mining),75-TR-2701 (838s Horizon Mining) | transformer OLTC maintenance | |
| CNRL | 04-Sep-18 08:00 | 20-Sep-18 15:00 | 16.29 Days
Continuous |
842s 75-TR-4701 (842s Horizon Upgrading),75-TR-8701 (842s Horizon Upgrading) | transformer OLTC maintenance | |
| ALTALINK | 04-Sep-18 08:15 | 21-Sep-18 16:45 | 17.35 Days
Continuous |
918L (281s - C162s) GOI | component replacement, and installing interphase spacers on 918L circuit between str 763-839 | |
| ALTALINK | 04-Sep-18 10:00 | 07-Sep-18 09:00 | 2.96 Days
Continuous |
289s1552 GOI | [SWEATD] Replacement of CT at 289s1552 | |
| ALTALINK | 04-Sep-18 11:00 | 08-Sep-18 10:00 | 3.96 Days
Continuous |
HVDC Link 510s buses A and B,511s AC ya | 510s, 511s HVDC Link Outage to modify and test disconnects and earthing switches in the HVDC AC and DC yards. DC Link will be out of service. 1238L will be open. 1239L and 1203L remain in service. | |
| ALTALINK, ATCO | 05-Sep-18 11:00 | 05-Sep-18 15:00 | 4 Hours
Daily |
953L/9L953 (574s - A755s) De-energized (,953L (574s Nilrem - 755s Cordel),9L953 (574s Nilrem - 755s Cordel) | Required for 9465R (lougheed) Tower Replacement (dynamic study) | |
| ALTALINK | 06-Sep-18 07:30 | 06-Sep-18 16:30 | 9 Hours
Daily |
86s 1752 (86s Bigstone),914L (86s Bigstone - 87s Gaetz),86s1752 (affecting 914L) GOI | top up low oil on 240kV HLR-E breaker | |
| EPCOR | 08-Sep-18 07:00 | 08-Sep-18 17:00 | 10 Hours
Continuous |
Bus 2 240KV @ Cloverbar | Doble | |
| ALTALINK | 08-Sep-18 08:00 | 14-Sep-18 17:00 | 6.38 Days
Continuous |
Valve Hall and T11 GOI,510s DC yard | 510s HVDC Link Outage/ Annual Inspection and Maintenance. DC Link will be out of service. | |
| ALTALINK | 08-Sep-18 09:00 | 14-Sep-18 17:00 | 6.33 Days
Continuous |
511s DC yard,Valve Hall and T11 GOI | Annual Inspection and Maintenance, Link will be out of service. Link will be out of service | |
| ENMAX | 09-Sep-18 12:00 | 09-Sep-18 18:00 | 6 Hours
Continuous |
21.80L. 20.82L. TAU CAP. 21.1TR. 21.4TR | Fall Substation Washing | |
| ATCO | 10-Sep-18 07:00 | 28-Sep-18 17:00 | 18.42 Days
Continuous |
919S 906,847S 901T | Transformer protection upgrade during planned generator turnaround. | |
| ALTALINK | 10-Sep-18 07:30 | 10-Sep-18 12:30 | 5 Hours
Daily |
199L (268s-259s-347s) GOI | Outage to close open point at str 199L187A | |
| ENMAX | 10-Sep-18 08:00 | 10-Sep-18 18:00 | 10 Hours
Continuous |
50L. 21.2TR. 138KV PT @ Bearspaw. 21 CAP | Fall Substation Washing. 50L, 21.2TR, 21CAP | |
| ATCO | 10-Sep-18 08:00 | 13-Sep-18 17:00 | 3.38 Days
Continuous |
7L20 (810s Dome Cutbank - 740s H.R.Milner) | Changing over rated XARMS | |
| ALTALINK | 10-Sep-18 08:00 | 27-Sep-18 17:00 | 17.38 Days
Continuous |
62s T5 (62s Brazeau) | Protection upgrade | |
| BCH | 10-Sep-18 09:00 | 14-Sep-18 17:00 | 4.33 Days
Continuous |
1L274 (B1s BCH Natal - 1D1L274) | 2018 annual plan work | AB-BC |
| ALTALINK | 10-Sep-18 09:00 | 21-Sep-18 15:30 | 11.27 Days
Continuous |
755L (535s Joffre - 247s Piper Creek),247s Piper Creek 138kV Bus,427L (63s Red Deer - 247s Piper Creek) | Replacement of protection and control devices | |
| SUNCOR | 10-Sep-18 09:00 | 23-Sep-18 18:00 | 13.38 Days
Continuous |
260kV bus 29PP-45 (29EDD-34) | 5 year maintenance on 29PP-45 bus | |
| ATCO | 10-Sep-18 09:30 | 12-Sep-18 13:00 | 2.15 Days
Continuous |
946s 901 (946s Oakland) | 946S Oakland BKR 901 CT Ratio Increase CT Ratio Changes and Protection Settings |
|
| ALTALINK | 11-Sep-18 08:00 | 11-Sep-18 16:00 | 8 Hours
Continuous |
788L/788AL/602L/789L (157s - 140s - A898,788L (898s Heart Lake - 788L107A - 602L1),788L (157s Lac La Biche - 898s Heart Lake),789L (818s Winefred - 898s Heart Lake) | Adjusting 788L107A and 788L106B | |
| ENMAX | 11-Sep-18 08:16 | 11-Sep-18 16:00 | 7.73 Hours
Continuous |
162s 240KV Bus. 918L | Fall Substation Washing. 918L, RB133, RB132. 918L already out of service (Altalink request) | |
| BCH | 11-Sep-18 09:00 | 11-Sep-18 17:00 | 8 Hours
Continuous |
2L113 (B1s Natal - B2s Cranbrook),1L274 (B1s BCH Natal - 1D1L274) | Placeholder for Annual Plan Request F19 | AB-BC |
| SUNCOR | 11-Sep-18 09:00 | 14-Sep-18 18:00 | 3.38 Days
Continuous |
29EDD-1 29EDD1s 452 (29EDD-1 Millennium) | SF6 top up and leak repair | |
| ALTALINK | 12-Sep-18 07:00 | 12-Sep-18 18:00 | 11 Hours
Daily |
789L (818s Winefred - 898s Heart Lake),788L (788L Tap - 898s Heart Lake),788L (898s Heart Lake - 788L107A - 602L1),788L(788L107A - A898s) and 602L/789L - G | Adjusting 602LA1 and OHSW @ Structure 788L277 | |
| ATCO | 12-Sep-18 13:01 | 14-Sep-18 16:00 | 2.12 Days
Continuous |
946S 902 | 946S Oakland 902CT Ratio Increase, CT Ratio and Protection Settings Changes | |
| ALTALINK | 13-Sep-18 08:00 | 15-Sep-18 17:00 | 2.38 Days
Continuous |
180L (15s Fort Macleod - 928s East Stavely),180L (15s-928s) GOI | Place / dress new 15s T2 underneath 180L | |
| ALTALINK | 13-Sep-18 09:30 | 13-Sep-18 16:30 | 7 Hours
Continuous |
681s 1152 (681s Bannerman) | N Ph densimeter req replacement | |
| ENMAX, ALTALINK | 15-Sep-18 08:00 | 15-Sep-18 16:00 | 8 Hours
Continuous |
36.81L (44s Bearspaw - ENMAX 36) | SF6 gas sample 36B138-36.81 | |
| ATCO | 17-Sep-18 07:00 | 18-Sep-18 13:30 | 30.5 Hours
Continuous |
2029S ACF23 | Filter Bank Maintenance and Inspection, redundant filter banks in service, no system impact | |
| EPCOR | 17-Sep-18 07:00 | 21-Sep-18 17:00 | 4.42 Days
Continuous |
805s T1 (805s Jasper),72JM18 (805s Jasper - Meadowlark),72JW19 (805s Jasper - Woodcroft),TX1 @ Jasper | Doble | |
| ALTALINK | 17-Sep-18 07:00 | 28-Sep-18 18:00 | 11.46 Days
Continuous |
681s T1 (Tx18862) GOI | Customer outage to repair cable terminations | |
| ALTALINK | 17-Sep-18 08:00 | 21-Sep-18 16:30 | 4.35 Days
Continuous |
268s Station Advice | 69 kV bus PT replacement, protection replacement - 503L, connect protections on 526L to 268s503 (temporary), work on 138 kV Bus rebuild. | |
| ALTALINK | 17-Sep-18 09:00 | 17-Sep-18 18:00 | 9 Hours
Daily |
926L & 17s 240kV NBus & T1 - GOI | Outage required to replace strain insulators on 995L due to reasons of approach. 995L goes over top of the north bu | |
| BCH | 17-Sep-18 09:00 | 21-Sep-18 17:00 | 4.33 Days
Continuous |
5L94 (Cranbrook - 102s Langdon) | Annual Plan Request F19 | |
| ALTALINK | 17-Sep-18 09:00 | 24-Sep-18 16:00 | 7.29 Days
Continuous |
995L (17s- Open Jumpers) - ADVICE | Replacement of Strain insulators for 995L (on sub side of 17s995N switch),Post insulators for 17s76, 17s77, CVT(17s78) replacement 17s12 and 17s13 breaker controls (new C60 relays) | |
| ALTALINK | 17-Sep-18 09:00 | 24-Sep-18 18:00 | 7.38 Days
Daily |
17s C1 - GOI | Outage required to replace strain insulators on 995L due to reasons of approach on the substation side of 995L | |
| MONTANA | 17-Sep-18 09:00 | 27-Sep-18 18:00 | 10.38 Days
Continuous |
MATL (120s Picture Butte - Montana) | align with 1201L outage | AB-MATL |
| ALTALINK | 17-Sep-18 09:00 | 27-Sep-18 18:00 | 10.38 Days
Continuous |
1201L (520s Bennett - BCH Cranbrook) | AML Maintenance Components and BCH Line Maintenance | AB-BC |
| ATCO | 17-Sep-18 10:00 | 19-Sep-18 12:00 | 2.08 Days
Continuous |
946s 903 (946s Oakland) | 946S Oakland 903CT Ratio Increase, CT Ratio Changes and Protection Settings | |
| ALTALINK | 17-Sep-18 10:30 | 19-Sep-18 17:30 | 2.29 Days
Continuous |
310p252 GOI | 310p252 (CB773) MO 240kV HPF | |
| ALTALINK | 17-Sep-18 12:30 | 20-Sep-18 16:00 | 3.15 Days
Continuous |
275s T2 (275s Jenner) | Maintain, fix leaks and heaters on T2 and have MR techs onsite to perform tapchanger upgrades. | |
| ALTALINK | 17-Sep-18 13:00 | 20-Sep-18 16:00 | 3.13 Days
Continuous |
926L (310p - 17s) Advice | Migrate and commission all L9 - 926L at 310P Sundance associated line protections, breakers, breaker fail and Tele-protection alarms, status, controls, metering and remote access to new RTU and LAN. Migrate and commission CVT-L4 alarms. | |
| ALTALINK, Lethbridge | 18-Sep-18 08:00 | 04-Oct-18 14:00 | 16.25 Days
Continuous |
813L (241s Lethbridge Uplands - 146s Lethbridge MacDonald),667L (370s North Lethbridge - 146s Lethbridge MacDonald) | Replace 138kv motorized airbreak | |
| ALTALINK, Lethbridge | 18-Sep-18 08:00 | 04-Oct-18 14:00 | 16.25 Days
Continuous |
667L (370s North Lethbridge - 146s Lethbridge MacDonald),370s75 (667L) Advice for CofL | Switch replacement @ 146s - City of Lethbridge | |
| ALTALINK | 18-Sep-18 08:00 | 25-Oct-18 14:00 | 37.25 Days
Continuous |
752L (64s - 752L67) GOI | Project Rebuild of 752L of str66 to 64s | |
| ALTALINK | 18-Sep-18 16:00 | 11-Oct-18 15:00 | 22.96 Days
Continuous |
163s Partial 138kV Bus - Advice | Replace 163s4 PT, Replace 163s64 Breaker, & Add New 163s65, Switch & Perform 163s869W Breaker Fail Replacement. | |
| ALTALINK | 19-Sep-18 09:00 | 24-Sep-18 16:00 | 5.29 Days
Continuous |
74s T2 (TX18571) -GOI | Fix oil leaks on T2 Tx18571, doble and maintain. | |
| ENMAX | 19-Sep-18 12:00 | 19-Sep-18 18:00 | 6 Hours
Continuous |
23.80L. 23.4TR | Fall Substation Washing | |
| ATCO | 19-Sep-18 13:00 | 21-Sep-18 16:00 | 2.13 Days
Continuous |
946s 904 (946s Oakland) | 946S Oakland BKR 904 CT Ratio Increase CT Ratio Changes and Protection Settings |
|
| ALTALINK | 21-Sep-18 16:30 | 19-Oct-18 08:00 | 27.65 Days
Continuous |
T3 & 138 kV Bus Advice,797L (364s Whitecourt industrial - 268s Whitecourt),268s T1 (268s Whitecourt),268s T3 (268s Whitecourt),199L (268s Whitecourt - 199L187B) | Complete replacement of 138 kV equipment and protections. | |
| ENMAX | 22-Sep-18 12:00 | 22-Sep-18 18:00 | 6 Hours
Continuous |
7.84L. 36.81L. 36.1TR. 36.3TR. 36PT138-Z31. 7PT138-7.84 | Fall Substation Washing 36.1, 36.3, BT3 | |
| EPCOR | 23-Sep-18 07:00 | 23-Sep-18 17:00 | 10 Hours
Continuous |
920L @ Castledowns / North Calder | Doble | |
| ALTALINK | 24-Sep-18 07:00 | 24-Sep-18 09:59 | 2.98 Hours
Daily |
879L (244s - 368s) GOI for HLM | high load move | |
| ATCO | 24-Sep-18 07:00 | 25-Sep-18 15:30 | 1.35 Days
Continuous |
2029S ACF12 | Filter Bank Maintenance and Inspection, redundant filter banks in service, no system impact | |
| ATCO | 24-Sep-18 08:00 | 28-Sep-18 15:00 | 4.29 Days
Continuous |
9L46 (932s Pemukan - 959s Lanfine) | GOI to complete the OPGW repair. on 9L46
STUDY DUE AUGUST 14 2018 |
|
| ALTALINK | 24-Sep-18 08:00 | 28-Sep-18 17:00 | 4.38 Days
Continuous |
511s T30 and SVC Plus GOI | Repair leaking bladder on TX30 (Tx18871), Replace failed power module in the SVC Plus. No impact to Link Dispatch for MW transfer. No impact to Link Dispatch for MW transfer. | |
| SUNCOR | 24-Sep-18 09:00 | 05-Oct-18 18:00 | 11.38 Days
Continuous |
29PL9-15 (29EDD-56 - 29EDD-34),29PL9-14 (29EDD-56 - 29EDD-34) | maintenance on bus 29PP-41F | |
| ATCO | 24-Sep-18 10:00 | 26-Sep-18 12:00 | 2.08 Days
Continuous |
946s 905 (946s Oakland) | 946S Oakland 905CT Ratio Increase, CT Ratio Changes and Protection Settings | |
| ALTALINK | 24-Sep-18 10:01 | 24-Sep-18 13:00 | 2.98 Hours
Daily |
612L (336s - 368s) GOI for HLM | high load move | |
| ALTALINK | 24-Sep-18 10:30 | 27-Sep-18 17:30 | 3.29 Days
Continuous |
89s752 GOI | 89s752 leaking capacitors, ADD 89s752 (CB1011) MO 240kV HPF | |
| ALTALINK | 24-Sep-18 13:00 | 27-Sep-18 16:00 | 3.13 Days
Continuous |
973L (310p - 39s) Advice | Migrate and commission all L8 - 973L at 310P Sundance associated line protections, breakers, breaker fail and Tele-protection alarms, status, controls, metering and remote access to new RTU and LAN. Migrate and commission CVT-L8 alarms. | |
| EPCOR | 25-Sep-18 07:00 | 26-Sep-18 17:00 | 1.42 Days
Continuous |
805s C1 (805s Jasper) | Doble | |
| ALTALINK | 25-Sep-18 08:00 | 25-Sep-18 16:00 | 8 Hours
Daily |
870L (263s-262s) GOI | Installing new DDR- wiring and testing inputs, status and analogs from 870L (L5) protections. | |
| BCH | 25-Sep-18 09:00 | 28-Sep-18 17:00 | 3.33 Days
Continuous |
1L274 (Britt Creek - 1D4L274) | rating restoration project & replace end-of-life structures | AB-BC |
| ATCO | 26-Sep-18 07:00 | 27-Sep-18 15:30 | 1.35 Days
Continuous |
2029S ACF13 | Filter Bank Maintenance and Inspection, redundant filter banks in service, no system impact | |
| EPCOR | 26-Sep-18 07:00 | 28-Sep-18 17:00 | 2.42 Days
Continuous |
Tx2 Outage @ 803S Lambton S/S | Cutover of new relay protection | |
| ENMAX | 26-Sep-18 12:00 | 26-Sep-18 18:00 | 6 Hours
Continuous |
162s 240KV Bus. 932L | Fall Substation Washing. 932L, RB135, RB136 | |
| ATCO | 26-Sep-18 13:00 | 28-Sep-18 16:00 | 2.13 Days
Continuous |
946s 908 (946s Oakland) | 946S Oakland 908CT Ratio Increase, CT Ratio Changes and Protection Settings | |
| EPCOR | 27-Sep-18 07:00 | 28-Sep-18 17:00 | 1.42 Days
Continuous |
816s P2404 (816s Petrolia) | Doble | |
| ATCO | 27-Sep-18 10:30 | 28-Sep-18 16:00 | 29.5 Hours
Continuous |
885S 902T,885S 501R | Investigate and Repair Oil Leak, 240/144 tie transformer and 501 Reactor unavailable. | |
| ATCO | 28-Sep-18 07:00 | 03-Oct-18 17:00 | 5.42 Days
Continuous |
7L75 | Upgrade 7L75 protection and install new TPR and RAS | |
| ENMAX | 28-Sep-18 08:00 | 28-Sep-18 18:00 | 10 Hours
Continuous |
24PT138-Z31. 24.81L. 24.83L. 24B138-24BT3. 24.1TR | Doble 24PT138-Z31, 24B138-24.83. SF6 Gas sample 24B138-24.83. Check reversing SW 24.1TR. Sub Washing | |
| EPCOR | 01-Oct-18 07:00 | 03-Oct-18 17:00 | 2.42 Days
Continuous |
Tx1 Outage @ 803S Lambton S/S | Cutover of new relay protection | |
| ALTALINK | 01-Oct-18 07:00 | 04-Oct-18 17:00 | 3.42 Days
Continuous |
916L (42s-5s) GOI | 916L POW breaker (1352) modifications | |
| ALTALINK | 01-Oct-18 08:00 | 05-Oct-18 18:00 | 4.42 Days
Continuous |
62s 207 (62s Brazeau),62s 31 (62s Brazeau),62s T7 (62s Brazeau),62s T4 (62s Brazeau),62s T5 (62s Brazeau),62s C1 (62s Brazeau),202L (61s Lodgepole - 62s Brazeau),801L (62s Brazeau - 294s Brazeau Outlet Works),62s 138 KV Bus Advice | Protection upgrade | |
| ATCO | 01-Oct-18 10:00 | 03-Oct-18 12:00 | 2.08 Days
Continuous |
946s 909 (946s Oakland) | 946S Oakland BKR 909 CT Ratio Increase CT Ratio Changes and Protection Settings |
|
| MONTANA | 01-Oct-18 11:00 | 04-Oct-18 18:00 | 3.29 Days
Continuous |
MATL (120s Picture Butte - Montana) | align with 1201L outage | AB-MATL |
| ALTALINK | 01-Oct-18 12:00 | 04-Oct-18 18:00 | 3.25 Days
Continuous |
1201L (520s Bennett - BCH Cranbrook) | Maintenance Components | AB-BC |
| ALTALINK | 01-Oct-18 13:00 | 04-Oct-18 16:00 | 3.13 Days
Continuous |
1046L (310p - 338s) ADVICE | Migrate and commission all L4 - 1046L at 310P Sundance associated line protections, breakers, breaker fail and Tele-protection alarms, status, controls, metering and remote access to new RTU and LAN. Migrate and commission CVT-L4 alarms. | |
| SUNCOR | 02-Oct-18 09:00 | 12-Oct-18 18:00 | 10.38 Days
Continuous |
29PL9-2 (29EDD-1 Millennium - 848s Ruth Lake) | maintenance on 29CTT-1 in 29EDD-1 | |
| ALTALINK | 02-Oct-18 10:15 | 04-Oct-18 17:45 | 2.31 Days
Continuous |
520s T1 (520s Bennett) | Installing a main tank oil filter on TX18415 | AB-BC |
| ALTALINK | 03-Oct-18 07:00 | 24-Oct-18 18:00 | 21.46 Days
Continuous |
510s2852 and 510s3052 (1238L) - GOI | Installing new 510s2952, CT's, 510s46, 510s48 and protection/breaker fail mods; Closing Open Points 'A', 'B', 'D' & 'E' | |
| ALTALINK | 03-Oct-18 08:00 | 04-Oct-18 15:00 | 31 Hours
Continuous |
650s SVC Outage | Inspection on the SVC | |
| ENMAX | 07-Oct-18 08:00 | 07-Oct-18 18:00 | 10 Hours
Continuous |
162s 138KV Bus. 162.81L | Fall Substation Washing | |
| BCH | 08-Oct-18 09:00 | 12-Oct-18 17:00 | 4.33 Days
Continuous |
1L275 (799s Coleman - Natal) | Annual Plan Request F19 - Kirk Carston or Trevor Wareham | AB-BC |
| ATCO | 09-Oct-18 07:00 | 10-Oct-18 15:30 | 1.35 Days
Continuous |
2029S ACF11 | Filter Bank Maintenance and Inspection, redundant filter banks in service, no system impact | |
| ALTALINK | 09-Oct-18 12:00 | 09-Oct-18 17:00 | 5 Hours
Daily |
777L (48s - 245s) GOI | Adjust 245s24 switch. | |
| ALTALINK | 09-Oct-18 12:00 | 12-Oct-18 18:00 | 3.25 Days
Continuous |
1112L (89s - 289s) - GOI | Component replacements between Structures #1 - 49 | |
| ATCO | 11-Oct-18 07:00 | 17-Oct-18 17:00 | 6.42 Days
Continuous |
800S 702,7L73 | Upgrade 7L73 protection and install TPR and new RAS. | |
| ALTALINK | 11-Oct-18 07:30 | 29-Oct-18 17:00 | 18.4 Days
Continuous |
15s Partial 138kV Bus & T1 (180L,463L) | 15s substation reconfiguration | |
| BCH | 12-Oct-18 09:00 | 19-Nov-18 17:00 | 38.38 Days
Continuous |
5L72 (Mica Creek - Nicola) | Placeholder for MCA Switchgear Roof Replacement. | AB-BC |
| ATCO | 13-Oct-18 07:00 | 13-Oct-18 17:00 | 10 Hours
Continuous |
7L73 (829s Boucher Creek - 800s Friedenstal),800s 702 (800s Friedenstal) | Breaker fail testing | |
| BCH | 15-Oct-18 08:00 | 15-Oct-18 16:00 | 8 Hours
Continuous |
2L294 (Nelway - A.A. Lambert) | Fortis Annual Plan 2018
(Outage)AAL CB3-1 Switch Replacement, to CREATE BUS CUT to RESTORE 2L294 during the replacement of CB3-1 |
AB-BC |
| BCH | 15-Oct-18 09:00 | 19-Oct-18 17:00 | 4.33 Days
Continuous |
1L274 (EFT - 1D2L274) | Annual Plan Request F19 | AB-BC |
| ALTALINK | 15-Oct-18 10:30 | 25-Oct-18 15:00 | 10.19 Days
Continuous |
64s T1 & 901L - GOI | Replace 64s901 Breaker to SF6 Type | |
| ALTALINK | 15-Oct-18 11:00 | 19-Oct-18 15:00 | 4.17 Days
Continuous |
719L (575s-378s) - GOI | Upgrade 378s Shell Caroline Line Prot (A21/L4 & B21/L4. | |
| ALTALINK | 15-Oct-18 12:00 | 18-Oct-18 18:00 | 3.25 Days
Continuous |
914L (289s - 86s) - GOI | Component replacements between Structures #52 - 143 | |
| ALTALINK | 16-Oct-18 07:00 | 17-Oct-18 18:00 | 1.46 Days
Continuous |
72s T1 (72s Leismer),72s T1 & 25kV Bus - GOI | Transformer Bushing Replacement | |
| ALTALINK | 19-Oct-18 11:00 | 19-Oct-18 14:00 | 3 Hours
Daily |
268s503 Advice,268s 503 (268s Whitecourt),503L (268s Whitecourt - 323s Whitecourt Power) | Disconnect temporary trip. Will be restoring 268s T1 while 268s503 is out of service. | |
| BCH | 19-Oct-18 15:00 | 19-Oct-18 17:00 | 2 Hours
Continuous |
5L52 (Ingledow - Custer) | ING 5D25 cutting over controls to new station control equipment | AB-BC |
| ALTALINK | 22-Oct-18 12:00 | 06-Nov-18 18:00 | 15.29 Days
Continuous |
914L (86s - 87s) - GOI | Component replacements between Structures #144 - 391 | |
| ATCO | 25-Oct-18 07:00 | 02-Nov-18 17:00 | 8.42 Days
Continuous |
7L73,730S 703 | Upgrade 7L73 protection and install teleprotection and new RAS @ 730s, 829s radial fed from 800s. | |
| BCH | 25-Oct-18 09:00 | 25-Oct-18 17:00 | 8 Hours
Continuous |
2L294 (Nelway - A.A. Lambert) | Fortis Annual Plan 2018 and AAL CB3-1 Switch Replacement | AB-BC |
| ATCO | 29-Oct-18 07:00 | 29-Oct-18 17:00 | 10 Hours
Continuous |
7L07 (790s Poplar Hill - 815s Goodfare),815s 702 (815s Goodfare) | Protection upgrade | |
| BCH | 29-Oct-18 09:00 | 08-Nov-18 17:00 | 10.38 Days
Continuous |
1L274 (Britt Creek - 1D4L274) | Rating Restoration project & replace end-of-life structures | AB-BC |
| ATCO | 30-Oct-18 07:00 | 30-Oct-18 17:00 | 10 Hours
Continuous |
815s 704 (815s Goodfare),7L69 (815s Goodfare - 731s Elmworth) | Protection upgrade for Advantage Oil and Gas addition | |
| ALTALINK, Lethbridge | 05-Nov-18 13:00 | 06-Dec-18 14:00 | 31.04 Days
Continuous |
824L (593s Lethbridge Lakeview - 618s Riverbend) | Install self-supporting structures | |
| BCH | 06-Nov-18 09:00 | 16-Nov-18 17:00 | 10.33 Days
Continuous |
1L274 (Britt Creek - 1D4L274) | Annual Plan Request F19 | AB-BC |
| CapitalPower, ATCO | 07-Nov-18 07:00 | 07-Nov-18 17:00 | 10 Hours
Continuous |
615S Halkirk,9L93 | Attach new in out station | |
| ALTALINK | 07-Nov-18 07:00 | 08-Nov-18 18:00 | 1.46 Days
Continuous |
914L (87s - 63s) - GOI | Component replacements between Structures #430 - 449 | |
| ATCO | 13-Nov-18 07:00 | 17-Nov-18 17:30 | 4.44 Days
Continuous |
7L77,7L65 | Transfer line to new substation
7L65 and 77 Lines on a common H frame structure. Only 7L77 being moved at this time. |
|
| ALTALINK | 13-Nov-18 09:15 | 29-Nov-18 17:45 | 16.35 Days
Continuous |
925L (63s Red Deer - 74s Janet) | Maintenance Components (Str 117-404) | |
| ALTALINK | 26-Nov-18 07:00 | 04-Dec-18 18:00 | 8.46 Days
Continuous |
510s 2952 (510s Sunnybrook),510s 2852 (510s Sunnybrook) | Closing Open Point 'C' and energizing new VT13 and new reactor bank R3 (72 hour soak test) | |
| ALTALINK | 03-Dec-18 07:00 | 06-Dec-18 18:00 | 3.46 Days
Continuous |
1046L (310p Sundance - 338s Cherhill) | 1046L will be connected into 19s | |
| BCH | 04-Dec-18 09:00 | 14-Dec-18 17:00 | 10.33 Days
Continuous |
1L274 (Britt Creek - 1D4L274) | Annual Plan Request F19 | AB-BC |
| CapitalPower, ATCO | 07-Dec-18 07:00 | 12-Dec-18 17:00 | 5.42 Days
Continuous |
9L93,615S Halkirk | Reroute OPGW test and commission. | |
| ALTALINK | 01-Jan-19 07:00 | 28-Feb-19 18:00 | 58.46 Days
Continuous |
1046L (310p Sundance - 338s Cherhill),902L (19s Wabamun - 310p Sundance),1046L (310p-338s-19s) and 902L (310p-19s | Replacing structures | |
| ATCO | 08-Jan-19 07:00 | 11-Jan-19 17:30 | 3.44 Days
Continuous |
9L01 (888s Dover - 848s Ruth Lake) | 9L01 Cut in for in and out addition of 951S Thickwood Hills substation. Remove bypass at substation. | |
| ATCO | 15-Jan-19 07:00 | 18-Jan-19 17:30 | 3.44 Days
Continuous |
9L07 (885s McMillan - 888s Dover) | Cut in 951S Thickwood Hills substation. | |
| BCH | 15-Jan-19 09:00 | 18-Jan-19 17:00 | 3.33 Days
Continuous |
2L294 (Nelway - A.A. Lambert) | Placeholder for Annual Plan Request F19 - BC maintenance does not affect AB ATC | AB-BC |
| ENMAX | 04-Feb-19 08:00 | 15-Feb-19 16:00 | 11.33 Days
Continuous |
24.83L | Transmission Line Relocate | |
| ALTALINK, Lethbridge | 02-Apr-19 13:00 | 09-Apr-19 15:00 | 7.08 Days
Continuous |
725L (674s Lethbridge Bowron - 15s Fort MacLeod) | replace 138KV Breaker | |
| ALTALINK, Lethbridge | 23-Apr-19 13:00 | 09-May-19 14:00 | 16.04 Days
Continuous |
725L (111s Coalbanks - 674s Lethbridge Bowron) | replace 138KV Breaker | |
| ATCO | 03-Jun-19 09:00 | 29-Jul-19 17:00 | 56.33 Days
Continuous |
840S McNeill Station | 2019 McNeill Fall T/A. Arrestor install and Bird Proofing | AB-SK |
| ATCO | 16-Jul-19 07:00 | 19-Jul-19 17:30 | 3.44 Days
Continuous |
9L46 (932s Pemukan - 959s Lanfine) | Attach new Sharp Hills wind farm in/out connection. |
| AB-BC, AB-SK & AB-MATL: refer to AESO web posting: | http://itc.aeso.ca/itc/public/reportIndex.do |
| Also, | |
| AB-BC, AB-SK & AB-MATL: refer to ISO Rule 203.6: | http://www.aeso.ca/rulesprocedures/18592.html |
| Prepared On: | 2018-08-09 3:24:19 PM |
|
This document and the information contained herein are based upon information and data which by their nature contain a degree of uncertainty and are subject to change. In addition, this document may contain information and data from public sources and/or third parties, which have been assumed to be accurate and complete and have not been verified. Accordingly, the Independent System Operator, operating as the Alberta Electric System Operator (the "AESO") makes no warranty, representation or guarantee, express or implied, with respect to this document or the information contained herein, including, but not limited to, any warranty, representation or guarantee of accuracy, completeness, timeliness, reliability, availability, absence of computer virus, non- infringement, merchantability or suitability for any purpose. Under no circumstances will the AESO, its members, officers, employees, contractors or agents, or any of their respective affiliates, be liable for any errors or omissions in, or any losses, damages or claims whatsoever, whether in contract, tort or otherwise, arising from use of or reliance upon, this document or any information contained herein. © 2009 Alberta Electric System Operator. All rights reserved |