45 23/03/2015 06:30 VIC1 A 3 31 136 V-S-MNSP1 -27 -151 -124 100 Increase in demand Demand changes 46 23/03/2015 06:45 VIC1 A 4 41 209 T-V-MNSP1 -319 -114 204 190 Increase in demand Demand changes 47 23/03/2015 07:05 VIC1 A 5 127 23 82 -154 -236 190 Decrease in VIC demand Demand changes 48 23/03/2015 16:15 VIC1 A 99 115 16 T-V-MNSP1 -436 -235 201 190 Rebidding of capacity in TAS Rebidding 49 24/03/2015 06:35 VIC1 A 6 40 290 T-V-MNSP1 -285 -90 195 190 Increase in demand Demand changes 50 25/03/2015 07:05 VIC1 A 8 276 31 268 50 -218 190 Shifting of capacity in TAS Shifting 51 30/03/2015 07:05 QLD1 A 13 458 32 NSW1-QLD1 348 38 -310 240 Shift of capacity in TAS and reduction in demand Demand changes TAS1 A 6 272 40 -49 -254 -205 190 VIC1 A 9 277 28 T-V-MNSP1 -49 -254 -205 190 52 16/04/2015 09:40 SA1 A 245 13500 55 V-S-MNSP1 220 82 -138 100 Shifting of generation capacity and reduction in demand Shifting 53 26/04/2015 23:45 SA1 A 230 58 V-S-MNSP1 79 188 108 100 High demand due to hot water load management and rebidding Demand changes 54 26/04/2015 23:50 SA1 A 364 37 188 46 -142 100 Reduction in demand Demand changes 55 29/04/2015 08:50 SA1 A 56 2525 44 V-SA 399 244 -155 150 Reduction in demand and rebidding of capacity Demand changes
56 29/04/2015 15:25 SA1 A 75 3167 41 V-SA 432 274 -159 150 Reduction in demand and rebidding of capacity; Murraylink out of service Demand changes 57 01/05/2015 08:50 SA1 A 72 72 0 -175 -69 106 100 Shifting of capacity during a planned outage in NSW Shifting VIC1 A 554 554 0 V-S-MNSP1 -175 -69 106 100 58 01/05/2015 09:00 SA1 A 288 0 288 V-SA 108 363 256 150 Withdrawal of capacity during a planned outage in NSW Withdrawal of capacity SA1 A 288 0 288 220 -183 -403 100 VIC1 A 2401 0 2401 V-SA 108 363 256 150 VIC1 A 2401 0 2401 V-S-MNSP1 220 -183 -403 100 59 01/05/2015 10:00 VIC1 A 5 137 24 V-S-MNSP1 -172 -55 118 100 Decrease in demand and changes in interconnector due to constraint Constraint equation action 60 01/05/2015 10:05 VIC1 A 5 24 134 V-S-MNSP1 -55 -188 -134 100 Changes in interconnector flow due to constraint Constraint equation action 61 01/05/2015 10:10 VIC1 A 125 134 9 V-S-MNSP1 -188 6 194 100 Changes in interconnector flow due to constraint Constraint equation action 62 14/05/2015 06:30 VIC1 A 4 27 139 V-S-MNSP1 -8 -168 -160 100 Increase in demand Demand changes 63 23/05/2015 18:25 SA1 A 249 13500 54 220 78 -142 100 Decrease in demand and rebidding of capacity Demand changes 64 23/05/2015 18:40 SA1 A 3 47 200 18 195 177 100 Increase in demand and rebidding Demand changes 65 TAS1 A 6 270 41 T-V-MNSP1 184 386 202 190
87 11/08/2015 07:10 QLD1 A 4 42 200 N-Q-MNSP1 0 80 80 80 Rebidding of capacity and limited interconnector flow Rebidding 88 11/08/2015 07:15 QLD1 A 4 200 42 N-Q-MNSP1 80 -1 -82 80 Rebidding of capacity and limited interconnector flow Rebidding 89 14/08/2015 06:55 QLD1 A 5 55 309 N-Q-MNSP1 -17 65 82 80 Rebidding of capacity and limited interconnector flow Rebidding 90 14/08/2015 07:25 QLD1 A 4 292 55 N-Q-MNSP1 78 -2 -80 80 Decrease in demand Demand changes 91 16/08/2015 19:40 SA1 A 17 34 590 V-S-MNSP1 117 220 103 100 Increase in demand when non-scheduled generation went offline Demand changes 92 17/08/2015 01:35 TAS1 A 98 0 98 T-V-MNSP1 312 104 -208 190 Shifting of capacity Shifting 93 17/08/2015 20:20 SA1 A 354 38 V-S-MNSP1 209 18 -191 100 Decrease in demand and rebidding of capacity Demand changes 94 18/08/2015 07:55 SA1 A 15 59 959 V-S-MNSP1 48 153 105 100 Rebidding of capacity and increase in demand Rebidding VIC1 A 11 49 608 V-S-MNSP1 48 153 105 100 95 27/08/2015 07:40 SA1 A 308 13801 45 V-S-MNSP1 220 18 -202 100 Decrease in demand and rebidding of capacity Demand changes 96 27/08/2015 08:10 SA1 A 165 65 V-S-MNSP1 99 205 106 100 Rebidding of capacity and generation went offline Rebidding
119 17/12/2015 16:45 VIC1 A 238 247 9 V-S-MNSP1 19 -120 -140 100 Excess generation in VIC due to management of negative residues Constraint equation action 120 17/12/2015 16:50 VIC1 A 296 9 305 -120 -9 111 100 System normal constraint limiting flow into VIC via Murraylink due to rebidding of capacity in SA Rebidding 121 20/12/2015 14:30 TAS1 A 137 11707 85 T-V-MNSP1 0 0 0 190 Region isolated; Step increase in demand when ramp rates were limited due to temporary suspension of AGC Demand changes 122 22/12/2015 11:05 TAS1 A 5 81 469 T-V-MNSP1 0 0 0 190 Region isolated; Step increase in demand when ramp rates were limited due to temporary suspension of AGC Demand changes 123 22/12/2015 11:10 TAS1 A 5 469 81 T-V-MNSP1 0 0 0 190 Region isolated; Ramp no longer limited due to temporary suspension of AGC Unconstrained ramp
124 25/12/2015 09:40 VIC1 A 539 -519 20 VIC1-NSW1 331.54 905.761 574.222 500 Excess cheaper priced generation in VIC was transferred into NSW Constraint equation action 125 26/12/2015 06:25 TAS1 A 5 125 770 T-V-MNSP1 0 0 0 190 Region isolated; Step increase in demand when ramp rates were limited due to temporary suspension of AGC Demand changes 126 26/12/2015 06:30 TAS1 A 5 770 125 T-V-MNSP1 0 0 0 190 Region isolated; Ramp no longer limited due to temporary suspension of AGC Unconstrained ramp rates 127 30/12/2015 16:20 SA1 A 24 63 1582 V-SA 35.7359 194.81 159.074 150 Increase in demand contributed by reduction in generation Demand changes 128 30/12/2015 16:35 SA1 A 50 57 2881 V-SA 39.1595 251.267 212.107 150 Increase in demand contributed by reduction in generation Demand changes