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Following a full service review, launched at the Commercial Balancing Services Group, the BM Start-Up generic terms have been changed to reflect greater transparency, resulting in SONAR publishing additional information, including the BMU ids.

Together with the publication of BM Start Up instructions we are also publishing Advance Synchronisation instructions, to distinguish whether the instruction is BM Start Up or Advance Synchronisation, the details will include BPA information for BM Start Up and these fields will be blank if the instruction is an Advance Synchronisation (as cost is not incurred).

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Agree Time / Instruction Time Category Start Time / Earliest Sync Time End Time / Cancel Time Updated
Details 24/03/2025 11:55 Additional GT 24/03/2025 23:00 25/03/2025 23:00 24/03/2025 00:00:00 24/03/2025 11:55:00 HUMR-1 24/03/2025 00:00:00 23:00 25/03/2025 00:00:00 23:00 400 89
Details 24/03/2025 11:55 Additional GT 24/03/2025 23:00 25/03/2025 23:00 24/03/2025 00:00:00 24/03/2025 11:55:00 HUMR-1 24/03/2025 00:00:00 23:00 25/03/2025 00:00:00 23:00 490 89
Details 24/03/2025 19:23 Active Power Reduction below Submitted SEL 25/03/2025 00:00 25/03/2025 23:59 24/03/2025 00:00:00 24/03/2025 19:23:00 PEHE-1 25/03/2025 00:00:00 00:00 25/03/2025 00:00:00 23:59 253 30
Details 24/03/2025 19:23 Active Power Reduction below Submitted SEL 25/03/2025 00:00 25/03/2025 23:59 24/03/2025 00:00:00 24/03/2025 19:23:00 PEHE-1 25/03/2025 00:00:00 00:00 25/03/2025 00:00:00 23:59 507 30
Details 25/03/2025 11:38 Additional GT 25/03/2025 23:00 26/03/2025 23:00 25/03/2025 00:00:00 25/03/2025 11:38:00 HUMR-1 25/03/2025 00:00:00 23:00 26/03/2025 00:00:00 23:00 400 89
Details 25/03/2025 11:38 Additional GT 25/03/2025 23:00 26/03/2025 23:00 25/03/2025 00:00:00 25/03/2025 11:38:00 HUMR-1 25/03/2025 00:00:00 23:00 26/03/2025 00:00:00 23:00 490 89
Details 25/03/2025 19:10 Active Power Reduction below Submitted SEL 26/03/2025 00:00 26/03/2025 23:59 25/03/2025 00:00:00 25/03/2025 19:10:00 PEHE-1 26/03/2025 00:00:00 00:00 26/03/2025 00:00:00 23:59 507 30
Details 25/03/2025 19:10 Active Power Reduction below Submitted SEL 26/03/2025 00:00 26/03/2025 23:59 25/03/2025 00:00:00 25/03/2025 19:10:00 PEHE-1 26/03/2025 00:00:00 00:00 26/03/2025 00:00:00 23:59 253 30
Details 26/03/2025 14:45 Additional GT 26/03/2025 22:00 27/03/2025 23:00 26/03/2025 00:00:00 26/03/2025 14:45:00 HUMR-1 26/03/2025 00:00:00 22:00 27/03/2025 00:00:00 23:00 400 89
Details 26/03/2025 14:45 Additional GT 26/03/2025 22:00 27/03/2025 23:00 26/03/2025 00:00:00 26/03/2025 14:45:00 HUMR-1 26/03/2025 00:00:00 22:00 27/03/2025 00:00:00 23:00 490 89
Details 26/03/2025 18:05 Additional GT 26/03/2025 22:29 27/03/2025 04:59 26/03/2025 00:00:00 26/03/2025 18:05:00 MRWD-1 26/03/2025 00:00:00 22:29 27/03/2025 00:00:00 04:59 405 89
Details 27/03/2025 13:40 Additional GT 27/03/2025 23:30 28/03/2025 15:30 27/03/2025 00:00:00 27/03/2025 13:40:00 HUMR-1 27/03/2025 00:00:00 23:30 28/03/2025 00:00:00 15:30 0 80
Details 27/03/2025 13:40 Additional GT 27/03/2025 22:00 28/03/2025 23:00 27/03/2025 00:00:00 27/03/2025 13:40:00 HUMR-1 27/03/2025 00:00:00 22:00 28/03/2025 00:00:00 23:00 400 89
Details 27/03/2025 13:40 Additional GT 27/03/2025 22:00 28/03/2025 23:00 27/03/2025 00:00:00 27/03/2025 13:40:00 HUMR-1 27/03/2025 00:00:00 22:00 28/03/2025 00:00:00 23:00 490 89
Details 28/03/2025 17:40 Additional GT 28/03/2025 19:00 29/03/2025 23:00 28/03/2025 00:00:00 28/03/2025 17:40:00 HUMR-1 28/03/2025 00:00:00 19:00 29/03/2025 00:00:00 23:00 400 89
Details 28/03/2025 17:40 Additional GT 28/03/2025 19:00 29/03/2025 23:00 28/03/2025 00:00:00 28/03/2025 17:40:00 HUMR-1 28/03/2025 00:00:00 19:00 29/03/2025 00:00:00 23:00 490 89
Details 28/03/2025 17:40 Additional GT 29/03/2025 11:00 29/03/2025 23:00 28/03/2025 00:00:00 28/03/2025 17:40:00 HUMR-1 29/03/2025 00:00:00 11:00 29/03/2025 00:00:00 23:00 0 80
Details 29/03/2025 06:20 Additional GT 29/03/2025 14:00 29/03/2025 23:59 29/03/2025 00:00:00 29/03/2025 06:20:00 COSO-1 29/03/2025 00:00:00 14:00 29/03/2025 00:00:00 23:59 400 60
Details 29/03/2025 08:51 Additional GT 29/03/2025 11:00 30/03/2025 22:00 29/03/2025 00:00:00 29/03/2025 08:51:00 HUMR-1 29/03/2025 00:00:00 11:00 30/03/2025 00:00:00 22:00 265 80
Details 29/03/2025 08:51 Additional GT 29/03/2025 19:00 30/03/2025 22:00 29/03/2025 00:00:00 29/03/2025 08:51:00 HUMR-1 29/03/2025 00:00:00 19:00 30/03/2025 00:00:00 22:00 400 89
Details 29/03/2025 08:51 Additional GT 29/03/2025 19:00 30/03/2025 22:00 29/03/2025 00:00:00 29/03/2025 08:51:00 490 29/03/2025 00:00:00 19:00 30/03/2025 00:00:00 22:00 490 89
Details 29/03/2025 16:46 Additional GT 29/03/2025 11:30 30/03/2025 07:00 29/03/2025 00:00:00 29/03/2025 16:46:00 COSO-1 29/03/2025 00:00:00 11:30 30/03/2025 00:00:00 07:00 400 60 29/03/2025 00:00:00 17:33
Details 29/03/2025 17:20 Active Power Reduction below Submitted SEL 30/03/2025 00:00 30/03/2025 23:59 29/03/2025 00:00:00 29/03/2025 17:20:00 PEHE-1 30/03/2025 00:00:00 00:00 30/03/2025 00:00:00 23:59 253 30
Details 29/03/2025 17:20 Active Power Reduction below Submitted SEL 30/03/2025 00:00 30/03/2025 23:59 29/03/2025 00:00:00 29/03/2025 17:20:00 PEHE-1 30/03/2025 00:00:00 00:00 30/03/2025 00:00:00 23:59 507 30
Details 30/03/2025 03:38 Additional GT 30/03/2025 07:00 30/03/2025 16:59 30/03/2025 00:00:00 30/03/2025 03:38:00 COSO-1 30/03/2025 00:00:00 07:00 30/03/2025 00:00:00 16:59 400 60
Details 30/03/2025 15:50 Additional GT 30/03/2025 18:00 31/03/2025 22:00 30/03/2025 00:00:00 30/03/2025 15:50:00 HUMR-1 30/03/2025 00:00:00 18:00 31/03/2025 00:00:00 22:00 400 89
Details 30/03/2025 15:50 Additional GT 30/03/2025 18:00 31/03/2025 22:00 30/03/2025 00:00:00 30/03/2025 15:50:00 HUMR-1 30/03/2025 00:00:00 18:00 31/03/2025 00:00:00 22:00 490 89
Details 30/03/2025 17:00 Active Power Reduction below Submitted SEL 31/03/2025 00:00 31/03/2025 23:59 30/03/2025 00:00:00 30/03/2025 17:00:00 PEHE-1 31/03/2025 00:00:00 00:00 31/03/2025 00:00:00 23:59 507 30
Details 30/03/2025 17:00 Active Power Reduction below Submitted SEL 31/03/2025 00:00 31/03/2025 23:59 30/03/2025 00:00:00 30/03/2025 17:00:00 PEHE-1 31/03/2025 00:00:00 00:00 31/03/2025 00:00:00 23:59 253 30
Details 31/03/2025 11:22 Additional GT 31/03/2025 11:00 01/04/2025 22:00 31/03/2025 00:00:00 31/03/2025 11:22:00 HUMR-1 31/03/2025 00:00:00 11:00 01/04/2025 00:00:00 22:00 490 89
Details 31/03/2025 11:22 Additional GT 31/03/2025 11:00 01/04/2025 22:00 31/03/2025 00:00:00 31/03/2025 11:22:00 HUMR-1 31/03/2025 00:00:00 11:00 01/04/2025 00:00:00 22:00 400 89
Details 31/03/2025 11:22 Additional GT 31/03/2025 11:00 01/04/2025 22:00 31/03/2025 00:00:00 31/03/2025 11:22:00 HUMR-1 31/03/2025 00:00:00 11:00 01/04/2025 00:00:00 22:00 400 89