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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 11/11/2025 08:54 Additional GT 11/11/2025 08:00 11/11/2025 23:59 11/11/2025 00:00:00 11/11/2025 08:54:00 SHBA-1 11/11/2025 00:00:00 08:00 11/11/2025 00:00:00 23:59 510 59
Details 11/11/2025 12:33 Additional GT 11/11/2025 23:00 12/11/2025 23:00 11/11/2025 00:00:00 11/11/2025 12:33:00 HUMR-1 11/11/2025 00:00:00 23:00 12/11/2025 00:00:00 23:00 400 89
Details 11/11/2025 12:33 Additional GT 11/11/2025 23:00 12/11/2025 05:00 11/11/2025 00:00:00 11/11/2025 12:33:00 HUMR-1 11/11/2025 00:00:00 23:00 12/11/2025 00:00:00 05:00 265 59
Details 11/11/2025 12:33 Additional GT 11/11/2025 23:00 12/11/2025 23:00 11/11/2025 00:00:00 11/11/2025 12:33:00 HUMR-1 11/11/2025 00:00:00 23:00 12/11/2025 00:00:00 23:00 450 89
Details 11/11/2025 17:20 Additional GT 12/11/2025 00:00 12/11/2025 13:00 11/11/2025 00:00:00 11/11/2025 17:20:00 SHBA-1 12/11/2025 00:00:00 00:00 12/11/2025 00:00:00 13:00 510 59
Details 12/11/2025 05:25 Additional GT 12/11/2025 06:30 12/11/2025 11:00 12/11/2025 00:00:00 12/11/2025 05:25:00 LAGA-1 12/11/2025 00:00:00 06:30 12/11/2025 00:00:00 11:00 400 80 12/11/2025 00:00:00 06:13
Details 12/11/2025 09:29 Additional GT 12/11/2025 06:30 12/11/2025 12:00 12/11/2025 00:00:00 12/11/2025 09:29:00 LAGA-1 12/11/2025 00:00:00 06:30 12/11/2025 00:00:00 12:00 400 80
Details 12/11/2025 12:49 Additional GT 12/11/2025 23:00 13/11/2025 23:00 12/11/2025 00:00:00 12/11/2025 12:49:00 HUMR-1 12/11/2025 00:00:00 23:00 13/11/2025 00:00:00 23:00 400 89
Details 12/11/2025 12:49 Additional GT 12/11/2025 22:00 13/11/2025 06:30 12/11/2025 00:00:00 12/11/2025 12:49:00 HUMR-1 12/11/2025 00:00:00 22:00 13/11/2025 00:00:00 06:30 265 59
Details 12/11/2025 12:49 Additional GT 12/11/2025 23:00 13/11/2025 23:00 12/11/2025 00:00:00 12/11/2025 12:49:00 HUMR-1 12/11/2025 00:00:00 23:00 13/11/2025 00:00:00 23:00 450 89
Details 12/11/2025 20:10 Additional GT 12/11/2025 20:03 14/11/2025 05:00 12/11/2025 00:00:00 12/11/2025 20:10:00 LBAR-1 12/11/2025 00:00:00 20:03 14/11/2025 00:00:00 05:00 350 300
Details 12/11/2025 23:41 Additional GT 13/11/2025 11:00 13/11/2025 15:00 12/11/2025 00:00:00 12/11/2025 23:41:00 COSO-1 13/11/2025 00:00:00 11:00 13/11/2025 00:00:00 15:00 400 60
Details 13/11/2025 15:32 Additional GT 13/11/2025 19:00 14/11/2025 23:00 13/11/2025 00:00:00 13/11/2025 15:32:00 HUMR-1 13/11/2025 00:00:00 19:00 14/11/2025 00:00:00 23:00 365 89
Details 13/11/2025 15:32 Additional GT 13/11/2025 19:00 14/11/2025 23:00 13/11/2025 00:00:00 13/11/2025 15:32:00 HUMR-1 13/11/2025 00:00:00 19:00 14/11/2025 00:00:00 23:00 400 89
Details 13/11/2025 16:56 Additional GT 14/11/2025 05:00 14/11/2025 23:00 13/11/2025 00:00:00 13/11/2025 16:56:00 LBAR-1 14/11/2025 00:00:00 05:00 14/11/2025 00:00:00 23:00 350 300
Details 13/11/2025 22:53 Additional GT 13/11/2025 22:30 14/11/2025 23:00 13/11/2025 00:00:00 13/11/2025 22:53:00 LBAR-1 13/11/2025 00:00:00 22:30 14/11/2025 00:00:00 23:00 350 300
Details 14/11/2025 17:00 Additional GT 14/11/2025 20:00 15/11/2025 08:00 14/11/2025 00:00:00 14/11/2025 17:00:00 HUMR-1 14/11/2025 00:00:00 20:00 15/11/2025 00:00:00 08:00 265 59
Details 14/11/2025 17:00 Additional GT 14/11/2025 19:00 15/11/2025 23:00 14/11/2025 00:00:00 14/11/2025 17:00:00 HUMR-1 14/11/2025 00:00:00 19:00 15/11/2025 00:00:00 23:00 400 89
Details 14/11/2025 17:00 Additional GT 14/11/2025 19:00 15/11/2025 23:00 14/11/2025 00:00:00 14/11/2025 17:00:00 HUMR-1 14/11/2025 00:00:00 19:00 15/11/2025 00:00:00 23:00 400 89
Details 14/11/2025 17:00 Additional GT 14/11/2025 19:00 15/11/2025 23:00 14/11/2025 00:00:00 14/11/2025 17:00:00 HUMR-1 14/11/2025 00:00:00 19:00 15/11/2025 00:00:00 23:00 365 89
Details 15/11/2025 12:06 Additional GT 15/11/2025 19:00 16/11/2025 23:00 15/11/2025 00:00:00 15/11/2025 12:06:00 h 15/11/2025 00:00:00 19:00 16/11/2025 00:00:00 23:00 397 89
Details 15/11/2025 12:06 Additional GT 15/11/2025 19:00 16/11/2025 23:00 15/11/2025 00:00:00 15/11/2025 12:06:00 h 15/11/2025 00:00:00 19:00 16/11/2025 00:00:00 23:00 365 89
Details 16/11/2025 14:30 Additional GT 16/11/2025 22:30 17/11/2025 05:35 16/11/2025 00:00:00 16/11/2025 14:30:00 HUMR-1 16/11/2025 00:00:00 22:30 17/11/2025 00:00:00 05:35 265 59
Details 16/11/2025 14:30 Additional GT 16/11/2025 19:00 17/11/2025 23:00 16/11/2025 00:00:00 16/11/2025 14:30:00 h 16/11/2025 00:00:00 19:00 17/11/2025 00:00:00 23:00 397 89
Details 16/11/2025 14:30 Additional GT 16/11/2025 19:00 17/11/2025 23:00 16/11/2025 00:00:00 16/11/2025 14:30:00 h 16/11/2025 00:00:00 19:00 17/11/2025 00:00:00 23:00 365 89
Details 17/11/2025 15:37 Active Power Reduction below Submitted SEL 17/11/2025 23:00 18/11/2025 23:59 17/11/2025 00:00:00 17/11/2025 15:37:00 PEHE-1 17/11/2025 00:00:00 23:00 18/11/2025 00:00:00 23:59 253 30
Details 17/11/2025 15:37 Active Power Reduction below Submitted SEL 17/11/2025 23:00 18/11/2025 23:59 17/11/2025 00:00:00 17/11/2025 15:37:00 PEHE-1 17/11/2025 00:00:00 23:00 18/11/2025 00:00:00 23:59 507 30
Details 17/11/2025 17:37 Additional GT 17/11/2025 19:00 18/11/2025 23:00 17/11/2025 00:00:00 17/11/2025 17:37:00 HUMR-1 17/11/2025 00:00:00 19:00 18/11/2025 00:00:00 23:00 365 89