MrMessy Thanks for that, and thanks to our extended logging for you, we can fix this.
We can identify and distinguish between smart-charge and bump-charge and obviously should ignore bump-charges.
IOG raw response for user primary-hotel -{"data":{"plannedDispatches":[{"startDt":"2025-06-20 20:57:51+00:00","endDt":"2025-06-21 08:28:06+00:00","delta":"-82.22","meta":{"source":"bump-charge","location":null}}],"completedDispatches":[]}}
However, does that mean the full slot would be at peak rate? Even though there is an IOG default 23:30-5:30 offpeak rate?
Updated: Ah, think I've found the answer:

Source: https://octopus.energy/blog/intelligent-go-faqs/