National Grid charges electricity suppliers to recover the costs incurred through balancing the system. National Grid provides updates to the industry on a regular basis as to what these actual costs are. BSUoS are pass-through costs within your electricity supply contract for half-hourly supplies. The outturn BSUoS charges, published by National Grid, are passed through via your electricity invoice.
For published charges, please refer to the National Grid website: http://www2.nationalgrid.com/bsuos
If you have any questions or require further details, please e-mail firstname.lastname@example.org and one of our Account Managers will be in touch as a priority.