Information request for mandatory half-hourly settlement Business Case

Correspondence and other

Publication date

Industry sector

Supply and Retail Market

We are developing an Impact Assessment which will form part of the Business Case on the move to mandatory half-hourly settlement. The Impact Assessment will examine the economic aspects of the Business Case.

As a first step, we are issuing a voluntary Information Request to gather information on the potential impacts of mandatory half-hourly settlement. The deadline to respond to this Information Request is 29 September 2017. Please respond by emailing a completed spreadsheet to

We have shared a draft version of the Information Request and have been receiving questions and answering these over the last fortnight. The questions we have received and our answers to them are summarised in the Q&A document below, alongside the spreadsheet of questions we are asking.

If you have any further questions about this Information Request, please contact James Earl at, or email the team mailbox at