Daily Mail | As Scottish Power takes on 130,000 customers from failed energy supplier Tonik, we reveal how recent mergers in the sector have shaken up the ‘Big Six’

Scottish Power took on 130,000 customers from failed supplier Tonik Energy last week, increasing its market share considerably. 

Acquisitions and mergers have been the biggest form of supplier growth. With 10 instances of trade sale events in the domestic supply market since January 2019. 

Alongside this was also 10 exits through the supplier of last resort process. 

Of the gaining suppliers, the greatest level of activity was seen across the medium supplier group, consolidating their position among the largest 17 suppliers by customer number.

Katie Hickford, Analyst

Daily Mail