The three companies have been fined £870,000 collectively by the regulator after they infringed chapter one of the Competition Act 1998.
Ofgem has today (30 May) confirmed that between January and September 2016 Economy Energy, E (Gas and Electricity) and Dyball Associates had an anti-competitive agreement preventing the two suppliers actively targeting one another’s customers through face-to-face sales.
The two suppliers were found to have shared commercially sensitive information in the form of customer meter point details.
Want more news? Subscribe to CPI’s free daily newsletter for more headlines and updates on antitrust developments around the world.