Energy firm Iresa has been banned from accepting new customers until it starts to clear a backlog of complaints.
The Nottinghamshire-based firm is among scores of smaller suppliers taking on the big six energy firms. It regularly appears on price comparison tables.
Issues such as a 40-minute average wait for answering calls and concerns from vulnerable customers has led to a rare intervention by the regulator.
To read the full article click hereSource: BBC, 27 March, 2018
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