Scottish Power to pay customers £8.5m after Ofgem investigation
22 October 2013 Last updated at 19:12 BST
Scottish Power is to pay customers £8.5m after an investigation by industry regulator Ofgem into its doorstep and telephone selling.
Ofgem said customers were misled during sales approaches due to Scottish Power's failure to "adequately train and monitor" staff.
Simon Gompertz reports.