Witnesses welcomed this as an opportunity for a comprehensive discussion about the issue, and the possibility of major reform, although witnesses noted the complexities involved, and that changes would mean winners and losersiiNet Zero, Energy and Transport Committee, Official Report, 19 April 2022, Col 13 and 14 and Official Report, 26 April 2022, Col 42 and 43. Dan Alchin of Energy UK said the reach of reforms should be carefully considered, including how they could impact on retail market arrangements, "consumer pricing, the just transition and fairness across the piece"iiNet Zero, Energy and Transport Committee, Official Report, 26 April 2022, Col 41.