 Ofgem is facing renewed scrutiny after Unite union called on the energy regulator to implement a profit cap on distribution network operators DNOs, According to the union, the DNOs are set to earn the highest profit margins in the UK this year. Ofgem has been targeted recently by ministers who accused the regulator of not doing enough to prevent the collapse of 29 energy suppliers since July 2021, ultimately causing the average energy bill to increase by 94. 