The 2% shows exactly why privatisation has failed. The consumer directly has to cover private companies investment in energy generation plus it’s the only reason any investment is made in the cheapest form of energy in the first place. Energy providers are only interested in selling you the highest possible rate at the smallest possible investment. Which brings us to Ofgem. Successive governments have hidden behind Ofgem setting the price cap as if they can’t change the way Ofgem calculates the cap. They can, they just choose not too.