Chief scientist at Greenpeace UK - Dr Doug Parr - has said the energy industry needs "real change," rather than an investigation by the Competition and Markets Authority.
What UK consumers need from this investigation is more than yet another ineffectual slap on the wrist for the big six's cartel.
We need real change to the market so that companies offering a better deal for customers and the environment are no longer shut out of the market, but more importantly we need to clear the way for alternative business models to the big utilities.
More top news
Changes in gait could prove to be an early sign of Parkinson's disease, according to a new study.
Tomorrow a new band of rain will move across mainly western Scotland, further south it will stay bright with some sunny spells.
The story of Darek Fidyka, who can walk again four years after his spine was severed, is hopeful. But one case study is very limited.