My mother, 83 in a one bed flat was emailed a very high bill based on an 'estimate' from Green Energy. This was way over her regular and current usage. Efforts to represent her on the phone were obstructed because, even when she gave her permission for me to speak on her behalf, they first refused to provide any evidence that she had used the electricity of a small business and then simply did not ring me back on the third and fourth occasions. At least there is a strange comfort in reading so many bad reviews, even if EDF don't care. A 'class action' might get somewhere.