You can contact the Ombudsman on 0330 440 1624 or;
Ombudsman Services: Energy
PO Box 966
Before using the energy ombudsman you must tell the energy company about your problem and follow its complaints procedure. The company has up to eight weeks to resolve your complaint*.
Advice when making a complaint (from the Ombudsmans website)
*If your complaint is with SSE, the company has six weeks to resolve your problem.