The following is a my link to BULB which gets you a £50 credit to your account when you switch your energy to them. It worked for me when another MN member posted theirs. I also get the credit if anyone uses it. Happy saving
bulb.us11.list-manage.com/track/click?u=4834935b227d653db6d9f1a11&id=12a3958220&e=41893df019