Please will you send the utilities company a subject access request. Do it tomorrow. Don't hang around. You will need this information to make any headway.
Secondary, you have posted quite an extensive story in a solid block of text and this is very difficult for people to follow. It discourages people who might otherwise be prepared to give you very useful support and advice.
please would you avoid posting your stories or your responses in solid blocks of text. They need to be properly punctuated and spaced and generally speaking presented in a way that you would yourself like to have them presented to you if you were going to to help out on the thread.
Don't touch them owe me £500 since January 2019 make excuse after excuse. Seem they always have software problems sending money out. Keep saying they will call back or email nothing been chasing it now for 6 mths the phone staff always have the same banter we will chase it up and get back to you then nothing!