If you are a pensioner, has a medical condition and has medical equipment that needs electric or needs charging like stair lift electric bed which is needed for your medical condition, wheelchair or mobility scooter or needs oxygen which goes through electric equipment.
All you need to do is get intouch with your electric company and ask to put on the priority list all electric company does if not find they get there electric from and ask for their contact details or if you know where a sub station is their contact number should be on the wall near the gate. It's just incase there power cut or they doing cable work and electric goes of then if your registered then you'll get contacted before anyone else.
Also register with your water company they have a priority list as well for their vunrable customers who are pensioners or got health problems and needs water to clean equipment or needs to keep themselves clean because of a surgical procedure. All you need to do is contact their customer service and ask to be put on their priority list . You will be ask some questions if you got medical equipment that needs to be kept clean or any health problems you have and if you're registered disabled.
They will set up a password incase anyone from the water company comes around just to check if your OK, bring you upto date with the works and also deliver water to your door if you can't manage it.
It's free no charge if they do tell them you will report them as its a free service.
Yes, I am registered as an essential user with my utility companies.