Your MPAN or MPRN are the unique meter numbers that help energy companies identify your home, we may ask you for these if we are unable to find your property with the address you have given us.
MSN stands for Meter Serial Number – refers to the specific meter you have.
MPAN stands for Meter Point Administration Number - and refers to an electricity supply.
MPRN stands for Meter Point Reference Number - and refers to a gas supply.