Rydym yn defnyddio cwcis i wella eich profiad o'n gwefan.
Gallwch ddarganfod mwy neu ddileu allan o rai cwcis
- mae'r polisïau hyn ar gael yn Saesneg.
Neidio i’r llywio
Neidio i’r prif gynnwys
Neidio i’r troedyn
English
Mewngofnodi
Chwilio
Budd-daliadau
Gwaith
Dyled ac arian
Defnyddwyr
Tai
Teulu
Gyfraith a Llysoedd
Mewnfudo
Iechyd
Amdanom ni
Hafan
Defnyddwyr
Energy
Your energy supply
Your energy meter
Your energy meter
How to read your gas or electricity meter
How to read your smart electricity meter
How to read your smart gas meter
Move your gas or electricity meter
Check if your energy meter isn't working properly
Decide if prepayment is right for you
Switching from prepayment to paying by credit
Getting a smart meter installed
If you have a radio teleswitch or dynamically teleswitched energy meter
Using your smart meter’s in-home display
Fixing problems with your smart meter’s in-home display
Find the user guide for your smart meter's in-home display