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
Sut i ddarllen eich mesurydd nwy neu drydan
How to read your smart electricity meter
How to read your smart gas meter
Getting a smart meter installed
Check if your smart meter should work in smart mode
If you have a radio teleswitch or dynamically teleswitched energy meter
Check if your energy meter isn't working properly
Move your gas or electricity 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
Decide if prepayment is right for you
Switching from prepayment to paying by credit