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
Problems with your energy bill
Problems with your energy bill
Check if you’re responsible for paying an energy bill
If you haven’t received an accurate energy bill in a while
Your energy supplier has put its prices up
If your energy supplier has increased your direct debit payments
If you think you’ve been charged too much for your energy