Skip to main content
Please enable JavaScript in your web browser to get the best experience.
BETA
This site is currently in BETA. Help us improve
by giving us your feedback
.
Close alert:
Open menu
Main navigation
Amdanom ni
Go back
Amdanom ni
Amdanom ni
Who we are
Go back
Who we are
Ein harweinyddiaeth
Ein strategaeth
Yr hyn rydym yn ei reoleiddio
How we work
Go back
How we work
Cyllid
Polisïau a gweithdrefnau
Cyfleoedd caffael a chyfleoedd i ennill contractau
Join Ofgem
Go back
Join Ofgem
Gweithio gyda ni
Cwestiynau cyffredin am wneud cais am swyddi a'r broses recriwtio
Telerau ac amodau cyflogaeth
Cyflogau a buddiannau
Staff networks
Cydraddoldeb ac amrywiaeth
Get in touch
Go back
Get in touch
Cysylltu â ni
Manylion cyswllt ar gyfer cynlluniau amgylcheddol a chymdeithasol
Ceisiadau am wybodaeth
Ymholiadau’r cyfryngau
Cwyno am Ofgem
Gwybodaeth i ddefnyddwyr
Go back
Gwybodaeth i ddefnyddwyr
Gwybodaeth i ddefnyddwyr
Cyngor ar ynni i gartrefi
Go back
Cyngor ar ynni i gartrefi
Dod o hyd i'ch cyflenwr ynni
Hawlio iawndal am faterion cyflenwad ynni
Cwyno am eich cyflenwr ynni neu weithredwr rhwydwaith
Cysylltu â chyflenwad nwy neu drydan
Newid cyflenwr ynni
Newid eich mesurydd trydan Radio Teleswitch
Cael mesurydd deallus
Canllawiau i ddefnyddwyr ar fesuryddion rhagdalu
Cyfraddau fesul uned y cap ar brisiau ynni a thaliadau sefydlog
Esbonio'r cap ar brisiau ynni a'r taliadau sefydlog
Check the energy back-billing rules
Ymuno â Chofrestr Gwasanaethau â Blaenoriaeth eich cyflenwr
Cynllunio ar gyfer toriad pŵer
What happens if the energy supplier to your business goes bust?
Economy 7 consumer guide
Cael help gyda eich biliau ynni
Understand your electricity and gas bills
Cyngor ar ynni i fusnesau
Go back
Cyngor ar ynni i fusnesau
Dechrau tudalen contract ynni busnes
Find business energy efficiency grants and schemes
Get energy for your business
Environmental and social schemes
Go back
Environmental and social schemes
Environmental and social schemes
Boiler Upgrade Scheme (BUS)
Counter fraud for environmental and social programmes
Energy Company Obligation (ECO)
Feed-in Tariffs (FIT)
Great British Insulation Scheme
Green Gas Support Scheme (GGSS) and Green Gas Levy (GGL)
Non-Domestic Renewable Heat Incentive (RHI)
Northern Ireland Non-Domestic Renewable Heat Incentive
Offtaker of Last Resort (OLR)
Renewable Electricity Register
Renewables Energy Guarantees Origin (REGO)
Renewables Obligation (RO)
Smart Export Guarantee (SEG)
Warm Home Discount (WHD)
Previous Environmental and Social Schemes
Energy regulation
Go back
Energy regulation
Energy regulation
How we regulate
Go back
How we regulate
Energy licences and guidance
Energy codes
Compliance and enforcement
Energy network price controls
Electricity
Go back
Electricity
Electricity supply
Electricity interconnectors
Electricity generation
Electricity distribution
Electricity transmission
Offshore electricity transmission
Gas
Go back
Gas
Gas supply
Gas interconnectors
Gas shipping
Gas transmission
Gas distribution
Low carbon
Go back
Low carbon
Carbon capture and storage
Heat networks
Nuclear energy
Long duration electricity storage
Technology and innovation
Go back
Technology and innovation
Artificial intelligence
Cybersecurity
Digitalisation
Innovation
Business resilience
Go back
Business resilience
Financial resilience
Security of supply
Domestic and non-domestic
Go back
Domestic and non-domestic
Energy pricing rules
Consumer protection
Non-domestic energy supply
Metering
Markets and investment
Go back
Markets and investment
Energy trading
Consultations
Go back
Consultations
Consultations
Consultations and calls for input
How we consult
News and insight
Go back
News and insight
News and insight
News
Blog
Press releases
Speeches
Research
Data
Search
Please enter a search term
Submit search query
Please enter a search term
Submit search query
English
Cymraeg
Change the language to English
Cyhoeddiadau
Cau
