Austria
EC (E-Control).
Belgium
CREG
(Commission de Régulation de l'Electricité et du Gaz).
Czech Republic
ERU
Denmark
ENS (Energistirelsen).
Finland
energiamarkkinavirasto
(energiamarkkinavirasto).
France
CRE
(Commision de Régulation de l'Energie).
Germany
Bundeskartellamt
(German Federal Cartel Office).
Greece
RAE
(Regulatory Authority for Energy).
Hungary
MEH
Irland
CER
(Commission for Energy Regulation).
Italy
AEEG
(Autorita per l'Energia elettrica e il Gas).
Luxembourg
ILR
(Institut Luxembourgeois de Régulation)
Netherlands
DTE
(Office for energy regulation).
Norway
NVE
(The Norwegian Water Resources and Energy Directorate).
Portugal
ERSE
(A Entidade Reguladora dos Serviços Energéticos).
Spain
CNE
(Comision Nacional de Energia).
Sweden
STEM
(Energimyndigheten)
United Kingdom
OFGEM
(Office Of Gas And Electricity Markets).