E-Control - https://www.e-control.at/konsumenten
Commission de Régulation de l'Électricité et du Gaz - Commissie voor de Regulering van de Elektriciteit en het Gas - https://www.creg.be/
Комисия за енергийно и водно регулиране - Energy and Water Regulatory Commission - https://www.dker.bg/bg/za-kevr/harta-na-klienta.html
Ministarstvo gospodarstva, poduzetništva i obrta - Ministry of Economy, Entrepreneurship and Crafts - https://mfin.gov.hr/istaknute-teme/koncesije-i-drzavne-potpore/drzavne-potpore/transparentnost-potpora/ministarstvo-gospodarstva-poduzetnistva-i-obrta/477
1. Ρυθμιστική Αρχή Ενέργειας Κύπρου (Cyprus Energy Regulatory Authority) - https://www.cera.org.cy/ ;
2. Κέντρα Εξυπηρέτησης του Πολίτη (Citizens Service Centres) - https://mof.gov.cy/gr/γραφείο-τύπου/1-εξυπηρέτηση-πολιτών ;
3. Υπουργείο Ενέργειας, Εμπορίου, Βιομηχανίας και Τουρισμού (Ministry of Energy, Commerce, Industry and Tourism) - https://www.mcit.gov.cy/mcit/energyse.nsf/index_gr/index_gr?OpenDocument
Energetický regulační úřad - Energy Regulatory Authority - https://www.eru.cz/
Energy Supplies Complaint Board (Ankenævnet på Energiområdet) - https://www.energianke.dk
Konkurentsiamet - Estonian Competition Authority - https://www.konkurentsiamet.ee
Kuluttajaneuvonta - Consumer Advisory Service - https://www.kkv.fi/kuluttajaneuvonta/
Energie-info - www.energie-info.fr/
Bundesnetzagentur - Kontakt zum Verbraucherservice(Federal Network Agency) https://www.bundesnetzagentur.de
Citizens' Service Centers (KEP) - Κέντρα Εξυπηρέτησης Πολιτών (ΚΕΠ) - https://www.ermis.gov.gr/portal/page/portal/ermis/KepIndex
Magyar Energetikai és Közmű-szabályozási Hivatal - Hungarian Energy and Utilities Regulatory Office - https://www.mekh.hu/
Commission for Regulation of Utilities - https://www.cru.ie/
Autorità di Regolazione per Energia Reti e Ambiente - Regulatory Authority for Energy, Networks and the Environment - https://www.arera.it/it/index.htm
Sabiedrisko pakalpojumu regulēšanas komisija - The Public Utilities Commission - https://www.sprk.gov.lv/
Valstybinė kainų ir energetikos kontrolės komisija (National Control Commission for Prices and Energy) - https://www.regula.lt
Regulator for Energy and Water Services (REWS) - https://www.rews.org.mt/#/en/home
ConsuWijzer - https://www.consuwijzer.nl/
Punkt Informacyjny dla Odbiorców Energii - https://www.ure.gov.pl/pl/konsumenci/punkt-informacyjny-dla/4161,Punkt-…
Portal do Consumidores de Energia - Entidade Reguladora dos Serviços Energéticos (Energy Services Regulatory Authority) - https://www.erse.pt/consumidores-de-energia/
Info-Consumatori - Autoritatea Nationala de Reglementari in domeniul Energiei - https://anre.ro
Pre spotrebiteľa - Úrad pre reguláciu sieťových odvetví (Regulatory Office for Network Industries) - http://www.urso.gov.sk/?q=Pre%20spotrebite%C4%BEa&language=sk
Agencija za energijo - The Energy Agency - https://www.agen-rs.si/web/en/single-point-of-contact
Comisión Nacional de los Mercados y la Competencia - National Commisison for Markets and Competition - https://www.cnmc.es/consumidores
Konsumenternas energimarknadsbyrå (The Swedish Consumer Energy Markets Bureau) - https://energimarknadsbyran.se/