| Austria | E-control - http://www.e-control.at |
| Belgium | Service de médiation de l'energie - Ombudstienst voor energie - https://www.mediateurenergie.be |
| Bulgaria | Държавна комисия за енергийно и водно регулиране (State Energy and Water Regulation Commission) - http://www.dker.bg |
| Croatia | https://www.hok.hr/sud_casti |
| Cyprus | Ρυθμιστική Αρχή Ενέργειας Κύπρου (Cyprus Energy Regulatory Authority) - https://www.cera.org.cy/ |
| Czechia | Mimosoudní řešení sporů - Out-of-court Dispute resolution - https://www.eru.cz/mimosoudni-reseni-sporu |
| Denmark | Ankenævnet på Energiområdet - Energy Supplies Complaint Board - www.energianke.dk/ |
| Estonia | Konkurentsiamet - Estonian Competition Authority - http://www.konkurentsiamet.ee |
| Finland | Kuluttajaneuvonta - Consumer Advisory Service - https://www.kkv.fi/kuluttajaneuvonta/ |
| France | Le médiateur national de l’énergie - The energy ombudsman - http://www.energie-mediateur.fr/ |
| Germany | Schlichtungsstelle Energie - https://www.schlichtungsstelle-energie.de/ |
| Greece | Συνήγορος του Καταναλωτή - Hellenic Consumer’s Ombudsman - http://www.synigoroskatanaloti.gr/index.html |
| Hungary | Magyar Energetikai és Közmű-szabályozási Hivatal - Hungarian Energy and Utilities Regulatory Office - http://www.mekh.hu/ |
| Ireland | Commission for Regulation of Utilities - https://www.cru.ie/ |
| Italy | Il Servizio Conciliazione dell'Autorità per l'energia - https://www.arera.it/it/consumatori/conciliazione.htm |
| Latvia | Sabiedrisko pakalpojumu regulēšanas komisija - The Public Utilities Commission - https://www.sprk.gov.lv/ |
| Lithuania | Valstybinė kainų ir energetikos kontrolės komisija (National Control Commission for Prices and Energy) - http://www.regula.lt |
| Luxembourg | Institut Luxembourgeois de Régulation - http://www.ilr.lu |
| Malta | Regulator for Energy and Water Services (REWS) - https://www.rews.org.mt/#/en/home |
| The Netherlands | De Geschillencommissie - https://www.degeschillencommissie.nl/consumenten/ |
| Poland | Postępowania ADR - http://www.ure.gov.pl/pl/koordynator-ds-negocjac/postepowania-adr |
| Portugal | Entidade Reguladora dos Serviços Energéticos (Energy Services Regulatory Authority) - http://www.erse.pt |
| Romania | Autoritatea Naţională de Reglementare în Domeniul Energiei - http://www.anre.ro/ro/contact/depunerea-unei-petitii |
| Slovakia | Alternatívne riešenie spotrebiteľských sporov - http://www.urso.gov.sk/?q=node/394 |
| Slovenia | Javna agencija Republike Slovenije za energijo (Energy Agency of the Republic of Slovenia) - http://www.agen-rs.si |
| Spain | Agencia española de consumo, seguridad alimentaria y nutrición - Spanish Agency for Consumer Affairs, Food Safety and Nutrition - http://www.aecosan.msssi.gob.es/AECOSAN/web/consumo/seccion/resolucion_… |
| Sweden | 1. Energimarknadsinspektionen (Ei) - https://www.ei.se/sv/for-energikonsument/ ; and 2. Allmänna reklamationsnämnden - http://www.arn.se/. |
