Service Endesa - information / complaint Last update on 08-03-2012 Endesa - information / complaint Execute service online Read more Who Any of Endesa customer. When At any time. Due date At the moment. Contacts Service counters of Citizen Shops WebsiteLink Customer service Endesa Phone 800 101 033 WebsiteLink Competent authorities Endesa Energy The information presented is the responsibility of the competent authorities. The contents were translated automatically by use of a tool that is not perfect in all situations. Please refer to the terms and conditions of the portal.