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Endesa - Electricity, Gas, People


Customer Service


Telephone for customers and non-customers

800 76 03 33

Energía XXI

Do you call from outside Spain?

0034 - 937 061 509

Energía XXI

We also serve you in Spanish and Catalan.

Reopening of offices

Following the temporary closure due to COVID-19, our offices and service points will begin reopening on May 11.

Technical service


Please contact the distributer for your geographical area:

900 85 08 40

(*) According to the New Law of Consumption of Catalonia.

We put at your disposal the list of all the distributors by Autonomous Communities here .

See offices by appointment only

Enquire for your appointment and avoid waiting!

See offices and service points:

              APP ENERGÍA XXI

              Control your energy remotely

              With our app you get all the information on your consumption and bills on your mobile or tablet. Download it now!

              You can also contact us at