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Endesa - Electricity, Gas, People

Energía XXI is the Endesa brand for the regulated market

Endesa has a new brand for the regulated market: Energía XXI. This new company will offer regulated rates to electricity and gas customers.  The following content explains the differences between the open market and the regulated market.

This change will not affect customer contracts or their conditions. If you are in the open market, you will not notice any changes. If you are in the regulated market, from now on your invoices will bear the new brand’s name, logo and company name: Energía XXI Comercializadora de Reference, SLU.

You can still contact your energy retailer via the existing channels. However, Energía XXI has a new website ( ) that contains information and advice, as well as a Private Customer Area.

Here’s a reminder of the main Endesa Customer Service Channels:


If you have any questions about the new look for regulated suppliers, the following post shows how each of the brands have changed.