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Alterna, Electricity and Gas Supplier in France

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Founded in 2005, Alterna sells both electricity and gas to customers across France.

About Alterna

Created in 2005 by the fusion of local distribution companies (in French: entreprises locales de distribution - ELD) Gaz Electricité de Grenoble and Sorégies, Alterna is one of the latest energy suppliers to appear on the market. Alterna offers are available throughout the French territory, with the exception of the service areas of Gaz Electricité de Grenoble, Sorégies, and of local distribution companies.

Alterna is a group of twenty local distribution companies that have pooled their resources in order to offer service across France. This allows Alterna to rely on a network of locally established suppliers, despite its small size. Currently counting close to 360,000 customers, Alterna seeks to find new local distribution companies to expand its network and ultimately acquire 5-10% of the residential French electricity market. Alterna also offers gas supply thanks to a partnership with Eni.

Alterna's Partner Local Distribution Companies (ELD)
Sicae de l'Aisne Energies et Services de Schieneck
RSE Amberieux-en-Dombes  Energies et Services de Pierrevillers
Régie de Roquebillière Régie de Talange
Régie de Gattières Régie d'Uckange
Régie de Saverdun Energies et Services de Loos
Régie de Mazères Energies et Services Lannemezan
Régie de Tarascon sur Ariège SIVOM d'Energies du Pays Toy
SICAE de Précy-Saint-Martin Régie de Capvern
Régie de Quillan Régie La Cabarnasse
SIE Labergement Sainte-Marie Régie Saint-Laurent-de-Cerdans
Régie de Cazères Régie de Prats-de Mollo-la-Preste
Régie de Martes Tolosane Régie de Fondpédrouse
Régie de Miramont-de-Comminges Régie de Sarre-Union
Régie de Bazas Régie de Mitry Mory
Régie de La Réole SICAE Ely
Régie du Sud de la Réole Régie de Montdidier
Gignac énergie Energies et Services de Carmaux
Régie de Cazouls-les-Béziers SICAE du Carmausin
Régie de Salins les Bains Régie de Lavaur - Pays de Cocagne
Gascognes Energies Services Régie de Saint Paul Cap de Joux
SICAP de Pithiviers RSoregies
Energies et Services d'Amnéville Régie de Saint Leonard de Noblat
Energies et Services de Creutzwald SICAE La Ferté-Alais
Energies et Services de Hagondange Coopérative de Villiers sur Marne

Alterna Offers

Alterna offers both green and conventional electricity plans, as well as a plan for natural gas supply for residential customers.

Offer Subscription Charge Per kWh rate Details Find out More
Alterna Idea Electricité Higher than regulated tariffs More or less expensive than regulated tariffs depending on the power rating and tariff chosen No commitment Call Alterna
Planete Oui  % savings compared to regulated tariffs Same as regulated tariffs No commitment
100% green
09 87 67 37 93 or Call me back
alternaAlterna Idea Vert Higher than regulated tariffs More or less expensive than regulated tariffs depending on the power rating and tariff chosen 100% green
No commitment
Contact Alterna
Direct Energie Same as regulated tariffs  % savings compared to regulated tariffs 100% green
No commitment
Offre 100% Pur Jus
09 87 67 37 93 or Call me back
Alterna Idea Gaz  % discount compared to regulated tariffs
One year fixed price
 % discount compared to regulated tariffs
One year fixed price. No price guarantee after the first 12 months.
No commitment Contact Alterna
Eni Same as regulated tariffs  % discount compared to regulated tariffs
Guaranteed cheaper than regulated tariffs, with no time limit
No commitment 09 87 67 37 93 or Call me back

Our Thoughts on Alterna's Offers

Whether for regular or for green electricity, our thoughts on Alterna are the same: Alterna does not offer the cheapest rates on the market. Likewise, their rates for natural gas, while more competitive, are not the cheapest to be found.

How to Contact Alterna

Find out all the ways to contact the energy provider below.

Alterna Customer Service Telephone Numbers

New customers can call Alterna at 0800 71 12 34. This number is free to call from a French landline.

Alterna customers can reach customer service at 0 810 105 205 from Monday to Friday between 8 am and 7 pm, as well as submit a request via the supplier's dedicated online form. For businesses, the number is 0810 505 505.

How to Email Alterna

Residential customers can reach Alterna by email at electricite@alterna-energie.fr.

Business customers can reach Alterna at indus@alterna-energie.fr. Small business customers can email pros@alterna-energie.fr.

Contact Alterna via Post

Alterna's post address is: Alterna - 75 boulevard Haussman - 75008 Paris

When to contact Alterna

Alterna customer service can help you with the following issues:

  • Question about the steps to follow for moving
  • Problem with your contract or change the settings of your contract (billing method, change of billing address ...)
  • Specific questions about the offers and rates offered by Alterna
  • Cancelling your contract

Alterna English-Speaking Customer Service

Alterna does not currently offer English-speaking customer service unfortunately.

Other Electricity and Gas Contacts

While Alterna should be your first point of contact for all customer service questions, you should contact the local grid operator in the event of an emergency, such as a power outage or gas leak.

Contact ERDF

ERDF is the grid operator for 95% of France. Contact ERDF for power outage response or for requests for new service installation. The telephone number for reporting power outages and other electricity-related emergencies is 09 72 67 50 ** (with the last two digits representing your postal code - for Paris, the number would be 09 72 67 50 75). Find the number for new service installation in our guide to ERDF telephone numbers.

Contact GRDF

GRDF is the network operator for natural gas in France. Call 0 800 47 33 33 for emergency gas leak response, or call 09 69 36 35 34 for customer service

How to Open an Account with Alterna

Signing up for an electricity account or natural gas account with Alterna is simple, and takes only a few minutes. You can either contact them directly over the phone, or sign up online on their website.

  • You need to have the following information in order to open an energy account with Alterna
  • Your contact information: name, e-mail address, phone number
  • The full address of your new accommodation. Don't forget the floor and apartment number if it is a flat (e.g. third floor, door on the left)
  • The name of the previous occupant
  • Your banking information (RIB) (IBAN and BIC, if you choose automatic payment)

Compare Alterna with other suppliers (in French)