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    In August 2018, the French Minister for an Ecological and Solidary Transition appointed Powernext, now integrated into EEX, to organise the auctioning of Guarantees of Origin produced by the plants benefiting from a support mechanism. The State is the sole seller during these auctions.

    Overall presentation of the auctions

    Auctions allow the purchase of Guarantees of Origin from production facilities benefiting from a support mechanism. These power plants are registered on the account of the French Climate Authority (DGEC). Only the DGEC can request the issuance of Guarantees of Origin and decide on their auctioning. For each auction, the DGEC decides to offer part or the totality of the volume of GOs available on its account for a given production period.

    How do auctions work

    Before the auction is held, EEX publishes the exhaustive list of the Guarantees of Origin issued by the State and available for purchase via the auction on the dedicated platform.

    Participants registered with EEX and ECC to participate in the auction then have a period of 7 days to submit their orders and adjust their trading limits. At the latest 2 days after the auction, the results are published and the payment and delivery of the Guarantees of Origin are made.

    Calendar of the auctions

    Please find below the calendar of the next French auctions for Guarantees of Origin. 

    Since May 2020 and upon the DGEC's request, the floor price has been communicated to participants ahead of each auction.

    Calendar 2026
    Opening of Order Book Modification of cash trading limits Closure of Order Book Order Matching
    Auctioning month
     
    Production month
     

    10:00 AM

    4:00 PM

    10:00 AM

    12:00 AM
           
    January 2026 September 2025 19/01/2026 20/01/2026 21/01/2026 21/01/2026
    October 2025
    February 2026 November 2025 11/02/2026 17/02/2026 18/02/2026 18/02/2026
    March 2026 December 2025 11/03/2026 17/03/2026 18/03/2026 18/03/2026
    April 2026 January 2026 08/04/2026 14/04/2026 15/04/2026 15/04/2026
    May 2026 February 2026 13/05/2026 19/05/2026 20/05/2026 20/05/2026
    June 2026 March 2026 10/06/2026 16/06/2026 17/06/2026 17/06/2026
    July 2026 April 2026 15/07/2026 21/07/2026 22/07/2026 22/07/2026
    August 2026 May 2026 12/08/2026 18/08/2026 19/08/2026 19/08/2026
    September 2026 June 2026 09/09/2026 14/09/2026 15/09/2026 15/09/2026
    October 2026 July 2026 14/10/2026 20/10/2026 21/10/2026 21/10/2026
    November 2026 August 2026 12/11/2026 17/11/2026 18/11/2026 18/11/2026
    December 2026 September 2026 09/12/2026 15/12/2026 16/12/2026 16/12/2026

    *Kindly note the utilized Date Format is as follows: DD/MM/YYYY

    Access to auctions

    Participation in the auction will be open to any company that meets – among others – the following criteria:

    • Be an account holder on the registry of GO operated by EEX
    • Accept the GO Auction General Terms and Conditions and adhere to the corresponding Access Agreement
    • Be a member of ECC and sign a clearing contract (several clearing models will be proposed).
    • Pay the annual auction registration fee

    Guarantees of Origin - FAQ

    Publishing date Title File
    2020-10-12 Guarantees of Origin Registry - FAQ (English) pdf (241 KB)
    2020-10-12 Guarantees of Origin Registry FAQ (French) pdf (257 KB)

    Results

    Each month, EEX publishes the latest auctions results. 

    The reserve price for the January auctions is: 0,15 €/MWh.

    September

    September 2025

    Region

    Volume Offered - MWh

    Volume allocated - MWh

    Weighted Average Price - €/MWh

    Auvergne-Rhône-Alpes

                                                232.987                                           232.987     €                                                                       0.23

    Bourgogne-Franche-Comté

                                                199.762                                              199.762     €                                                                       0.28

    Bretagne

                                                140.136                                             140.136  €                                                                       0.24

    Centre-Val de Loire

                                                234.219                                              234.219  €                                                                       0.24

    Grand Est

                                                581.274                                            581.274  €                                                                       0.24

    Haut-de-France

                                                810.626                                               810.626   €                                                                       0.21

    Île-de-France

                                                   52.843                                                52.843     €                                                                       0.26

    Normandie

                                                  153.700                                                153.700    €                                                                       0.20

    Nouvelle-Aquitaine

                                                500.187                                               500.187     €                                                                       0.19

    Occitanie

                                                379.229                                              379.229  €                                                                       0.19

    Pays de la Loire

                                                208.425                                              208.425     €                                                                       0.21

    Provence-Alpes-Côte d'Azur

                                                216.890                                              216.890     €                                                                       0.21

     

    September 2025
    Technology Volume Offered - MWh Volume allocated - MWh Weighted Average Price - €/MWh
    Wind                                                                  2.089.714                                                                                  2.089.714   €                                                                       0.23  
    Hydro                                                                     133.949                                                                                   133.949   €                                                                       0.20 
    Solar                                                                  1.196.176                                                                                  1.196.176    €                                                                       0.21 
    Thermal                                                                     290.439                                                                                      290.439     €                                                                       0.18 

    October

    October 2025

    Region

    Volume Offered - MWh

    Volume allocated - MWh

    Weighted Average Price - €/MWh

    Auvergne-Rhône-Alpes

                                                235.183                                          235.183     €                                                                       0.20

    Bourgogne-Franche-Comté

                                                283.295                                            283.295    €                                                                       0.24

    Bretagne

                                                174.494                                             174.494  €                                                                       0.23

    Centre-Val de Loire

                                                259.886                                             259.886  €                                                                       0.22

    Grand Est

                                                770.041                                           770.041  €                                                                       0.22

    Haut-de-France

                                                940.967                                               940.967   €                                                                       0.21

    Île-de-France

                                                   55.585                                                55.583     €                                                                       0.27

    Normandie

                                                  168.305                                                168.305    €                                                                       0.21

    Nouvelle-Aquitaine

                                                558.563                                               558.563     €                                                                       0.22

    Occitanie

                                                369.537                                             369.537  €                                                                       0.20

    Pays de la Loire

                                                255.528                                              255.528  €                                                                       0.20

    Provence-Alpes-Côte d'Azur

                                                179.388                                           179.388  €                                                                       0.20

     

    October 2025
    Technology Volume Offered - MWh Volume allocated - MWh Weighted Average Price - €/MWh
    Wind                                                                  2.819.938                                                                                 2.819.936  €                                                                       0.22  
    Hydro                                                                     129.489                                                                                   129.489  €                                                                       0.20 
    Solar                                                                  1.011.528                                                                                  1.011.528  €                                                                       0.21 
    Thermal                                                                     289.817                                                                                      289.817     €                                                                       0.18 

    Account Holders

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    Guarantees of Origin Data

    Download the latest results

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    EEX Group Trading Calendar

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    Guarantees of Origin Data

    Publishing date Title File
    2026-01-22 GO 2026 Global Results zip (149 KB)
    2026-01-13 EEX Customer Information - Upcoming GO Electricity Auction: New Platform Key – Dates & Procedures (January 2026) pdf (190 KB)
    2025-12-08 EEX Customer Information – Calendar 2026 for French Auctions for Guarantees of Origin pdf (248 KB)
    2025-11-20 GO 2024-2025 Global Results zip (3 MB)
    2024-04-23 GO 2019-2023 Global Results zip (4 MB)
    2023-03-07 EEX Customer Information – Double enchère pour Mars 2023 pdf (100 KB)
    2021-11-24 Cahier Des Charges mise aux enchères GO - approuvé (FR) pdf (9 MB)
    2021-11-24 EEX Enchères de Garanties d’Origine françaises – Conditions Générales (FR) pdf (550 KB)
    2021-11-24 EEX French Guarantees of Origin Auction General Terms and Conditions (EN) pdf (516 KB)

    Consumer information

    The public information provided by EEX aims to inform consumers of the origins of their renewable energy. 

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