eex

    EEX Group operates across the entire value chain for energy certification, through its companies Grexel, EEX, EPEX SPOT and Nodal Exchange, offering registry services for Guarantees of Origin (GOs), energy savings certificates and capacity guarantees. In addition, it operates spot GO auctions, primary auctions for power and biogas GOs in France as well as trading GO futures contracts, complementing the Group’s comprehensive suite of environmental products and services. 

    EEX Group has a track record in energy tracking with more than 20 year experience

    Guarantees of Origin Markets

    French auctions for power GOs

    Auctions allow the purchase of GOs from production facilities benefiting from a support mechanism. 

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    French auctions for biogas GOs

    EEX has been appointed by the French Ministry of Energy to develop and operate the French auctions for biogas GOs.

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    GO Futures

    EEX, in collaboration with IncubEx, offers exchange-traded, cleared and physically delivered GO Futures in Europe . 

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    European Registry Services

    Providing services to markets

    Registries have become a key component of modern markets, enabling the secure and transparent tracking of ownership for complex instruments such as GOs, energy saving certificates or emission allowances. EEX provides Registry Services for environmental commodities, with particular focus on GOs. Our solutions are mainly used by issuing bodies, the appointed entities that are responsible for ensuring the integrity and reliability of the GO systems in their respective domains. The registry acts as the central bank for the commodity managing issuance, transfers, and cancellations with full audiability.

    We provide state-of-the-art registry services with a focus on security, compliance, and superior user experience. Explore the country-specific solutions we have implemented by clicking on the country codes on the maps.

    Registry solutions

    Dedicated Registry

    This service enables extensive customisation and integration. It can be hosted on-premises or by a third party, offering full control over the solution and the data. Access to source code can be secured by an escrow arrangement.

    G-REX Integration

    As more enterprises shift their business models and embrace digital transformation, the demand for GOs continues to grow, alongside the number of market participants. In this evolving landscape, time has become one of the most valuable resources. G-REX offers seamless integration to streamline processes and support efficient registry operations. 

    Registry as a Service

    This service enables customers to acquire a complete registry system without any initial investment or operational risk. The registry solution in production can be set up quickly and efficiently with full compatibility with European regulation. This is a secure and fully managed solution supported by responsive and experienced second-level support for the Issuing Body. 

    G-REX Platform

    The new generation of certificate registries

    G-REX incorporates knowledge and experience from two decades with a wide range of certification schemes across more than twenty countries to create the most advanced certificate registry available. More than ever, an increasing number of companies are changing their business models and digitally transforming their processes.

    With the increasing demand for GOs and a constantly growing number of players in the market, the time spent on processes is becoming the most valuable expense a company has to bear. Fortunately, digital transformation enables companies to reduce time spent on manual tasks and instead focus on what matters most: business decisions, strategy, and strengthening client relationships and network.

    Compatibility

    Directive 2018/2001 (RED II)
    Standard CEN-EN 16325
    EECS, ERGaR, CertifHy
    All energy carriers

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    Technology

    API-first design
    Cloud-native architecture
    Single-page application
    Resilient and scalable

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    Security

    Multi-factor authentication
    Single sign-on & user lifecycle management
    OWASP ASVS Level 2
    ISO 27001

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    Looking for integration with G-REX?

    Find the right solution for your enterprise and explore how you can benefit from integrating your services with the G-REX platform - already serving over 25 registries.

      

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    French Registry Services

    French registry for power Guarantees of Origin

    EEX operates the national registry for power GOs on behalf of the French Ministry of Energy. 

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    French registry for biogas Guarantees of Origin

    EEX operates the national registry for biogas GOs on behalf of the French Ministry of Energy. 

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    French Registry for Biogas Production Certificates

    EEX operates the registry for Biogas Production Certificates (CPBs in French) as mandated by the French Ministry in charge of Energy. 

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    French Capacity Guarantees for RTE

    EEX supports the French power transmission system operator RTE in its role of registry for capacity guarantees. 

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    French Energy Savings Certificates

    The Energy Savings Certificates mechanism or "Certificats d’Economies d’Energie" (CEE) was created in 2005 as one of the key tools of the French energy demand side management policy within the context of European objectives. 

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    Aude Filippi

    Director Business Development Gas & Sustainability Markets

    aude.filippi@eex.com

    Markus Klimscheffskij

    CEO Grexel

    +358 9 4241 3161 markus.klimscheffskij@grexel.com

    Grexel merger

    EEX will fully integrate all operations and services provided by Grexel Systems (Grexel) as of 1 January 2026, to further strengthen its registry and energy certification business.

    Please find further information in the documents that are provided unter the link below.

    to the documents