EEX Registries newsletter | September 2026
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EEX Registries newsletter | September 2026

Dear customers, partners and friends of EEX, 

 

Welcome to the first edition of the EEX Registries Newsletter, bringing together news and updates for the Issuing Bodies.

 

With this newsletter, we aim to keep you informed about developments across G-REX and our growing user ecosystem. In each edition, you can expect updates on new features and enhancements, practical tips for working with G-REX, news from ongoing projects and go-lives, as well as relevant resources and upcoming events.

 

As we launch this new communication channel, our goal is to provide information that is relevant, useful and actionable. We look forward to staying connected with you and supporting the continued growth of the G-REX community.

 

I hope you enjoy this first edition.

 

Best regards, 

 
Markus Klimscheffskij 

Head of Registries Business Development 

Feature Spotlight: Make your G-REX grids work for you 

Did you know that you can customise, save and share your grid views in G-REX?

 

With "Grid Saving and Sharing", you can tailor any grid by adjusting columns, applying filters and sorting data based on what matters most to you. Once you have created your ideal view, you can save it as a reusable template for easy access later or share it with colleagues using a generated link. 

 

The feature is available across all G-REX grid types for both Issuing Body and Account Holder views. 

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Feature Spotlight: Coming soon

As part of our ongoing efforts to improve the G-REX user experience, we will introduce two new features in September.

 

The new "Manage Domain News" feature will allow you to create and publish relevant updates directly to Account Holder users in your domain. You can access it by clicking on your user profile section in the top right corner and selecting "Manage News". Published news will be shown to Account Holder users on the landing page after logging in.

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We are also introducing the function "Select with bundle volumes", making it easier for Account Holding users to work with multiple certificate bundles. This feature will allow Account Holders to select specific volume from each bundle before performing transfer or cancel transactions.

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Austrian gas GO registry goes live

Earlier in May, E-Control and EEX successfully launched the new Austrian Gas Guarantees of Origin Registry, the 32nd G-REX registry now in operation. The new G-REX-based system offers a more user-friendly experience, improved performance, and enhanced functionality for the day-to-day management of gas GOs.

 

We are delighted to welcome E-Control to the G-REX family and look forward to continuing our collaboration.

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More G-REX registries connected to the AIB Hub 

The G-REX network continues to become more connected with the Austrian, Slovakian, French, Hungarian and Swedish gas registries now connected to the AIB Hub, enabling cross-border transfers of gas Guarantees of Origin with other connected registries.  

 

This marks another step towards greater interoperability and smoother international GO transfers across the G-REX ecosystem with now 12 electricity and 9 biogas registries connected to the AIB HUB. 

G-REX connects 32 registries in 25 European countries

Meet us at Open Markets Committee 2026! 

EEX is proud to co-host the OMC 2026 & French GO Symposium in Paris on 17 September.

 

Together with RECS and AIB, we will welcome leading experts from across the environmental markets community to explore key trends in power and gas guarantees of origin, renewable gas certification, energy tracking and future market developments. Aude Filippi, Blaise Farrokhi and Lena Müller-Lohse will contribute to discussions on both French power GOs and French gas GOs. Furthermore, our Helsinki registries team will attend the event.

 

We're looking forward to catching up with familiar faces, meeting new ones and exchanging ideas with colleagues from across the industry. If you're attending too, come and say hello — we’d love to see you there! 

Click here for registration and the programme
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Visit our website

Please visit our website for more information about the G-REX platform, including platform features, market coverage, resources and contacts.

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@ 2026 European Energy Exchange AG https://www.eex-group.com