Posts

Transparent Energy Sourcing: G-REX Manages Finnish Heating and Cooling Guarantees of Origin

  In a significant leap towards sustainable energy practices,…

Establishing an Electronic Guarantees of Origin System in Albania

Grexel, part of EEX Group, has been appointed by the Energy…

Implementing a Biogas and Hydrogen Guarantee of Origin System for JSC Conexus Baltic Grid 

The Latvian Transmission System Operator, JSC Conexus Baltic…

Establishing an Electronic Guarantees of Origin System in Georgia

Why you should care about v80, the new EECS GO format?

We are delighted to share that we have successfully migrated all of our customers to the G-REX platform within the past year.

The transition to G-REX is completed

We are delighted to share that we have successfully migrated all of our customers to the G-REX platform within the past year.

Meet Grexel’s Summer trainee 2023

We are thrilled to welcome Aleksi, our dynamic summer trainee, who joined our team at the beginning of May.

Hydrogen certification goes cloud!

CertifHy has moved onto Grexel's new G-REX platform!

Fayjul Khan is Grexel’s new UX developer

Meet Fayjul Khan, our new UX Developer. Fayjul is specializing on new feature development. He designs the G-REX user interface with a strong focus on user journeys, needs and usability.

Georgia starts issuing Guarantees of origin in 2023

Georgia starts using G-REX in January 2023. During the Energy Community-coordinated project a total of 9 registries were built by Grexel to enable the efficient implementation of Guarantees of Origin in the region. Energy Community expects additional contracts to be signed in 2023. This will enable the trading of EECS-compatible Guarantees of Origin in the participating domains.