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Season's Greetings from Grexel!

December, 2017


Grexel to Power Lithuanian Guarantee of Origin Registry

September, 2017
Following an international public tendering, the Lithuanian electricity transmission system operator, Litgrid, has selected Grexel as the provider of the central registry for electricity Guarantees of Origin (GO) in Lithuania.
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Major improvement in CMO.grexel Transaction Speed

August, 2017
CMO.grexel can now process transactions three times faster than before. In registries, certificates are stored in bundles consisting of a set of certificates with equivalent properties such as production time, country of origin and details of originating production device. One transaction can contain several certificate bundles. For example, a month of production of a hydro device can be in one certificate bundle of 50 000 certificates. Committing a transaction with a certificate bundle is a rather complex operation itself. A certificate registry needs to perform many validations and checks before it knows whether such transaction is allowed and what are the consequences.
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Finnish Biomethane Certification Scheme is Now Powered by Grexel

August, 2017
Gasum Oy, the state-owned transmission system operator (TSO) for natural gas in Finland has moved their biomethane certification scheme to CMO.grexel. Grexel’s central registries are now used in 3 countries for biomethane certification, which makes Grexel the market leader in biomethane certification in terms of countries covered. Grexel is already the market leader in the electricity certification field with a coverage of 10 countries.
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European Residual Mixes 2016 now published

May, 2017
The AIB has published last year's Residual Mixes and European Attribute Mix.

As in the past years, Grexel Systems was responsible for carrying out the calculcations. All key figures indicate the strengthening of explicit tracking for renewables (GOs).

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Grexel's greenhouse gas emissions 2016 published

March, 2017
For the fifth consecutive year, we report the emissions and compensate them by using emission reduction units. See our GHG Emission Inventory for 2016 for details and calculations. Even though the overall GHG emissions caused by Grexel's business increased by 3,82%, the emissions per transacted certificate and per turnover dropped slightly.
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