Finnish Biomethane Certification Scheme is Now Powered by Grexel

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.

CMO.grexel selected as the Danish Biogas Registry, the certificate scheme operator, has decided to adopt Grexel's solution for certificate management.

European Residual Mix Calculation

Grexel is responsible for calculating the European Residual Mixes and the European Attribute Mix on behalf of the Association of Issuing Bodies (AIB).  

Why is this so crucial for reliable Electricity Disclosure and Guarantees of Origin?

GECCO™ - Your Platform for Efficient Carbon Credit Management

Deposit and manage credits from EU ETS

Case: Ireland - In Need of an Efficient Online Registry for GOs

Ireland is a good example of how CMO.grexel online registry helps issuing bodies and local energy authorities to manage their energy certificates with efficiency, transparency and, let’s not forget, low cost.

Grexel discloses and compensates its Carbon Footprint

Being an environmentally aware company, Grexel® has decided to disclose and compensate its own carbon footprint.

Norwegian Central Registry, NECS

The Grexel-built Norwegian Energy Certificate System, NECS, is the first certificate registry supporting internationally connected disclosure and support certificate schemes.


Certificate Registry

Need to establish a registry for energy certificates? It's already there.
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Market Design

Engineering rules for voluntary certificate trading scheme or market based support system? The expertise you need is already there.

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Energy Certificates for Beginners »

Our Clients

We host a central registry (CMO.grexel) for Guarantees of Origin for Croatia, Denmark, Hungary, Iceland, Ireland, Luxembourg, Serbia and Lithuania.

We power a central registries for support certificates and Guarantees of Origin for Norway (NECS) and Sweden (Cesar).
It is also the world’s first certificate-based joint support scheme between two countries!

For biomethane certification Grexel's registries are currently used by (Denmark),
 Gasum (Finland) and GreenGasTrading (UK).

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Grexel cuts its Green House Gas emissions by 27% 

Grexel has now published its GHG emissions inventory for 2017.
Read More»

API is free for all CMO.grexel users! 

Grexel® have decided to make CMO.grexel API free for all account holders in all domains.
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Season's Greetings from Grexel! 

Also this year, we decided to donate the funds earmarked for Season's greetings to BSAG's work for a healthier Baltic Sea.
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Grexel to Power Lithuanian Guarantee of Origin Registry 

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
CMO.grexel can now process transactions three times faster than before.
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Finnish Biomethane Certification Scheme is Now Powered by Grexel
Gasum Oy, the state-owned transmission system operator (TSO) for natural gas in Finland has moved their biomethane certification scheme to CMO.grexel.
Read More»

European Residual Mixes 2016 now published
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.
Read More»

Market Data

  2018 2017
Norway 63 874 301 136 214 259
Croatia 809 418 1 738 230
Denmark 9 679 722 19 371 001
Finland - Grexel
Germany - Öko
Iceland 8 194 544 20 081 290
Ireland 1 021 367 2 021 089
Lithuania 203 486
Luxembourg 68 777 106 055
Sweden 15 929 213

More Statistics

CMO.grexel reports
Guarantee of Origin statistics from Croatia, Denmark, Germany, Iceland, Ireland, Luxembourg, Sweden and Serbia

Norwegian GO reports (NECS)
EECS Guarantees of Origin in Norwegian registry

Swedish GO reports (Cesar)
EECS and national Guarnatees of Origin in Swedish registry

Elcertificate report (NECS)
Norwegian-Swedish common support certificate market reports

AIB Statistics
EECS certificates market information accross all AIB members updated quarterly

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