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Frequently asked questions

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How does the Trading Portal work?

You can find the user guide for the Trading Portal on our website underDownloads.

Which GOs can I import and export?

Through the AIB Hub, you can trade electricity and gas GOs across Europe. On the AIB website, you can see which European registries are connected. Instructions for trading via AIB can be found in the manual in the 'Downloads'. 

Ensure that both you and the sending/receiving trader are registered in MyVertiCer and in the other trader’s registry. 

Amber Grid (Lithuania) has been connected to the AIB hub for gas since the end of December 2025. VertiCer still needs to make adjustments in MyVertiCer to enable the actual export and import of gas GOs with Amber Grid. Import and export are therefore not yet possible at this time.

Until July 1, 2026, you can also trade gas GOs via the ERGaR Hub. If a registry joins AIB in the meantime, you can only trade with that registry via AIB from that moment onward. If you want to trade via ERGaR, please contact us. 

Do you want to trade green gas GOs with a production month of June 2025 or earlier? You can still use your old Vertogas account until July 1, 2026. 

Can I redeem Guarantees of Origin for future use?

No, this is not allowed. 

Only if you accidentally redeemed too many GOs may you use the surplus for a future period, but only if the Authority for Consumers and Markets (ACM) agrees. 

Can a redeemed Guarantee of Origin be transferred to another trader?

No, a redeemed GO cannot be used for a consumption period after its expiry date and cannot be transferred to another trader. 

How can I cancel my trading account?

Send an email to [email protected] with: 

  • Your Account Holder ID
  • The desired cancellation date 

The cancellation can take effect from the first day of the following month. 

The membership fee applies for the entire calendar year.

How much does participation in the GO system cost?

Only traders receive an invoice from VertiCer.
The fee consists of an annual membership fee and transaction fees. The membership fee covers the entire calendar year and is charged per account (for example, per Chamber of Commerce number). The rates are set by ministerial regulation. You can find the rates here. 

When a Guarantee of Origin is created, you pay the creation fee and the transfer fee as a trader. The Guarantee of Origin is then credited to your account. 

What should I do if my trading account is transferred to another owner?

Send an email to [email protected] to request a secure upload link. 

You will then receive an email with a link to upload the completed and signed form securely. 

Why do I need to redeem Guarantees of Origin?

GOs allow you to demonstrate the origin of energy, for example, whether it was generated from solar or wind power. This supports the energy transition. 

How does importing and exporting GOs work?

Via the AIB Hub, you can trade electricity and gas GOs across Europe. Instructions for trading via AIB can be found in the manual at 'Downloads'. Ensure that both you and the sending/receiving trader are registered in MyVertiCer and in the other trader’s registry. 

Why do I receive extra GOs or a withdrawal request?

Data used for issuing GOs can change. After a correction, you may receive extra GOs in your account or a request to withdraw GOs. For traders familiar with the old Vertogas platform, this replaces the former settlement request. 

Corrections to metering data are processed immediately and usually result in extra GOs or a withdrawal request at the same time. Corrections to fuel percentages occur once, after the end of the calendar year. Depending on the timing, extra GOs issued may no longer be valid because the correction relates to the production month. 

You can check which GOs you may use for the withdrawal request in the Trading Portal. 

How can I use GOs for Emission Reduction Units (ERUs) (formerly Renewable Fuel Units) or the EU Emissions Trading System (ETS)?

You can transfer GOs to the Dutch Emissions Authority (NEa) for ERUs or ETS. 

The NEa has a trading account within VertiCer. You can find this account in the VertiCer Trading Portal under the name “Nederlandse Emissieautoriteit”. In the reference field of the transaction, specify whether your transfer is intended for ERE or ETS. 

After you transfer the GOs, the NEa will assess whether they meet their criteria. If the NEa determines that the GOs do not meet the criteria, they will return them to you—provided they are still valid. Expired GOs cannot be returned. If the GOs meet the criteria, the NEa will redeem them in VertiCer. 

VertiCer only handles the transfer, not the substantive assessment. 

If GOs expire during the assessment or do not meet the criteria, neither NEa nor VertiCer is responsible. 

Always check the current criteria on the NEa website: www.emissieautoriteit.nl.