On this page you will find documents governing the operation of the Registry of Renewable Gases, the use of the G-REX system and the handling of guarantees of origin for renewable gas and Biomethane Quantity Certificates.
The Operating Rules of the operator of the Registry of Renewable Gases, approved by the Regulatory Office for Network Industries (ÚRSO), set out the basic rules of the Registry and the rights and obligations of Account Holders. The Operating Rules and the relevant ÚRSO decision are available in Slovak and English.
The SPPD Domain Protocol describes the implementation of the EECS Rules in the Slovak Domain and the related rules of the SK GAS standard. International transfers of guarantees of origin under the EECS standard are carried out through the AIB Hub; under the SK GAS standard, through the ERGaR Hub during the permitted transitional period. The Domain Protocol is available in Slovak and English.
Contract templates, the AIB Standard Terms and Conditions, applications and the procedure for obtaining access are provided in the Applications and Contractual Documents section.
The G-REX User Guide contains practical instructions for working in the Registry and is available in its current version after logging into the system.
The page also provides guidelines on the use of guarantees of origin in the EU ETS and on meeting the reference values in the CNG/LNG transport fuels sector, as well as a diagram of how the Registry operates.
- Operating Rules of the Slovak Registry of Renewable Gases (valid from 14.4.2023)
- RONI Decision Operating rules of the Registry (valid from March 28, 2023)
- Scheme of Registry operation
- Guidelines on the application of Guarantees of Origin for biogas from the gas grid in the EU ETS
- Guidelines on the obligation of compliance with CNG/LNG benchmarks – SPP – distribúcia & Slovak Hydrometeorological Institute
- AIB: EECS Domain Protocol for SPP – distribúcia