The market share of green electricity has increased dramatically in recent years in Germany. Electricity consumers need to be confident that the green electricity they pay for does in fact come from renewable sources. Guarantees of origin (GO) prove the origin of renewable energy in a transparent way and provide electricity consumers the necessary reliability.
The mandatory electricity disclosure that electricity supplier are required to carry out (in accordance with section 42 to the German Energy Industry Act (EnWG)) provides customers with important information concerning their electricity consumption. Since January 2013 electricity supplier may only disclose renewable electricity on electricity bills and advertisement if they have cancelled GOs for the delivered amount of energy proving the renewable origin in the Herkunftsnachweisregister (Register of guarantees of origin). This measure makes disclosure more reliable and prevents electricity suppliers from double selling renewable energy.
Information for electricity suppliers
The detailed rules and regulations governing the HKNR can be found in the Guarantees of Origin Implementing Ordinance (Herkunftsnachweis-Durchführungsverordnung – HkNDV). Participants, e.g. electricity suppliers are charged a fee for using HKNR. Please find information concerning the fees in the Guarantees of Origin Fees Ordinance (Herkunftsnachweis-Gebührenverordnung – HkNGebV).
When registering for HKNR, bear in mind that in most cases a post office PostIdent procedure needs to be carried out for identification. Therefore it will take a few days until your registration will be approved and your account will be opened. If you have your permanent domicile outside Germany you may choose either to be identified in a German post office via the PostIdent procedure or to upload an electronic copy of your passport in the HKNR. To register as a natural or legal person, go to the HKNR home page. The registration procedure works as follows (be sure that you have the documents indicated below ready to hand):
Enter all key data concerning the natural or legal person.
Print out a form for the PostIdent process and take it the post office for identification purposes or upload an electronic copy of your passport in the HKNR.
Upload a scan of your Handelsregisterauszug (Commercial Register extract(s)).
If applicable: Download the power of attorney form for account holders or vendors, complete it and then upload the completed form in the HKNR.
Find a quick user guide with detailed information concerning the HKNR registration process on the HKNR homepage.
Information for electricity grid operators
The HKNR obtains power generation data from grid operators. Please note that the strict policy in this regard is “Don’t call us, we’ll call you.” In other words, grid operators should not take the initiative to either contact the HKNR or supply it with any data, without being expressly instructed to do so. For information as to how communication with grid operators is carried out, go to Downloads for grid operators ("Downloads", "Netzbetreiber"). For our initial contact with grid operators, we use the data from the database known as the BDEW-Codenummerndatenbank.
Establishment of the HKNR at the UBA is governed by Section 55(4) of the Renewable Energy Sources Act (EEG) and by Verordnung über Herkunftsnachweise für Strom aus erneuerbaren Energien (Herkunftsnachweisverordnung – HkNV) of 28 November 2011, which was published in the Bundesgesetzblatt on 8 December 2011. For further information contact the HKNR office.
Recognition of foreign guarantees of origin
Results of a study for individual countries
Guarantees of origin (GO) for electricity produced from renewable sources are to be traded internationally. Article 15 of EU Directive 2009/28/EC defines the requirements which guarantees of origin must meet. They must, for example, include the date of issue and identify the source of energy. However, not all the criteria are easy to check quickly and with certainty, which is why UBA launched a research project to review whether the GO from selected countries can be recognised in general. A consortium of lawyers (Becker Büttner Held Rechtsanwälte (BBH)) and consultants (Öko-Institut e. V.) conducted an evaluation of their national legal and energy management systems in a research project carried out on behalf of the Federal Environment Ministry.
The results for the individual countries have been published in English-language summaries. The UBA explicitly points out that these summaries do not amount to statements about whether future applications for recognition of GOs from the concerned countries will be granted eligibility for recognition. The UBA will instead continue to meet its legal mandate to review the eligibility for recognition of GOs, according to current standards and on a case-by-case basis. The results of investigations will be incorporated into these reviews.
All other states which were not selected for review of eligibility for recognition of their GO will be reviewed by the German Environment Agency directly. The results will not be published on this website. The omission of any state does not imply that the UBA does not recognise its guarantees of origin.
The impact of climate change will be felt more strongly in the future – and in Germany too. This is the conclusion reached in what is called the vulnerability analysis, a comprehensive study on Germany's vulnerability to climate change.