Residual Mix Calculation at the Heart of Reliable Electricity Disclosure in Europe—A Case Study on the Effect of the RE-DISS Project

Markus Klimscheffskij, Thierry Van Craenenbroeck, Marko Lehtovaara, Diane Lescot, Angela Tschernutter, Claudia Raimundo, Dominik Seebach and Christof Timpe
Additional contact information
Markus Klimscheffskij: Grexel Systems Oy, Lautatarhankatu 6, FI-00580 Helsinki, Finland
Thierry Van Craenenbroeck: These authors contributed equally to this work.
Marko Lehtovaara: These authors contributed equally to this work.
Diane Lescot: These authors contributed equally to this work.
Angela Tschernutter: These authors contributed equally to this work.
Claudia Raimundo: These authors contributed equally to this work.
Dominik Seebach: These authors contributed equally to this work.
Christof Timpe: These authors contributed equally to this work.

Energies, 2015, vol. 8, issue 6, 1-30

Abstract: In the EU, electricity suppliers are obliged to disclose to their customers the energy origin and environmental impacts of sold electricity. To this end, guarantees of origin (GOs) are used to explicitly track electricity generation attributes to individual electricity consumers. When part of a reliable electricity disclosure system, GOs deliver an important means for consumers to participate in the support of renewable power. In order to be considered reliable, GOs require the support of an implicit disclosure system, a residual mix, which prevents once explicitly tracked attributes from being double counted in a default energy mix. This article outlines the key problems in implicit electricity disclosure: (1) uncorrected generation statistics used for implicit disclosure; (2) contract-based tracking; (3) uncoordinated calculation within Europe; (4) overlapping regions for implicit disclosure; (5) active GOs. The improvements achieved during the RE-DISS project (04/2010-10/2012) with regard to these problems have reduced the total implicit disclosure error by 168 TWh and double counting of renewable generation attributes by 70 TWh, in 16 selected countries. Quantitatively, largest individual improvements were achieved in Norway, Germany and Italy. Within the 16 countries, a total disclosure error of 75 TWh and double counting of renewable generation attributes of 36 TWh still reside after the end of the project on national level. Regarding the residual mix calculation methodology, the article justifies the implementation of a shifted transaction-based method instead of a production year-based method.

Keywords: guarantee of origin; electricity disclosure; residual mix (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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