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Title:
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The interaction between electricity, heat and gas in a tradable green certificate system. Paper for the analysis phase of InTraCert
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Author(s):
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Published by:
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Publication date:
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ECN
Policy Studies
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1-8-2001
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ECN report number:
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Document type:
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ECN-I--01-012
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ECN publication
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Number of pages:
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Full text:
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29
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Download PDF
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Abstract:
The InTraCert project aims to explore the possibility of integratingthe existing and planned Tradable Green Certificate (TGC) schemes in
the European Union and, therefore, creating a plausible unified market
for TGCs. Particular attention was paid to the possibilities of integrating
TGCs for green electricity, green heat and biogas. This report gives
an account of this particular issue. An inventory and analysis of the
specific issues at stake when taking green heat and biogas into account
in a green certificate system has been made. The analysis shows that
production-based issuing of certificates is preferred, although for
practical reasons it is easier to start with grid-based (and ?electricity-only?)
certificates. Conversion between different certificates and units are
of main concern when green heat and biogas are included in the system.
The kWh seems to be a convenient unit to issue the certificates. It
should be possible to exchange certificates for new certificates, i.e.
?redemption for conversion? (conversion of the certificates in parallel
with the conversion of the physical energy flow), as opposed to the
redemption of certificates to fulfil an obligation. Mandatory demand,
or the obligation, should suitably be put on consumers and stated in
general terms. The consumer may then decide on the preferred energy
mix to fulfil his obligation. Countries may allow for the possibility
to comply with the obligation using foreign certificates and restrict
the import of TGCs that they judge ?unacceptable?. However, for substantial
international trade to take place, some harmonisation, e.g. for issuing
certificates, is required.
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