Report - DCE - Nationalt Center for Miljø og Energi

• Emission data reported from industrial plants
Annual environmental reports for the plants include a considerable number
of emission data sets. Emission data from annual environmental reports are,
in general, based on emission measurements, but some emissions have potentially
been calculated from general emission factors.
If plant-specific emission factors are not available, general area source emission
factors are used.
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Fuels not combusted in large point sources are included as source category
specific area sources in the emission database. Plants such as residential
boilers, small district heating plants, small CHP plants and some industrial
boilers are defined as area sources. Emissions from area sources are based on
fuel consumption data and emission factors. Further information on emission
factors is provided below.
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The fuel consumption rates are based on the official Danish energy statistics
prepared by DEA. DCE aggregates fuel consumption rates to SNAP categories.
Some fuel types in the official Danish energy statistics are added to obtain
a less detailed fuel aggregation level cf. Annex 2A-3. The calorific values
on which the energy statistics are based are also enclosed in Annex 2A-3.
The calorific values shown in the annex are default values but if available
plant specific reportings to the energy statistics are based on plant specific
calorific values. The correspondence list between the energy statistics and
SNAP categories is enclosed in Annex 2A-9.
The fuel consumption of the NFR category 0DQXIDFWXULQJ LQGXVWULHV DQG FRQ
VWUXFWLRQ (corresponding to SNAP category 03) is disaggregated into industrial
subsectors based on the DEA data set aggregated for the Eurostat reporting
(DEA 2011d).
Both traded and non-traded fuels are included in the Danish energy statistics.
Thus, for example, estimation of the annual consumption of non-traded
wood is included.
Petroleum coke purchased abroad and combusted in Danish residential
plants (border trade of 628 TJ in 2010) is not included in the Danish inventory.
This is in agreement with the IPCC Guidelines (1996).
The fuel consumption data for large point sources refer to the EU Emission
Trading Scheme (EU ETS) data for plants for which the Danish CO2 emission
inventory also refer to EU ETS.
For all other large point sources, the fuel consumption refers to a DEA database
(DEA 2010c). The DEA compiles a database for the fuel consumption of
each district heating and power-producing plant, based on data reported by
plant operators.
The fuel consumption of area sources is calculated as total fuel consumption
minus fuel consumption of large point sources.
The Danish national energy statistics includes three fuels used for nonenergy
purposes, bitumen, white spirit and lubricants. The total consump-