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Indicator Specification
Anthropogenic emissions of SO2, NOx and dust all contribute to air quality problems in Europe. Excess deposition of sulphur and nitrogen compounds can lead to disturbances in the functioning and structure of ecosystems by, for example, causing the acidification of soils and waters as well as, in the case of nitrogen, the eutrophication of nutrient-poor ecosystems such as grasslands.
LCPs use large amounts of fuels, mostly fossil fuels, to produce useful forms of energy. These plants inevitably generate a number of residues, waste products and emissions to all environmental media (air, water and soil). Emissions from LCPs constitute a significant proportion of total anthropogenic emissions and are considered one of the main environmental pressures from LCPs.
This indicator tracks trends since 2004 in emissions of SO2, NOx and dust, as well as the environmental performance of LCPs. LCPs comprise combustion plants with a total rated thermal input equal to or greater than 50 MW.
The geographical coverage comprises the EU-28 Member States (Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden and the United Kingdom).
The temporal coverage is 2004-2015 (most recent year with officially reported LCP emissions and fuel use; EEA LCP database v1.0 (see Data sources))
SO2, NOx and dust emissions – kilotonnes (kt)/year
Total fuel consumption – terajoules (TJ)/year
Implied emission factors – tonnes/terajoules (TJ)
Rated thermal input – megawatt thermal (MWth)
The EU has had a policy on emissions from combustion plants since the 1980s. Between 2004 and 2013, two pieces of EU law were in place: the LCP Directive (Directive 2001/80/EC) and the IPPC Directive (Directive 2008/1/EC). EU law imposed specific emission limit values on emissions of NOx, SO2 and dust from plants with a rated thermal input equal to or greater than 50 MW. Since 1 January 2016, this legislation has been replaced by the IED (Directive 2010/75/EU).
The aim of EU policy on LCPs is to reduce emissions to air, water and land, including measures related to waste, in order to achieve a high level of protection of the environment as a whole. The focus for LCPs is to reduce the emissions of acidifying pollutants, particles and ozone precursors.
The Large Combustion Plant Directive
The EU (then the European Economic Community (EEC)) started to regulate combustion plants by means of Directive 84/360/EEC. This directive established a framework for permitting installations and the criteria to do so, but did not establish specific limitations that were applicable across Member States. During the 1980s, the European Communities became party to the Convention on Long-range Transboundary Air Pollution which requires more harmonised action and the establishment of clearer operational criteria and emission limit values.
These precedent directives were replaced by Directive 2001/80/EC, known as the LCP Directive, which imposed limits on the emissions of NOx, SO2 and dust from plants with a rated thermal input equal to or greater than 50 MW. The aim of the LCP Directive was to reduce the emissions of acidifying pollutants, particles and ozone precursors
The Integrated Pollution Prevention and Control Directive and the 2006 Reference Document on Best Available Techniques for Large Combustion Plants
Combustion plants were also regulated by the so-called IPPC Directive, a piece of EU law which tackled LCPs in an integrated way and not only with regard to their emissions to air. Under the IPPC Directive, a BREF on LCPs was agreed in order to establish a reference for the permits of LCPs.
The Industrial Emissions Directive
As of 2016, all combustion plants have been regulated by Directive 2010/75/EU, the IED, which simultaneously establishes minimum requirements (Chapter III) and an integrated permitting system (Chapter I). A new BREF document for LCPs under the IED has been negotiated, and an implementing act will set the aspects that will entail a legally binding character (EC, 2016).
Under the IED, permit conditions, including emission limit values, must be based on BATs. The term ‘best available techniques’ refers to the most effective, economically and technically viable methods of operation which reduce emissions and the impact on the environment.
The European Pollutant Release and Transfer Register
An additional EU regulation is the Regulation on the European Pollutant Release and Transfer Register (E-PRTR) (Regulation (EC) No 166/2006): plants with activities over certain thresholds must report to the E-PRTR on releases of pollutants and off-site transfers of waste and pollutants in wastewater.
The European National Emission Ceilings Directive
The National Emission Ceilings Directive (NECD, 2016/2284) sets mandatory national emission ceilings for a number of air pollutants. This in turn is a driver for emission reductions in a variety of sectors including the energy sector and large combustion plants
No targets have been specified.
Queries are applied to the LCP database (EEA, 2016a) for the calculations necessary in this analysis. For each plant, total fuel consumption (a sum of fuel consumption from all fuel types) and capacity class (based on a plant's rated thermal input (MWth)) are calculated. Plants are grouped into five capacity classes: > 500 MWth, 301-500 MWth, 101-300 MWth, 50-100 MWth and < 50 MWth. The last of these (< 50 MWth) is excluded from calculations involving capacities in this indicator.
Figure 1: to create an index graph of the pollutants, disaggregated by capacity class, an index for each pollutant and capacity class is calculated for 2004-2015 as follows: (emissions in the capacity class for the current year/emissions for all capacity classes in the base year) * 100. The base year is 2004.
Figure 2: for each capacity class and year, emissions and total fuel consumption are summed, and an IEF is calculated as follows: emissions (tonnes)/fuel consumption (TJ).
Figure 3 and 4: IEFs are calculated for each pollutant separated by capacity class (Figure 3) and fuel type (Figure 4) at the EU level. The sum of emissions for a given pollutant in a given year is divided by the total fuel consumption, for each capacity class and fuel type.
LCP emissions are reported at plant level if a plant can use different fuels. For the calculation of fuel-specific IEFs, only single-fuel (i.e. plants for which one fuel represents more than 95% of the total fuel input in TJ) are included. All emissions of the plant are attributed to the single fuel, resulting in a coverage of 71 % of the plants, 78 % of SO2 emissions, 79% of NOx emissions and 73 % of dust emissions.
For the earlier years in the time series some plants had missing MWth capacity data. Where possible, the MWth from an adjacent year’s reporting for that plant was used to gap fill.
No methodology references available.
This indicator covers EU-28 countries. However, there is no data for Croatia for 2004-2009. Their data has not been gap-filled, and in the years of reporting contributes less than 1% of emissions and fuel consumption to the EU-28 total. It is thus considered a minor distortion of the overall trend.
Although the reporting requirements began in 2004, it is possible that the data for the first reported period (2004-2006) contain some gaps.
No uncertainty has been specified.
Work specified here requires to be completed within 1 year from now.
Work specified here will require more than 1 year (from now) to be completed.
For references, please go to https://www.eea.europa.eu/data-and-maps/indicators/emissions-of-air-pollutants-from or scan the QR code.
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