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You are here: Home / Environmental policy document catalogue / COM(2011) 370 final Proposal for a directive of the European Parliament and of the Council on energy efficiency and repealing Directives

COM(2011) 370 final Proposal for a directive of the European Parliament and of the Council on energy efficiency and repealing Directives

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COM(2011) 370 final Proposal for a directive of the European Parliament and of the Council on energy efficiency and repealing Directives

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Progress on energy efficiency in Europe Progress on energy efficiency in Europe The ODEX index (Fig.1) measures the energy efficiency progress by main sector (industry, transport, households) and for the whole economy (all final consumers). For each sector, the index is calculated as a weighted average of sub-sectoral indices of energy efficiency progress; sub-sectors being industrial or service sector branches or end-uses for households or transport modes. The sub-sectoral indices are calculated from variations of unit energy consumption indicators, measured in physical units and selected so as to provide the best “proxy” of energy efficiency progress, from a policy evaluation viewpoint. The fact that indices are used enables to combine different units for a given sector, for instance for households kWh/appliance, koe/m2, tep/dwelling… The weight used to get the weighted aggregate is the share of each sub- sector in the total energy consumption of the sub –sectors considered in the calculation.  A value of  ODEX equal to 90 means a 10% energy efficiency gain. The variation of the specific consumption of space heating per dwelling linked to building standards is modelled as the change brought about by the introduction of new dwellings with a better insulation than the whole stock since a base year (e.g. 1990), assuming that the unit consumption of new dwellings is equal to the theoretical value implied by thermal regulations (Fig.2). This effect is calculated as follow: ∆UCnew t = (UCnew t * nbrlpn t + ∆UCnew t-1 * (nbrlpr t – nbrlpn t )) / nbrlpr t with:  ∆UCnew t=0 = ∆UCnew t=1990 = UC t=1990 nbrlpr t : stock of dwellings at year t nbrlpn t : the volume of construction at year t   UC t : unit consumption per dwelling for space heating at year t  
Final energy consumption intensity Final energy consumption intensity   Final energy consumption covers energy supplied to the final consumer for all energy uses. It is calculated as the sum of final energy consumption of all sectors. These are disaggregated to cover industry, transport, households, and services and agriculture. Total final energy intensity is defined as total final energy consumption (consumption of transformed energy such as electricity, publicly supplied heat, refined oil products, coke, etc, and the direct use of primary fuels such as gas or renewables, e.g. solar heat or biomass) divided by gross domestic product (GDP) at constant 2000 prices. The GDP figures are taken at constant prices to avoid the impact of inflation, base year 2000. Household energy intensity is defined as household final energy consumption divided by population. Transport energy intensity is defined as transport final energy consumption divided by GDP at constant 2000 prices. Industry energy intensity is defined as industry final energy consumption divided by industry Gross Value Added at constant 2000 prices. This excludes final energy consumption and gross value added from construction.  Services energy intensity is defined as services final energy consumption divided by services Gross Value Added at constant 2000 prices. Value added of services is the sum of 3 value added : G_H_I : Wholesale and retail trade, repair of motor vehicles, motorcycles and personal and household goods; hotels and restaurants; transport, storage and communication, J_K - Financial intermediation; real estate, renting and business activities and L_TO_P - Public administration and defence, compulsory social security; education; health and social work; other community, social and personal service activities; private households with employed persons
Progress on energy efficiency in Europe Progress on energy efficiency in Europe The ODEX index (Fig.1) measures the energy efficiency progress by main sector (industry, transport, households) and for the whole economy (all final consumers). For each sector, the index is calculated as a weighted average of sub-sectoral indices of energy efficiency progress; sub-sectors being industrial or service sector branches or end-uses for households or transport modes. The sub-sectoral indices are calculated from variations of unit energy consumption indicators, measured in physical units and selected so as to provide the best “proxy” of energy efficiency progress, from a policy evaluation viewpoint. The fact that indices are used enables to combine different units for a given sector, for instance for households kWh/appliance, koe/m2, tep/dwelling… The weight used to get the weighted aggregate is the share of each sub- sector in the total energy consumption of the sub –sectors considered in the calculation.  A value of  ODEX equal to 90 means a 10% energy efficiency gain. The variation of the specific consumption of space heating per dwelling linked to building standards is modelled as the change brought about by the introduction of new dwellings with a better insulation than the whole stock since a base year (e.g. 1990), assuming that the unit consumption of new dwellings is equal to the theoretical value implied by thermal regulations (Fig.2). This effect is calculated as follow: ∆UCnew t = (UCnew t * nbrlpn t + ∆UCnew t-1 * (nbrlpr t – nbrlpn t )) / nbrlpr t with:  ∆UCnew t=0 = ∆UCnew t=1990 = UC t=1990 nbrlpr t : stock of dwellings at year t nbrlpn t : the volume of construction at year t   UC t : unit consumption per dwelling for space heating at year t  

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