COM(2007) 18 final

Policy Document
Directive on GHG emissions of fuels and biofuels; COM(2007) 18 final/2

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Overview of the European energy system Energy efficiency of conventional thermal electricity production Output from conventional thermal power stations consists of gross electricity generation and any heat sold to third parties (combined heat and power plants) by both conventional thermal public utility power stations and autoproducer thermal power stations. The energy efficiency of conventional thermal electricity production (which includes both public plants and autoproducers) is defined as the ratio of electricity and heat production to the energy input as fuel. Fuels include solid fuels (i.e. coal, lignite and equivalents, oil and other liquid hydrocarbons, gas, thermal renewables, industrial and municipal waste, wood waste, biogas and geothermal energy) and other non-renewable waste. Energy losses in transformation and distribution Numerator: The amount of energy loss is the sum of the the energy industry's own consumption, with distribution and transformation losses (the difference between transformation input and output).  Denominator: Numerator plus final energy available for final consumption in primary energy. EU-28 share of primary energy by fuel type and share of final energy consumption by sector Total energy consumption or gross inland energy consumption represents the quantity of energy necessary to satisfy the inland consumption of a country. It is calculated as the sum of the gross inland consumption of energy from solid fuels, oil, gas, nuclear and renewable sources, and a small component of ‘other’ sources (industrial waste and net imports of electricity). The relative contribution of a specific fuel is measured by the ratio between the energy consumption originating from that specific fuel and the total gross inland energy consumption calculated for a calendar year.
Overview of the European energy system Gross inland consumption is calculated as follows: primary production + recovered products + total imports + variations of stocks - total exports - bunkers. It corresponds to the addition of final consumption, distribution losses, transformation losses and statistical differences.
Primary energy consumption by fuel Primary energy consumption is defined as gross inland energy consumption minus the energy consumed for purposes other then producing useful energy (non-energy use). Gross inland energy consumption represents the quantity of energy necessary to satisfy the inland consumption of a country. It is calculated as the sum of the gross inland consumption of energy from solid fuels, oil, gas, nuclear and renewable sources, and a small component of ‘other’ sources (industrial waste and net imports of electricity). The relative contribution of a specific fuel is measured by the ratio between the energy consumption originating from that specific fuel and the total primary energy consumption calculated for a calendar year.
Renewable energy in gross inland energy consumption The share of renewable energy in gross inland consumption is the ratio between gross inland energy consumption from renewable sources and total gross inland energy consumption calculated for a calendar year, expressed as a percentage. Both renewable energy and gross inland energy consumption are measured in thousand tonnes of oil equivalent (ktoe). Renewable energy sources are defined as renewable non-fossil sources: wind, solar, geothermal, wave, tidal, hydropower, biomass, landfill gas, sewage treatment plant gas and biogases.
Renewable energy in gross inland energy consumption The share of renewable energy consumption is the ratio between gross inland energy consumption from renewable sources (TOE) and total gross inland energy consumption (TOE) calculated for a calendar year, expressed as a percentage. Both renewable energy and total energy consumption are measured in thousand tonnes of oil equivalent (ktoe). Renewable energy sources are defined as renewable non-fossil sources: wind, solar, geothermal, wave, tidal, hydropower, biomass, landfill gas, sewage treatment plant gas and biogases.
Overview of the European energy system Energy flows in European Union The Sankey diagram (Fig.1) shows the energy conversion from primary energy (coal, oil, natural gas, etc) to secondary energy commodities such as heat, electricity and manufactured fuels, through transformation plants (power stations, district heating, CHPs, oil refineries and other transformation plants) and the associated conversion losses. The right hand side of the diagram shows the final mix of energy consumption by different EU27 energy users (including: industry, transport, domestic, other final consumers and non-energy use). Note that renewables in transport for ENER 36 include all biofuels whether sustainable or not. Only a proportion of the primary energy entering the energy system of a country flows through to the end user for consumption.  There are various diversions and losses incurred before energy reaches the final consumer due to distribution losses and use in the energy sector. The Sankey diagram is useful in capturing the situation in a certain year but other indicators are needed to show the change in energy use over time. Energy efficiency of conventional thermal electricity and heat production Output from conventional thermal stations consists of gross electricity generation and also of any heat sold to third parties (combined heat and power plants) by conventional thermal public utility power stations as well as autoproducer thermal power stations. The energy efficiency of conventional thermal electricity production (which includes both public plants and autoproducers) is defined as the ratio of electricity and heat production to the energy input as a fuel. Fuels include solid fuels (i.e. coal, lignite and equivalents, oil and other liquid hydrocarbons, gas, thermal renewables (industrial and municipal waste, wood waste, biogas and geothermal energy) and other non-renewable waste. Units: Fuel input and electrical and heat output are measured in thousand tonnes of oil equivalent (ktoe). Efficiency is measured as the ratio of fuel output to input (%) Energy losses in transformation and distribution Numerator: Share of energy losses is the sum of own consumption of the energy industry, distribution losses and transformation losses (difference between transformation input and output). Denominator: Numerator plus final energy available for final consumption in primary energy. EU-27 Share of primary energy by fuel type and, share of final energy consumption by sector Total energy consumption or gross inland energy consumption represents the quantity of energy necessary to satisfy the inland consumption of a country. It is calculated as the sum of the gross inland consumption of energy from solid fuels, oil, gas, nuclear and renewable sources, and a small component of ‘other’ sources (industrial waste and net imports of electricity). The relative contribution of a specific fuel is measured by the ratio between the energy consumption originating from that specific fuel and the total gross inland energy consumption calculated for a calendar year (Fig.2). Units: Energy consumption is measured in thousand tonnes of oil equivalent (ktoe). The share of each fuel in total energy consumption is presented in the form of a percentage. EU27 net energy imports of solid fuels, oil, and gas from outside the EU27 was calculated as follows: total imports by fuel minus the sum of imports by fuel from other EU Member States minus total exports (Fig.1)
Total Gross Inland Consumption by Fuel The structure of the energy mix in gross inland energy consumption provides an indication of the environmental pressures associated with energy consumption. The type and magnitude of the environmental impacts associated with energy consumption, such as resource depletion, greenhouse gas emissions, air pollutant emissions, water pollution, accumulation of radioactive waste, etc., strongly depend on the type and amount of fuel consumed as well as abatement technologies applied.
Renewable primary energy consumption The share of renewable energy consumption is the ratio between gross inland energy consumption from renewable sources (TOE) and total gross inland energy consumption (TOE) calculated for a calendar year, expressed as a percentage. Both renewable energy and total energy consumption are measured in thousand tonnes of oil equivalent (ktoe). Renewable energy sources are defined as renewable non-fossil sources: wind, solar, geothermal, wave, tidal, hydropower, biomass, landfill gas, sewage treatment plant gas and biogases. Projections are for 2020-2030 from the POLES (IPTS) Baseline and GHG Reduction Scenario (Mitigation), from PRIMES 2009 Baseline and Reference scenarios and from the WEO 2009 (IEA) Reference and 450 Scenario
Primary energy consumption by fuel Total energy consumption or gross inland energy consumption represents the quantity of energy necessary to satisfy the inland consumption of a country. It is calculated as the sum of the gross inland consumption of energy from solid fuels, oil, gas, nuclear and renewable sources, and a small component of ‘other’ sources (industrial waste and net imports of electricity). The relative contribution of a specific fuel is measured by the ratio between the energy consumption originating from that specific fuel and the total gross inland energy consumption calculated for a calendar year.

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