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Efficiency of conventional thermal electricity generation (ENER 019) - Assessment published Apr 2013
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The efficiency of electricity and heat production from conventional thermal power plants in EU-27countries improved between 1990 and 2010 by 5.8 percentage points (from 45.4% in 1990 to 51.2% in 2010). The non EU EEA countries (exl. Norway [1] ) show a similar trend with an improvement of 5.6 percentage points (from 45.2% in 1990 to 50.8% in 2010). Between 2005 and 2010, there was a decline in efficiency of electricity and heat production from conventional thermal power plants of 1.1 percentage points (from 52.3% in 2005 to 51.2% in 2010) in the EU-27 because of lower heat production similar to non-EU EEA countries where efficiency declined by 1.3% over the same period.
[1] Norway, displays efficiencies higher than 100% for thermal generation due to the extensive use of electric boilers for heat production. In the Eurostat statistics, the heat is included in the output, while the electricity input is not. For power plants the consumption of electricity is attributed to the energy sector while partly may be in fact used as input for heat. For these reasons, Norway was excluded from the calculations.
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Efficiency of conventional thermal electricity generation
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Efficiency of conventional thermal electricity generation (ENER 019) - Assessment published Apr 2012
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The efficiency of electricity and heat production from conventional thermal power plants improved between 1990 and 2009 by 5.5 percentage points (from 45.4% in 1990 to 50.9% in 2009). Between 1990 and 2005, the improvement was even greater at 7.0 percentage points (from 45.4% in 1990 to 52.4% in 2005). The improvement until 2005 was due to the closure of old inefficient plants, improvements in existing technologies, often combined with a switch from coal power plants to more efficient combined cycle gas-turbines. Between 2005 and 2009, there was a decline in efficiency of electricity and heat production from conventional thermal power plants of 1.5 percentage points (from 52.4% in 2005 to 50.9% in 2009) because of lower heat production.
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Efficiency of conventional thermal electricity generation
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Efficiency of conventional thermal electricity generation (ENER 019) - Assessment published Aug 2011
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The
efficiency of electricity and heat production from conventional thermal power
plants improved steadily from 43.5% in 1990 to 50.1% in 2005, but decreased to
49.8% in 2008 because of lower heat production. The improvement until 2005 was
due to the closure of old inefficient plants, improvements in existing
technologies, often combined with a switch from coal power plants to more
efficient combined cycle gas-turbines. The environmental benefits resulting
from the increase in efficiency of the conventional thermal electricity and
heat production (including biomass were offset by the rapid growth in
fossil-fuel based (oil, gas, coal & lignite) electricity production (38 % in
the period 1990-2008, see ENER009).
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Efficiency of conventional thermal electricity generation
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Efficiency (electricity and heat) from autoproducers conventional thermal plants, 1990, 2008
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For public thermal power plants the average efficiency increased in most countries over the period 1990-2008, resulting in a net efficiency of 49.8% in 2008 (48.2% excluding district heating). Due to inconsistencies in the Eurostat data set Bulgaria, Greece, Romania, Luxembourg and Lithuania are excluded for all years (efficiencies >100%). For Cyprus, Iceland and Malta data on autoproducers is not available, therefore they are also excluded for all years.
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Efficiency (electricity and heat) from public conventional thermal plants, 1990, 2008
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For public thermal power plants the average efficiency increased in most countries over the period 1990-2008, resulting in a net efficiency of 49.8% in 2008 (48.2% excluding district heating). The EEA efficiencies exclude Norway (for conventional), and Norway and Switzerland (for public conventional) - their efficiencies are above 100% in either 1990 or 2008 because the electricity consumed for heating is not considered as an input although the heating from electric boilers is considered in total output. Swedish conventional and public conventional efficiencies are above 100% in some years (when including district heating), but not in 1990 or in 2008, so Sweden is included in the charts.
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Efficiency (electricity and heat) production from conventional thermal plants, 1990, 2008
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The average energy efficiency of conventional thermal electricity and heat production in the EU-27 improved over the period 1990-2008 by 6.3% to reach 49.8 %in 2008 (48.5 % excluding district heating). The EEA efficiencies exclude Norway (for conventional), and Norway and Switzerland (for public conventional) - their efficiencies are above 100% in either 1990 or 2008 because the electricity consumed for heating is not considered as an input although the heating from electric boilers is considered in total output. Swedish conventional and public conventional efficiencies are above 100% in some years (when including district heating), but not in 1990 or in 2008, so Sweden is included in the charts.
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Efficiency of conventional thermal electricity and heat production
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The average energy efficiency of conventional thermal electricity and heat production in the EU-27 improved over the period 1990-2008 by 6.3% to reach 49.8 %in 2008 (48.5 % excluding district heating). Output from conventional thermal power 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.
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Efficiency of conventional thermal electricity generation (ENER 019) - Assessment published Sep 2010
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The
efficiency of electricity and heat production from conventional thermal power and
district heating plants improved steadily from 43.5% in 1990 to 49.0% in 2006,
but decreased to 48.3% in 2007 because of lower heat production. The improvement
until 2006 was due to the closure of old inefficient plants, improvements in
existing technologies, often combined with a switch from coal power plants to
more efficient combined cycle gas-turbines. The environmental benefits
resulting from the increase in efficiency of the conventional thermal
electricity and heat production (including biomass were offset by the rapid
growth in fossil-fuel based (oil, gas, coal & lignite) electricity
production (30.0% in the period 1990-2007).
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Efficiency of conventional thermal electricity generation
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EN19 Efficiency of conventional thermal electricity and heat production
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EN19 Efficiency of conventional thermal electricity production
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