Energy efficiency
Lukáš Lehotský
Masaryk University, Brno
What is energy efficiency?
Why energy efficiency?
Source: IEA Capturing multiple benefits of EE
EE has impacts on multiple levels
Source: IEA Capturing multiple benefits of EE
Energy efficiency
Energy savings
Rebound effect/Jevons paradox
EE/ES vs. Environmental policies
How to assess impact of EE/ES
policies?
60
70
80
90
100
110
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
%of1990
Energy of households for
space heating
Source: European Environment Agency
60
70
80
90
100
110
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
%of1990
Energy of households for
space heating
Energy consumption for
space heating per sqm
Floor area
Source: European Environment Agency
Energy intensity
Energy intensity 2015 – unadjusted
Source: Author, Eurostat data indicator tsdec360
Final energy intensity 2015 – adjusted
Source: Author, ODYSSEE-MURE data
Energy intensity 2015 – unadjusted
Source: Author, Eurostat data indicator tsdec360
Final energy intensity 2012 - adjusted
Source: Author, ODYSSEE-MURE data
60
65
70
75
80
85
90
95
100
105
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
%of1990
Households
Industry
Transport
Services (fuel only)
ODEX total
Source: European Environment Agency
Source: IEA Energy Efficiency Indicators: Essentials for Policy Making
Disaggregation
Source: IEA World Energy Outlook 2017
Policy measures
What are technical/investment
measures?
Financial instruments
Energy obligation schemes
(White certificates)
Energy services
Energy services - logic
0
20
40
60
80
100
120
Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Year 8
Taxes
Regulations
Other instruments