Multiple benefits of renovation in buildings - PU Europe
Multiple benefits of renovation in buildings - PU Europe
Multiple benefits of renovation in buildings - PU Europe
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>Multiple</strong> <strong>benefits</strong> <strong>of</strong> <strong>in</strong>vest<strong>in</strong>g <strong>in</strong> energy<br />
efficient <strong>renovation</strong> <strong>of</strong> build<strong>in</strong>gs<br />
A.3 Identify<strong>in</strong>g and characteris<strong>in</strong>g the energy efficiency<br />
potential<br />
The potential for energy efficiency <strong>in</strong>vestments <strong>in</strong> <strong>Europe</strong> has been def<strong>in</strong>ed <strong>in</strong> an extensive<br />
study for DG Energy and Transport <strong>in</strong> 2009 by Fraunh<strong>of</strong>er et al (2009). The central<br />
part <strong>of</strong> the identification <strong>of</strong> energy sav<strong>in</strong>g potentials is the bottom-up MURE simulation<br />
tool. 55 This tool <strong>in</strong>cludes a rich technological structure for the demand sectors. The project<br />
ref<strong>in</strong>ed the MURE model with further details. The MURE database can be found here:<br />
www.mure2.com. Identification <strong>of</strong> the concrete potential for energy efficient <strong>renovation</strong>s<br />
<strong>of</strong> build<strong>in</strong>gs <strong>in</strong> <strong>Europe</strong> is based on a country-specific evaluation. This evaluation takes<br />
<strong>in</strong>to account the specific build<strong>in</strong>g stock <strong>in</strong> all EU Member States <strong>in</strong>clud<strong>in</strong>g its age, the<br />
energetic standard <strong>of</strong> the build<strong>in</strong>gs (U-values), the different climatic zones <strong>in</strong>clud<strong>in</strong>g the<br />
amount <strong>of</strong> heat<strong>in</strong>g degree days, and the energy demand <strong>in</strong> the different countries. This<br />
allow the authors to calculate energy consumption per square meter for different build<strong>in</strong>g<br />
types <strong>in</strong> specific countries. Country specific <strong>in</strong>formation on material cost, labour costs,<br />
and very detailed cost structure for different types <strong>of</strong> refurbishment is also taken <strong>in</strong>to<br />
account, <strong>in</strong>clud<strong>in</strong>g learn<strong>in</strong>g curves for different technologies and the implied cost reductions<br />
over time.<br />
The energy sav<strong>in</strong>g potential is derived for several different <strong>renovation</strong> measures, and for<br />
both the residential, commercial and <strong>in</strong>dustry sector. The energy sav<strong>in</strong>g potential is available<br />
both for the exist<strong>in</strong>g build<strong>in</strong>g stock and for new build<strong>in</strong>gs. We focus only on the exist<strong>in</strong>g<br />
build<strong>in</strong>g stock. With respect to the different measures, we have focused on the follow<strong>in</strong>g,<br />
which are related to <strong>renovation</strong> <strong>of</strong> exist<strong>in</strong>g build<strong>in</strong>gs: 56<br />
<br />
<br />
<br />
<br />
<br />
Heat<strong>in</strong>g improvements from heat<strong>in</strong>g systems (heat<strong>in</strong>g pumps etc.)<br />
Heat<strong>in</strong>g improvements from refurbishment <strong>of</strong> exist<strong>in</strong>g build<strong>in</strong>gs (<strong>in</strong>sulation, w<strong>in</strong>dow<br />
improvements, better ventilation and air condition<strong>in</strong>g etc.)<br />
Water heat<strong>in</strong>g<br />
Appliances <strong>in</strong> the service sector (only air condition<strong>in</strong>g and ventilation)<br />
Light<strong>in</strong>g systems<br />
Accord<strong>in</strong>g to the database on energy sav<strong>in</strong>g potentials, the accumulated energy sav<strong>in</strong>g<br />
potential <strong>in</strong> 2020 (a basel<strong>in</strong>e has been deducted) <strong>in</strong> the low EE scenario <strong>in</strong> the mentioned<br />
categories is 65 Mtoe, while <strong>in</strong>vest<strong>in</strong>g <strong>in</strong> all technically feasible energy sav<strong>in</strong>gs (the high<br />
EE scenario) will generate 95 Mtoe <strong>in</strong> energy sav<strong>in</strong>gs, cf. Table A.2. This corresponds to 5<br />
and 8 per cent <strong>of</strong> EU f<strong>in</strong>al energy demand respectively. 57 The largest source <strong>of</strong> energy sav<strong>in</strong>gs<br />
comes from <strong>renovation</strong>s that improve heat<strong>in</strong>g systems and <strong>in</strong>sulation <strong>in</strong> households,<br />
followed by heat<strong>in</strong>g and <strong>in</strong>sulation <strong>in</strong> the service sector, and <strong>in</strong> the <strong>in</strong>dustry.<br />
55 Mesures d’Utilisation Rationelle de l’Énergi<br />
56 We have not looked at e.g. household appliances such as wash<strong>in</strong>g mach<strong>in</strong>es etc., efficiency potential <strong>in</strong> construction new<br />
build<strong>in</strong>gs, improv<strong>in</strong>g the efficiency <strong>of</strong> <strong>in</strong>dustrial processes, or efficiency <strong>in</strong> the transport sector.<br />
57 Based on DG Energy (2010)<br />
49