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2. What is grey energy?
Some objects, such as a refrigerator or a car, consume energy when they are used: electricity for a refrigerator, gasoline or diesel for a car with an internal combustion engine. For the user, this is the energy needed to use the object throughout its life: this is operational energy. It is also sometimes referred to as direct energy.
Grey energy doesn't just concern objects. It also concerns products, especially foodstuffs, services and even the production of energy itself, since energy was required to manufacture the devices needed to produce it.
The manufacture of the object, its maintenance and end-of-life management also require a quantity of energy that is rarely taken into account, as it is the responsibility of external economic agents such as the manufacturer,...
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What is grey energy?
Renewable and non-renewable grey energy
Bibliography
- (1) - POUROUCHOTTAMIN (C.L.E.M.P.) - Nouvelles représentations des consommations d'énergie. - Les cahiers du CLIP, n° 22 (2013).
- (2) - - http://labo-energetic.eu/fr/a_telecharger/Concept_energie_grise.pdf...
Websites
French Environment and Energy Management Agency http://www.ademe.fr
International Energy Agency http://www.iea.org
Areva http://www.areva.com
BP statistical review...
Further information
In the BE "Génie énergétique" bases of Techniques de l'ingénieur.
Events
European Conference on Sustainable Renovation of Buildings http://www.eurima.org
Software tools
Gabi software developed in Germany http://www.gabi-software.com
Simapro software http://www.evea-conseil.com
initially developed in the Netherlands by Pré Consultant http://www.pre.nl
...Standards and norms
- Environmental management – Lifecycle analysis – Principles and framework - NF EN ISO 14040 - 10-06
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