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Potentiel d'économies d'énergie par les services énergétiques - Application au cycle de vie des équipements de conversion de l'énergie

Maxime Dupont
Abstract : Energy efficiency services are growing in Europe but their role is still limited. In order to evaluate the potential, we focused first of all on policy, economical and environmental mechanisms that support their development. European natural gas and electricity markets, that are now almost wholly deregulated, are analysed and compared to their historical structure. By introducing uncertainty on energy prices, this new deal translates better the real energy costs. Energy performance contracts (EPC) limit the impact of these uncertainties on the customer energy bills by guaranteeing a financial result. As a result of the modelling of these contracts, namely operation and maintenance ones, we prove that they transfer technical and financial risks from building owners to energy service companies (ESCO) making energy saving measures easier and less expensive at the same time. These contracts are relatively widespread for heating or compressed-air processes but remain marginal for air-conditioning systems. So new methods were needed to guarantee on the long terms the efficiency of air-conditioning systems demand (1) to master the process and its performances and (2) to be able to determine precisely the energy saving potential and its realisation costs. A detailed energy audit is thus necessary for which we propose a guidance. Conclusions of audits carried out prove that energy saving potential is mainly located in equipment management and control. These optimisations are not always carried out because of a lack of contractual incentive and due to the weaknesses of audit methods. Through the involvement of an independent expert, the mandatory and regular inspection of air-conditioning systems may allow to verify and guide such practices. A three-step analysis procedure has been developed in order to maximise the inspection potential and to get higher benefits from service contracts.
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Submitted on : Wednesday, October 3, 2007 - 8:00:00 AM
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Maxime Dupont. Potentiel d'économies d'énergie par les services énergétiques - Application au cycle de vie des équipements de conversion de l'énergie. Engineering Sciences [physics]. École Nationale Supérieure des Mines de Paris, 2006. English. ⟨pastel-00002971⟩

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