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Energy efficiency and energy saving in the German water industry

机译：德国水行业的能源效率和节能

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From July 2007 to August 2010, the first German project about energy efficiency in water supply was carried out. The project results are summarised in a guidance report entitled ‘DVGW-Information Wasser Nr. 77’. The DVGW Research Centre worked on assessing the energy saving potentials and a reduction in energy demand for German water supply systems. It is assumed that the energy-saving potential for German water utilities is in the region of 20%. Two main sections were identified as relevant for an investigation of energy efficiency in a water utility. First and foremost, a comprehensive and structured energy balance must be formulated. Based on this information, the energy saving potentials can then be assessed. In the above-mentioned guidance report additional energy saving potentials for all sections of the water supply industry were summarised. An energy balance for water supply must be related to different sectors and levels to guarantee a detailed energy efficiency evaluation. This in turn allows for a structured assessment of the energy saving potentials. In the majority of cases, specific investigations with detailed data capture are necessary. Based on these, an evaluation of applicable measures needs to be undertaken before the measures can be implemented and their success documented. The guidance report ‘DVGW-Information Wasser Nr. 77’ is a manual for these investigations and also includes tools for an energy efficiency analysis in water utilities.
机译：从2007年7月到2010年8月，德国开展了第一个有关供水能源效率的项目。该项目的结果总结在一份名为“ DVGW-Information Wasser Nr。”的指导报告中。 77’。 DVGW研究中心致力于评估德国供水系统的节能潜力和能源需求的减少。假设德国自来水公司的节能潜力约为20％。确定了两个主要部分与水务公司的能源效率研究相关。首先，必须制定全面和结构化的能源平衡。基于此信息，然后可以评估节能潜力。在上述指导报告中，总结了供水行业所有部门的额外节能潜力。供水的能量平衡必须与不同的部门和级别相关，以确保进行详细的能效评估。这进而允许对节能潜力进行结构化评估。在大多数情况下，需要进行详细的数据捕获并进行具体的调查。基于这些，在实施措施并记录其成功之前，需要对适用措施进行评估。指导报告“ DVGW-Information Wasser Nr。 77'是这些调查的手册，还包括用于水务公司进行能效分析的工具。

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