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The Life Cycle Analysis (LCA) method, is the one that allows us to evaluate the environmental loads associated with a product, process or activity, that is why this article refers to the life cycle of projects of distributed energy systems Consumption of energy and GHG emission, in which the product or activity is a beer box Auxiliary beer power supply in China.

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In the activities that occur daily, the environmental impacts consume resources, emit substances into the environment and therefore generate environmental modifications; Therefore, the life cycle analysis within the methodological framework must be estimated and evaluated, observing and studying the environmental impacts applicable to a product or service during all stages of its life.
Therefore assess the impacts that influence climate change, the reduction of the ozone layer, eutrophication, acidification, forest fires among many more; makes the life cycle analysis a methodology in which the basic principle of the tool is the identification and description of all stages of the life cycle of products, from the extraction and retreatment of raw materials, production, the distribution, use and use of the final product until its possible reuse, recycling or disposal of the product
There are four phases in a LCA study
1. THE PHASE OF DEFINITION OF THE OBJECTIVE AND SCOPE
2. THE INVENTORY ANALYSIS PHASE
3. THE EVALUATION PHASE OF ENVIRONMENTAL IMPACT
4. THE INTERPRETATION PHASE

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Over the years, the development and implementation of new projects have helped to develop fast-track projects, as it is in the case of the project in China that refers to the life cycle of the distributed energy system Energy consumption and emission of GHG, the problem present in China is due to overpopulation, since it makes it have a higher energy consumption due to population demand, with 60% of the energy consumed from coal, which causes a air pollution due to the emissions that occur. As time progresses, the problem that arises in China becomes more noticeable, which is why we searched for alternatives in order to improve the service of both the energy produced and the current problem of air pollution, the alternative implemented is a project based in a distributed energy system Energy consumption and GHG emission, the life cycle analysis being one of the main currents for the evaluation of methods according to Strachan N et al, since they investigate the emission differences in the Energy system Distributed and traditional energy system, which provides information on sensitivity factors related to power and heat, related to different scenarios in terms of grid electricity and energy storage, and scenarios of different fuel prices in which they implement The ACL Method to assess the influence on the environment. The policy present in China is a policy that is interested in the good of the population, as it strives to promote the projects of the Distributed Energy System, making the projects dynamic and rapidly changing.

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The life cycle analysis will become a mainstream of evaluation methods Strachan N et al. Investigate the difference in emission between the Distributed Energy System and the traditional energy system, providing information on sensitivity factors such as HPR (heat ratio) and discussing various specific aspects. The authors emphasize that the coefficients may vary over time and the value of the different projects are subject to the demand and location of the users, which shows that case studies are important in this research flow. Romero et al. Investigate 5 cases (distributed energy systems in green buildings) in Spain and evaluate their performance. The research eliminates the scenarios of red electricity sales and energy storage, but includes scenarios of different fuel prices, using the LCA method to assess the influence on the environment. Research built on a framework of location, demand for electricity and climate / solar condition, contributing to the literature in the aspect of the seasonality of the operation of the Energy Distribution System. Wheeley et al. it uses the calculation of the VPN to evaluate the performance of the projects of cogeneration of calories and electricity, with scenarios of sale of residual fuel.

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To understand the study according to the growth of distributed energy system projects in China, you can see the distributed energy system is still in a stage where it presides over the study of renewable energy innovation. The space between current projects and Best practices make the evaluation of the Distributed Energy System projects important. Study through which, in the case of the auxiliary energy supply of the brewery in Sichuan, China uses the agreement with a methodology for evaluating the project of the Distributed Energy System in which three main aspects are involved
1) The specific configuration of the Distributed Energy System project influences the economic characteristic of the technology used by the project.
2) the case studies specified more specific and realistic data to provide information on such projects
3) Specific settings in case studies help researchers use more personalized assumptions to examine more factors.
Therefore, and in conclusion, the Energy and Environmental properties of China, is The First Project of Distributed Energy System that provides electricity to the grid in China, of
The research is based on the analysis of the life cycle (LCA) based on an output (electricity, heat and cooling) that remains constant, analyzing the input required by different technologies and comparing the life cycle in energy consumption and emissions of GHG. By comparing the results of these cases and doing a sensitivity analysis, we can provide political guidance that will sensitize and face challenges in future specific renewable energy projects.

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The research method carried out by the project was through 5 cases with different energy pathways to compare their energy consumption and emission performance. The results thrown.

As can be seen in the graph, the Gas-based Distributed Energy System project has a desirable performance in environmental value. Compared to the traditional, gas-based project, given that the Distributed Energy System project seems to use 7% more energy as input, but in a view of the Life Cycle, which means that it reduces energy consumption and GHG emissions by 8% and 38% respectively, The Distributed Energy System project has a positive but limited effect on energy savings and emission reductions.
They have proposed several alternatives to provide a better service producing energy that reduces greenhouse gas emissions, one of which they propose is a distributed energy system, according to studies, would save 8% of energy and reduce emissions by 38%, renewable energy would be implemented, the performance of solar energy is not the best but it would be possible to improve it using biomass derived from beer production, among others wind energy is also implemented, Although the project is making great progress in its research More research should be done to provide useful information for decision making and to help improve the problem that arises.

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It is a project that is based on the problem that arises in China, according to the analysis of the life cycle of energy consumption, it has been increasing due to the great demand or population growth, the great part of energy almost 60% It is produced from coal, they are traditional energies that cause very polluting emissions to the atmosphere. Over time and with the problems that have been identified, they have proposed several alternatives to provide a better service producing energy that reduces greenhouse gas emissions, one of the alternatives of which they propose is a distributed energy system , according to the studies carried out, it would save 8% of energy and reduce emissions by 38%, renewable energy would be implemented, solar energy performance is not the best but it would be possible to improve it using biomass derived from beer production, among others also Wind energy is implemented, although the project is making great progress in its research, more research should be carried out to provide useful information for decision making and to help improve the problem that is being presented.

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El ACV es la base del diseño ecológico, el etiquetado ecológico y las declaraciones de productos ambientales.

En relación con el marco normativo del análisis del ciclo de vida, las principales normas internacionales de aplicación son:

UNE-EN ISO 14040. Gestión medioambiental. Análisis del ciclo de vida. Principios y marco de referencia. Diciembre 2006
UNE-EN ISO 14044. Gestión ambiental. Análisis del ciclo de vida. Requisitos y pautas. Diciembre de 2006. ISO 14044 reemplazó a ISO 14041, 14042 y 14043.