Abstract
Organizations, institutions, and different sectors of manufacturing, services and agriculture are constantly making decisions. Each of the aforementioned sectors, have strategies, tactics, and various functions that play a basic role in reaching the objectives. On the other hand, energy demand in developing countries is increasing day by day. The exact calculation of the cost per unit of electricity generated by power plants is not easy. Therefore, this study according to four sources of natural gas, nuclear energy, renewable energy and other fossil fuels other than natural gas that are used in a variety of electricity production plants is trying to clarify the ranking of generation electricity approach using "fuzzy preference relations" analysis. Accordingly, three models were used and the results showed that natural gas, with regard to the four criteria of low investment cost, low power, lack of pollution and the safety and reliability of electrical energy has priority over other alternatives. Full preferred model results also suggested that the energy of natural gas, renewable energies, nuclear and other fossil fuels should be considered in a priority for power generation. Sensitivity analysis results moreover demonstrated that the above models are not affected by the threshold values and the full stability of the models is observed.
Highlights
Energy has an infrastructural role at the industrial economy life of communities
Coincided with the development of modern technologies for extracting energy, we should invest in efficient energy consumption methods (Khaksar Astaneh, 2012).In developing countries; energy demand is increasing day by day
The increasing demand for electrical energy is associated with a higher rate
Summary
Energy has an infrastructural role at the industrial economy life of communities. That is, if enough energy is available at the right time, economic development would be possible.On the other hand looking at the previous problems shows that a major competition has existed at the worldwide campaign to seize power. Because the national security and the stability of governing systems largely depend on access to these resources, Iran is among the world’s richest countries in terms of possessing resources and energy reservoirs. These resources are offered with cheaper prices and more than other countries. Since the normal life of man is not possible without the use of energy resources. The increasing demand for electrical energy is associated with a higher rate. The latter could be due to a variety of applications, high performance and ease of use. For power plants with natural gas or coal, one-third of the total executive cost is used
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