Abstract
The article deals with power stations working on the basis of non-renewable energy resources and finite resources which will inevitably come to depletion in the future. These installations produce considerable negative impact on the environment, including air pollution. It is noted that considerable amounts of emissions of harmful substances accounts for the share of small thermal installations which aren’t always considered in calculations of pollution. The author specifies that emission reduction of harmful substances should be achieved due to wider use of environmentally friendly renewable energy resources. It is recommended to use hierarchical structure with the priority of ecological and social conditions of the region for technical and economic viability of consumers’ power supply systems and installations, based on renewable energy resources use. At the same time the author suggests considering federal, regional and object levels of viability. It is recommended to consider the main stages of lifecycle of an object for object level: designing, construction, operation, reconstruction of an object and its preservation. The author shows the example of calculation of power plant efficiency, based on renewable energy resources during its reconstruction, followed by power generation increase.
Highlights
The majority of the types of energy used by mankind, derives from the Sun including fossil energy carriers as they represent the solar energy, chemically accumulated
Calculations are made on the basis of integrated effect method [3, 10, 11]
Dependences of the minimum charges of energy consumption – C, cents, efficiency of power of installation – КN, %, for different values of a discount rate (0, 4 and 8) % are given at the specific cost of capital investments into one kilowatt of extra power k=1000 dollars. These results demonstrate under what conditions and what minimum charge on energy consumption will prove reconstruction of an energy object on the basis of renewable energy resources to be economically reasonable. We believe that this method has considerable advantages, as it takes into account technoeconomic and environmental conditions in the area of a certain energy-specific object when analyzing the relevance of reconstruction to increase electric power generation
Summary
The majority of the types of energy used by mankind, derives from the Sun including fossil energy carriers as they represent the solar energy, chemically accumulated. All power sources can be divided into exhaustible and inexhaustible, or on non-renewable and renewable [1, 2]. Nowadays the main sources of power supply are fossil organic fuel sources. It is necessary to consider the following circumstances: Non-renewable power sources produce finite resources and will inevitably come to exhaustion in the future. According to the research of the international commissions, at the existing level of scientific and technical progress the energy consumption based on organic fuel will have been able to meet the demands only partially by 2020. Acute shortage of energy is possible, if we consider only organic power sources. In turn, can lead to growing animosity between the countries and to the conflicts
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