scholarly journals GLOBAL TRENDS IN THE DEVELOPMENT OF ENERGY-SAVING TECHNOLOGIES

2020 ◽  
pp. 31-43
Author(s):  
S. Gushchin ◽  
A. Seminenko ◽  
Chao Shen
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Energy Saving ◽  
State Level ◽  
Hot Water ◽  
Energy Resources ◽  
Historical Background ◽  
Modern World ◽  
Improve Energy Efficiency ◽  
The World

The need to provide heat, hot water and electricity are the basic needs of society, and throughout the history of mankind, they form the greatest demand for energy resources. In the modern world, energy consumption by countries all over the world is constantly increasing; it’s creating new problems such as lack of energy resources, their rise in price, depletion of energy sources, environmental threats, and others. In connection with the problem of saving, rational and efficient use of energy resources and huge energy losses in the construction industry, this article considers world experience of application of energy-saving technologies and other measures to improve energy efficiency, analyzes the current situation in the field of energy saving in Russia. Prerequisites to the study of energy efficiency problems are considered, state of energy consumption and energy saving in China, USA, some EU countries and Russia is analyzed, the world experience of application ways of energy efficiency improving at the state level is considered. The problems and historical background that hinder the development of Russia in the field of energy saving are discussed. Specific proposals to improve energy efficiency in Russia have been put forward based on an analysis of international experience.

scholarly journals TECHNICAL MEASURES TO DECREASE HEAT ENERGY CONSUMPTION OF FINAL CUSTOMER IN MULTI-APARTMENT BUILDINGS ACCORDING TO ENERGY EFFICIENCY DIRECTIVE / TECHNINĖS PRIEMONĖS, SKIRTOS MAŽINTI GALUTINIO VARTOTOJO ŠILUMINĖS ENERGIJOS VARTOJIMĄ DAUGIABUČIUOSE GYVENAMU

2015 ◽  
Vol 7 (4) ◽  
pp. 461-467 ◽  
Author(s):  
Romanas Savickas ◽  
Lauryna Savickienė ◽  
Juozas Bielskus
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Heat Energy ◽  
Hot Water ◽  
Individual Member ◽  
Technical Solution ◽  
Improve Energy Efficiency ◽  
Individual Member State ◽  
Decrease Energy Consumption ◽  
Heat Metering

Energy consumption in the world increases, so the measures in order to improve energy efficiency must be found. The aim of 2012/27/EU Energy Efficiency Directive targets is to decrease energy consumption for a final energy consumer by 1.5% every year, but there is no definition how these targets could be achieved by an individual member state. This article presents the analysis how these targets could be achieved by the means of individual heat metering by heat cost allocators for every flat thus decreasing an energy consumption for a final consumer. Statistical analysis of identical buildings with individual metering by heat cost allocators and without them is presented. Heat cost allocators do not decrease energy consumption by themselves, so this article presents a technical solution and a set of additional equipment, i.e. thermostatic valves, balance valves, hot water meters and remote data collection system that must be installed. The final results show that the targets of 2012/27/EU Energy Efficiency Directive in Lithuania can be reached, because the buildings with individual heat cost allocators consume about 20–30% less of heat energy. Pasaulyje energijos vartojimas auga, todėl turi būti rastos energetinio efektyvumo pagerinimo priemonės. 2012/27/ES Energijos Efektyvumo Direktyvos tikslas yra sumažinti galutinio energijos vartotojo energijos suvartojimą kasmet po 1,5 %, tačiau nėra nurodyta, kaip kiekviena valstybė narė šiuos tikslus galėtų įgyvendinti. Šis straipsnis pristato analizę, kaip šie tikslai galėtų būti pasiekti, kiekviename bute įrengiant individualios šilumos apskaitos šilumos daliklius, kad sumažėtų energijos vartojimas atskiruose butuose. Pateikta statistinė identiškų pastatų su šilumos dalikliais ir be jų analizė. Šiluminei energijai taupyti neužtenka vien tik šilumos daliklių, todėl straipsnyje pateiktas techninis sprendimas – būtinų įdiegti techninių priemonių paketas, kurį sudaro tokios priemonės: termostatiniai ventiliai, balansiniai ventiliai, karšto vandens skaitikliai, belaidė reguliaraus duomenų nuskaitymo sistema. Galutiniai analizės rezultatai rodo, kad 2012/27/ES Energijos Efektyvumo Direktyvos tikslai Lietuvoje gali būti pasiekti, nes pastatai su individualia šilumos apskaita ir įrengtais šilumos dalikliais vartoja apie 20–30 % mažiau šiluminės energijos nei pastatai be tokios apskaitos.

Heat Pumps for Energy Saving of Building Hot Water Supply

2011 ◽  
Vol 347-353 ◽  
pp. 587-590
Author(s):  
Qing Hai Luo ◽  
Zheng Zuo
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Water Supply ◽  
Energy Saving ◽  
Heat Pump ◽  
Heat Pumps ◽  
Hot Water ◽  
Low Energy ◽  
Water Heaters ◽  
Hot Water Supply

This paper analyzes the energy consumption of hot water supply in buildings and the insurmountable shortcoming of low energy efficiency of conventional water heaters, and investigates the progress and problems of developing heat pump water heaters. It is pointed out that developing of heat pump water heaters is one of the efficient approaches to improve the energy efficiency of hot water supply.

scholarly journals Intelligent power management at waterworks (case of Water Supply Branch of State Unitary Enterprise St. Petersburg Vodokanal)

2020 ◽  
Vol 2020 (4) ◽  
pp. 7-14
Author(s):  
Valery Glebovich Larionov ◽  
Marina Gennad'evna Treyman
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Water Supply ◽  
Energy Saving ◽  
Electricity Consumption ◽  
Optimal Solution ◽  
The State ◽  
Energy Resources ◽  
Resource Saving ◽  
Software Products

The article gives the analysis of resource saving and energy efficiency of the enterprises of water supply and waste water services of the State Unitary Enterprise “St. Petersburg Vodokanal”. There has been evaluated the consumption of electrical energy by the enterprise. The main methods of energy resources management (creating a system of rational consumption and saving of energy resources, using energy-efficient materials, equipment and technologies, identifying the potential of energy-saving measures at operating facilities) have been determined. The priority directions for reducing the production energy intensity in the water supply processes have been defined. An algorithm is proposed that includes the processes of collecting, modeling, structuring information, as well as developing an optimal solution for an enterprise. A model for optimizing work in water supply processes is presented, software products are considered that allow to control the processes of energy saving and energy efficiency. The most promising software products for their introducing them into practice of the enterprise have been identified, including General Electric Intelligent Platforms CSense. A plan for the sequential implementation of the software product into operation at the enterprise is presented. The dynamics of electricity consumption at the enterprise, the structure of energy consumption are illustrated. It is noted that the most significant contribution to the amount of energy consumption is made by the technological processes of water intake and supply. It has been substantiated that the most energy-consuming process for the enterprise (Water Supply Branch of the State Unitary Enterprise St. Petersburg Vodokanal) is replacement or maintenance of pumping equipment. The components of energy conservation of the enterprise under study are the partial regulation and automation of processes.

scholarly journals ENERGY EFFICIENCY BENCHMARKING: MARKETING AND MANAGEMENT POSSIBILITIES OF USE IN INTERNATIONAL ENTREPRENEURSHIP

2021 ◽  
pp. 28-38
Author(s):  
Petro Pererva ◽  
Tetiana Kobielieva ◽  
Oleksandra Kosenko ◽  
Victoria Matrosova ◽  
Valerii Kobieliev
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Energy Saving ◽  
Production System ◽  
International Entrepreneurship ◽  
Energy Resources ◽  
Information Support ◽  
The European Union ◽  
Industrial Enterprises

The article substantiates the necessity and relevance of the introduction of progressive energy efficiency systems at industrial enterprises. It is shown that in Ukraine in 2020 only 43.1% of energy resources are used efficiently, according to the data of the energy efficiency rating. In 2019, this figure was higher - 54%. The analysis of the use of energy resources in industry, services, agriculture and the housing sector in Ukraine, as well as in the countries of the European Union. The issues of organizing energy efficiency benchmarking for industrial enterprises of Ukraine are considered. The main attention is paid to an integrated approach, which consists in creating a regulatory framework and organizing information support during benchmarking. The experience of the EU countries in solving the problem of technical regulation of energy efficiency benchmarking and the possibility of its use in international entrepreneurship is considered. Only the main stages of energy saving benchmarking are considered in detail, which include: selection of a benchmark, comparison and assessment, positioning of the research object and determination of leaders and outsiders, grouping benchmarking partners by energy efficiency level, identification of the gap, identification of the causes of inefficient energy consumption, determination of the scale and nature of the problem. The introduction of an energy efficiency benchmarking system on a regular basis as a control and planning subsystem as part of an energy management system will make it possible to track changes in the energy efficiency indicators of the production system and its structural objects, the level of energy efficiency over time, negative trends and causes of their occurrence, to assess the effectiveness of adaptation of the best principles of efficient energy consumption in own conditions and the effectiveness of the implementation of energy-saving measures, which will contribute to the continuous improvement of the production system and its facilities.

scholarly journals Analysis of consumption and ensuring energy resources of the Dnipropetrovsk Region

2020 ◽  
Vol 166 ◽  
pp. 04002
Author(s):  
Myroslav Syvyi ◽  
Natalia Panteleeva ◽  
Liudmyla Burman ◽  
Olga Kalinichenko ◽  
Mykhailo Provozhenko
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Characteristic Feature ◽  
Energy Saving ◽  
The State ◽  
Energy Resources ◽  
Distinctive Features ◽  
Power Intensity ◽  
Industrial Regions

The issue of energy-saving and energy efficiency is actual at the present-day development of Ukraine’s economy. The imperfective system of energy ensuring as the result of inefficient energy resources utilization is a characteristic feature of the state. The analysis of ensuring energy resources applied to Dnipropetrovsk Region as one of the leading industrial regions of the country is presented in the article. The availability of reserves and production of fuel resources was analyzed in it. Distinctive features of energy resources consumption with the aim of assessment general and partial indexes of energy ensuring and fuel power-intensity of the region’s economic complex are highlighted in the work. The tendencies and perspectives of energy consumption development of the Dnipropetrovsk Region were analyzed herewith.

scholarly journals Investment attractiveness of energy saving measures

2020 ◽  
Vol 220 ◽  
pp. 01010
Author(s):  
Arsen Tleppayev ◽  
Assel Azhibayeva
Keyword(s):  
Energy Efficiency ◽  
Energy Saving ◽  
Residential Buildings ◽  
Energy Resources ◽  
Operating Costs ◽  
Innovative Development ◽  
Improve Energy Efficiency ◽  
Renewable Energy Technologies ◽  
Energy Technologies ◽  
Efficiency Measures

The problem of energy efficiency of buildings is especially relevant in Kazakhstan. According to the state policy of innovative development of national economy, in recent decades, it has been necessary to solve the problems of saving energy resources, introducing renewable energy technologies and increasing energy efficiency. One of the most important issues of energy saving and energy efficiency is the problem of sustainable functioning and innovative development of housing and communal services in Kazakhstan, which is directly related to the modernization of residential buildings in order to reduce operating costs and improve energy efficiency. Analysis and study of economic approaches to financing energy efficiency measures are especially important in the framework of almost implemented projects for the modernization of housing and communal services.

scholarly journals ANALYSIS OF RESULTS OF MEASURES PERFORMED TO INCREASE ENERGY EFFICIENCY IN VASIL KARAGIOZOV HIGH SCHOOL OF YAMBOL, BULGARIA

2018 ◽  
Vol 6 (4) ◽  
pp. 306-310 ◽  
Author(s):  
Ivan Binev
Keyword(s):  
High School ◽  
Energy Efficiency ◽  
Energy Consumption ◽  
Energy Saving ◽  
Energy Use ◽  
Energy Savings ◽  
Climatic Conditions ◽  
Improve Energy Efficiency ◽  
Before And After ◽  
The Impact

The report analyzes the results of the implemented measures to improve energy efficiency in Vasil Karagiozov High school of Yambol, Bulgaria. Energy savings are determined by measuring and/or calculating energy consumption with previously adopted baseline levels, implementing a measure or program to improve energy efficiency by providing normalized corrections corresponding to the impact of specific climatic conditions on energy use. A reference heating energy consumption of 38.62 kWh/m2 was determined after the renovation of the building. Comparing the reference energy costs for heating before and after the implementation of the energy saving measures show a real decrease of the energy consumption for heating by 53.44%. Compared to the reference energy consumption for heating before and after the energy saving measures show an actual reduction of energy consumption for heating by 47.86%.

scholarly journals EVALUATION OF ENERGY EFFICIENCY OF MACHINE-BUILDING ENTERPRISES ON THE BASIS OF THE INTEGRATED INDICATOR

2021 ◽  
Author(s):  
Yevheniia Makazan ◽  
Oleksandr Veremeenko
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Energy Intensity ◽  
World Market ◽  
High Energy ◽  
Machine Building ◽  
Energy Resources ◽  
Resource Saving ◽  
The World ◽  
Building Enterprises

Summary. One of the main factors in ensuring the energy security of a manufacturing enterprise is to reduce the energy intensity of manufactured products. The world's leading countries have significantly reduced energy consumption in recent years. And domestic enterprises, today, remain one of the least energy efficient in the world. A significant part of energy resources is spent due to depreciation of fixed assets and obsolete equipment. Today, the economical and efficient use of energy is one of the main issues that need to be solved. After all, the lower the level of use of energy resources, the more efficient the production, and the more competitive the products on the world market. Therefore, in order to assess the level of energy efficiency, we have systematized economic indicators that characterize the use of energy resources in the enterprise. Based on them, the structure of an integrated indicator of the level of energy efficiency of a machine-building enterprise is proposed. The structure includes four groups, which in turn include from two to four indicators. The first group of indicators characterizes the energy efficiency of the enterprise, the second - innovative activities in the direction of energy efficiency, the third - investment activities, the fourth - the socio-environmental consequences of the introduction of resource-saving technologies. An algorithm for determining the level of energy efficiency of machine-building enterprises based on the principles of systems analysis, which is based on integrated assessment, is also proposed. The implementation of the proposed algorithm will determine the level of energy efficiency of the enterprise and identify possible ways to reduce energy consumption. The proposed algorithm was tested at four machine-building enterprises of the Zaporizhia region and the obtained results were substantiated. It is established that the level of energy efficiency of the studied machine-building enterprises is very low. Which indicates the irrational use of energy and, accordingly, the very high energy intensity of the products.

scholarly journals Measures to improve energy efficiency of building utility systems

2021 ◽  
Vol 48 (2) ◽  
pp. 73-80
Author(s):  
A. S. Gavrilov ◽  
A. E. Sergeev
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Systems Engineering ◽  
The State ◽  
Hot Water ◽  
Water Supply Systems ◽  
Technical Equipment ◽  
Building Energy Efficiency ◽  
Improve Energy Efficiency ◽  
Utility Systems

Objective. The goal of the study is to identify ways to improve energy efficiency by conducting a comprehensive analysis of engineering systems of a house, taking into account the existing model of energy supply and by monitoring the indicators of influence on the efficiency of engineering and technical equipment. Methods. The main method is based on a survey of the level of energy efficiency of heating and hot water supply systems. Results. The article discusses the concept of energy efficiency of a building, energy efficiency class, main utility systems of a residential building, indicators of influence on the state of systems, engineering component and ways to improve it. The article addresses issues related to a full analysis of existing systems in order to assess the implementation of necessary energy-saving measures, as well as their risks and benefits. The possibilities of controlling energy consumption and efficiency of works carried out due to the reconstruction of utility systems of the building have been determined. The results of the analysis of energy-efficient measures, and the feasibility of implementing each of them have been determined in order to identify optimal solutions. Conclusion. Increasing the energy efficiency of building utility systems is one of the priority tasks for creating comfortable living conditions. The energy efficiency class of building utility systems is established according to the state of a system, takes into account all quality indicators for energy consumption, and the energy certificate fully shows the level of energy efficiency.

scholarly journals Increase in energy efficiency of the residential building in Russia

2018 ◽  
Vol 193 ◽  
pp. 05005 ◽  
Author(s):  
Tatiana Meshcheryakova
Keyword(s):  
Energy Efficiency ◽  
Sustainable Development ◽  
Real Estate ◽  
Energy Saving ◽  
Future Generations ◽  
Nature Management ◽  
Modern World ◽  
Important Place ◽  
The World ◽  
The Government

In the modern world, great attention is paid to the problems of preserving a comfortable and safe environment for future generations. The notion of "sustainable development" in the world and national economy, which implies such a consistent development, in which the condition of satisfying the needs of present generations is met without sacrificing the opportunities of future generations, has become particularly relevant. This United Nations concept involves a balanced approach to the environment. Undoubtedly, the most important place in this concept is occupied by resources, including energy resources. Taking into account the world trend and orienting national interests, the Government of the Russian Federation fixes the priority directions for the development of science, technology and technology. Among these directions there are following: "Rational nature management", and also "Energy efficiency, energy saving, nuclear energy". The analysis of tools promoting the implementation of the state policy on energy saving, energy efficiency and environmentally sustainable development (regulatory framework, international and Russian standards) has been analyzed. Key problems of energy saving and energy efficiency of the real estate are formulated. Recommendations for increase in energy efficiency of the residential real estate are developed.

Sign in / Sign up

Export Citation Format

Share Document