This article demonstrates the need to optimize the use of electricity by computer devices in accordance with the concept of ESG and to analyze methods of reducing energy consumption. To achieve the goal in the article, extensive literature studies on selected topics were carried out and quantitative data were used to analyze the technical values of modern data centers. These elements are essential in today’s knowledge-based economy, where the Internet of Things and smart cities are current topics. The present article discusses the most popular techniques for reducing energy consumption in electronic systems and by software using the example of data centers, which is of fundamental importance for this type of organization and translates into the costs of the services provided. Addressing energy cost optimization affects the future of the global economy, which will be impacted by smart cities. The added value in this paper is the provided review of the methods for measuring and optimizing energy use in a knowledge-based economy, where the energy industry is the foundation of operation. Additionally, the research analysis conducted in the article is a starting point for solutions in the current economy, where smart cities and the Internet of Things are prevalent global research topics.
Miciuła et al. (Wed,) studied this question.