The idea of smart grid solution has been developing for years, as a complete solution for the power utility, consisting of different advanced technologies aimed at improving the efficiency of operation. The trend of using various smart systems (such as implementation of energy management systems, grid automation systems, advanced metering infrastructure, smart power equipment, distributed energy resources, demand response systems, etc.) continues to develop. In this respect, emerging technologies (energy storages, electrical vehicles or distributed generators) become integrated in distribution networks and systems. Nowadays, the idea of smart grid solution becomes more realistic owing to full integration of all advanced operation technologies (OT) within IT environment, providing the complete utility digitalization (IT/OT integration). The overview of smart grid solutions, estimation of investments, operation costs and possible benefits are presented in this article, with discusison about profitability of such systems.
IntroductionPower utilities apply various advanced technologies for control of different grid components, such as transmission, generation or distribution. This paper is focused on smart grid solutions applied in distribution utilities. Smart grid solution (SGS), considered as different advanced technologies aimed at improving the efficiency of operation, should significantly improve reliability, quality and efficiency of power delivery and reduce costs of power network operation. The challenge is quantification of benefits provided by SGS and comparison with related costs, to estimate the real profitability of such investments. Such research was conducted on numerous real cases [1-5] to evaluate benefits and costs of SGS applied in electricity distribution networks (EDN). The evaluation of SGS benefits and costs, as well as recent results are presented in this article.Nowadays, utilities have the following major expectations of SGS: Improve performance indices of the grid operation, as they are often regulated by regulators, Improve reliability indices of the operation, also often regulated by regulators, Improve customer services, as they directly affect market position in case of deregulated markets, where customers may choose the provider.