Abstract:
The development of the Arctic and other hard-to-reach territories is a strategic objective of
the Russian Federation, ensuring national security and socio-economic development of the country.
Sustainable operation of facilities located in hard-to-reach territories directly depends on the reliability and
efficiency of their energy infrastructure. The relevance of the study is due to the growing number of
autonomous facilities (weather stations, mining bases, telecommunication towers) in hard-to-reach regions
of the Russian Federation (Arctic, Far East, Siberia), where connection to the unified energy system is
technically impossible or economically impractical. Power supply of such facilities is associated with
extreme climatic conditions, logistical difficulties and high reliability requirements.
Aim. The purpose of the study is to develop a methodology for optimizing the composition of a hybrid
energy system for autonomous facilities in hard-to-reach regions based on multi-criteria analysis, ensuring
the minimization of energy costs under specified requirements for the reliability of power supply and
environmental indicators.
Methods. Methods of system analysis and mathematical modeling are used for a comprehensive
assessment of the efficiency of hybrid energy systems (complexes) combining renewable energy sources
with traditional diesel generators and energy storage systems.
Results. The study developed a multi-criteria optimization model that allows determining the
rational structure and parameters of hybrid energy systems according to the criteria of minimum life
cycle cost, maximum reliability and minimum emissions. The conducted simulation modeling of the
system operation under a random set of meteorological parameters and load confirmed the possibility
of reducing diesel fuel consumption by 40–60% and CO$_2$ emissions by 35–55% while maintaining a
high level of energy supply reliability.
Conclusions. The results of the work can be used to design and modernize energy supply systems for
autonomous facilities operating in the harsh conditions of the Russian Arctic.
Keywords:autonomous power supply, hybrid energy system, renewable energy sources, system
analysis, optimization, hard-to-reach areas, energy storage, arctic conditions
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