Review of Models and Modeling Methods for Optimization Problems of Electricity Supplier Company Portfolio and Strategic Decision Support

The problem of making strategic decisions by the electricity supplier in significant uncertainty conditions caused by high volatility of prices on the wholesale market and fluctuations in the electricity consumption volume is determined. An overview was performed on the mathe-matical models and methods presented in the scientific literature, aimed at solving the prob-lems faced by individual market participants, taking into account their specific goals, regulato-ry and technological limitations. An analysis was conducted on the main methods and models used to optimize the activities of electricity suppliers in order to increase their profitability through the forming processes improvement and the procurement portfolio management, as well as making strategic decisions. Recommendations are offered for optimizing the activities of electricity suppliers aimed at increasing their profitability and efficiency of purchasing port-folio management.