The article analyzes the main factors and reasons for the decrease in the working capacity of the Leningrad power system before the outbreak of the Great Patriotic War. at the same time. it assesses the readiness of city services for the hardest military tests that befell the residents of the city. According to the authors of the publication. https://www.diegojavierfares.com/mega-choice-Aveline-Memory-Foam-Mattress-by-Modway-super-sale/