Rosseti PJSC is a Russian electric utility company of whom the Russian Federation holds a controlling stake. Rosseti's core business is the transmission and distribution of electricity. With its many subsidiaries in different regions all throughout the country, the company is the operator of the vast majority Russia's energy grids. Rosseti derives almost all of its revenue from electricity transmission and distribution service charges. This income stream is primarily determined by changes in Russian electricity consumption and tariffs determined by the Russian government. The electricity markets of Moscow, the Central Federal District, and the Volga region constitute a sizable amount of the company's total revenue. Rosetti is one of the largest electric grid companies in the world.