Russia Vladimir Putin to discuss massive Russian investments & sanction exemptions, just over a week prior to the 2022 Russian invasion of Ukraine. Production and service capacities Enel produces electricity from a number of energy sources including geothermal, wind power, solar power, hydroelectric power, thermal, and nuclear power. In 2021, Enel generated a total of 232 TWh of electricity, distributed 510.3 TWh, and sold 309.4 TWh. Enel is also engaged in research and development activities for the production and transmission of electricity. These include: the design and implementation of "hybrid plants" that combine the use of different sources and technologies for energy storage, in order to increase the efficiency of plants. the development of smart grids that increase efficiency and sustainability in the distribution of electricity, with the support of the European Community. Corporate organisation Enel is headquartered in Rome and has been listed on the Milan stock exchange since 1999. Enel and its subsidiaries produce and distribute electricity and gas in 31 countries around Europe, North America, South America, Asia, and Africa. The company employs around 67,000 people, has more than 69 million customers worldwide (63.4 million in the electricity market, and 6.0 million in the gas market) and a net installed generating capacity of 90 GW. Enel is the largest energy company in Europe by number of customers and the second by capacity, after EdF. The Enel Group is organised in 5 business lines: Enel Green Power and Thermal Generation: electricity generation. Global Infrastructure and Networks: transport infrastructure and energy distribution. Global Energy and Commodity Management: provides Enel Group companies, as well as third parties, both with goods to be used in power plants and with optimisation services for energy production and distribution. Enel X Global Retail: provides value-added services. Enel X Way: created to facilitate the transition to electricity in public and private transportation by installing charging infrastructures. Subsidiaries For trading on international markets, as well as for the procurement and sale of energy products including gas, Enel owns 100% of Enel Trade, which in turn owns 100% of Enel Trade Romania, Enel Trade Croatia, and Enel Trade Serbia. Through Enel Trade, Enel also owns Nuove Energie, a company that specialises in the construction of regasification plants. In Italy, Enel owns companies that produce, distribute and resell electricity: 100% of Enel Energia – which deals with the sale of electricity and natural gas on the free market