Naturgy Energy Group, S.A., together with its subsidiaries, engages in the supply, liquefaction, regasification, transport, storage, distribution, and sale of natural gas in Spain and internationally. The company operates through Energy and Network Management, Renewables and New Business, and Marketing segments. The Energy and Network Management segment engages in the regulated gas and electricity distribution business in Spain; distribution of gas and electricity in Argentina; distributes gas in Brazil and Mexico; and distribution of electricity in Panama. This segment is also involved in the sale of liquefied natural gas and the sea transport business; providing supply management and sales services for customers, as well as the Unión Fenosa Gas and other gas infrastructures activities; management of the Maghreb – Europe and Medgaz gas pipelines; and generation of thermal electricity in Spain and Latin America. The Renewables and New Business segment engages in the generation and sale of electricity through wind, mini-hydro, solar, and cogeneration in Spain; and generation and sale of electricity in Latin America and Australia. The Marketing segment engages in managing gas, electricity, and services for end customers. The company was formerly known as Gas Natural SDG, S.A. and changed its name to Naturgy Energy Group, S.A. in June 2018. Naturgy Energy Group, S.A. was incorporated in 1843 and is based in Madrid, Spain.