HELLENiQ ENERGY Holdings S.A., together with its subsidiaries, operates in the energy sector in Greece, the Southeastern Europe, and the East Mediterranean. It operates through Refining, Supply and Trading; Marketing; Production and Trading of Petrochemicals; Electricity Generation and Trading & Natural Gas; Exploration and Production of Hydrocarbons; and Electromobility segments. The company engages in the refining, supply, and trading of crude oil and petroleum products; marketing of fuels; wholesale trading of oil products; production and marketing of polypropylene, BOPP films, and solvents; trading of imported plastics and chemicals; and production, trading, and supply of power. It is also involved in the wholesale trading and distribution of natural gas; production and trading of energy produced by renewable energy sources; exploration and production of hydrocarbons; and provision of treasury, consulting, and engineering services, as well as IT services. In addition, the company engages in the owning and marketing of vessels; leasing of other commercial properties, such as highway service stations; operation and leasing of petrol stations; production and packaging of lubricants; logistics and distribution of LPG; real estate activities; and operation of fuel storage facilities and various underground crude oil pipelines. The company was formerly known as Hellenic Petroleum Holdings Societe Anonyme and changed its name to HELLENiQ ENERGY Holdings S.A. in September 2022. The company was founded in 1998 and is headquartered in Marousi, Greece.