Enel SpA operates as an integrated electricity and gas operator worldwide.
Snam S.p.A., together with its subsidiaries, engages in the implementation and integrated management of natural gas infrastructure in Europe.
Terna - Rete Elettrica Nazionale Società per Azioni, together with its subsidiaries, engages in the electricity transmission and dispatching activities in Italy, Euro-area countries, and internationally.
Hera S.p.A. provides gas, electricity, water cycle, environmental, and other services in Italy.
Italgas S.p.A., together with its subsidiaries, engages in the distribution of natural gas in Italy.
A2A S.p.A. engages in the production, sale, and distribution of gas and electricity, and district heating in Italy.
ACEA S.p.A., together with its subsidiaries, operates as a multi-utility company in Italy.
ERG S.p.A., through its subsidiaries, produces energy through renewable sources in Italy, France, Germany, Poland, Bulgaria, Romania, and the United Kingdom.
Iren SpA, together with its subsidiaries, operates as a multi-utility company in Italy.
Falck Renewables S.p.A., together with its subsidiaries, finances, develops, constructs, and manages renewable energy plants.
Ascopiave S.p.A. distributes and sells natural gas in Italy.
Acsm-Agam S.p.A. operates as a multi-utility company in Italy.
Alerion Clean Power S.p.A. engages in the production of electricity through wind power in Italy.
Iniziative Bresciane S.p.A. designs, constructs, and operates small and medium-sized hydroelectric plants in Italy.
Renergetica S.p.A., a smart energy company, provides a suite of development, engineering, and asset management services for renewable energy plants and energy storage solutions in Italy and internationally.
Elettra Investimenti SpA generates and sells electrical and thermal energy in Italy.
