Strength is in the team

Iren is a holding company headquartered in Reggio Emilia. The Parent company is responsible for strategic, administrative, development, coordination and control activities. The four companies Iren Energia, Iren Mercato, IRETI and Iren Ambiente are responsible for activities by business sector.

The power of cohesion

is the value of the enterprise.

IREN was created on 1 July 2010 from the merger of Enìa into Iride and is at the top of national multi-utility companies with a prominent position in the different business areas, a balanced mix of regulated and quasi-regulated activities and unregulated activities, and a strong integration between upstream and downstream activities.


Thanks to its production assets, the investments made and underway, its positioning in all business areas, in all stages of the energy chain, and its territorial roots, IREN is today one of the leading multi-utility Groups on the Italian scene.



Iren Energia investee companies

Iren Energia, parent company of the "Energy" Business Unit, is the company of the Iren Group that produces, distributes and sells electricity, gas, products and services for public entities, companies and individuals.

  • Production of electricity/heat
  • District heating networks
  • Technological services (public lighting/traffic lights/municipal electrical systems/municipal thermal systems, etc.)
  • Renewable Energy
Main Investee companies  
  • Iren Smart Solutions S.p.A
  • Alfa Solutions S.p.A.
  • LAB 231 s.r.l
  • Maira S.p.A.
  • Formaira S.p.A.
  • Iren Green Generation S.r.l.
  • Iren Green Generation Tech S.r.l.
  • Mara Solar
  • Limes 1
  • Limes 2
  • Omnia power
  • Palo Energia S.r.l.
  • Dogliani Energia S.r.l.
  • Valle Dora Energia S.r.l.
  • Asti Energia e Calore S.p.A.

Iren Mercato investee companies

Iren Mercato, parent company of the "Market" Business Unit, is the Iren Group company operating in the electricity, gas and district heating marketing sector.

  • Supply and marketing of electricity, gas, district heating, trading
  • Energy efficiency
Main investee companies  
  • Salerno Energia Vendite
  • Alegas

Iren Ambiente investee companies

Iren Ambiente, parent company of the "Environment" Business Unit, is the Iren Group company that, in the Piedmont and Emilia Romagna regions, carries out the coordination and management of urban sanitation, the integrated waste cycle and the renewable energy sector.

  • Waste collection and environmental sanitation
  • Waste treatment plant management and waste disposal
Main Investee companies  
  • Amiat Veicolo SpA 93,06% (detiene l'80% di Amiat SpA)
  • Bonifica Autocisterne s.r.l.
  • Iren Ambiente Parma s.r.l.
  • Iren Ambiente Piacenza s.r.l.
  • TRM S.p.A.
  • ACAM Ambiente S.p.A.
  • ReCos S.p.A.
  • San Germano S.p.A.
  • Territorio e Risorse s.r.l.
  • Rigenera Materiali s.r.l.
  • I.Blu S.p.A.
  • Uniproject s.r.l.
  • Manduriambiente S.p.A.
  • Bonifiche Servizi Ambientali (BSA)
  • Iren Ambiente Toscana S.p.A.
  • Scarlino Energia S.p.A.
  • Valdarno Ambiente
  • TB S.p.A.
  • CRCM S.r.l.
  • Sei Toscana
  • Ekovision
  • Valdisieve
  • Futura S.p.A.

IRETI investee companies

IRETI, parent company of the "Networks" Business Unit, is the Iren Group company that manages the distribution of electricity, gas and water in an integrated and widespread manner throughout the country.

  • Gas distribution
  • Electricity distribution
  • Management of Integrated Water Service
Main Investee companies
  • Iren Acqua S.p.A.
  • Iren Acqua Reggio S.r.l.
  • Iren Acqua Tigullio S.p.A.
  • ASM Vercelli S.p.A.
  • ACAM Acque S.p.A.
  • Iren Laboratori S.p.A.
  • Consorzio GPO
  • Romeo 2
  • ATENA Trading s.r.l.
  • Nord Ovest Servizi