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Glossary

 

W
  • WDF (Environment Glossary)

    Waste-Derived Fuel.

     
  • Waste (Environment Glossary)

    Italian Legislative Decree no. 22 of 5 February 1997 defines waste as “any substance or object which the holder disposes of or has decided or is required to dispose of”. This decree classified waste based on its origin, as urban or industrial, and, according to the level of dangerousness, as dangerous or non-dangerous.

     
  • Waste collection centre (Environment Glossary)

    Protected area dedicated to waste collection where the waste is divided into differentiated piles of homogenous waste taken by the owners to the recovery and treatment plants. The operation of waste collection centres is regulated by a decree issued by the Ministry of the Environment, Land and Sea, having consulted the Unified Conference of the State – Region – Town and local authorities mentioned in legislative decree no. 281 of 28th August 1997;

     
  • Waste water (Environment Glossary)

    water coming from municipal and industrial sewage systems that once properly purified can be put back into a normal watercourse again.

     
  • Waste water treatment plant (Environment Glossary)

    Plant for treating sewage.

     
  • Water bonus (Water Glossary)

    This is an instrument for guaranteeing savings on their water bills for families suffering economic hardship.The bill shows a negative tariff (in other words an amount in favour of the consumer).

     
  • Weight in grams (Environment Glossary)

    Weight of one square metre of paper, expressed in grams.

     
  • Wet organic waste fraction (Environment Glossary)

    Type of waste division. It is made up of kitchen leftovers, leaves, cut branches, etc.

     
  • White certificates (or Energy Efficiency Bonds, EEB) (Energy glossary)

    Bonds issued by the Electricity Market Operator to companies that achieve energy-saving objectives established by law. These certificates can be exchanged between companies via bilateral contracts or via a special market, the White Certificate Market which in Italy is set for launch in early 2007.

     
  • Wholesaler (or Trader) (Energy glossary)
    • Electricity

    A physical or legal person who purchases and sells electricity without operating in the fields of production, transmission or distribution in the countries of the European Union.

    • Natural gas

    A physical or legal person who purchases and sells natural gas without operating in the fields of production, transport or distribution inside or outside the system in which he/she is established and works.

     
 
2017 Sustainability report embraces shared value
 
Valore condiviso al centro del bilancio di sostenibilità 2017
 
 
Sustainability in Hera Group
 
Sustainability in Hera Group
 
 
2017 Economic results
 
Risultati economici 2017 - Il commento del Presidente del Gruppo Hera