Bio Building

Construction, mandatory renewable sources in buildings


From May 31, 2012, newly built homes and buildings subject to major building renovation must have energy production plants from renewables. This is established by Legislative Decree n. 28/2011, the renewables decree entered into force on 29 March 2011, with the European directive 2009/28 / EC on the energy efficiency of buildings.

The rule establishes that buildings under obligation must provide for the use of renewables to cover the consumption of heat, electricity and cooling. As reported in Article 11 and Annex 3, the buildings in question have the'obligation to provide coverage with renewable energy sources. Coverage of 50% of the expected consumption of domestic hot water.

For domestic hot water, heating and cooling:

  • 20 per cent when the application for the relevant building permit is submitted from May 31, 2012 to December 31, 2013;
  • 35 percent when the application for the relevant building permit is submitted from January 1, 2014 to December 31, 2016;
  • 50 per cent when the application for the relevant building permit is issued from 1 January 2017.

10% increase on all percentages for interventions concerning public buildings. In addition to new buildings, the obligation also applies to existing buildings with a usable area greater than 1,000 m2 subject to renovation and to existing buildings subject to demolition and reconstruction.
The companies that fulfill the obligations of the decree have access to the state incentives provided for the promotion of renewable sources limited to the excess amount, necessary for compliance with the obligations.

Renewable sources in buildings. The exemptions
In the case of a district heating network that covers the entire heat requirement for heating and the supply of domestic hot water, the obligations are inapplicable. If an alteration is found that is incompatible with the historical and artistic characteristics of the buildings, the rule does not apply.
Non-compliance will result in failure to issue the building permit.

Video: How To Build the Worlds Most Energy-Efficient Building (October 2020).