Article 4.9.2.2.

1.

By 1 December 2015 at the latest, the classified establishments shall have a valid energy audit.

2.

The energy audit shall be carried out by the operator of the classified establishment or a person duly authorised by the operator, who shall register in the web application as stated in Section 4.9.3.

3.

The energy audit is valid for four years.

4.

An energy audit:

1

is based on current, measured, traceable operational data concerning energy consumption and on the load profiles for electricity;

2

includes a detailed overview of the energy consumption profile of buildings or groups of buildings, industrial processes or establishments, including transport;

3

insofar as is possible, build on an analysis of life cycle costs, instead of simple payback periods, to take into account long-term savings, residual values of long-term investments and discount rates;

4

is proportionate and sufficiently representative to allow a reliable picture to be formed of the total energy performances and the key points for improvement to be reliably determined.