Danish Sector Guide for Calculation of the Actual Energy Consumption

Lone Hedegaard Mortensen

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review


Energy calculations have for a long time been a controversial topic as building owners do not necessarily achieve the promised energy savings after a building upgrade, but is this due to incorrect calculations or rater an evidence for misunderstanding in the communication?

In Denmark the innovation network for sustainable construction, InnoBYG started working on a sector guide for calculation of real energy consumption in relation to upgrading of buildings. The focus was to make a common guide for energy calculations that can be used by consultants performing calculations.  The guide should help to ensure more uniformity in calculations. Furthermore, the aim was to highlight the influence of uncertainties related to the calculation. This should ensure a transparent and comparable communication of the calculation assumptions, the result and the associated uncertainty of the energy calculation to building owners and developers.

This paper will describe the process that lead to the sector guide and briefly explain the content in both the technical guide and the communication paper. Finally the paper will discuss some of the known dilemmas related to measured energy use compared to estimated energy use by calculation. The paper concludes that the result of an energy calculation should not be given as a single figure but rather as a spread between the best and worst case for the assumed conditions. Finally, a brief update on current actions will be given related to the sector guide for calculation of real energy consumption.

TitelCLIMA 2016 - proceedings of the 12th REHVA World Congress : volume 6
RedaktørerPer Kvols Heiselberg
Antal sider10
ForlagDepartment of Civil Engineering, Aalborg University
Publikationsdato22 maj 2016
ArtikelnummerPaper #739
ISBN (Elektronisk)87-91606-31-4 (vol. 6) , 87-91606-36-5 (set)
StatusUdgivet - 22 maj 2016
BegivenhedCLIMA 2016 - 12th REHVA World Congress, 22-25 May 2016, Aalborg, Denmark - Aalborg, Danmark
Varighed: 22 maj 201625 maj 2016
Konferencens nummer: 12


KonferenceCLIMA 2016 - 12th REHVA World Congress, 22-25 May 2016, Aalborg, Denmark


  • Energy calculations
  • real energy consumption
  • energy perfomance


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  • Rehva World Congress

    Lone Hedegaard Mortensen (Oplægsholder)

    24 maj 2016

    Aktivitet: Foredrag og mundtlige bidragKonferenceoplæg