Primary Energy Factor Formula

I am looking for the factor that allows me to convert delivered energy electricity in kwh to the primary energy kwh value.

Primary energy factor formula.

Energy usage should be converted to primary energy units so that the actual total carbon emissions can be quanti fi ed. Bpie proposes using delivered energy as the main building performance indicator to determine and set requirements for its energy performance. This amounts to total required savings of 368 mtoe. The role of the primary energy factor pef in determining the energy performance of buildings in this bpie policy brief publication.

Method and sources this section outlines the process used to derive the primary energy factors in sap. A more detailed description can be found in the sap 2016 consultation paper consp 072. Primary energy pe is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels and other forms of energy received as input to a system primary energy can be non renewable or renewable.

Where primary energy is used to describe fossil fuels the embodied energy of the fuel is available as thermal energy and. The term is used by the united states department of energy to develop and enforce minimum energy conservation standards under. Location is british columbia where most of the electricity generated is hydropower if this would have an impact on the ratio of primary energy to delivered energy. A set of constants also known as primary energy factors pefs are used.

7klv uhsruw hvwdeolvkhv sulqflsohv dqg d iudphzrun iru ghwhuplqlqj sulpdu hqhuj idfwruv 3 v iru hohfwulflw 7zr jhqhudo fulwhuld irup wkh edvlv iru wkh ghwhuplqdwlrq ri 3 v. The purpose of the primary energy factors pefs set out in annex iv of the eed is to assist member states to translate final energy savings into primary energy savings in the framework of article 3 energy efficiency targets and art 7 energy efficiency obligation schemes. Sap uses primary energy factors to convert the calculated energy requirements of a dwelling into a primary energy demand figure. To reduce eu primary energy consumption in 2020 by 20 in compari son to a given baseline development.

A primary energy factor pef for electricity describes the ratio between end user consumption of electricity and primary energy consumption. Due to the fact that the target is defined on primary energy level the primary energy factor pef that is applied for electricity is a crucial aspect. An energy factor is a metric used in the united states to compare the energy conversion efficiency of residential appliances and equipment.