basics:energy_and_ecology:primary_energy_quantifying_sustainability
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basics:energy_and_ecology:primary_energy_quantifying_sustainability [2019/02/28 10:00] – cblagojevic | basics:energy_and_ecology:primary_energy_quantifying_sustainability [2020/08/09 13:50] (current) – [Primary energy – quantifying sustainability] wfeist | ||
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The primary energy demand determines the impact on the environment. To be more exact: | The primary energy demand determines the impact on the environment. To be more exact: | ||
- | * The total primary energy demand from non-renewable energy sources that is supplied to the building ((**There are many environmental effects of the use of energy**: consumption of resources, pollution of the atmosphere with harmful substances (e.g. CO< | + | * The total primary energy demand from non-renewable energy sources that is supplied to the building ((**There are many environmental effects of the use of not renewable |
+ | \\ | ||
+ | )) | ||
* for all energy uses arising in the building, | * for all energy uses arising in the building, | ||
* thus also for the household electricity in a residential house (shown in “yellow” in the following illustration). | * thus also for the household electricity in a residential house (shown in “yellow” in the following illustration). | ||
- | //Note: the current calculation method of the Energy Saving Regulations (EnEV) does not take the domestic electricity into account// | + | // |
+ | //Note 2: The world is furtunately substituting more and more not renewable energy sources by renewable energy sources. These source do have much less dangerous environmental impacts; but these also need some limited resources (e.g. land use). In the future, it will become more and more important, to design an energy system in a way, that the renewable energy generation can be kept within sustainable limits. This is, what the new [[: | ||
+ | //\\ | ||
\\ | \\ | ||
|{{ : | |{{ : | ||
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//**What is being compared? | //**What is being compared? | ||
-> **For the “existing building“ category ** with the average consumption of buildings from the construction year categories before 1984.\\ | -> **For the “existing building“ category ** with the average consumption of buildings from the construction year categories before 1984.\\ | ||
- | -> **For the “WschVO 84” category** (Thermal protection regulation) with the requirement standard set there (unfortunately there are no statistics for the actual consumption values, these are presumably higher because the regulations haven not taken into account some important facts and because construction is simul taneously | + | -> **For the “WschVO 84” category** (Thermal protection regulation) with the requirement standard set there (unfortunately there are no statistics for the actual consumption values, these are presumably higher because the regulations haven not taken into account some important facts and because construction is simultaneously |
-> **For the " | -> **For the " | ||
-> ** For the "EnEV 2002" category ** with the requirement standard set there (same problem with statistics here).\\ | -> ** For the "EnEV 2002" category ** with the requirement standard set there (same problem with statistics here).\\ |
basics/energy_and_ecology/primary_energy_quantifying_sustainability.txt · Last modified: 2020/08/09 13:50 by wfeist