Secondary energy - Final energy

Secondary energy (SE) are tradable forms of energy, which the user can obtain on the market, such as electricity, district heating, fuels, fuels.

Final energies (EE) are available at the place of use of secondary energy (SE). The term "final energy" has purely statistical significance, since secondary and final energies do not differ physically. Only the resulting energy losses during transport are relevant here.

Categories::

• Steam
• Compressed air
• Elektricity
• Local heating – Local cooling
• District heating – District cooling
• Heating fuels
• Engine fuels
• Hydrogen

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Werden aus Primärenergieträgern gleichzeitig  Kraft (Elektrizität) und Wärme erzeugt, so spricht man von Kraft-Wärme-Kopplung (KWK).

Wird am Ausgang einer KWK-Anlage auch Kälte bereitgestellt, spricht man von Kraft-Wärme-Kälte-Kopplung (KWKK).

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