Definition:
energy that has not been subjected to any conversion or transformation process
NOTES:
Primary energy can be either resource energy or renewable energy or a combination of both.
For a building, it is the energy used to produce the energy delivered to the building; it is calculated from
the delivered amounts of energy carriers using conversion factors.
comment:
ISO 16818:2008 Edition:1; Committee: ISO/TC 205
Last modified at 8/7/2011 4:48 PM by Kießling, Andreas
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