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Figure type:: Graph

Additional information

The unit consumption in useful terms is calculated by multiplying the final consumption for each fuel by the heating efficiency for that fuel.

The efficiencies by fuel are the following: electricity (97%), heat (95%), LPG (75%), heating oil (72%), fuel oil (76%), hard coal (65%), lignite (65%), wood/renewable (55%), gas (80%), the values were endorsed at an ODYSSEE meeting, following a review of the values used by different countries, in particular Denmark.

The difference of variation between unit energy consumption in useful and final energy show the impact of fuel substitutions.

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14 Sep 2010 - Useful energy requirement per m2 per degree-day for space heating

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