hoone, millele paigaldatud lokaalsete taastuvenergia tootmisseadmete abil toodetakse rohkem energiat kui hoones aasta jooksul tarbitakse ning kogu ülejääk müüakse võrku, building where, as a result of its very high level of energy efficiency, the overall annual primary energy consumption is equal to less than the energy (produced from renewable energy sources) supplied to the building