ntr18-L_2021231EN.01025201-E0018
(18) If the objective of the measure for the constructed front-to-end waste water system to have net zero energy use or for the renewal of the front-to-end waste water system to lead to a decreased average energy use by at least 10 % (solely by energy efficiency measures and not by material changes or changes in load).
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Source: EUR-Lex (Cellar) · retrieved 2026-10-28 · Text as adopted (Official Journal); later amendments are not incorporated in this text.