district heating and cooling that, on the basis of a plan approved by the competent authority, is efficient district heating and cooling by 31 December 2025;
téamh agus fuarú ceantair a bheidh mar théamh agus fuarú ceantair éifeachtach, bunaithe ar phlean arna fhormheas ag an údarás inniúil, faoin 31 Nollaig 2025;