A study containing an analysis of energy consumption and specyfying the technical condition of an object, technical device or installation, cotaining a list of projects to improve the energy efficiency of these objects, devices or installations, as well as an assessment of their cost-effectiveness and achievable energy savings.

• Act of 20 May 2016 on Energy Efficiency
  Place of publication: (Dz. U. z 2021 r. poz. 2166, z późn. zm.)