In accordance with the Table No. 1 included in the Decree of Minister of Infrastructure of November 6, 2008 (Dz. U. No. 201, Item 1240) on methodology of calculation of a building or flat energy characteristics (or part of a building constituting an independent technical and usable entity), and on the ways of preparation and specimen of certificates of their energy characteristics for heat from KOGENERACJA, taking into account the technology of co-combustion of biomass with coal, the indicator of the input of non-renewable energy wH for production and delivery of heat for heating, for the year 2010, amounted to 0,769.