1. 'Aerothermal energy' is the energy stored in the form of heat in the ambient air; 2. 'Geothermal energy' is the energy stored in the form of heat beneath the surface of solid earth; 3. 'Hydrothermal energy' is the energy stored in the form of heat in surface water; 4. 'Biomass' is the biodegradable fraction of products, waste and residues from biological origin from agriculture (including vegetal and animal substances), forestry and related industries including fisheries and aquaculture, as well as the biodegradable fraction of industrial and urban waste; 5. 'Bioliquids' are the fuels in liquid or gaseous form, mixed with hydrocarbon fuels, produced from biomass, according to the dispositions on law no. 9876, date 14.2.2008 "For the production, transportation, and the trade of biofuels and other renewable fuels to be used on the transport sector. 6. 'Energy from renewable sources' means energy from renewable non-fossil sources, namely wind, solar, aerothermal, geothermal, hydrothermal and ocean energy, hydropower, biomass, landfill gas, sewage treatment plant gas and biogases; 7. 'Gross final consumption of energy' Is the entire amount of energy delivered to the territory of the Republic of Albania, for industrial purposes, transportation, for the household sector, for different services, including public and private services, agriculture, forestry and fisheries, including the consumption of electricity and heat even for subsistence in all energy sectors, as well as loss of electricity and heat in the transmission and distribution system; 8. 'Guarantee of origin' is an electronic document which has the sole function of providing proof to a final customer that a given share or quantity of energy was produced from renewable sources: 9. 'Competitive bidding process' is an objective procedure, transparent, non- discriminatory and competitively enabling the participation of a sufficient number of companies and in which financial support granted on the basis of the initial bid submitted by the bidder 10. 'Support scheme' is any instrument, scheme or mechanism applied in that promotes the use of energy from renewable sources by reducing the cost of that energy, increasing the price at which it can be sold, or increasing, by means of a renewable energy obligation or