This Decree of the Ministry of Industry and Trade, which is composed of 12 articles and seven Annexes, lays down: (1) method of measuring and calculating the amount of electricity produced from renewable sources or secondary sources of energy; (2) presentation of the amount of electricity from renewable and non-renewable sources, the amount of heat from renewable sources and secondary sources; (3) the mode of transmission and recording of measured or calculated values of the supported sources of energy; (4) the manner and procedure for transmission and recording of measured values of biomethane; (5) the procedure for putting the electricity generating plant into operation.