para. (2), (4) a number of green certificates established by ANRE by reducing the number of green certificates provided for in (5), as the case may be, reducing the reference value of the investment per MW by the amount of aid received per MW and keeping the value of the internal rates of return established by Commission Decision C ( 2016) 8,865 final from December 16, 2016, if the power plants receive additional state aid; the reduction in the number of green certificates provided for is applied until the competition of the value of the investment aid received by the electricity producer.