These documents set out how the Portuguese State aims to support facilities producing renewable energy. 

Decree 33-A/2005 amends Decree-Law no. 189/88, of 27 May, reviewing the factors for calculating the amount of remuneration for the supply of energy produced in renewable power plants delivered to the Portuguese Electricity System (SEP) network and defining procedures for the allocation of power available on the same network and terms for obtaining the establishment license for renewable plants. 

Decree 225/2007 carries out a set of measures related to renewable energies provided for in the national energy strategy, established through the Resolution of the Council of Ministers no. 169/2005, of 24 October