Decree-Law n. º 74/2013 establishes a regulatory mechanism which aims to ensure the balance ofcompetition in the wholesale market for electricity in Portugal since the pricing in that market may be affected by events occurring in other Member States of the European Union, due to the integration of the energy markets, and that do not directly relate to endogenous factors of the market.

In this context, in order to contribute to the continuous adaptation and harmonization of regulatory activity at a national level, it should be possible for analysis and implementation of appropriate mechanisms to correct the effects of    nonmarket actions or events occurred in the European Union or in some of the respective Member States, with impact in tnahi thaki he average prices of electricity in the wholesale market in Portugal.