Faria, PedroVale, ZitaSoares, JoãoFerreira, Judite2014-01-222014-01-2220131541-1672http://hdl.handle.net/10400.22/3430Competitive electricity markets have arisen as a result of power-sector restructuration and power-system deregulation. The players participating in competitive electricity markets must define strategies and make decisions using all the available information and business opportunities.engjournal article10.1109/MIS.2011.35