This study suggests a model for the assessment and development of new businessideas. The scope of the thesis is on the early stages of the model, specifically on the firsttwo steps which refer to screening and identification of global trends in the electricitymarket and the assessment and selection of business opportunities. The framework isan adaptation of portfolio management methodologies and multi-criteria group decisionmodels. The study was developed and applied through a case study in Ormazabal, anelectrical equipment manufacturer and supplier of power network solutions.There are three main theoretical contributions in this work. First, it outlines a five-stepmodel for the development of business opportunities. Second, it suggests a guide forscreening the macro-environment and for the identification of global trends in theelectricity market and finally, it provides a new approach to the directional policy matrixfor the assessment and selection of business ideas. The proposed model has beentested in a real case and the results reveal a practical approach to strategic decisionsbased on team collaboration and group discussion.