Equity investment portfolio in renewable energy companies to influence the UN's 2030 agenda

Companies need more and more financing, in particular energy companies can be a good instrument to generate a higher return by investing in their shares and to collaborate so that these companies have income from the purchase of their shares. In this work 5 companies related to the topic of renewable energies were considered, these are: Iberdrola, Gamesa, Vestas, General Electric (GE), and Brookfield Renewable Partners L.P. (BEP), this portfolio will be analyzed following the Markowitz model. The results yield a weighting in the distribution of money when invested in this way: 55% to Iberdrola shares, 20% to Gamesa, 2% to Vestas, 0% to GE, and 23% to BEP. It was found that the stocks with the highest risk are Vestas, and the lowest risk are Iberdrola. These results could motivate investment in this type of companies and the result would be to have more economically sound companies and thus meet the Sustainable Development Goals of the United Nations (UN).