Electricity portfolio optimization for large consumers: Iberian electricity market case study Energies Journal Article E. Canelas T. Pinto-Varela B. Sawik Publication Year of Publication: 2020 Volume: 13 Issue: 9 Identifiers ISSN: 19961073 Other Numbers: 2-s2.0-85084286173 Locators DOI: 10.3390/en13092249 Sustainable Development Goals