1. European Commission (2020, December 10). COM (2018) 773 Final, A Clean Planet for All: A European Strategic Long-Term Vision for A Prosperous, Modern, Competitive and Climate Neutral Economy. Available online: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A52018DC0773.
2. CIGRE Working Group C6.19 (2023, April 13). CIGRE Technical Brochure, Planning and Optimization Methods for Active Distribution Systems; CIGRE, Paris. Available online: https://e-cigre.org/publication/ELT_276_7-planning-and-optimization-methods-for-active-distribution-systems.
3. Hillberg, E., Antony, Z., Barbara, H., Steven, W., Jean, P., Jean-Yves, B., Sebastian, L., Gianluigi, M., Kjetil, U., and Irina, O. (2019). International Smart Grid Action Network—ISGAN Annex 6, ISGAN.
4. International Renewable Energy Agency (IRENA) (2021, February 05). Power System Flexibility for the Energy Transition, Part 1: Overview for Policy Makers. Available online: https://www.irena.org/-/media/Files/IRENA/Agency/Publication/2018/Nov/IRENA_Power_system_flexibility_1_2018.pdf.
5. International Energy Agency (IEA) (2021, February 05). Status of Power System Transformation 2019—Power System Flexibility. IEA Webstore. Available online: https://webstore.iea.org/status-of-power-system-transformation-2019.