1. Our World in Data. Share of electricity production from renewables 2021. https://ourworldindata.org/grapher/share-electricity-renewables?tab=chart&stackMode=absolute&time=earliest..latest&country=∼OWID_WRL®ion=Europe (accessed February 25, 2021).
2. Our World in Data. Annual change in renewable energy generation 2021. https://ourworldindata.org/grapher/annual-change-renewables?tab=chart&time=2001..2019&country=∼OWID_WRL (accessed February 25, 2021).
3. IRENA. Renewable Energy Finance Flows 2021. https://www.irena.org/Statistics/View-Data-by-Topic/Finance-and-Investment/Renewable-Energy-Finance-Flows (accessed February 25, 2021).
4. Department of Social and Economic Affairs of United Nations. The 2030 Agenda for Sustainable Development 2021. https://sdgs.un.org/goals (accessed March 10, 2021).
5. Unlocking the potential of Ocean Energy: from megawatts to gigawatts;Boshell;EnergypostEu,2021