1. TYNDP - Ten-Year Development Plan - ENTSO-E, https://tyndp.entsoe.eu/
2. International Energy Agency IEA databank : https://www.iea.org/statistics/electricity/
3. UCPTE data https://www.entsoe.eu/fileadmin/user_upload/_library/publications/ce/110422_UCPTE-UCTE_The50yearSuccessStory.pdf
4. RTE statistics http://clients.rte-france.com/lang/an/visiteurs/vie/flux_physiques_2.jsp
5. J. Verseille, K. Staschus, The mesh-up – ENTSO-E and European TSO cooperation in operations, planning and R&D. IEEE Power&Energy, January (2015)