The international conference ‛Sustainable Energy for Africa' (second edition) - SE4A 2021 – is organized jointly by the Benin National Academy of Sciences, Arts and Letters (ANSALB) and by the Royal Academy for Overseas Sciences of Belgium (KAOW-ARSOM). Information about objectives of the Conference and organising Committee are provided in the enclosed Concept Note. The event will take place in Cotonou, Benin, from Monday 8 to Thursday 11 November 2021.