The International Energy and Environment Trade Fair, GENERA 2023, held from 21 to 23 February at IFEMA MADRID, was an absolute success with an unprecedented professional attendance, reinforcing its status as a benchmark platform for the sector at a key moment characterised by the boom in the development of renewable energies, the interest in efficiency and self-consumption issues, and the great potential represented by the energy market in Spain. Six companies introduce themselves and present their current technologies during Booth-Tours and Interviews recorded during GENERA 2023.