A greenhouse or glasshouse comprises a framework composed of columns (1), a cover (23) supported by the columns (1) as well as a screen installation, which screen installation (27) comprises at least one fixed stop (24), a screen profiled section (8) and a screen cloth (7), which screen cloth (7) extends between the fixed stop (24) and the screen profiled section (8), which screen profiled section (8) can essentially be displaced transversely to its longitudinal direction between an open position, in which the screen cloth (7) is folded up to form a package and the screening effect of the screen cloth (7) is essentially cancelled, and a closed position in which the screen cloth (7) extends over a nominal length in order to provide a screening effect, which screen installation (27) is provided with a converting device (21) for converting light into energy, such as electricity and/or heat. The converting device (21) for converting light into energy is attached to the stop (24).
