The present invention relates to a photovoltaic cover (3,30,300) for greenhouses (1,10) of the type comprising two lateral inclined portions (31,32,310,320) and a central portion (33,330) situated between said two lateral inclined portions (31,32,310,320), said central portion being provided with photovoltaic modules and said two lateral portions (31,32,310,320) being at least partially transparent. The present invention also relates to a greenhouse (1,10) comprising said cover (3,30).