Solar energy and photovoltaic roofs

The Bavaria Solarpark (6.3 MWpeak) is the largest photovoltaic system in the world; it is made up of 57,600 solar panels, covering an area of 25 hectares (0.25 km2).

Energy. Electric energy

    A look at electric energy in Italy

Solar energy

    Why not use the sun to produce energy?

The photovoltaic effect

    How we can use the sun to generate electric energy

Types of photovoltaic systems

    Can we produce electric energy at night too?

The photovoltaic system on the roof of the Physics Department of the University of Bologna

    Characteristics and electric power

Incident solar radiation and electric energy generated

    How efficient is the system

The future


Questions and Answers



G. Giacomelli, G. Mandrioli, D. Matteuzzi     

Useful links

  Tema energia - Ministero dell'Ambiente e della tutela del territorio
  Caratteristiche di un impianto fotovoltaico
  Rapporto energia ambiente 2005 - ENEA
  Le fonti rinnovabili 2005 - ENEA
  Statistiche sulle fonti rinnovabili anno 2004 (GRTN S.p.A.)
  Governo Italiano, Ministero delle Attivitą Produttive, Decreto del 28 Luglio 2005