Electricity generating solar cells and panels; solar batteries; solar batteries for domestic use; solar batteries for industrial use; solar cells for electricity generation; solar collectors for electricity generation; solar energy collectors for electricity generation; solar panels for electricity generation; photovoltaic cells; ceramic wafers bearing printed circuits; containers adapted for carrying semiconductor wafers; glass wafers for integrated circuits; semiconductor wafers; silicon on insulator wafers; silicon slices (wafers); substrates (wafers); wafers (silicon slices); apparatus for managing energy supplies; electrical power supply apparatus (other than generators); power supply units comprising rectifiers; reserve electrical power supply apparatus (other than generators); switching power supply apparatus; devices for switching over energy tariffs; electricity generating solar cells and panels; solar cells for electricity generation; solar panels for electricity generation; energy control devices; alternating current power apparatus; alternating current power installations; consumer type power supplies; electric power converters; electric power storage apparatus; power installations (other than generators); power units for supplying (other than generating) electrical current; solar energy collectors for electricity generation; solar energy operating apparatus