energy tandem

Hydrogen, in particular generated by the use of renewable energy, in particular from solar power, hydropower and/or wind power, and/or by hydrolysis and/or without carbon dioxide emissions; oxygen for industrial purposes; oxygen for industrial purposes. Electrical and thermal energy, in particular generated by the use of renewable energy sources. Oxygen for medical purposes. Electric generators and generating plants, in particular featuring solar cells and windmills, for generating electrical energy from renewable energy sources, in particular from wind energy and solar energy; wind-powered electricity generators; wind power installations; machines for the mineralization of drinking water. Apparatus and instruments for production, distributing, switching, conversion, storage, regulation and conducting electrical energy, in particular from renewable energy sources; solar collectors for generating electricity; solar power plants; solar-power installations; solar cells for electricity generation; photovoltaic apparatus and installations for generating electricity by means of solar power; energy accumulators for the storage of in particular electrical and thermal energy generated from renewable energy sources. Energy-producing installations and power plants for generating thermal energy, in particular from renewable energy sources; solar collectors for generating thermal energy; water purifying, water desalination and water treatment installations; apparatus for filtering drinking water; drinking water supply installations and equipment; chemical installations for conditioning drinking water; water purifying units for producing potable water; water conditioning units, in particular for water softening; desalination apparatus and installations, in particular for sea water desalination.