Hydrogen fuel cells; test stations for hydrogen generators and hydrogen fuel cells; downloadable and recorded simulation software for simulating green hydrogen generation; downloadable and recorded simulation software for use on digital computers for simulating green hydrogen generation; downloadable and recorded software for computer system cleaning and optimization; electric and electronic sensors used for controlling power plants; photovoltaic installations for producing electricity, namely, hydrogen based power plants; power modules, namely, hydrogen modules; downloadable and recorded software for monitoring energy output in the field of hydrogen energy; energy banks, namely, supercapacitors for energy storage; energy control devices, namely, electrical circuit switches; apparatus for controlling electrical energy, namely, electric control devices for energy management; downloadable and recorded computer operating software for use in hand-held mobile digital electronic devices and other consumer electronic products; fuel consumption meters; apparatus for monitoring electricity consumption; downloadable software applications for energy management in the field of hydrogen energy; downloadable computer applications for energy management in the field of hydrogen energy; electrical energy analyzers; downloadable and recorded software for monitoring computer systems to ensure proper technological functioning; apparatus and instruments for monitoring electricity generation and consumption; devices for testing and quality control, namely, apparatus for analyzing energy output, consumption, and generation.;