7
Energy-generating installations for generating electrical energy or heat, namely wind powered electricity generators, photovoltaic electric generators, and combined heat and power generating plants consisting of electric generators; water storage and supply installations comprising electric water pumps for supplying water to commercial and domestic users; water storage and distribution installations comprising electric water pumps, plumbing fittings and pipes for distributing water to an end user
9
Fuel cells; apparatus for converting electronic radiation to electrical energy, namely photovoltaic solar modules and solar cells; thermostats; electric converters; electricity inverters; inverters; rectifiers; and structural parts for the aforesaid goods
11
Energy-generating installations for generating heat, namely solar power plants, water power plants, tidal power plants, small power plants, solar heat collection panels; power plants, namely water power plants, tidal power plants, small power plants, solar power plants, fuel cell based power plant; energy-generating installations for generating cold, namely solar-powered evaporative air coolers; water desalination plants; heat pumps; heat accumulators; heat exchangers; water purifiers; water purification units; water filters; water-filtering units for commercial or domestic use; water-purifying apparatus; and structural parts for all the aforesaid goods
39
Distribution of energy, namely the onward transfer of electrical energy, heating, gas and water; public utility services in the nature of supplying consumers with electrical energy, heating, gas and water
40
Generation of energy; generation of electricity; and water treatment and purification