Current generators; engines for the generation of electricity; wind turbines; generators for wind turbines; wind-powered electricity generators; hydroelectric installations for generating electricity; electric power generators using waste heat and electric power generators using geothermal power

Apparatus and instruments for measuring and checking levels of consumption and supply of water, gas and electricity; apparatus and instruments for recording, storing, processing, transmission and analysis of data relating to the consumption of water, gas and/or electricity; software and recorded computer programs for processing, transmission and analysis of data relating to the consumption of water, gas and/or electricity; measuring and electronic transmission instruments and apparatus for da...