technical design services relating to electricity plants; electrical engineering services; design and planning services relating to electrical systems; design and development of photovoltaic systems; computer programming

consultancy services relating to the generation of electrical power; consultancy services relating to the generation of electrical energy; generation of electricity

electricity distribution services; public utility services in the nature of electricity distribution; electricity supply services; electricity distribution; supply of electricity; distribution and storage of electricity; consultancy services relating to the distribution of electricity; supply of electrical energy, gas, water and district heating

grids for batteries; electric power supply units; electrical power supplies; electric power supplies other than generators; electric power distribution units; electric power distribution apparatus

battery charging services; installation, maintenance and repair of apparatus for supplying electricity; maintenance services of electricity, gas and water distribution networks; servicing of power generating apparatus and installations