4
Electrical energy; electrical energy from renewable sources; electrical energy from wind power; electrical energy from wind farms; electrical energy from solar power; electrical energy from batteries or other storage devices; electrical energy from hydrogen; biofuels; fuels
37
Building construction; infrastructure construction; power infrastructure construction; grid energy infrastructure construction; construction of wind, solar or hydrogen energy power plants; construction of renewable energy power plants; construction of wind, solar or hydrogen energy installations; construction of renewable energy installations
39
Energy distribution; energy supply; energy storage; distribution, supply and/or storage of renewable energy; distribution, supply and/or storage of energy from wind power; distribution, supply and/or storage of energy from wind farms; distribution, supply and/or storage of energy from solar power; distribution, supply and/or storage of energy from batteries or other storage devices; distribution, supply and/or storage of energy from hydrogen; storage of energy and fuels; distribution, supply and/or storage of energy for heating and cooling buildings; transmission of energy; distribution, storage and supply of electricity, gas, power, water and fuels; heat supply (distribution); public utility services in the nature of electricity, water and energy distribution; water distribution; distribution and supply of electricity to charging points for electric vehicles; transmission of electricity; provision of facilities for the distribution and supply of electricity to electric battery charging points, charging posts and battery charging points for electric vehicles; grid energy storage; large scale energy storage; large scale battery storage; distributed heat storage; carbon storage services; consultancy, information and advisory services relating to all the aforesaid services
40
Energy production; generation of energy; generation of energy from renewable sources; generation of electricity from wind energy; generation of energy via wind farms; generation of electricity from solar energy; generation of electricity from batteries or other storage devices; generation of electricity from hydrogen; production of energy by power plants; hydrogen powered electricity generation; leasing and/or rental of energy generating equipment; production of gas and electricity; power generation; electricity generation; generation of electricity from wind or solar energy; production of hydroelectric power; material treatment of biomass; extraction, conversion and treatment of by-products from power stations and cooling towers; services for the treatment of carbon emissions (carbon capture); carbon capture services; hire of electricity generators; information, consultancy and advisory services relating to the above