• Electrical systems

• Inspection of electrical equipment, grounding and lightning protection equipment

• Calculation of absorption and filter circuit systems, reactive power compensation

• Electricity supply and distribution systems

• Alternative supply systems

• Measuring, controlling and regulating systems

• Heating, ventilation and air-conditioning systems

• Biomass boiler plants

• Conversion of biomass into electricity (in combined heat and power plants)

  Steam turbines

  Steam motors

  Stirling units

  Steam mission units (screw compressor drives)

  Combined heat and power plants

  ORC technology

• Storage systems

• Photovoltaic systems

• Solar systems for heating and hot water preparation

• Stirling machines

• Fuel cells

• Plant oil-fuelled drives (rapeseed)

• Biogas-fuelled cogeneration plants

• Landfill gas-fuelled cogeneration plants

• Wind power plants

• High-temperature solar fields for electricity generation

• Wave power plants

• other alternative energy supply systems

• Combined heat and power plants using conventional and alternative energy sources

• Small hydropower stations

• Battery and storage systems

• Alternative technologies using renewable energy sources

• Absorption cooling from heat

• Air conditioning

• Drinking water preparation for small supply facilities of up to 5000 l/d

• See water desalination

• Energy management systems

• Reactive power compensation

• Absorption and filter circuit systems for fault elimination

• Heat recovery and treatment