**8.3 Electrical installation**

Electrical installation may well be the most important one in the glass greenhouse as it is necessary for various production operations. A crucial one is starting a

#### **Figure 15.**

*Drip irrigation water/nutrient solution pumps (The Netherlands), Drip irrigation system—drippers around the plants on the white gutters (the Netherlands).*

motor that supplies power to different devices (opening and closing the vents/ windows, shading, switching on/off the fans, additional lighting, etc.). Every glass greenhouse for professional and commercial production has to have its own power transformer substation so as to provide a reliable energy supply in a case of a power cut, which would otherwise impede the production.
