A number of factors need to be considered before you can determine whether adding more panels will support your existing installation.

  1. The new panels need to be matching with the existing installed panels. For example, if you have installed 275watt poly-crystalline panels, you need to obtain the same wattage and type ‘poly-crystalline’ panels.
  2. Your inverter capacity must not be greater than 133% of its rated power. For example, if you have a 3kW inverter, you can install up to 3.99kW worth of panels. If you have a 5kW inverter, you can install up to 6.6kW worth of solar panels.
  3. When you upgrade or add more solar panels to your system, you will have to re-apply to connect additional panels (kWs) to the electricity grid. This will affect your feed-in-tariff (FIT) rate. If you were an early adopter of solar and are receiving a Premium FIT, this may not work favourably. However, if you are not receiving a high FIT, then it may be more beneficial to add panels to your existing situation.

Overall, it may be more cost effective to install an additional system if your requirements are to generate more power. Get in touch with b.solar to find out how we can help you further.