5 Great Reasons to choose Perrin Energy for your Solar PV and Battery Storage You will be using the most experienced team of Solar PV and battery storage installers in the region. Perrin Energy Ltd install only high quality MCS products at rates more competitive than companies like E-ON, IKEA & British Gas. You could save up to 65% on your electricity bills with solar PV and battery storage technology which allows you to use and store the energy you generate from your system. Perrin Energy warranty all their work with insurance backed warranties. We will tailor or systems uniquely to your requirements and budget and ensure you have what you really want rather than what someone thinks you need.