If you are considering reducing or increasing current MEC, you will need to submit an updated NC6 Notification Form to ESB Networks accompanied by an updated Type Test Certification and other supporting materials. However, for the micro-generation 'inform and fit' process the upper limit on the installed inverter size is 25A (approx. 6kVA) for Single Phased and 16A/Phase (Approx. 11kVA) for Three Phase, and if going beyond these limits it is necessary to consider Mini-generation, where a technical assessment will need to be carried out so that ESB Networks can issue a quotation for Connection. See Mini-generation here.

Note:

Adding extra PV panels behind an inverter of less than 6kVA Single Phase or 11kVA Three Phase does not require ESB Networks permission. Before doing so, ESB Networks recommends that you familiarise yourself with our 'Step-by-Step Guide' which can be found at this link here.