Nu energy in confunction with Matera installed solar panels on our roof at the beginning of June. Within a week the invertor broke down. Numerous phone calls were ignored, but finally after weeks of frustration another invertor was installed. That broke down the following day. Phone calls and emails were not returned, then eventually a 3rd invertor was installed which stopped functioning the next day. We have spent the past week ringing them, but the Manager is always "in a meeting" and doesn't return phone calls. We heard... read full review »