Same. I installed 9kw plus BYD batteries this year (finished first week January) for €19K. Completely self sufficient, even surplus which I distribute to the pu

Same. I installed 9kw plus BYD batteries this year (finished first week January) for €19K. Completely self sufficient, even surplus which I distribute to the public net and they pay me for. I hope to have complete data by next year but it looks like I can reduce electricity bills by 85% which is for Europe with really high costs/kw a bargain. Expected ROI 10 years.