Simply put, you don't have the expertise required to measure this. It's not just that you didn't get the exact number, it's that you haven't got a usable measur

Simply put, you don't have the expertise required to measure this. It's not just that you didn't get the exact number, it's that you haven't got a usable measurement at all. For all we know from your tests, the new site uses less power than the old one.