Thanks! Looks like lots of options out there.
Our power panel is old and we’ve been advised it may need replacing. I briefly looked at Span panels, with built-in energy monitoring, but they’re not cheap. These monitors look like you at least get the data at a much more reasonable price.
https://youtu.be/tANavEbnKsU
Finland edition, where it apparently started. Action starts at 4:20m in.
Good, wholesome fun.