@Little_C Thank you for the page link. It seems there are only two plugs with Energy Monitoring, the KP115 and the KP125, so searching for them won't be difficult.

I was so pleased with the Energy Monitoring feature of my KP115 that I bought a pack of four more, or so I thought! Although all 5 mini-plugs look identical, only the KP115 has Energy Monitoring to...