Alternative:

Build glow [1,2]for $10. Hook it up to homeassistant for the price of an old laptop. Measure any and all interesting plugs using an athom [3] smart plug.

Zero cloud. Good data & charts.

Good fun.

[1] https://glow-energy.io/

[2] https://github.com/klaasnicolaas/home-assistant-glow

[3] https://www.aliexpress.com/item/1005006078553282.html