Hi everyone,
I recently installed a Refoss EM06 (6 CT clamps) in my electrical panel to better understand how energy is distributed across my home.
I decided to separate:
- Floor 1 → Lighting / Sockets
- Floor 2 → Lighting / Sockets
- Floor 3 → Lighting / Sockets
So in total I’m monitoring 6 circuits independently.
The goal was to:
- Understand real base load
- Detect phantom consumption
- Compare lighting vs socket usage per floor
- Have more granular data than just total house consumption
In Home Assistant I now have all 6 circuits as individual entities, and I’m also combining them with several smart plugs that report device-level consumption (PCs, office equipment, etc.).
It’s working well, but now I’m wondering how to best structure this long-term in HA.
Some open questions for those doing circuit-level monitoring:
- How do you group multiple circuit sensors in the Energy Dashboard?
- Do you keep lighting and sockets separated, or do you aggregate them per floor?
- Do you create helper sensors to combine values?
- Any useful automations based on per-circuit monitoring?
I feel like there’s a lot of potential here, and I’d love to hear how others are taking advantage of this level of granularity.