Reading fluctuates

[admin]

if you no load ON, showed 15-18w, i think you need add these lines for "filters":
- platform: ct_clamp
sensor: ai1
id: Measured_Current_1
name: "Measured Current-1"
update_interval: 5s
filters:
- calibrate_linear:
- 0.0034 -> 0
- 0.31749 -> 8.95608

[Marcinek40]

Ok, it works.  
And where did you get this value 0.034????  how to calculate it

[admin]

when you load turn off, check the RAW code in esphome log output, it showed 0.0034