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[Peter]

You might want to change pw by Pw (capital P).
In your screenshot we don't see the Pf parameter but make sure it starts with a capital P as well.

Thank you for the help, I made a typo in home assistant too, forgot one of the }.
Is Pf  necessary ? my p1 from home wizard does not display that value .
The P1 does display Amp's in real time.

Again, thank's for the assist