Solar PV and Smart Meter

Solarchaser

My fit provider fitted a smart meter, they still used deemed 50%, I then went to a different company, they still do deemed 50%.
I've had another smart meter fitted by current provider, they still do 50% 

paul991

when i had  my pv installed 2014 ,there were a lot of people on diff forums  like Sheffield solar complaining about  faulty readings when new  meters fitted generation 1 is this still the  case