Energymeters most stable and good gui? (Sweden)

I am looking after good energy meters for several objects. 1 phase and 3 phase. 10 to 20 A.
I want a stable connection and a good gui.

What is recomended?

I want to mix energymeters for network like Eyedro, socket plugs with energy meters (zwave or zigbee) and with a eye to attach on Meters that have a blinking LED light with a standard output rate of 1000 pulses/kWh.
And one gui to see all these meters, Possible?


What country are you in? The device selection does vary.

Hi, Sweden.