Energy monitoring using cayenne and raspberrypi

I have succesfully installed cayenne on my raspberry,Now i want to monitor power factor,current,voltage,active power,reactive power,apparentpower,power consumed and tariff on my dashboard.Please give me steps to do it and code for it as well.Thank you in advance

…so…
code, engineer and design it?
…is that all?
-would you like onion rings with that?