I don't know exactly what it is you want, so correct me if I'm wrong. You want a program that can do the following (Please correct if I am wrong or missed something):
1) Show all information about an RF meter
2) Enable or disable the RF meter's output
Now, I don't know exactly how to save the addresses of each meter, and a graphical interface is beyond my capabilities, but I can make a program that can enable, disable and show the energy readings on meters. When I get more proficient in Lua, I'll post an update that highlights (And shows in a different colour for visibility) but f