If you want to expand your E-Max Energy Meter to be able to track your electricity usage online, check out the Efergy Engage Hub Solo.
This Engage Hub Solo make existing Efergy Elite, E2 Classic and E-Max power monitors able to talk to the internet. All you need to do is pair the Efergy Engage to your transmitter and then run an Ethernet cable to your router. You can now access all your energy data from anywhere.