The latest firmware (above 2.75.66) can support MQTT upload. You can send the data of the WiFi energy meter to your own MQTT server.
MQTT home energy meter, MQTT energy monitor
Run Mode: TCP
Tcp Address: mqtt://[URL of your mqtt server]:[port]
Authentication mode: ClientID without password or Anonymous
If everything is OK, you will be able to subscribe the corresponding topic from MQTT server now.