Sorry, I've not been particularly active on this forum. I am part of the team that runs OpenEnergyMonitor. We resell the OpenEVSE in UK / EU.
Together with Jeremy Poulter we've been working with Chris to develop the OpenEVSE WiFi gateway firmware. We have reached a stable release milestone. This is a substantial update from V1 FW adding lots of new features including a web UI interface and energy diversion capability.
I have posted more about the update on out OpenEnergyMomintor forums:
Full instructions and documentation for the new firmware can be found on the GitHub repo: https://github.com/OpenEVSE/ESP8266_WiFi_v2.x
Update from earlier beta versions of (V2.x.x) is highly recommended. Updating (even from V1) should be possible using the web-UI HTTP updater. See Github releases to download the latest FW: https://github.com/OpenEVSE/ESP8266_WiFi_v2.x/releases
If you wouldn't mind, please post all questions and issues relating to the new FW to the OpenEnergyMponitor forum, it's difficult to track discussions in too many different places!