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New Hertfordshire Install - Fox H1 6kW G2 WL + EP12 + 6 x JA Solar 450W Panels

Posted: Mon Sep 07, 2026 5:20 pm
by AndyJ56
Hello from Hertfordshire.

We've just had the above system installed by Solar Bureau, a local provider who do a lot of local authority installs. This forum was invaluable pre sale and since the install in helping get Home Assistant control and monitoring up and running so wanted to take part and share our experience to contribute back to it.

For various reasons we didn't get access to the Fox Cloud app initially so HA has been the primary way we have interacted with the system from day 1 which in some ways has been helpful as we were always going to use this for some of the export automation we planned to do. Worth noting that the wifi connection has been rock solid since installation despite it being in a poorly covered side passage. Fox ESS Modbus on HA has also been really impressive in its stability and ease of use. I'm not a long term HA user but have learnt as we've gone along.

Only issue so far have been an initial missing CT clamp to isolate our Hypervolt Charger which is now fixed.

Next step is to get our export working which is in train and we should be on Agile Outgoing shortly. This sits alongside our Agile Intelligent Go import tariff which works great with our EV. So currently investigating automation of export against peak rates and also watching Will's video about Axle VPP.

Thanks again for an amazing resource and all the YouTube stuff too.
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Re: New Hertfordshire Install - Fox H1 6kW G2 WL + EP12 + 6 x JA Solar 450W Panels

Posted: Tue Sep 08, 2026 10:08 am
by MaterialBarracuda48
A nice looking install, not seen many flat roof installs.


I am not sure that Axle (which is great BTW) is technically compatible with IOG due to overlapping schemes.
Intelligent Octopus Go is a VPP platform AFAIK as it can turn charging on/off due to demand.

A recent Q&A from Axle themselves, 8m 21s onwards.
https://www.youtube.com/watch?v=TlAlszJGLe4