Solar/Battery system - when internet connection is down.

[SouthWestern]

Hi, I am new to solar and so I hope this is not a silly question...
We are looking for a solar/battery system that functions fully, or at least with all essential functionality, when the internet is down or if the cloud servers are down. Is this possible and which manufacturers should we look at?
One system I found the answer for needs the connection and the cloud for virtually all control - and then if the internet and servers do not get back on line, the system is "bricked" - permanently and needing a fresh engineer install. OK that is after 90 days so unlikely but if the company went bust...
Thanks in advance!

[solardreamer]

Is this for a grid-tied system?

[SouthWestern]

Is this for a grid-tied system?

Yes it is.
We have space for either 3kW or 6kW of panels, and are thinking of +/-10kW of battery.
Resilience is an important factor for us, so it should power the house when the grid is down, and function when the internet and/or cloud is down.

[solardreamer]

Yes it is.
We have space for either 3kW or 6kW of panels, and are thinking of +/-10kW of battery.
Resilience is an important factor for us, so it should power the house when the grid is down, and function when the internet and/or cloud is down.

Consider yourself one of the few solar owners smart enough to consider this issue.

Definitely stay away from Enphase and Tesla if you want full visibility and control when there is no Internet/Cloud connectivity. They try to lock customers into their proprietary ecosystems with heavy Internet/Cloud dependence.

Grid-tied vendors that can support fully functional systems without Internet/Cloud connectivity include Growatt, SMA, Hoymiles, Schneider, EG4, etc.

[SouthWestern]

Grid-tied vendors that can support fully functional systems without Internet/Cloud connectivity include Growatt, SMA, Hoymiles, Schneider, EG4, etc.

Excellent! I'll start looking at those... I am in UK so a European supplier would be great if there is not a big price penalty. A system that relies on China-based cloud does not sound so great...

[mman]

Consider yourself one of the few solar owners smart enough to consider this issue.

Definitely stay away from Enphase and Tesla if you want full visibility and control when there is no Internet/Cloud connectivity. They try to lock customers into their proprietary ecosystems with heavy Internet/Cloud dependence.

Grid-tied vendors that can support fully functional systems without Internet/Cloud connectivity include Growatt, SMA, Hoymiles, Schneider, EG4, etc.

I agree to avoid Tesla. Their customer service is so de-centralized that, inevitably when you're going to have a nuanced issue and need to have a single champion or post-of-contact from customer service, you're not going to get it. Avoid Tesla.

[azdave]

Why spend that kind of money on a system that will cease to function fully without an internet connection or proper vendor support? Too many solar companies are going under these days or are failing to support their older customers when they perform updates and break things.

https://www.solarpaneltalk.com/forum/solar-panels-for-home/solar-panel-system-equipment/443648-sunpower-sunstrong-monitoring-situation