Photovoltaic sun tariff change, solar battery

Hello everyone, I have a photovoltaic system on the roof and a corresponding battery. I originally signed my contract through Sonnen, so I also have a Sonnen battery storage. Meanwhile, I'm not so sure anymore if Sonnen is the right choice for me. I do have a free electricity allowance (which also gets smaller each time), I have a monthly installment, and I also submit my EEG to Sonnen. I'm not a super genius, but the simple back-of-the-envelope calculation makes me believe that I would be better off elsewhere. Does anyone have experience with canceling Sonnen in favor of another provider? Are there problems with the battery since it is from Sonnen? Will I continue to use the Sonnen app, or will the app from the other provider get the information from the Sonnen battery? I would like to switch to a dynamic electricity provider. So if anyone has experience, please enlighten me. Many thanks in advance.

Hello Benben79 and everyone,

I have the same problem and would also like to get smarter.

I would also be grateful for answers/help.

Thank you very much and best regards

I am not a super genius, but the simple milkmaid calculation makes me believe that I am better off somewhere else.

Your simple milkmaid calculation is very likely correct. Many of these contracts were sold with the technically convoluted logic that you would "get your" electricity back and that it would therefore be cheap.

Does anyone have experience with cancelling Sonnen to another provider?

What exactly do you mean by provider?
How you can cancel and what exactly you are cancelling is stated in your contract.

I would like to switch to a dynamic electricity provider.

You are in danger of falling for the next sales trend. A dynamic tariff becomes a cost trap as soon as a few people in the household do not think about electricity consumption and use consumers at the wrong time with the wrong intensity. To my knowledge, you have a purely DC-coupled battery that offers you no buffering effect in winter at all.
Dynamic tariffs can be great, but can also turn into a financial fiasco.

Benben79 probably means by dynamic provider any other electricity provider that currently has good prices...