DESS does not respect the price settings and loses money.
I noticed that DESS (in trade mode) sells from the battery in the evening and buys at a higher price in the morning. Since the price differences are small, I wanted to be sure and tried to change the formula for the purchase price +1EUR. This increased the purchase price tenfold and the price differences are clear. But the DESS algorithm behaves the same. It loses money.
Example in prntscr:
11.9.2025, 9h … I increased the purchase price +1EUR
11.9.2025 19-21h … DESS sells from battery to grid (for 0.14-0.18EUR)
12.9.2025 0-6h … DESS buys from grid to consumption (for 1.18-1.20EUR)
Same problem appears when I using fixed prices. DESS also did not respect the purchase price.
I solved the problem with the Czech importer. He acknowledged the defect and wrote that he does not know why this is happening. He refused to solve it further.
Please advise how to fix it, or repair DESS. This can happen to many customers who are not paying attention.
Petr