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Searches 20 answers, documents for 214 models and the installation, app and warranty guides.
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What would a balcony system save you?
Pick a city and the number of panels. The estimate updates as you change them.
Number of panels
Example: Berlin, 4 panels.
Savings per year€121
Yield per year 578 kWh
≈ converted at the reference rate of 2026-09-25
Open the full calculatorBased on 240 W panels and 60 % self-use. Mounting: Vertical on a south railing. An estimate, not a yield guarantee. ●
Still stuck?
Describe the problem, add the serial number and a photo. We reply within one working day. ●