2. For a balcony solar power system without storage, the proportion of energy used is 42.42% and is rounded down to 40% in the example above. Data is based on 40,500 data points from Anker SOLIX users in Germany during 2024.
3. The self-consumption rate of balcony power plants with storage factors in ideal consumption time and conversion efficency, deriving from data analysis from Berlin University of Applied Sciences (HTW): (Quelle: https://solar.htw-berlin.de/rechner/unabhaengigkeitsrechner).
4. Annual electricity savings are based on energy rates of €0.40/kWh, which was taken from the official average electricity rate in Germany during H2 2022.