Balcony solar systems deliver relatively good yields even in winter. This is due to the low sun. The online shop Greenakku offers these complete packages. These include not only balcony solar systems with one or two solar power modules, but also systems with up to eight panels.

Sharp announces an upgrade of five watts for three half-cell modules. The new NB-JD545 is a further development of the NB-JD540. It is a bifacial monocrystalline half-cell module for commercial installations and open spaces.

Module manufacturer Trina introduces the Vertex N 595W. The newly announced Vertex N module offers an output power of up to 595 watts, which is 30 watts more than conventional N-type modules on the market, according to the manufacturer.

Viessmann also has photovoltaic modules in its portfolio with the Vitovolt 300 series. The half-cell module delivers up to 410 watts with efficiencies of up to 21.2 per cent. (mfo)