futurescope:Solar concrete wall developed in Germany“Solar-aktive Betonfassade”. Sounds good, right?
futurescope:Solar concrete wall developed in Germany“Solar-aktive Betonfassade”. Sounds good, right? Reckli and Heliatek have developed a solar-active concrete wall for sustainable, net-zero energy buildings. Technical term: Building integrated organic photovoltaic (BIOPV).With an installed power of 1kWp, the south-west oriented wall (3 rows of concrete modules with vertically mounted integrated solar film, total area: 16,80 m x 3,50 m) will supply around 500 kWh of electricity per year. The annual energy output is expected to be about 25% above the yield of silicon technology.[press release] -- source link