Most photovoltaic solar cells can only hope to achieve about 15-20% efficiency. Much of the solar energy that strikes the cells is either reflected away or lost as heat energy. But solar collectors at Kalahari Greentech have achieved 74% efficiency. The energy company that specializes in solar technology and wind energy research had its solar [...]
Continue reading about Solar Collectors at Kalahari Greentech Achieve 74% Efficiency
In the face of steeply rising oil prices and political turmoil in the Middle East, there is new urgency in finding a solution to our uncertain energy future. Breakthroughs in new materials and ingenious designs for solar collectors are transforming the technology into a vastly cheaper, more efficient alternative. NOVA presents the latest thinking from [...]
Continue reading about NOVA: Solar Energy – Saved by the Sun (2007)
