Sydney Morning Herald: Australian solar power researchers have achieved world-beating levels of efficiency, potentially making large solar plants more competitive with other energy sources such as coal.
A team from the Australian Centre for Advanced Photovoltaics (PV) at the University of NSW has achieved 40.4 per cent "conversion efficiency" by using commercially available solar cells combined with a mirror and filters that reduce wasted energy.
It's horse and buggy days as far as solar is concerned at the moment....