Harvesting energy from the sun is an attractive proposition. But when you convert solar energy into electricity on a large scale, as so-called "solar farms" aim to do, you run into a number of problems. These range from land use issues to the technical headaches of incorporating new electricity sources into our current grid.

Investigators at UW, the University of Western Ontario, Hydro One and OptiSolar are finding solutions, thanks to an ambitious $4.5 million research collaboration...

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