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  • Writer's pictureKatherine Grant-Rivers

Small-scale solar good for environment, but agrivoltaics might be better

study conducted at the University of Western Ontario compared both large and small solar installations and concluded that small-scale solar systems are better for the environment than even the largest, most efficient, utility-scale solar projects.

Solar is scaling up in the United States and Canada in part because solar energy is the lowest-cost form of new-build electricity in  many markets, according to an energy and resources report by Ernst & Young. It notes that the global weighted average levelized cost of electricity (LCOE) for solar is 29% lower than the cheapest fossil fuel alternative.

To eliminate carbon emissions and meet national clean energy goals, many more solar panels must be installed. A study that looked at the agrivoltaic potential in Canada predicted that it would need only 1% of the nation's agricultural land to offset all fossil fuels for electricity generation. While this is a modest amount of land, the researchers at University of Western Ontario questioned whether it is better for the environment to have a few large-scale solar farms or many smaller rooftop systems.

Credits - Anne Fischer

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