“India is making a big push for solar energy, with power capacity expected to double this year. But some of the gains, especially in north India, could be offset by a growing problem: air pollution.
A new study, the first of its kind in India and one of a handful globally, has found that dust and particulate matter (PM) may be reducing the energy yield of solar power systems in north India by 17-25 per cent annually.”
The Economic Times

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Air pollution in India reducing solar power yield by 17-25%: Study