India’s solar power generation capacity could decline by 600-800 gigawatt-hours (GWh) before mid-century due to the combined effects of air pollution and climate change, a recent study has projected.

Conducted by researchers from the Indian Institute of Technology (IIT), Delhi, the study highlights that northern, western, and southern power grids—where most of the country’s solar parks are located—will face significant challenges in maintaining efficiency as climate patterns shift.

One of the key findings points to airborne pollutants as a major factor affecting solar power output. These pollutants absorb and scatter sunlight, reducing the amount of solar radiation reaching the Earth’s surface, thereby lowering energy generation potential.

With India heavily investing in renewable energy to meet its climate goals, the study underscores the need for mitigation strategies, including improved air quality management and adaptation measures to sustain solar energy production.