Rooftop solar’s uneven rise tests India’s energy ambitions

India's residential rooftop solar initiative is seen as key to easing the burden on the country's strained grid. © AP Despite progress, consumer barriers and differing utility incentives limit uptake BENGALURU — It took three months of research before 25-year-old finance professional Sagar Agarwal took the plunge into rooftop solar, joining an initiative widely recognized as the largest of its kind in the world. But despite being a resident of Lucknow, which in April became the Indian city with the most residential solar installations, he was left frustrated by the friction he encountered — a situation mirrored across the nation, whose lopsided rooftop solar rollout threatens to impinge on energy goals.

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