Integrating solar into India's grid: challenges and opportunities
Every rooftop system that exports to the grid is a small, independent generator the grid operator has to account for — at national scale, millions of them add up to a real engineering problem.
The duck curve, at rooftop scale
Midday solar generation across a dense urban feeder can exceed local demand, creating the same “duck curve” utility-scale grids see — a steep drop in net demand around noon, followed by a steep evening ramp as the sun sets.
Why storage is the missing piece
Battery storage — at the home level or the grid level — is what lets that midday surplus get used in the evening instead of being curtailed, which is why hybrid adoption is being watched closely as rooftop solar scales.
What this means for new installs today
None of this changes the economics of an individual rooftop system today, but it's part of why DISCOMs are gradually tightening export rules — a trend worth knowing about, not worrying about.
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