DRAFT — outline only. Do not publish until the figures below are verified. Keep this guide inactive until it is written.
Angle: What builders/owners must include (solar, RWH) in new construction.
This guide must answer: - What green mandates apply to new NCR construction? - Above what plot/built-up size? - Which of solar, RWH, etc. are required? - How they vary by body.
Writing rules: answer the question in the first two sentences, put a real number in the opening paragraph, name the specific city or DISCOM where the answer varies, and link to two related guides and the relevant category page.
Verify before publishing: Current green-building bye-laws per body — verify, these change.
Related reading
PM Surya Ghar: the rooftop solar subsidy, explainedSubsidyWhat rooftop solar actually costs in Delhi NCR in 2026CostsRooftop solar price in Faridabad 2026 — full cost breakdownCosts
Last updated 4 August 2026 · Reviewed by the RenSetu team