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Updated 2026Tamil Nadu

Solar Subsidy in Chennai — Complete 2026 Guide

State
Tamil Nadu
DISCOM
TANGEDCO
Avg tariff
₹5.30/unit
Peak sun hours
5.3 hrs/day

For official state-level process details, see the Tamil Nadu subsidy guide.

Open state page

Calculate your subsidy in Chennai

Calculations use official PM Surya Ghar central subsidy rules and public state policy references where available.

Chennai rooftop solar facts

City snapshot

  • State: Tamil Nadu
  • DISCOM: TANGEDCO
  • Tariff benchmark: ₹5.30/unit

Solar potential

  • Peak sun hours: 5.3 hrs/day
  • Actual generation varies by season, shading and rooftop tilt.

Next steps

  • Apply via PM Surya Ghar portal + DISCOM feasibility.
  • Complete inspection + commissioning to unlock DBT subsidy.

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