TNPSC Thervupettagam

Residential Rooftop Solar Installation in Tamil Nadu

November 11 , 2025 3 days 167 0
  • The installation of residential rooftop solar energy systems in Tamil Nadu remains low.
  • The penetration of rooftop solar as a percentage of annual electricity demand is 1.55% in Tamil Nadu, 8.07% in Kerala, and 6.43% in Gujarat.
  • Total installed rooftop solar capacity is 1.13GW in Tamil Nadu, 1.44GW in Kerala, and 5.84GW in Gujarat.
  • National schemes such as THE PM Surya Ghar and Kisan Urja Suraksha evam Utthaan Mahabhiyan (KUSUM-C) offer up to 60% subsidies and concessional loans for households and farmers.
  • For 1kW of rooftop solar, the system can generate about 5 units of electricity per day, averaging 150 units per month.

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