For residential, commercial, industrial, MSMEs, institutional

For residential, commercial, industrial, MSMEs, institutional in Tamil Nadu, All States and UTs — Pan India — this guide covers the Tamil Nadu Solar Energy Policy 2019 / TN Green Energy Policy 2023 (TEDA / TANGEDCO). Administered by Tamil Nadu Energy Development Agency (TEDA) / TANGEDCO / Energy Dept., Govt. of Tamil Nadu. Below are subsidy rates, eligibility, technical rules, documents, and scheme process.

Subsidy benefits

• Central CFA: up to ₹78,000 (PM Surya Ghar)
• TN state additional: 30% residential subsidy (TEDA)
• 20% commercial (MSMEs)
• TN Solar Energy Policy 2023: additional capital aid for MSMEs rooftop
• Agricultural solar pumps: 60% (PM KUSUM)
• TN specific: free/subsidised power for farmers (separate scheme under state budget)

Authority and scope

• Government body: Tamil Nadu Energy Development Agency (TEDA) / TANGEDCO / Energy Dept., Govt. of Tamil Nadu
• Nodal agency: TEDA (Tamil Nadu Energy Development Agency)
• Eligible for: residential, commercial, industrial, MSMEs, institutional
• Installation type: Rooftop + ground-mounted + floating solar (Mettur Dam pilot)

Eligibility and disbursement

• Open to multiple consumer categories.
• Income restrictions: No restriction; priority access for MSMEs and industrial sector.
• Disbursement timeline: 30–60 days post-commissioning
• Disbursement mode: DBT via TANGEDCO portal; state component via TEDA

Net metering and technical rules

• Net metering is available under this scheme.
• Net metering policy: TNERC (Rooftop Solar Power Plants, Net Metering and Grid Interactive Distributed Renewable Energy Sources) Regulations

• 1 kW–1 MW net metering. Annual energy settlement. DISCOM: TANGEDCO (all of Tamil Nadu); TNEB (Electricity Board parent entity).
• Gross metering policy: TNERC feed-in tariff for systems above 1 MW. Tamil Nadu Green Energy Corridor (TNGEC).
• Hybrid policy: TN RE Policy 2023 allows solar + wind hybrid in coastal + Tirunelveli wind zones.
• DISCOM requirements: TANGEDCO: All Tamil Nadu (zones: Chennai North/South/Central, Coimbatore, Madurai, Salem, Trichy, Vellore, Tirunelveli). TNEB: Parent body. Single-DISCOM state — simplified application.

How to apply

Apply on TANGEDCO solar portal or pmsuryaghar.gov.in

TANGEDCO feasibility check

TEDA-empanelled vendor selection

Installation (15–30 days) + net meter application

TANGEDCO inspection + commissioning

Central CFA + TEDA state subsidy credited via DBT

Documents required

• Aadhaar card
• Electricity bill (EB number)
• Property documents (Patta / sale deed)
• Bank account details
• Passport photo
• Structural certificate for roof

Additional details

• Scheme budget: TN target: 20 GW RE by 2030; 10 GW solar. PM Surya Ghar: 2+ lakh registrations.
• Target beneficiaries: All TN consumers. Key areas: Chennai (600xxx), Coimbatore (641xxx), Madurai (625xxx), Tiruchirappalli/Trichy (620xxx), Salem (636xxx), Tirunelveli (627xxx), Vellore (632xxx), Erode (638xxx).
• Progress: Tamil Nadu: 7+ GW solar installed (April 2025). Kamuthi Solar Park (648 MW) — once world's largest.