Tamil Nadu Rooftop Solar Subsidy Scheme

Scheme Introduction: A Brief Overview

The Tamil Nadu Government has announced a new Rooftop Solar Subsidy Scheme in the 2026–27 Budget as part of its efforts to promote renewable energy and increase the adoption of rooftop solar among households. The scheme will be implemented in convergence with the Pradhan Mantri Surya Ghar Muft Bijli Yojana. Under the Budget announcement, eligible domestic electricity consumers in Tamil Nadu will receive financial assistance of up to ₹1 lakh for installing rooftop solar panels. The support is expected to reduce the upfront cost of solar installation and help households lower their electricity expenses by generating power from their own rooftop solar systems.

The scheme will not operate as a standalone rooftop solar initiative. It will be implemented in convergence with the central Pradhan Mantri Surya Ghar Muft Bijli Yojana, under which residential consumers can receive a central subsidy of up to ₹78,000 for a 3 kW rooftop solar system, subject to the applicable scheme conditions. The ₹1 lakh figure announced in the Tamil Nadu Budget is understood to be the combined support available to a household, with the State expected to add an additional amount on top of the existing central subsidy rather than providing a separate ₹1 lakh on its own. The exact structure of the State support and how it will be combined with the central subsidy will be confirmed after the State Government issues the detailed implementation guidelines.

The State Government has allocated ₹50 crore for implementing the Tamil Nadu Rooftop Solar Subsidy Scheme. The initiative is aimed at encouraging more domestic electricity consumers to shift towards clean and renewable energy while reducing their dependence on conventional electricity sources. By supporting rooftop solar installations, the scheme is also expected to contribute to Tamil Nadu's broader renewable-energy objectives.

Tamil Nadu has previously implemented a State-level rooftop solar incentive programme. Under the Chief Minister's Solar Rooftop Capital Incentive Scheme, eligible domestic consumers were provided a State capital incentive of ₹20,000 per kW for grid-connected rooftop solar systems, in addition to the applicable central subsidy. The earlier initiative helped reduce the cost of rooftop solar installations for residential consumers and provides important context for the State's continued focus on promoting household solar adoption.

The new scheme, however, is a new Budget announcement and will operate in convergence with the PM Surya Ghar Muft Bijli Yojana. At present, the scheme is intended for domestic electricity consumers in Tamil Nadu, but the Government has not yet released the detailed implementation guidelines and the scheme is awaiting Cabinet approval. Therefore, details such as the final eligibility criteria, exact subsidy structure, application procedure, required documents, system capacity limits and implementation mechanism are yet to be officially notified.

Once the Cabinet approves the scheme, the Government is expected to issue the necessary guidelines and provide further details for domestic electricity consumers. Until then, the announced assistance of up to ₹1 lakh and the ₹50 crore budget allocation can be treated as the key confirmed details of the proposed Tamil Nadu Rooftop Solar Subsidy Scheme.

Scheme Benefits

The Tamil Nadu Rooftop Solar Subsidy Scheme aims to make rooftop solar installations more affordable for domestic consumers and encourage the use of renewable energy. The scheme will be implemented in convergence with the Pradhan Mantri Surya Ghar Muft Bijli Yojana.

• Domestic consumers can receive financial assistance of up to ₹1 lakh for installing rooftop solar panels.
• The subsidy will help reduce the upfront cost of installing a rooftop solar system.
• Solar power generation can help households reduce their electricity bills.
• The scheme will encourage greater adoption of renewable energy among households in Tamil Nadu.

Eligibility Requirements

The Tamil Nadu Government has not yet notified the final eligibility conditions for the new Rooftop Solar Subsidy Scheme. Based on the available information, the following conditions are tentative and may be revised when the official implementation guidelines are released.

• The applicant should be a domestic electricity consumer in Tamil Nadu.
• The applicant must hold a valid electricity connection
• The rooftop solar system should be installed at the applicant's residential property.
• The applicant should own the rooftop or have consent to install solar panels on it.
• The property should have adequate shadow-free roof space for panel installation
• The solar installation should comply with the applicable requirements under the Pradhan Mantri Surya Ghar Muft Bijli Yojana.
• The applicant may need to meet the technical and other conditions prescribed by the Tamil Nadu Government and the concerned electricity authorities.

Note: The final eligibility criteria, system capacity limits and other conditions will be confirmed by the Tamil Nadu Government through the detailed scheme guidelines.

Required Documents

The Tamil Nadu Government has not yet released the detailed implementation guidelines or the final document list for the new Rooftop Solar Subsidy Scheme. Therefore, the following list is tentative and may change once the government issues the official application guidelines.

• Aadhaar Card
• Recent electricity bill or electricity consumer/service connection details
• Bank account details for subsidy disbursement
• Proof of ownership or occupancy of the residential property, if required
• Passport-size photograph

Steps to Apply

The Tamil Nadu Government has not yet announced the application procedure for the new Rooftop Solar Subsidy Scheme. As the scheme will be implemented in convergence with the Pradhan Mantri Surya Ghar Muft Bijli Yojana, the existing rooftop solar application process may be followed until the State Government issues specific guidelines for the new subsidy.

• The application process for the Tamil Nadu Rooftop Solar Subsidy Scheme has not yet been announced.
• The scheme is currently awaiting approval from the Tamil Nadu Cabinet.
• After Cabinet approval, the Government is expected to release detailed guidelines covering the application process and other implementation details.
• Based on the application arrangements followed under the earlier rooftop solar incentive scheme, applications for the new scheme are expected to be accepted through online and offline modes.
• The online and offline application modes have not yet been officially confirmed by the Government.
• Applicants should wait for the official notification and detailed guidelines before applying for the scheme.

Relevant Links

• Tamil Nadu Power Distribution Corporation Limited
• Tamil Nadu Electricity Board
• PM Surya Ghar Muft Bijli Yojana

Contact Information

• PM Surya Ghar Muft Bijli Yojana Toll Free Number: 15555
• TNPDCL Helpline Number: 9498794987