Documents Required for Rooftop Solar & Subsidy in Tamil Nadu (2026 Checklist)

Getting your paperwork right is what keeps a solar installation on schedule. The wrong name on a bill or a missing document is the most common reason subsidy claims stall for weeks in Tamil Nadu. This checklist covers every document you need — for homes, apartments and businesses — so you can have it all ready before you begin and get your PM Surya Ghar subsidy without delays.

Core Documents for Home Rooftop Solar

For a standard residential installation and PM Surya Ghar subsidy claim in Tamil Nadu, keep these ready:

• Recent TANGEDCO electricity bill — links the system to your service connection number; a bill from the last 1–2 months is best.
• Aadhaar card — primary identity proof for subsidy registration.
• PAN card — additional identity and financial verification.
• Address proof — Aadhaar, passport, ration card or registered property document showing the installation address.
• Bank account details — passbook or cancelled cheque; the subsidy is credited here directly.
• Passport-size photograph — of the applicant.
• Photograph of the rooftop — for initial feasibility and design.
• Mobile number & email — for portal registration and OTP verification.

Why the Name on Each Document Matters

This is the single biggest cause of subsidy delays in Tamil Nadu, so it's worth getting right before anything else. The electricity connection, Aadhaar, and bank account should ideally be in the same name. If your TANGEDCO bill is in a parent's or spouse's name — very common in older homes — you have two clean options: transfer the electricity connection to your name, or make the entire subsidy application in the name that's already on the bill, using that person's Aadhaar and bank account. Trying to mix names across documents is what triggers rejections and re-submissions.

Additional Documents for Apartments & Housing Societies

Apartments and gated communities have a shared rooftop, so a few extra papers are needed on top of the core list:

• NOC from the association — a No Objection Certificate from the apartment association or resident welfare body permitting the installation.
• Society resolution — a resolution authorising use of the common rooftop for solar, where applicable.
• Society electricity connection details — for common-area or shared systems.
• Authorised signatory ID — for the person signing on behalf of the society.

The apartment side has more moving parts — our guide to solar for apartments in Chennai explains the NOC and shared-metering process in detail.

Additional Documents for Commercial & Industrial Solar

Businesses installing rooftop solar in Tamil Nadu typically also need:

• Business registration proof — GST certificate, incorporation certificate or equivalent.
• Commercial/HT electricity bill — for the business connection.
• Property ownership or lease document — proving rights to the roof.
• Authorised signatory documents — board resolution or authorisation letter, plus signatory ID.

Subsidy applicability differs for commercial installations compared to residential PM Surya Ghar. We'll advise on what applies to your specific case.

Documents at a Glance

Where These Documents Are Used

Your papers feed into two parallel processes, and a full-service installer submits to both for you:

For how these steps fit into the overall journey, see our solar installation process guide, and for the subsidy itself, our PM Surya Ghar application guide.

Tips to Avoid Document Delays

A few simple habits keep your application moving: make sure the name is consistent across the bill, Aadhaar and bank account; use a recent electricity bill rather than an old one; keep clear scans or photos of every document ready in advance; double-check your bank account number and IFSC before submission since the subsidy is credited there; and choose an installer who compiles and submits the paperwork for you rather than leaving you to navigate the portals alone.

Frequently Asked Questions