- Tamil Nadu's distribution utility is TANGEDCO, under TNEB.
- Solar feasibility and net metering run on the USRP portal (verify the URL).
- PM Surya Ghar empanelment is per-DISCOM — TANGEDCO only, not portable.
- The central subsidy (₹78,000 cap at 3 kW+) applies; check sub-5 kW net-meter fees.
- All portal URLs, fee rules and timelines below are estimates — verify with TANGEDCO.
PM Surya Ghar Tamil Nadu empanelment runs through one main utility — TANGEDCO — and one solar portal, USRP. That makes the state simpler than the multi-DISCOM ones, but the local feasibility, net-meter and fee rules still decide whether your jobs clear cleanly. This guide is for the EPC owner, not the homeowner.
Tamil Nadu at a glance for solar EPCs
Tamil Nadu has strong solar resource and one of India's largest installed renewable bases, so both demand and supply are healthy. For a PM Surya Ghar EPC, the local picture is centred on TANGEDCO and its USRP solar portal. The central scheme rules are the same as everywhere; the ground process — feasibility, net metering, inspection and any fees — is run by the state utility.
The national numbers do not change in Tamil Nadu. The central subsidy is ₹30,000 per kW for the first 2 kW plus ₹18,000 for the third kW, capping at ₹78,000 for a 3 kW or larger home system. The subsidy is calculated on the MNRE benchmark cost and paid to the customer by direct bank transfer after commissioning and net-meter installation.
The TANGEDCO / TNEB structure
TANGEDCO — the Tamil Nadu Generation and Distribution Corporation, under the TNEB umbrella — is the utility that runs distribution and rooftop solar across the state. Unlike states split into several DISCOMs, Tamil Nadu is served largely by TANGEDCO, so you have one main empanelment to maintain rather than several.
One utility, statewide
The single-utility structure is an advantage for an EPC: one empanelment, one portal, one set of rules to learn. The trade-off is that the queue and process are shared statewide, so a busy period at TANGEDCO can slow files everywhere at once. Confirm the current empanelment requirement and any regional offices with TANGEDCO directly.
Empanelment for EPCs in Tamil Nadu
Empanelment is the two-layer process used everywhere under PM Surya Ghar: register your firm nationally, then empanel with the state DISCOM — here, TANGEDCO. Because empanelment is per-DISCOM and not portable, your TANGEDCO listing covers Tamil Nadu only.
Register on the National Portal
List your firm on pmsuryaghar.gov.in with PAN, GST, a Tamil Nadu electrical contractor licence, at least three trained technicians and your Performance Bank Guarantee. Pick Tamil Nadu as an operating state.
Empanel with TANGEDCO
Empanelment is per-DISCOM. Empanel with TANGEDCO for the Tamil Nadu areas you serve and verify the current requirement, vendor list and USRP process on the utility's own site.
Apply on USRP for feasibility
After a homeowner selects you, apply on the USRP solar portal for feasibility and the net-metering agreement. Confirm the current USRP URL and steps with TANGEDCO before you start.
Install, then apply for the net meter
Install the system, apply for the net meter and joint inspection, and get the commissioning certificate. The certificate unlocks the customer's subsidy claim and DBT.
The document set and the Performance Bank Guarantee follow the national rules: PAN, GST, a valid Tamil Nadu electrical contractor licence, a cancelled cheque, at least three Suryamitra or SCGJ-trained technicians, and the PBG. Our vendor registration guide has the full checklist, and the empanelment-by-state guide explains why the listing stops at the state line.
The USRP portal and net metering
USRP is the TANGEDCO online portal for rooftop solar — feasibility, the net-metering agreement and the net meter all flow through it. After a homeowner picks you on the National Portal, the USRP process handles the technical and metering side. Confirm the current USRP URL and steps with TANGEDCO, because the portal and process get updated.
The net-metering sequence
The flow follows the national pattern: apply for feasibility, get the sanction, sign the net-metering agreement, install the system, then apply for the net meter and joint inspection. TANGEDCO sets the meter and issues the commissioning certificate, which unlocks the subsidy claim. Our net-metering process guide walks the full sequence step by step.
Watch the fee and deposit details
Net-meter charges, security deposits and any application fees vary by load slab and change over time. Build the current numbers into your quote so the customer is not surprised at the meter stage. Verify the current sub-5 kW net-meter fee policy with TANGEDCO before you promise a price.
Feasibility and sanctioned load
Most home systems clear feasibility because they sit inside the customer's sanctioned load. Under the Electricity (Rights of Consumers) Rules 2020, rooftop systems up to 10 kW have deemed feasibility, so a small home system should not be blocked on technical grounds. Larger systems need a feasibility study and may need a load enhancement.
If the system you propose is bigger than the sanctioned load, enhance the load before you apply for net metering. Doing it in the wrong order stalls the file. Confirm the current sanctioned-load and net-metering caps with TANGEDCO, because these limits vary and get revised.
Subsidy and Tamil Nadu state specifics
The central PM Surya Ghar subsidy applies in Tamil Nadu exactly as it does nationally: ₹78,000 for a 3 kW or larger home system, on the MNRE benchmark cost, paid to the customer by DBT. For RWAs and group housing, the scheme allows ₹18,000 per kW for common facilities up to 500 kW.
Whether Tamil Nadu adds a state top-up on the central subsidy changes and is easy to overstate. Do not promise an add-on you have not confirmed. Verify any current state top-up or local policy with TANGEDCO and the Tamil Nadu energy department before you quote. See the subsidy amount and cap guide for how the central slabs are calculated.
Tamil Nadu market context for EPCs
Tamil Nadu has a mature solar industry, an established C&I segment, and a competitive residential market — installers like Kondaas and Synergy already rank well for homeowner queries. The EPC-empanelment angle is less crowded, which is where a well-run firm wins on delivery and reliability rather than price alone. Estimated search demand for these terms is moderate, in the low hundreds to a thousand a month, but it is an estimate.
Compliance is the same gate as everywhere. Modules must be on the ALMM List, and from 1 June 2026 the cells must be on ALMM List-II for PM Surya Ghar jobs. A non-ALMM or non-DCR mismatch is a flat subsidy rejection, so lock sourcing to compliant stock. Our ALMM List-II and DCR guide covers the cell deadline in detail.
Disbursement experience on the ground
The subsidy is paid to the customer, not the EPC, so your cash flow depends on a clean file and a released DBT. The scheme target is 15 to 30 days after the commissioning certificate; in practice EPCs across states report 30 to 90 days or more, and these are field estimates, not promises.
The most common delay is a name mismatch across the Aadhaar, electricity bill and bank account — the NPCI check is strict. Make those three names identical before you submit. Then track the claim to release: our subsidy claim tracking guide shows how to chase a stuck DBT without losing the thread.
How SuryaHub helps Tamil Nadu EPCs
The work that gates the subsidy is the work that gets dropped under load. SuryaHub keeps the TANGEDCO login, every USRP step, document set and PBG renewal date in one place, and runs each job from lead through DISCOM and net-metering steps to subsidy-claim tracking. Nothing that gates the DBT or your rating slips. SuryaHub is pre-revenue; the real pilots are Suryantra Energy and RGESPL, and the figures here are scheme facts, not guarantees.
Run TANGEDCO jobs end to end
See how SuryaHub tracks USRP steps and the DBT from lead to subsidy claim.
Related guides
Frequently asked questions
How do I empanel for PM Surya Ghar in Tamil Nadu?+
To empanel for PM Surya Ghar in Tamil Nadu, register your firm on the National Portal, then empanel with TANGEDCO for the areas you serve. Empanelment is per-DISCOM and not portable. Verify the current TANGEDCO requirement, vendor list and USRP process on the utility's own site before you apply.
What is the USRP portal in Tamil Nadu?+
USRP is the TANGEDCO online portal used to apply for rooftop solar feasibility, the net-metering agreement and the net meter in Tamil Nadu. It runs alongside the PM Surya Ghar National Portal. Verify the current USRP URL and the exact steps with TANGEDCO, because the process changes.
Are there net-meter fees for sub-5 kW systems in Tamil Nadu?+
Net-meter fee policy for small rooftop systems in Tamil Nadu changes and varies by load slab. Do not assume a sub-5 kW system is fee-free. Verify the current net-meter fee and deposit policy with TANGEDCO before you quote the customer, so the price you promise is the price they pay.
Does TANGEDCO empanelment cover other states?+
No. TANGEDCO empanelment covers Tamil Nadu only. PM Surya Ghar empanelment is per-DISCOM and not portable, so it does not carry to Karnataka, Kerala or any other state. An EPC working across states must empanel with each state's DISCOM separately and carry a PBG for each.
How long does PM Surya Ghar subsidy take in Tamil Nadu?+
The PM Surya Ghar subsidy in Tamil Nadu is paid to the customer by direct bank transfer after commissioning and net-meter installation. The scheme target is around 15 to 30 days, but field experience is often 30 to 90 days or more. Treat any timeline as an estimate and verify with TANGEDCO.
How does SuryaHub help PM Surya Ghar EPCs in Tamil Nadu?+
SuryaHub keeps the TANGEDCO login, every USRP step, document set and PBG in one place, and runs each job from lead to subsidy claim so nothing that gates the DBT is missed. SuryaHub is pre-revenue; real pilots are Suryantra Energy and RGESPL.
Sources & references
TANGEDCO details, the USRP portal, fees and any state top-up change often. The figures here are estimates — always confirm the current process with TANGEDCO and the National Portal before you apply or quote.
- TANGEDCO (TNEB) ↗
Tamil Nadu distribution utility — USRP solar applications, net metering and feasibility rules.
- National Portal for PM Surya Ghar ↗
Vendor registration, the consumer application flow and subsidy DBT.
- Ministry of New & Renewable Energy (MNRE) ↗
Scheme guidelines, subsidy slabs and the ALMM/PBG rules.
Written by the SuryaHub team · reviewed against TANGEDCO, MNRE & National Portal sources · updated 19 June 2026.
Method: State steps, the TANGEDCO/TNEB structure and USRP details are taken from the government sources above and re-checked every 30 days. All Tamil Nadu portal URLs, fee rules and timelines are estimates — verify with TANGEDCO. SuryaHub is pre-revenue; only Suryantra Energy and RGESPL are real pilots.
Change log: 19 Jun 2026 — first published.