India's ambition to achieve 500 GW of renewable energy capacity by 2030 has translated into some of the most generous rooftop solar subsidy programs in the country's history. For homeowners and small businesses considering solar energy, understanding these financial incentives is essential — because the right subsidy can reduce the upfront cost of a rooftop solar system by as much as 40–60%. Central to qualifying for these benefits is the installation of a solar on grid inverter, which is a mandatory component under most government-approved scheme criteria.
PM Surya Ghar Muft Bijli Yojana — The Flagship Scheme
Launched in early 2024, the Pradhan Mantri Surya Ghar Muft Bijli Yojana is the central government's most ambitious residential solar program to date. The scheme aims to install rooftop solar systems in 1 crore households across India, with a total budgetary outlay of ₹75,000 crore.
Under this scheme, eligible homeowners receive a direct subsidy credited to their bank account after system installation:
- For a 1 kW system: ₹30,000 subsidy
- For a 2 kW system: ₹60,000 subsidy
- For a 3 kW system and above: ₹78,000 subsidy (capped)
Additionally, the scheme promises 300 units of free electricity per month to beneficiaries — achieved through net metering credits — making it one of the most financially transformative programs for middle-class Indian households.
Eligibility Criteria
To qualify for the PM Surya Ghar subsidy, applicants must meet the following conditions:
The property must be a residential unit with an active electricity connection from a registered DISCOM. The solar PV system must be installed by an empaneled vendor listed on the National Portal for Rooftop Solar (www.pmsuryaghar.gov.in). The system must use panels manufactured in India (Domestic Content Requirement or DCR-compliant panels) and be connected to the grid through an approved on-grid inverter. The application process is handled entirely online through the national portal, and the subsidy is disbursed directly into the applicant's Aadhaar-linked bank account after net meter installation and inspection.
State-Level Subsidies — Additional Layers of Support
Beyond the central government scheme, several state governments offer additional subsidies and incentives that can be stacked on top of the PM Surya Ghar benefits:
Maharashtra: MSEDCL and MEDA (Maharashtra Energy Development Agency) offer implementation support and facilitated net metering connections for residential and commercial consumers. The state also runs its own rooftop solar promotion schemes through its energy departments.
Gujarat: One of India's most solar-progressive states, Gujarat offers additional incentives through GEDA (Gujarat Energy Development Agency) and has among the most efficient net metering processes in the country.
Rajasthan, Karnataka, Tamil Nadu, and Telangana: These states offer varying additional subsidies and accelerated depreciation benefits for commercial solar installations, making them attractive destinations for large-scale rooftop projects.
Capital Subsidy vs. Accelerated Depreciation
For commercial and industrial (C&I) entities, the subsidy structure differs from residential installations. Rather than a direct capital subsidy, businesses can avail of accelerated depreciation at 40% under the Income Tax Act on solar energy equipment, including inverters. This effectively reduces the post-tax cost of the solar system significantly in the first year, improving the internal rate of return (IRR) for the project.
Additionally, solar energy systems used in manufacturing or other qualifying industries may be eligible for input tax credit (ITC) under GST, further reducing the effective cost of ownership.
Net Metering Policy — The Ongoing Financial Incentive
Beyond the one-time subsidy, net metering creates a long-term recurring financial benefit for on-grid solar users. Under the Ministry of Power's net metering regulations, DISCOMs are required to allow net metering for residential and commercial consumers up to 500 kW capacity.
The mechanism works as follows: a bidirectional meter tracks both the electricity drawn from the grid and the electricity exported by the solar system. At the end of each billing cycle, the net units consumed (grid consumption minus solar export) form the basis of the bill. In many states, excess generation units can be carried forward to future billing months as credits, effectively making the grid act as a free battery storage system.
How to Apply — Step by Step
- Visit www.pmsuryaghar.gov.in and register using your electricity consumer number and Aadhaar details.
- Select an empaneled solar vendor from the portal's approved list.
- The vendor conducts a site survey, prepares a system design, and submits the application to the DISCOM for technical feasibility approval.
- After DISCOM approval, the system is installed. The vendor applies for net meter installation.
- Once the net meter is installed and the system is commissioned, the consumer submits the completion report on the portal.
- The DISCOM verifies and the central subsidy is disbursed to the consumer's bank account within 30 days.
Choosing the Right System for Subsidy Compliance
Not every inverter on the market qualifies under the PM Surya Ghar and other government schemes. To ensure compliance, look for inverters that are BIS-certified, compatible with DCR and TOPCon high-wattage solar panels (which are required for subsidy eligibility), and approved by the relevant state DISCOM. Grid-connected systems must also meet the CEA (Central Electricity Authority) technical standards for grid interconnection.
For homeowners navigating the subsidy application process and wanting assurance of compliance, working with an established, experienced manufacturer makes the process significantly smoother. Enertech — with BIS-approved, subsidy-compliant on-grid inverters, a network of over 35,000 satisfied customers, and 35+ years of power electronics expertise — provides end-to-end support from system design and installation to DISCOM approvals and net metering commissioning, ensuring you capture every rupee of available government benefit.
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