On-Grid Solar System Cost in India (2026 Guide)

Fortunately, nowadays we have various mediums of natural resources to meet all our energy requirements. Solar power is one of them, which is renewable, unlimited, sustainable and highly cost-effective. An on-grid solar system is simply a grid-connected energy setup that directly connects to the public electricity grid. With such a solar-energised system, you can easily generate your own electricity while staying connected to the conventional power supply. Rising electricity prices have become a major concern for many, and solar systems are considered the best alternative to mitigate these expenses. Besides that, you will also find it more economically feasible because of the net-metering capabilities. This article will provide you with detailed clarity about the On-Grid Solar System Cost in India. On-Grid Solar System Cost by Capacity The best part of having an on grid solar system is that it is available in different capacities and costs for energy consumption. Now, let us take some of the below-mentioned facets related to this: 1. 1Kw On-Grid Solar System Cost It will cost you approximately Rs 79,000 for a 1Kw on gird solar system for home in India. You need to note that this expense will be based mainly on the installation costs of the solar panels, along with the inverter components. Both solar panels and the inverter components will be the main parts of your solar system. It is also important to consider the potential savings and long-term benefits while you are thinking about the on gird solar system cost aspects. The 1Kw on-grid solar system is considered one of the most affordable options, especially for small homes. You will also get to enjoy a payback period of 4 to 6 years, with most of the installation services available. 2. 2Kw On-Grid Solar System Cost The on gird solar system cost with 2Kw capacity is estimated to range between Rs 1,40,000 to Rs 1,70,000 in India. However, this pricing range is based on the solar panel quality, complexities involved with the installation procedures and the national average. The 2Kw On grid Solar system is ideal for apartments with higher monthly electricity bills. It helps you to save big time on your energy consumption and the expenses for power utilisation. 3. 3kW On-Grid Solar System Cost The cost for a 3Kw on-grid solar system in India is estimated to be around Rs 1.2 Lakhs to 1.7 Lakhs. This is inclusive of the installation charges, solar PV modules, structure and inverter. A well-installed 3Kw solar system is expected to last more than 25 years and will help you to significantly reduce your electricity expenses. The 3Kw is found to be more suitable for medium-sized household energy requirements. 4. 5kW On-Grid Solar System Cost The on gird solar system cost with 5Kw capacity ranges between Rs 3.10 Lakhs and 3.47 Lakhs. The cost can vary depending on the types of inverters used, required battery backup and solar panel configuration. Another best aspect of getting a 5Kw solar system is that you will be eligible for the subsidies granted by the PM Surya Ghar Yojana. This makes it more affordable to harness solar power for meeting your energy requirements. The 5Kw solar system is found to be ideal for villas, large homes and medium commercial establishments. 5. 10kW On-Grid Solar System Cost The cost for a 10Kw on-grid solar system is found to be approximately between Rs 5,21 Lakhs and Rs 6 Lakhs. This ultimately depends on the solar panel configuration, types of inverters and the required battery backup for the solar system setup. A 10Kw in-grid solar system is considered ideal for larger homes and commercial establishments. On-Grid Solar System Cost After Subsidy (2026) India’s solar mission is believed to be one of the most promising in recent times. Among the various subsidy programs initiated by the Government, the MNRE solar subsidy is backed by huge financial support. The vision is to significantly reduce the installation costs for users and help them harness the unlimited power of solar energy. Getting a government-based subsidy to function the on gird solar system for home will prove to be economically feasible. For instance, the overall cost for a 3Kw solar system in 2026 can be significantly reduced by approximately Rs 40,000 to Rs 60,000 after subsidy. Based on different on-grid system capacities, the Government provides subsidies, which are highly encouraging to switch over to solar power for energy. India’s MNRE solar subsidy program offers numerous subsidy schemes for commercial and residential users. Depending on the size of the rooftop on-grid solar system, residential users can avail subsidies that range between Rs 30,000 and Rs 78,000. Compared to residential users, solar subsidies for commercial firms are considered to be limited because direct capital subsidies are usually not available. However, the incentives are still there, and businesses benefit by choosing the best solar company. This will help to ensure proper system configuration that aligns with the solar subsidy program. Factors Affecting On-Grid Solar System Cost Various factors can determine your on-grid system cost, such as: Monocrystalline solar panels (Mono) consist of black-coloured solar cells. They are made of a single silicon crystal and come with a higher efficiency rating. On the other hand, Polycrystalline solar panels (Poly) consist of blue-coloured cells. They are made of many silicon crystals that are melted together. Poly-type solar panels are considered to be comparatively more affordable. The brand of inverter you use is a prominent factor that impacts the quality and cost of your on-grid system. It is highly recommended to use a branded inverter for better energy efficiency and cost-effectiveness. When considering your on-grid solar system installation cost, you need to check whether the following facets regarding the rooftop type and structures are in place: 1. Proper condition of the rooftop 2. Strong rooftop structure to withstand the weight of the system 3. Proper angles and orientation of the solar panels The quality of installation and wiring is a central factor that can determine the cost of your on-grid solar installation. Ensure