Solar energy is renewable and pollution-free. This green energy and tropical sunlight in India due to its diversified and perfect geographical location. The installation of rooftop photovoltaic (PV) systems is common nowadays. PV cells convert solar energy to direct electric energy. Solar energy generation requires less maintenance. The photovoltaic system has become a major source of global energy. For domestic purposes, PV grid is used effectively as installed solar rooftop systems. They are eco-friendly and therefore contributes to sustainable development.A rooftop solar system is a good investment as government subsidiaries give beneficial schemes.

What are the prices of Rooftop Solar PV installations?
The Installation price touches the sky. Lack of resources to build solar cells in rural India. The average cost of a rooftop solar system is Rs, 75 per watt. A large number of people cannot afford the estimated value. So, many incentives are shared by the government to make solar energy easily available for commoners. State renewable departments have been constructed.

How Government Subsidy Scheme will increase the popularity of Rooftop PV?
The Central Government and the state agencies provide subsidy schemes for installing rooftop PV systems. This encourages people to use renewable energy. The installation of a rooftop PV system is expensive, but in the long run, when compared to electric generators, it is quite inexpensive. The government supports common people in using rooftop PV by specific schemes. To promote the generation of electricity using sun Indian Government has launched Jawaharlal Nehru National Solar Mission in January 2020.

How much subsidy from Government of India is being offered for installing Solar Rooftop?
The average cost of a rooftop PV system without subsidy is around 70 thousand rupees. The 100 square feet of the total space is required for this purpose.After a 30% subsidy, the total amount of 49 thousand rupees is required for installing a rooftop PV system.The scheme also provides 60% subsidy profits on special category states like the North-East states and Hilly area states. The special category states for domestic installations are given an extra edge over other people. About 60% capital subsidy and loan at 5% interest on 80% of the benchmark cost has been provided to them while for commercial purposes the percent goes down to about 30% capital subsidy. These schemes have made solar energy-related products quite popular in those areas.To take efficient advantage of these incentives one must be aware and interested to make the earth a better place to live in. Various Solar Projects and their cost is discussed in Table 1.
Table 1: Solar Projects and their Cost
S. No. Solar Projects Provided Budget
1. Solar Parks and Ultra Mega Solar Power Projects ₹2M/MW
2. 300 MW of Solar PV for Defence establishments and paramilitary ₹11M/MW
3. Installing grid-connected solar PV power projects under Phase-II ₹25M/MW
4. Development of grid-connected PV Plants on Canal Banks and Canal Tops ₹15M/MW
5. PV Lightning Systems and Power Plants, Solar Pumps ₹340/W

Are there any Rooftop PV system Installation Specifications?
The foundation stone for the headquarters of the International Solar Alliance (ISA), an alliance of 121 countries was done by India and France in 2016. The ISA focuses on developing solar energy and reducing production costs. On June 30, 2016, the alliance turned into a partnership with the World Bank for accelerating the mobility of finance for solar energy. The aim goal of the foundation is to provide affordable solar energy to people worldwide by the year 2030.
In 2018, the government of India announced the setting up of a $350 million solar development funds as the government's strategy to reduce the cost at the national level. India is now expecting to obtain 40 percent of its electricity from non-fossil fuel sources by 2022, which is to be eight-years ahead of the proposed plan.
Is the proposed Rooftop PV System effectively used all over the country?
Interested people should contact their electricity provider. The concerned officials will visit the installation site and check the area and its accessibility for its approval. The necessary steps will be discussed. The visit of officials will be for inspection and for monitoring the system installation.
The household rooftops are good targets for enhancing solar power utility. China and India, are making various efforts to lower the prices. Small-scale and large-scale industries are also encouraged to have PV rooftop installations. Gurugram-based solar consulting company Bridge to India reports 3,400 MW.Delhi. Public sector undertakings have been the largest rooftop in India while states like Maharashtra have more percent of Industrial solar rooftop.Solar rooftop power is cheaper than grid-supplied electricity. These consumers have the financial resources to make the necessary investments, which are sizable to install effectively.Moreover, the Renewable Energy Service Company (RESCO) model in which developers install the system on the consumers' premises and sign a long-term contract to sell them electricity is an agreement where no investment is required. The dominance of ‘large-scale' rooftop installations by commercial industry has made a good impact on the economy as they have helped in minimizing transmission cost and the distribution losses, as the generated power is consumed locally.
The demand-side management of load in large cities has made the process financially attractive. Therefore, for rural development, concerted efforts would be needed for raising consumer awareness about the benefits of PV technology and their installation. Loans need to be made available, which requires significant capacity building in rural areas. The Solar City Programme as initiated in 2008 can be organized every year. A 30 percent capital subsidy support from the government should cover every village all over the country.
How Rooftop Solar PV will spread its wings in the Future?
In recent years, the government has taken steps to approve loans projects related to solar energy. The Reserve Bank of India has identified solar rooftop as a priority sector for lending money to various vivid sectors to have quality improvement. In 2017, the solar rooftop financing was $1.4 billion, just 3.5 percent of the total required funding which must be increased. Solar systems provide multiple benefits—to households, to the grid and large-scale industries. Promoting must be a desirable policy goal. Solar PV systems can offer reduced power bills for households and factories that may increase the gain as tariffs are likely to keep going up. They provide environmentally friendly with a cheap back-up supply of power.Innovative government policies or attention will surely assist in upgradation in the particular field of power generation.
Green 4 Life Energy is an Indian venture of Green 4 Life Oz - an Australian company with an experience of more than 15 years in Rooftop solar. With headquarter at Jhansi, in Uttar Pradesh, India.
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Author's Bio: 

I am Nikhil sandhya, and I write for various websites, I love to write an article on different niche.