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Island Diu will all be India's first sufficient solar energy territory by the end of 2015. The administration of Daman, Diu & Dadara Nagar Haveli establishes a 12 MW solar power plant in Diu at an estimated cost of Rs 100 crore.

Diu 's energy consumption is about 9-10 MW. However, in view of its future development and the growth of tourism activities, the administration is developing 12 MW of power generation capacity, which would make the district  which houses six villages that are the first in the country to have sufficient renewable energy.
The first phase of the solar energy project for 3 MW solar panels is expected to be completed by the end of 2015 at an estimated cost of Rs 25 crore in the next four months.

In addition to solar energy, Diu also explores wind power. It is preparing to install 6.8 MW windmills by 2019. If this happens, Diu will not only be self-sufficient in energy, but also entirely from renewables.

In 2012 Diu first thought about solar power. " We had to install solar energy with certain obligations. We also had barren land at our disposal, " says Milind Ingle, executive engineer, department of electricity, Daman & Diu. In addition, Diu spent Rs 80 lakh a month in Gujarat to obtain power. Since electricity had to be transported via 25-30 km of transmission lines, the voltage of supply was affected. " We only got 59-60 KV instead of 66 KV. So routine was dim light in homes, " says Ingle. In addition, the T&D losses were relatively high at 12%. 

All this changed in the solar park. T&D losses fell to 7 percent. Not only do consumers now get 66 KV, but they also pay less, because the tariff for all categories of consumers has been revised downwards. Rates for domestic consumers (51-100 units consumed) decreased from Rs 1.80 per unit in 2016-17 to Rs 1.17 in 2017-18.



The leap in solar technology has seen improvements in cost efficiency over a number of years. In 2014, the foundation stone of the first phase of the solar park, spread over 30 acres, was laid with a 3MW capacity at a cost of Rs 25.5 crore. PSU BHEL was awarded the project. When Diu launched the competition for the second phase in 2015, the efficiency improved dramatically. While the capacity was double the previous one at 6 MW, the second stage cost only Rs 36.98 crore and was distributed over a smaller 20 acre parcel of land. In 2016 the foundation stone and the contract were laid. 


Even the 5 year operation and maintenance contract was very cheaper, while in the first phase it cost Rs 1.57 crore, in the much larger second phase it was Rs 1.5 crore. " Solar technology and efficiency are rapidly improving. During the second phase, we achieved the advantages of economies of scale.

Solar park energy is supplemented by rooftop solar. Of the 119 government buildings in Diu, 79 have already installed 1,27 MW of solar panels per year. Now the government encourages Diu residents to go to solar power. A grant of Rs 10,000-50,000 is granted for the installation of 1-5 KW of rooftop solar panels.

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