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Solar power to light up Chinnaswamy cricket stadium in Bangalore

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By NewsGram Staff Writer

In a first of its kind, the Chinnaswamy cricket stadium in Bangalore has decided to go green by using solar power generated from photovoltaic cells to light up the sports complex.

Set up under the Indo-German environmental partnership and installed by RonXSol Ecotech Ltd, ahead of the Indian Premier League (IPL) T20 tournament, the solar panels will generate 440 kilovolts or six lakh units per annum.

“Our stadium is the first in the country to install solar panels on the rooftop above the eastern stands to generate about 1,700 units of power daily to meet a part of our energy requirements,” a Karnataka State Cricket Association (KSCA) said.

The combined solar panels will have the potential to generate 18-lakh units per year to meet about 40-50 per cent of its peak requirement annually.

Speaking on the development, KSCA spokesman Vinay Mrutyunjaya said, “Going forward, similar panels will be installed on the western side rooftop to generate an additional 850kv after this summer.”

“We have invested Rs.3 crore to install the solar cells on top of eastern stands and will invest Rs.7 crore for similar panels on top of western stands by this year-end,” Mrutyunjaya further added.

The stadium consumes maximum energy for lighting the ground, stands, dressing rooms, pavilion and other facilities when hosting the Indian Premier League (IPL) matches in summer and day-night One-Day Internationals (ODIs) when scheduled.

Elaborating the decision to introduce solar power in the stadium, Mrutyunjaya said, “Though the city is located at about 3,000 feet and has the most salubrious climate in the country, sunlight is available in abundance for about 10 months a year, as we are in the tropical region to generate plenty of clean energy.”

“We will be saving Rs.40-50 lakh on electricity bills by using solar energy for our power needs. We will also supply to the state grid on days when matches are not played and have surplus solar power to spare,” he added.

The association plans to reduce its expenditure on power supplied by the utility provider at commercial rate by using solar power.

 

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India’s Floating Solar Panel a Gateway To Clean Energy For Asia

India already makes the solar panels it needs, and is now setting up manufacturing for the floats and anchors needed for floating solar systems.

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Solar panels
Workers install photovoltaic solar panels at the Gujarat solar park under construction in Charanka village in Patan district of the western Indian state of Gujarat, India. India is planning new large-scale installations of the technology on hydropower reservoirs and other water bodies in Tamil Nadu, Jharkhand and Uttarakhand states, and in the Lakshadweep islands. VOA

When the worst floods in a century swept through India’s southern Kerala state in August, they killed more than 480 people and left behind more than $5 billion in damage.But one thing survived unscathed: India’s first floating solar panels, on one of the country’s largest water reservoirs.

As India grapples with wilder weather, surging demand for power and a goal to nearly quintuple the use of solar energy in just four years, “we are very much excited about floating solar,” said Shailesh K. Mishra, director of power systems at the government Solar Energy Corporation of India.

India is planning new large-scale installations of the technology on hydropower reservoirs and other water bodies in Tamil Nadu, Jharkhand and Uttarakhand states, and in the Lakshadweep islands, he told the Thomson Reuters Foundation.

 

Solar panels
Currently floating solar arrays cost about 18 percent more than traditional solar photovoltaic arrays.

“The cost is coming almost to the same level as ground solar, and then it will go (forward) very fast,” he predicted.

 

As countries move to swiftly scale up solar power, to meet growing demand for energy and to try to curb climate change, floating solar panels – installed on reservoirs or along coastal areas – are fast gaining popularity, particularly in Asia, experts say.

The panels – now in place from China to the Maldives to Britain – get around some of the biggest problems facing traditional solar farms, particularly a lack of available land, said Oliver Knight, a senior energy specialist with the World Bank.

“The water body is already there – you don’t need to go out and find it,” he said in a telephone interview.

And siting solar arrays on water – most cover up to 10 percent of a reservoir – can cut evaporation as well, a significant benefit in water-short places, Knight said.

Pakistan’s new government, for instance, is talking about using floating solar panels on water reservoirs near Karachi and Hyderabad, both to provide much-needed power and to curb water losses as climate change brings hotter temperatures and more evaporation, he said.

Solar arrays on hydropower dams also can take advantage of existing power transmission lines, and excess solar can be used to pump water, effectively storing it as hydropower potential.

Solar panels
Canal Top Solar Power Plant, Wikimedia Commons

Big Potential

China currently has the most of the 1.1 gigawatts of floating solar generating capacity now installed, according to the World Bank.

But the technology’s potential is much bigger – about 400 gigawatts, or about as much generating capacity as all the solar photovoltaic panels installed in the world through 2017, the bank said.

“If you covered 1 percent of manmade water bodies, you’re already looking at 400 gigawatts,” Knight said. “That’s very significant.”

Growing use of the technology has raised fears that it could block sun into reservoirs, affecting wildlife and ecosystems, or that electrical systems might not stand up to a watery environment – particularly in salty coastal waters.

But backers say that while environmental concerns need to be better studied, the relatively small amount of surface area covered by the panels – at least at the moment – doesn’t appear to create significant problems.

Solar panels
In this file photo taken Oct. 10, 2015, a bus moves past by solar power and wind power farms in northwestern China’s Ningxia Hui region.

“People worried what will happen to fish, to water quality,” said India’s Mishra. “Now all that attention has gone.”

What may be more challenging is keeping panels working – and free of colonizing sea creatures – in corrosively salty coastal installations, which account for a relatively small percentage of total projects so far, noted Thomas Reindl of the Solar Energy Research Institute of Singapore.

He said he expects the technology will draw more investment “when durability and reliability has been proven in real world installations.”

Currently floating solar arrays cost about 18 percent more than traditional solar photovoltaic arrays, Knight said – but that cost is often offset by other lower costs.

“In many places one has to pay for land, for resettlement of people or preparing and leveling land and building roads,” he said. With floating solar, “you avoid quite a bit of that.”

Solar panels used on water, which cools them, also can produce about 5 percent more electricity, he said.

Solar panels
Solar panels absorbing sunlight.

Mishra said that while, in his view, India has sufficient land for traditional solar installations, much of it is in remote areas inhospitable to agriculture, including deserts.

Putting solar panels on water, by comparison, cuts transmission costs by moving power generation closer to the people who need the energy, he said.

Also Read: Environmentalists Investigate The Kerala Flood

He said India already makes the solar panels it needs, and is now setting up manufacturing for the floats and anchors needed for floating solar systems.

When that capacity is in place, “then the cost will automatically come down,” he predicted. (VOA)