Thursday December 14, 2017
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BMTC to install solar panels in its office building


By NewsGram Staff Writer

Bengaluru: Bangalore Metropolitan Transport Corporation (BMTC) is all set to add one more initiative in its attempts to go green. It is planning to install solar panels on the terrace of its main office building at Shantinagar in Bengaluru, according to a report published in Vijaya Karnataka, a Kannada daily.

Solar panel

The office building in Shantinagar consists of varied departments, hotels, shopping malls, shops, and Traffic and Transit Management Centre (TTMC) bus-stand. Further, BMTC has lent premises for other departments like excise department.

The combined electrical consumption of all these entities would be pegged at around 3.7 lakh units per month costing around 32-33 lakh rupees per month.

In order to reduce the expenditure towards electric bills, the BMTC has decided to use the space available on the terrace of its building and has decided to call tenders from solar companies.

The area available on the terrace is around 1.2 lakh square feet and BMTC hopes to generate around 1 lakh units of electricity per month from the solar panels. The cost of installation of these solar panels is expected to be around 5-6 crores. BMTC also intends to sell any excess electricity generated to Bangalore Electricity Supply Company (BESCOM).

The solar company which would get the tender to install the solar panels is also expected to run the unit for 15 years, after which the BMTC itself will maintain the unit. During these 15 years, the solar company will sell the electricity to BMTC at rates which are 1-2 rupees lesser per unit than what it will charge BESCOM. This is expected to save lakhs of rupees per month for BMTC.

This is not the first green initiative that BMTC has taken. Previously, it had introduced India’s first Electric Bus in 2014. Further, it has been working towards Solar charged buses as well.

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Now Print perovskite Solar Cells easily and at the cost similar to bringing out a Newspaper!

Researchers of University of Toronto Engineering have found that the solar cells manufactured with perovskite mineral could lead to low-cost solar panels

Solar panels absorbing sunlight. Pixabay

Toronto, Feb 18, 2017: Researchers have found a novel way to print perovskite solar cells easily and at a cost similar to bringing out a newspaper!

A team, led by Hairen Tan from University of Toronto Engineering found that the solar cells manufactured with perovskite mineral could lead to low-cost, printable solar panels capable of turning nearly any surface into a power generator.

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“Economies of scale have greatly reduced the cost of silicon manufacturing,” Ted Sargent, an expert in emerging solar technologies, said in a university statement.

“Potentially, perovskites and silicon cells can be married to improve efficiency further, but only with advances in low-temperature processes,” added Sargent, who is also the Canada Research Chair in Nanotechnology.

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Perovskite solar cells depend on a layer of tiny crystals — each about 1,000 times smaller than the width of a human hair — made of low-cost, light-sensitive materials.

Because the perovskite raw materials can be mixed into a liquid to form a kind of ‘solar ink’, they could be printed onto glass, plastic or other materials using a simple inkjet printing process.

“The most effective materials for making electron selective layers (ESLs) start as a powder and have to be baked at high temperatures, above 500 degrees Celsius,” said Tan.

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Tan noted that perovskite solar cells using the older, high-temperature method are only marginally better at 22.1 per cent and even the best silicon solar cells can only reach 26.3 per cent.

Tan’s perovskite solar cells were also stable and retained more than 90 per cent of their efficiency even after 500 hours of use. (IANS)

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To light up sites at night, ASI is likely to install Solar Panels on all Historical Monuments

5MW to 25MW solar power units will be installed at each of the monument sites but the capacity of these units might increase depending on the requirement

Brihadeeswarar Temple. Image source:
  • Sources in the Ministry of Culture has confirmed the decision saying the initiative has already received a go-ahead
  • 5MW to 25MW solar power units will be installed at each of the monument sites
  • It will be implemented in all archaeological sites where the rooftop is available for necessary solar installation

The Archaeological Survey of India (ASI) has decided to light up the heritage sites as well as Historical monuments with the help of solar photovoltaic systems at the rooftop of all the monuments. The idea behind the new ambitious plan is to increase the tourist visits and reduce electricity bills significantly.

The India Today report stated that sources in the Ministry of Culture confirmed the decision saying the initiative has already received a go-ahead and the process of installing solar photovoltaic (SPV) systems on the premises of heritage sites and historical monuments. The installation process will start from July-August this year, in 2016, only as the fund for the project has already been allocated by the Ministry of Culture.

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Representational Image. Image Source:

5MW to 25MW solar power units will be installed at each of the monument sites but the capacity of these units maight increase depending on the requirement. The tourists can view the ASI monuments after the solar panels have been installed.

“All the rooftops of the ASI protected monuments will come under the purview of the initiative. We will cover the rooftops with solar power panels to light up the area at night. It will help save on the electricity bills significantly. It is an ongoing process and will be executed in phases. The fund has been sanctioned already by the ministry. It will be implemented in all archaeological sites where the rooftop is available for necessary solar installation. The capacity of the solar panels may increase at some sites where the requirement would be higher as per the physical geography of the location,” an official said to India Today.

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The Archaeological Survey of India (ASI) is an Indian government agency attached to the Ministry of Culture was founded in 1861 that is responsible for archaeological research and the conservation and preservation of cultural monuments in the country. ASI protects and preserves more than 3,686 protected monuments of national importance spread all over India.

-This article is compiled by a staff-writer at NewsGram.


4 responses to “To light up sites at night, ASI is likely to install Solar Panels on all Historical Monuments”

  1. Night view is full of pleasure. This will help in attracting more tourists and since it works on Solar power it will reduce the bill and will be eco-friendly.

  2. Installing solar panels to light the monuments up has so much potential for tourism. The view of the monuments at night will definitely be different and will attract more tourists.

  3. This is great. We should start installing more Solar panels for generating electricity so, that it will reduce the consumption of fossil fuels.

  4. This is great. It will decrease our the use of fossil fuel. We should install more solar panels in other places also.

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Go Solar: The new mantra


By Ila Garg

Opting for renewable energy is fast becoming the new trend. Every other household is finally seeing the benefits of solar energy: a source of electricity that is renewable, off-the-grid, clean, distributed and most importantly, affordable.

India can be most benefited from this renewable energy as more than half of the population still lives in rural areas where the grid cannot reach. These remote areas have therefore never seen electricity. They are lurking in the darkness as the world progresses each day. Now, India can finally move out of the darkness and into light, with at least 55 cities being developed as solar cities.

Taking a step towards solarising India, on Thursday, Delhi Power Minister Satyendra Jain released a Delhi Solar Energy Policy 2015 draft. This Policy aims at generating 1,000 MW of solar power in the next five years. This will help in resolving power cut worries quite easily.


At an event at the secretariat, Satyendra Jain remarked, “To promote solar energy, solar panels will be installed on the roof-tops of every government building and we’ll start with the Delhi Secretariat.”

The minister also revealed that a tender for 5MW solar power generation has been floated. “We have a target to generate 1,000 MW of solar power in the next five years and 2,000 MW by 2025,” he said.

He further added, “This solar policy will promote a rapid growth of solar power, especially from the roof-top source, via a combination of generation targets, regulations, mandate and incentives. This will also promote net-metering and grid connectivity for all solar plants.”

If all goes well, very soon, every household in Delhi will not only have access to an uninterrupted power supply but also save on the electricity bills.

Earlier, the Rajasthan government had approved of an investment of Rs. 1.56 lakh crore in the solar power sector. Sighting the benefits of solar power, the world’s first 12 MW solar power plant was inaugurated by Kerala’s chief minister at the Kochi airport. No wonder the newest metro line added to Delhi metro is NCR’s first solar equipped metro line.

Overseas, China too has already started building its largest solar plant to meet its voluptuous power needs. That’s not all. The enormous usage of this clean, green energy will leave you astonished; the first solar-powered aircraft Solar Impulse 2, made its first successful flight on 3 July, 2015.


The initial installation cost is a little on the higher side. However, since the cost can be recovered in a span of a few years, it remains a lucrative deal. Also, the enormous benefits cannot be ignored. What makes solar power the talk of the town is the fact that it is 100% eco-friendly and can reach the areas where the grid cannot.

Does that mean we will see a solar world soon?