Solar Energy

Reply filed by the state of Odisha regarding increasing instances of high energy swell waves, May 1, 2025

Reply filed by the Director, Environment-cum-Special Secretary, Forest, Environment and Climate Change Department, Odisha and Member Secretary, Odisha Coastal Zone Management Authority, May 1, 2025. NGT, had registered suo motu in response to the news item in the Hindu, May 4, 2024 titled "Swell waves likely to strike coastal areas …

Energy funding shifts to hi tech projects

FINANCE minister Manmohan Singh contends non-conventional energy sources (NCES) have been given a boost through customs duty reductions of upto 20 per cent on a variety of items and continuation of the tax holiday for renewable energy projects. Funding for solar and wind energy programmes have been raised from 22.9 …

Harnessing the sun

IN TIBET, solar energy is being used increasingly to heat homes, cook food, run television sets, milk cows, shear sheep and, of course, provide light. Tibet gets 3,000 hours of sunshine each year, compared with New Delhi, which gets 2,525 hours annually. In an area slightly in excess of one …

Sunlight kills cancer

Sunlight can be used to treat cancer using a method developed by University of Tokyo researchers. Their method focusses sunlight on the cancer-affected areas using optical fibres. The photochemical reaction with a previously injected substance kills cancer cells. Cancer treatment methods, using lasers in photodynamic therapy, already exist, but the …

Out in the cold

EVEN AS the Central Public Works Department (CPWD) goes ahead with Delhi's first mass residential colony based on solar passive architecture, architects continue to hold reservations about the project. Officials in the department of science and technology (DST), which is bearing half the project's research and development costs of Rs …

Taking an 'all round attitude' to science

Indian Prime Minister Indira Gandhi takes a keen interest in the development of her country's science and technology. Here, she talks to Anil Agarwal

Science and Environment - Briefs

BIOLOGY Yellow pigment clue to evolution Bilirubin, responsible for the yellowish tinge in the skin, eyes and nails of jaundice patients, has for the first time been identified in plants. The pigment was discovered in Strelitzia reginae Aiton, commonly know as the Bird of Paradise plant. It is indigenous to …

Blame bankers not oil for climate impasse

  It's time the green brigade joins the banker-bashing, Occupy Wall Street movement Another climate summit and another potential disappointment facing the green brigade. Even before it officially kick-starts, there is a widespread feeling that the Durban Summit is expected to be another brick in the collapsing climate wall. The reason …

Uttarakhand hills with solar power don’t prefer ‘taar wali bijli’

It was half past four in the evening when we reached Garbadhar. It took us about 4 hours and two flat tyres along the Kali river from Dharachulha to get there. The Border Roads Organization remained inactive that day as it was a Sunday. Otherwise, as we were told and …

Solar lighting - No time to wait for grid or government

Less than a kilometer from Asia's largest Solar Termal plant, west of Bikaner, Rajasthan, lives the farmer Sabhu Khan. His hamlet is still unreached by the grid. Instead of the grid connection, he decided to go for an off-grid solar system – He bought it himself, at full market price …

Coal-based power industry expands rapidly while solar power trots behind

Tuticorin, a coastal district in southern Tamil Nadu, is a large hub for coal-based thermal energy generation with many more such projects in the pipeline. Currently there are 2 power stations commissioned so far. The Tuticorin Thermal Power Station being the largest of them all, as of now, produces power …

Lanco's allies

Jonas Hamberg stumbles on fictitious companies dealing in public funds. It was all there on the Rajasthan Renewable Energy Corporation (RREC) website—names of companies, addresses and phone numbers. But calling them up did not work. We were to find out the reason later. I am talking about the companies that …

New business for new renewables

Karno GuhathakurtaIt was a trade exhibition abuzz with the restrained chatter of busy suited executives at company stalls making contacts and finalising deals. Nothing out of place except that this trade was about renewable energy technologies, which have unconventional reasons for growth. First, these technologies are seen as the most …

A Dearth of Ideas

Delhi needs to critically rethink its move to abandon roof top solar scheme In many countries it is now possible to feed electricity from solar roof top systems into the grid. What that means is you put up a solar photovoltaic (PV) panel on your roof and when it produces …

Change power generation configuration to stabilise the grid

Two consecutive days of grid collapse has left almost half of India’s population without power. Three major grids – northern, north-eastern and eastern – have crashed. Reportedly, over 20 states have been affected. Trains have stalled, markets have closed down, and institutions and offices have been forced to announce holidays. …

Talking Energy - On a lighter note

Every niche has its own lingo and Energy might have one of the most complicated ones around. Just as an example energy can be measured in six different ways! - Joule, Calorie, Tonne Oil Equvalent, Watt hour, British Thermal Unit and Tonne Coal Equivalent. (For a good converter see: http://www.iea.org/stats/unit.asp …

Clouds over solar

India’s solar power policy is now entering round two. And there is much that needs to be reviewed and reworked as the business of solar energy has seen massive turbulence in India as well as globally. In the first phase (2010 to 2013) of the Jawaharlal Nehru National Solar Mission …

Keralaites, get your rooftop solar and save a bundle!

Kerala's 10,000 Solar Rooftop Programme is already in full swing with almost half (4700) rooftops signed up by mid-January 2013. Any Keralaite with 15 square meters of unshaded rooftop area can register (http://ddr.anert.gov.in/index.php?option=com_content&view=article&id=116) to set up a 1 KW-peak system on their roof. The programme counts on each solar rooftop …

For a place in the sun

How will solar energy be made to work in India? As I discussed in my previous article there are three key challenges. One, how will the country pay for solar energy in a situation where there is no money to pay for even the crashed costs of installation. Two, what …

Are Off-Grid Solutions Really More Expensive for the Rural Poor?

A number you likely know: 400 million. That’s how many people live without electricity in India. And not coincidentally, most of these people are poorest of the poor and live in rural villages or hamlets. The presence of such an enormous population eager for something better has given rise to …

Big mini revolution

Sunita Narain @sunitanar Illustration: Ajit BajajWe were standing in the only street of this small village called Mohda. Located in the forested region of Chhattisgarh, the village had no access to the road and markets. The women of the village surrounded me. They wanted me to know that malaria was …

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