Biofuels have been around as long as cars have.

A biofuel is a fuel that contains energy from geologically recent carbon fixation. These fuels are produced from living organisms.

Generating Electricity from Wing Waves.

Wind turbines, like windmills, are mounted on a tower to capture the most energy. At 100 feet (30 meters) or more aboveground, they can take advantage of the faster and less turbulent wind.

Producing electricity from solar energy.

Solar energy is a free, inexhaustible resource, yet harnessing it is a relatively new idea. The ability to use solar power for heat was the first discovery.

Turbines catch the wind's energy with their propeller-like blades.

A blade acts much like an airplane wing. When the wind blows, a pocket of low-pressure air forms on the downwind side of the blade.

Solar energy may have had great potential

Solar technology advanced to roughly its present design in 1908 when William J. Bailey of the Carnegie Steel Company invented a collector with an insulated box and copper coils.

We have been harnessing the wind's energy for hundreds of years.

For utility-scale sources of wind energy, a large number of wind turbines are usually built close together to form awind plant.

Biofuels are produced from living organisms.

In order to be considered a biofuel the fuel must contain over 80 percent renewable materials.

Geothermal energy is the heat from the Earth.

Resources of geothermal energy range from the shallow ground to hot water and hot rock found a few miles beneath the Earth's surface, and down even deeper to the extremely high temperatures of molten rock called magma.

Geothermal heat pumps can tap into this resource to heat and cool buildings.

A geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building.

In the future, civilization will be forced to research and develop alternative energy sources.

Possession of surplus energy is, of course, a requisite for any kind of civilization, for if man possesses merely the energy of his own muscles, he must expend all his strength - mental and physical - to obtain the bare necessities of life.

Showing posts with label solar park. Show all posts
Showing posts with label solar park. Show all posts

Saturday, January 19, 2013

What Is Solar Sharing

What Is Solar Sharing
"Solar Sharing," the blending of solar PV, with farm crop lands,

... was the idea of a Japanese engineer named Akira Nagashima.

He created a system that allowed solar panels to collect sunlight, and

... for plants to as well,

but they also were provided shade to protect crops from overexposure.

Both the solar panels and the food-bearing plants,

... receive enough sunlight to be productive, and

... provide income for Mr. Takazawa:

...... Over 10,000 per year from his solar power system, and

...... less than 1,000 from growing vegetables.

He keeps adding to his system, until his 50 kW system,

... with about 600 solar panels, located over citrus trees,

... are situated about 5 meters above ground on steel pipes,

... could bring in over 20,000 this year.

02-20-2015 Source: What is "Solar-Sharing?"

Monday, November 7, 2011

Solar Shop In New Town

Solar Shop In New Town
New Town is a Solar City. Last Sunday, Minister Firhad Hakim released a small booklet on use of Solar Energy. On my suggestion, CEO and AO NKDA had got it illustrated by cartoonist Chandi Lahiri. It has many nuggets of useful information; a sample:

- Cost of solar energy module often pays for itself in 5-6 years. The Solar Panel is often guaranteed for 25 years by the manufacturer.

- One needs 120 sq ft of space for 1 kilo watt energy generation

- A rooftop solar hot water costs Rs 25,000 or so.

It also lists out initiatives - private and public - already taken in New Town. Some examples:

- 500 KW canal-top solar energy project by NKDA (ongoing; located near Banglar Haat / Eco Park)

- 140 KW rooftop system in Coal India Bhavan (close to Najrul Tirtha)

- 2% of demand by solar power: Tata Housing, Sankar Netrlaya, Surakshya, Sampurna Husing Co-operative, Santiniketan Housing Co-operative, etc.

Here is an illustration contained in the book:


Cartoon by Chandi Lahiri on booklet on Solar City

Incidentally, we from NKDA have also decided to install solar rooftop power plants at CG Community Market (peak power 27 KW), IA Community Market (19 KW), Hidco Bhavan (13 KW), Finance Centre (21 KW) and NKDA Office (10 KW). Uttam Jana, Superintending Engineer tellsme that he expects to start work in these projects this month.

In IA market, one stall (bearing number S25) has been earmarked for selling solar energy products.

Allotment would be made through lottery among agencies recognized by MNRE.

* * *

Here are a few clippings:


The Statesman dt 4 Nov 2014

Ekdin dt 4 Nov 2014


HT dt 3 Nov 2014

Times of India dt 3 Nov 2014


See http://timesofindia.indiatimes.com/business/india-business/Record-815m-sq-ft-of-flats-unsold-in-6-cities/articleshow/45052062.cms?intenttarget=no

Telegraph Metro dt 3 Nov 2014


Ei Samay dt 3 Nov 2014

Khabar 365 dt 3 Nov 2014

Pratidin dt 3 Nov 2014