Showing posts with label energy. Show all posts
Showing posts with label energy. Show all posts

Monday, December 19, 2011

Friends of Gaviotas: Energy: not created, not destroyed



January 3, 2009

By natural law, energy is neither created nor destroyed – it simply transforms from one medium into another. No matter where you are, it is always there for the taking. One might even say that it is so close, that most people are unable to see it! One should always use all the locally available energy first – tap all locally available resources first – before even thinking of bringing in energy from somewhere else. In that spirit, here is what Gaviotas has done recently:

For years, Gaviotas has been generating its electricity by means of a steam turbine running on wood culled from its forest. This year, the villagers have developed a novel fuel mix made of turpentine (distilled resin tapped from the pine trees in the forest) and plant oil (extracted from the fruit of the palm trees in the forest or from recycled cooking oil) that now runs all their diesel engines – electric generators, tractors, and soon trucks as well. All that was needed were stainless steel filters (developed in-house) to replace the regular paper oil filters in their engines. This new fuel mix doesn’t require any changes to the engines’ diesel fuel injection pumps.

Gaviotas features a community dining hall that is very popular with the villagers. Its kitchen makes about 200 meals a day. The massive cooking stoves have now been equipped with internal piping through which water is heated to near boiling and is then circulated without a pump, simply via natural convection (thermosiphon). This new heat exchange system replaces the 30 solar collectors that used to sit on the roof of the dining hall. The old collectors (also thermosiphon with no moving parts) are still in top shape, so they will simply get a new paint job and be sold for $1,000 a piece!
Biodiversity in the Gaviotas forest continues to increase. The villagers have planted a mix of pine and palm, and now fruit trees, and nature is adding the rest: hundreds of native plant and animal species are emerging that had not been seen on these arid plains in ages.

http://www.friendsofgaviotas.org/Updates/Entries/2009/1/3_Travels_Through_The_East.html 


Watch this excellent 25 minute film about Paolo Lugari at:
http://web.mac.com/giocondaperezsnyder/Site/Paolo_Lugari.html

Friday, February 4, 2011

Husk Power for India




The New York Times


January 4, 2009
Bright Ideas | Environment
Husk Power for India
By ANDREW C. REVKIN

Many of India’s cities have become bustling centers for high technology and heavy industry, but hundreds of millions of people in the countryside remain off the grid. Growing up in rural Bihar State, Manoj Sinha knew what it was like to sit in the dark. So after earning an electrical engineering degree at the University of Massachusetts, Amherst, and working for the Intel Corporation, he began exploring ways to turn farm waste into electricity, with the dream of building village-scale generators.

Last year at the University of Virginia, where he is studying for a master’s at the Darden School of Business, he and a fellow student, Charles Ransler, teamed up with another engineer from Bihar, Gyanesh Pandey, and Husk Power Systems was born.

The Indian engineers, both 31, had initially planned on raising money to build small generators for simply a few villages. But the company now has a proprietary generator that runs on a methane-like gas released by heating rice husks a certain way. A waste product of rice milling, husks are plentiful in villages. While agricultural waste is common for generating heat, it is not often used for generating electricity, and there is nothing remotely like this system in the villages of developing countries. The system produces enough electricity to supply 300 to 500 households for 8 to 10 hours a day. A byproduct is silica, a valuable ingredient in making cement.

The long-term plan is to profit from the global market in credits — earned by avoiding greenhouse-gas emissions, which result from burning fossil fuels like coal — and to sell the benefit.

Husk Power Systems won first place in 2008 in the University of Virginia business plan competition and the social innovation competition at the University of Texas, Austin. The students are headquartered at the Darden School of Business incubator, where they get space and advice.

There are generators in five villages now, with the hope of expanding to 100 within a few years, Mr. Ransler says. Eventually, these communities could shift to other electricity sources as the Indian economy matures. But Mr. Ransler, 30, predicts there will be a market for many years to come for small-scale power systems burning renewable farm waste.

Business leaders must realize that the world’s poor need investments more than handouts, he says, adding, “These are customers, not victims.”

http://www.nytimes.com/2009/01/04/education/edlife/ideas-huskpower-t.html

Tuesday, January 11, 2011

Husk Power Systems: turning rice husks into energy



http://opinionator.blogs.nytimes.com/2011/01/10/a-light-in-india/?partner=rss&emc=rss


Links:

1.
Husk Power Systems (“HPS”) lighted the first village from its first 100% biomass based power plant that uses discarded rice husks to generate electricity in ...
www.huskpowersystems.com/ - Cached - Similar

2.
Acumen Fund | Husk Power Systems
Husk Power Systems (HPS) generates clean, safe and efficient electricity at affordable rates in some of India's most remote communities. ...
www.acumenfund.org/investment/husk-power-systems.html - Cached
3.
Husk Power Systems: Rice-Fired Electricity | Fast Company
Dec 1, 2008 ... We continue our look at Fast Company's Social Enterprises of the Year with Husk Power Systems.
www.fastcompany.com/.../husk-power-systems-rice-fired-electricity.html - Cached - Similar
4.
Husk Power Systems Wants to Lead "a Revolution in Electricity ...
The Indian for-profit social enterprise is making gains in all areas of ...
vox.fastcompany.com/.../husk-power-systems-from-power-to-empowered - Cached
Show more results from fastcompany.com
5.
News for Husk Power Systems

6.
Fixes: A Light in India
12 hours ago
This is why I'm writing today about a small but fast-growing off-grid electricity company based in Bihar called Husk Power Systems. It has created a system ...
New York Times (blog) - 6 related articles
http://opinionator.blogs.nytimes.com/2011/01/10/a-light-in-india/?partner=rss&emc=rss

7.
Husk Power Systems | Facebook
Sign UpHusk Power Systems is on FacebookSign up for Facebook to connect with ... Husk Power Systems. Lighting over 150 villages through 50 de-centralized ...
www.facebook.com/.../Husk-Power-Systems/34694426057

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