The wind energy of the future

2008 Dec 2


Thousands of massive wind turbines might not be the ultimate solution after all. Bigger is not necessarily better when it comes to wind energy.

Doug Selsam, CEO of Superturbine, Inc. and wind turbine inventor, certainly doesn’t think so. He knows “small is beautiful”.

Cheaper, lighter turbines can operate on an industrial scale. Doug gets 400 watts per pound out of his small rotors, where as the giant megawatt rotors get 30 watts per pound, that’s a better than 10 to 1 ratio of improved performance.

What’s different about Selsam’s design is its simplicity; no gears or other complex parts, just one spinning drive shaft!

A small module, such as an assembly of 8 propellers in line can produce up to 2 kilowatts. He can make this assembly longer and get more power, he can multiply the assemblies, the sky is the limit…One could imagine thousands of these drive shafts side by side and it would be enough power to run a small city.

Watch the VIDEO: http://watch.discoverychannel.ca/daily-planet/december-2008/daily-planet-december-2-2008/#clip118301
 
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UPDATE 1-Enbridge expanding Sarnia solar-power project

2009 Dec 8

Enbridge boosting solar plant to 80 megawatts

Stocks

First Solar to build, maintain project

Enbridge shares rise 0.6 percent

CALGARY, Alberta, Dec 8 (Reuters) - Enbridge Inc (ENB.TO), said on Tuesday it is quadrupling the size of its Sarnia, Ontario, solar-power facility, spending C$300 million ($288 million) to increase its capacity to 80 megawatts and expanding its push into green power.

Enbridge, Canada's No. 2 pipeline company, said the investment would make the Sarnia site North America's largest solar plant, producing enough electricity to power 12,800 homes and saving 39,000 tonnes of carbon-dioxide emissions a year.

In October, Enbridge bought the Sarnia project in southern Ontario from developer First Solar Inc (FSLR.O), one of the world's largest producers of the photovoltaic cells that convert sunlight into electricity. The first 20 megawatt phase of the project entered commercial service on Monday.

Enbridge is best known as the operator of North America's largest crude oil pipeline network and ships the lion's share of Canada's oil exports to the United States on its lines.

But the company has been making a push into the renewable energy business, operating four wind-power projects, with a fifth, 99-megawatt project slated to be completed next December.

The solar expansion is also expected to be complete by December 2010.

Read more: http://www.reuters.com/article/idUSN0820099920091208?type=marketsNews

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