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Australian Outback Gains Systems to Store Solar and Wind Energy

May 9, 2007   |   5 Comments
The Australian Government will fund VRB Energy Storage Systems for remote areas of Australia.

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"We believe that Australia is a great market for our products with lots of opportunities in solar and wind applications both on and off grid. We are also pleased to see the Australian government recognizing the need for energy storage in order to maximize Australia's renewable resources."

-- Tim Hennessy, VRB Power, CEO
5 Reader Comments
Comment
1 of 5
May 13, 2007
A quick search on the web can tell you a lot about VRB technology!!!
Essentially it's a chemical battery whereby electric charge is stored in an electrolytic solution. The charge and discharge process is very efficient and theoretically very fast (depending on the electrical integration components) which benefits small systems with high wind or solar capacity.
Searh for the the King Island VRB project on the web for some info on an actual application.
Comment
2 of 5
May 13, 2007
Even VRB's cover page statements do not mention the technology used. Read their very last statement.

"is unlike most other conventional energy storage systems that rely on a substances such as lead or cadmium."

So... the VRB doesnt rely on a substance?
Then its magic?
They have sucessfully transmuted the Philosiphers Stone?
Wait a minute, if that takes substance.
What are they keeping secret? Why?
Comment
3 of 5
May 13, 2007
AUS $1.83 million in order to develop a
VRB Energy Storage System.

I wonder if the Australian Governmetn did this with as little information as we got from this article.
Its all kind of vague, you know? What is it? Heavy steel flywheel? Hydrogen?
I mean whats the harm in mentioning the technology involed here? Unless of course somebody is trying to hide something.
Comment
4 of 5
May 14, 2007
Technology was developed at University of New South Wales. There is a fabulous summary of the process at their website. Go to http://www.vrb.unsw.edu.au/
The VRB (Vanadium-Redox Battery) allows storage of energy in the fluid in tanks, which is then circulated back through plates for discharge. The fluid is reuseable, and additional tanks can be added to increase buffer without increasing battery capital.
Suited to smoothing required in Wind, Solar and other intermittent generation.
Comment
5 of 5
May 14, 2007
Wouldn't tower-storage of water (for later running of turbines) be a cleaner alternative?
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