Project - Sunvention PDF Print E-mail
Friday, 24 December 2010 11:39

I SunPulse Waterfirst came across Sunvention when I was looking for some technology for UES to improve energy efficiency in their greenhouses. We traveled to Tamera in Portugal and met Jürgen Kleinwächter there. Apart from it being appropriate to UES, it was clear to me that this was the most impressive set of under-exploited technologies in terms of its potential impact in developing countries. Since June I've been helping Jürgen to go through a serious restructure caused by the internal problems of its majority investor. We've been exploring the opportunities both for commercial funding, and also for reorganizing Sunvention as a Social Venture, focused on how to maximise its impact, rather than generate a return. I came out to Germany after SoCap and am still here. At this time, we are still looking for investors or donors that might be interested either in the core venture, or in specific projects.

As just one example - they have developed and tested the SunPulse Water, a solar thermal water pump. It will be affordable to millions of farmers who couldn't afford the running cost of comparable diesel pumps, or the capital cost of photovoltaics. It is expected to cost about 1/3 of the price of either, per liter pumped, overall. Because of delays raising finance, I've just postponed a trip to India to talk to potential distributors, one of which has indicated a likely demand for 50,000 (over €50m) in their state alone. Sunvention is currently looking for ten sites to purchase and test these pumps in a variety of environments. {More}

Many organisations have done interesting work improving the combustion efficiency of stoves to reduce the amount of wood required and the health impact of smoke. Sunvention has an interesting alternative approach, using a simple oxygen generator to allow the burning of even really low quality biomass such as crop residues, grass clippings etc. I'm hoping to help Sunvention raise some finance to complete some prototypes, and to open-source this project.

I'm interested in talking to anyone interested from either a philanthropic or investment perspective.

is a Research & Development laboratory that has developed a range of technologies and expertise in overlapping fields of greenhouse solar capture; stirling engines; and optics for photovoltaics ..."> Sunvention - solar greenhouses, stirling engines & optics
  • Sunvention in the running for Buckminster Fuller Challenge

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