29MayRenewable energy

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Aurelius introduced me to Cool Earth, a renewable energy startup. It has patented a way to make solar energy more efficient than coal. Impressive …

Three years ago our top scientists and Nobel Prize winners met in Washington in search of a solution to energy-related Global Warming. Four points came from the meeting:- there is no solution available
- yet we must implement one by 2050
- the only power source that presents a viable solution is solar
- but solar energy is currently far too expensive.

Cool Earth was formed to solve this problem. Now. With currently available technology. We are working to reduce the cost of solar electricity by a factor of 25, making it cheaper to produce than energy from coal or other non-renewable sources. By developing a solution from minimal, low-cost materials, we aim to make solar generation as profitable as today’s best investment options.

This extreme goal has led us to exactly one real and viable solution: a solar farming approach, based on concentrated photovoltaic collectors, constructed from inexpensive, widely-available plastic films.

Here’s how the system works:

Inflatable concentrators gather light and focus it onto photovoltaic cells, increasing the energy impacting the cells many times over. Our design costs 400 times less per collected area than conventional mirrors, can withstand 100 mph winds, and can protect the mirror surface and receiver from rain, insects, and dirt.

Series of concentrators are suspended on support and control cables stretched between poles. By suspending the concentrators, vast areas of land can be easily converted for solar energy production with limited environmental impact. The ground beneath the concentrators remains free for other uses, such as farming or ranching.

The timing is perfect. Our technology is in place. And we have a plan to reach “grid parity” in three years, not thirty.

  1. Gravatar Icon 1 Pascal30 May 2007

    Une autre solution lumineuse…

    Vous la connaissiez peut-être déjà.

  2. Gravatar Icon 2 cati30 May 2007

    merci! Recherche tres interessante en effet. Les paneaux en dioxyde de titane sont non polluant et 10 fois moins cher que les paneaux a base de silicone!



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