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July 29th 2008

by FELIX
Brain-fu: 1261

(1475) 2 for the price of one. Water saving and Energy production. Small lake and dams covered with photovoltaic panels

 

 

 

Stats  Viewed 2453 good Good Idea 42 comments comments 16
Covering dams with a film of floating photovoltaic panels (solar cells) has 2 benefits on the one hand a flat surface to produce electricity and on the other preventing evaporation of water in the Dam, which is normally around 30% loss of  water yearly reservoirs
 

SUGGESTED FOR: Governments and Administrations

Dedicated to: The environment

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Related Tags solar photovoltaic water reservoir lakes energy cells saving increase dams

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by vsravi (Chennai, India) September 10th 2008

since: 09/09/2008, Brain-fu: 673

Felix, it is really, really a great ideas. I suggest the Ideas4All officials to screen and short list the ideas they receive over a period of time (quarterly, half yearly etc..) and sent it to the concerned research foundations/R& D department of big companies and also, institute a small token price for the selected "ideas" though such ideas may seem to be in a very nascent form. But we should remember it is always the seed that germinate into a bid tree!..

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by El último Xel’Naga (Elx, Spain) September 30th 2008

since: 08/07/2008, Brain-fu: 206438

Es una idea fantástica. Se consiguen dos objetivos muy necesitados como lo son la energía y el ahorro de agua gracias a una sola instalación.

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by rents14 (Mexico City, Mexico) October 11th 2008

since: 09/10/2008, Brain-fu: 3474

Excelent! There would be a natural symbiosis in between both systems. First of all, we need to do some tests and see how feasible it is.

I went to the solar decathlon contest last year, and I can tell you people is interested in green technologies. The PV systems are still under development, and they're still trying to see how to integrate PV into buildings "http://en.wikipedia.org/wiki/Bipv".

This idea fit perfectly into the definition and will encourage government to try these kind of solution

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by antoniohernando (Madrid, Spain) December 1st 2008

since: 12/01/2008, Brain-fu: 120

Me parece una idea brillante, que combina dos fuentes de energía limpias y del máximo interés actual

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by Tuko777 (Barcelona, Spain) December 11th 2008

since: 12/05/2008, Brain-fu: 300

Yo esto se lo pregunté a mi profesor de Tecnología Industrial, porqué el día que explicamos las centrales hidroeléctricas se me ocurrió también. Primero de todo, las centrales fotovoltaicas tienen un rendimiento del 10% como máximo, con lo cual, si de máxima tenemos 1000W/m2, nos quedarían a penas 100W/m2... además, la superfície del agua es demasiado grande... ¿sabes lo que mide un pantano? Hectáreas y hectáreas que deberíamos invertir en placas solares y nos produiciría un rendimiento económico menor a lo que invertimos.
Otro problema es la temperatura del agua... ahí viven peces, y ellos necesitan estar a una temperatura regulada; en el momento en que pones todo ese montón de placas encima la temperatura bajaría tanto (no le llegaría calor... nunca?) que morirían todos a causa del frío. Por último, ¿has pensado en los desbordamientos? Imagina que un día sube tanto el nivel del agua que necesita salir por encima del pantano... ahora no podrá, y se ejercería tal presión que las placas saldían volando...
En resúmen: costoso, perjudicial para el medio ambiente y peligroso = INVIABLE.

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