Tag Archives: otec

OTEC once more

I have written a bit about ocean thermal energy conversion on this site. This technology use the temperature difference between the ocean surface and deep seawater. The larger this difference, the greater the energy that can be harvested. Continue reading →

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OTEC and Syn Fuel

In a previous post I discussed the potential of Ocean Thermal Energy conversion to meet Japan’s energy demand in the wake of the Fukushima nuclear disaster. Below a video on how this method of energy generation works. Continue reading →

Ocean thermal energy conversion for Japan?

Though this an old post by me, I think it still relevant.

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Introduction

On march 11, 2011, Japan was hit by an earth quake and a tsunami which resulted in the Fukushima Daiichi nuclear disaster. Consequently the public opinion in Japan turned 180 degrees against nuclear power. Even their government began to consider a nuclear free future. But Japan is so heavily dependent on nuclear power, that last summer two nuclear power plants had to be restarted in the face of massive public opposition. The question of this post is what are the alternatives for Japan? I will discuss solar power, wind power and Ocean Thermal Energy Conversion (OTEC). [However, both wind power and OTEC are in fact indirect forms of solar energy since both winds and the oceans are powered by the Sun.]

Wind and Solar power

These are the “classical” kinds of alternative energy sources. Both options require a lot of space, and the intensity of solar radiation…

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