Renewable Energy and Electricity

Paper Summary:

In this paper the author examines the sources available to create power and electricity. He looks at how technology is used to take advantage of the forces of nature available. The paper highlights how up until recently only the power created by falling water has been explored and used successfully in a number of applications. Sun, wind, waves, rivers, tides and the heat from radioactive decay in the earth's core are all looked at as being renewables, in other words they give continuous sources. The paper concludes with a look at all of the environmental aspects of using these renewable sources, the arguments for and against each one including the aesthetic issues that arise. Introduction Solar Energy Wind Energy Rivers Geothermal Relating Renewable to Base-Load Electricity Demand Environmental Aspects

From the Paper:

"The main role of solar energy in the future will be that of direct heating. Much of our energy need is for heat below 60oC - e.g. in hot water systems. A lot more, particularly in industry, is for heat in the range 60 - 110oC. [2] Together these may account for a significant proportion of primary energy use in industrialized nations. The first need is readily supplied by solar power much of the time in some places and the second application commercially is probably not far off."

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