Alternative Energy, What Is it?

by D Miller

There are a lot of energy resources which are going largely untapped. If we could develop the necessary technologies to take advantage of these resources, we could begin to move away from fossil fuels and indeed, the existing electrical grid by using these alternative sources of energy.

One of these alternatives is wind power. The development of wind turbines continues to progress, with each new generation being more cost efficient; “wind farms” have begun to be used in many countries and these have been placed better than in the past, when they were often a threat to migratory birds.

One of the better known alternative energy sources is of course solar energy. The energy given off by the sun can be stored in fuel cells to generate electricity; and the sun’s heat can also be use to heat water for use in our homes. Solar energy, like wind power, does not create any pollution whatsoever.

Many governments and private investors are looking too ocean waves as being a potentially great source of energy. There is one generator which has been in use in France for sometime now with great success. In Ireland and the U.K., there are experimental generators in use as well.

Hydroelectric power has been around for some time. This is a clean and efficient way to generate electricity; bu8t does have the limitation that not every place has a large dam for the purpose of hydroelectric power generation. Small regional hydroelectric stations have been built - and you can expect this alternative energy source to be part of the overall energy production strategy for the foreseeable future.

Geothermal energy is a promising alternative energy source; it is abundant, being right under the Earth’s surface. This energy is produces by water being converted to steam by the heat of the Earth’s molten core. This steam can drive electricity generating turbines. There needs to be more research done into how to best utilize this potentially great source of energy.

Waste gas energy, mostly from methane is unique in that it turns what is normally seen as a waste product into energy. Methane can be used in fuel cells and even in gasoline powered generators to produce energy.

Ethanol is a gasoline substitute sourced from plants; these sources include (most notably) corn, but can be produced from any cellulose-containing plant materials; even wood chips! There is still doubt that the extraction process can become efficient enough to really be a serious alternative to gasoline other than on a regional level, but the production process is becoming ever more efficient.

A cleaner-burning alternative to petroleum based fuels; biodiesel is made from plant oils such as rapeseed, sunflower and soybean oils. While not produced on a large commercial scale as of yet, many companies are looking onto the possibility of doing so.

Atomic energy is created through the process of nuclear fission. While a very efficient way to generate energy, concerns persist about the radioactive waste produced, which can take centuries to decay to the point where it presents no health hazard.

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