Developing geothermal energy technology should be one of the main focuses in searching for alternative energy sources. This is a largely untapped area of tremendous alternative power potential, as it simply taps the energy being naturally produced by the Earth itself. Vast amounts of power are present below the surface crust. All we need do is tap into it and harness it.

Geothermal Energy: Where It Comes From?

At the Earths’ core, the temperature is about 6,000 °C. This tremendous heat creates pressures that contain huge amounts of energy. In this place there exist superheated fluids in the form of magma -which we see the power and energy whenever there is a volcanic eruption- awaiting for tapping. These fluids also trickle to the surface as steam and emerge from vents. We can create our own vents, and we can create containment chambers for the magma and convert all of this energy into useful electricity.

The Geothermal Power Plant

To create a geothermal power plant, a well is dug where there is a good source of magma or heated fluid. Pipes are fitted down into the source, and the fluids are forced to the surface to produce the needed steam. The steam would turn a turbine engine, which would generate the electricity.

The Downsides of Geothermal Power

There are some criticisms of geothermal energy which prevent its being implemented on the large scale. Critics say that study and research to find a resourceful area is too costly and takes up too much time. Then there is more great expense needed to build a geothermal power plant, and there is no promise of the plant turning a profit. Some geothermal sites, once tapped, might be found to not produce a large enough amount of steam for the power plant to be viable or reliable. And we also hear from the environmentalists who worry that bringing up magma can bring up potentially harmful materials along with it.

However, the great benefits of geothermal energy would undermine these criticisms if only we would explore it more. Geothermal energy is extremely efficient—the efforts needed to channel it are minimal after a site is found and a plant is set up. Geothermal plants, furthermore, do not need to be as large as electrical plants, giant dams, or atomic energy facilities. The environment would thus be less disrupted.

Geothermal energy is an alternative form of energy. Using it would mean we become much less dependent on oil and coal. Perhaps most importantly we will never run out of geothermal energy, and it is not a commodity that would continuously become more expensive in terms of real dollars as time passes, since it is ubiquitous. Geothermal energy would be, in the end, very cheap, after investigation and power plant building costs are recovered.

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