Energy sources in the contemporary society

alternative fuel describe detail happen a significant energy supply source. Explain happen. Analyse promise challenges supply source. Your essay judged cogency argument, position merits energy alternative choose.

Marine Current Power

Marine current power is one of the most promising alternative energy sources in the contemporary society. The fact that the world is still addicted to using conventional fuels certainly makes it difficult for serious investors to put their resources into projects associated with alternative energy. Even with this, the fact that many conventional energy sources are rapidly being depleted makes it difficult and almost impossible for these bodies to ignore the benefits they would experience as a result of betting on particular alternative energy sources.

Marine current power uses kinetic energy in marine currents with the purpose of generating electric power. While most people in the present focus on solar and wind power when discussing with regard to alternative energy sources, the reality is that marine currents are more predictable and they can thus be used with the purpose of harnessing power more efficiently.

As naive as it seems, in order for marine current power to become a significant energy supply source, fossil fuels need to be depleted to a ninety percent level. This would influence society to accept that it needs to focus on alternative fuels and while it would initially seem easier to concentrate on wind and solar power as a means to compensate for the lack of conventional energy sources, many investors are going to turn their attention toward energy sources that are more effective. Basically in order for marine current power to become a significant energy supply source people need to open their eyes and realize that one of the best options right now is to exploit ocean currents.

In order to harness the power of marine currents individuals need to install completely submerged turbines or hydrofoil devices that can use the kinetic power of water moving around them with the purpose to generate energy. “Marine current technology shares the same principle as wind turbines by using the kinetic energy of moving fluid and transferring it into useful rotational and electrical energy.” (Marine Current Energy)

Exploiting marine current power is currently a work in progress, as while there are several sites in Northern and Western Europe focused on this technology, the masses seem hesitant about supporting it. There have been a series of impediments preventing individuals interested in the technology from seriously investing in it. The fact that they can harm the environment in particular situations makes it difficult for people to support it. However, there are solutions to this issue and the fact that turbines and hydrofoil devices are practically insignificant when considering the diversity of oceans, it is only safe to say that they would have little to no negative effects as a result of operating in certain regions.

One of the most significant problems with placing devices meant to harness energy from ocean currents involves the distance between individuals needing this power and the turbines or hydrofoil devices. “As distance from the consumer might be, in some instances, too great, industrial complexes were proposed in the middle of the ocean and the manufactured product would then be brought by ship to the continent.” (Charlier & Finkl, 14-15) This would, however, involve a series of other problems that need to be addressed, considering the environmental impact of such strategies.

There is a 22,000 MW ocean current energy plant being built in the Philippines under the guidance and financial assistance of a Canadian concern. The plant uses a Davis Hydro Turbine and involves a dam housing vertical turbines that are going to rotate slowly in order to generate power. The numerous problems that might arise as a result of implementing such a project, such as “navigation safety, climate modification, danger for ocean life, cleaning of floats if they were used.” (Charlier & Finkl, 15)

The fact that harnessing kinetic energy from marine current power is relatively similar to harnessing energy from wind power means that investors can overcome a great deal of problems initially experienced as wind power was in its early stages. Even though that marine current speed is approximately half the speed of winds, water is 800 times denser than air, which “gives the theoretical marine current power density per square meter of the blade-swept area approximately 100 times greater than in wind.” (Patel, 287) Furthermore, marine currents are more predictable than winds and are more persistent. This makes it possible to understand the many advantages that marine current power holds over wind power.

A device engineered similar to how fish swim and involving a system of cylinders placed horizontal to water flow is going to generate energy as water moves past it and does not need a particularly rapid current in order to function effectively (Copping). In spite of the limited progress that marine current power has experienced in recent years, the fact that people observe that it is likely to be the next best thing influences many to invest in research and to play an active role in making the future better. Marine current power is unlikely to become a significant energy supply source in the near future, but it is going to be one fifty years from now. People want efficiency and marine current power gives them just that.

Works cited:

Charlier, R.H. And Finkl, C.W. Ocean Energy: Tide and Tidal Power. Springer, 08.02.2009.

Patel, M.R. Shipboard Propulsion, Power Electronics, and Ocean Energy. CRC Press, 2012

“Marine Current Energy.” Available from <>

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