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Non Renewable Energy Sources

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Carbon emissions double, sea levels rise, and occurrence of typhoons increases- these are currently the world’s biggest problems. According to the United States Environmental Protection Agency (2017), the sector with the largest contribution to global greenhouse gas emissions is the electricity and heat production sector- the sector mainly responsible for the use of non-renewable energy- contributing approximately 25% of the total greenhouse gas emissions. The answer to this problem is to use renewable energy sources – sources with little to no amount of greenhouse gas emissions. Most types of these sources, however, are more expensive and less efficient. Hydropower generation, on the other hand, produces more amount of electricity for a lower …show more content…

The first problem is that they are not efficient enough- not as efficient as hydroelectric generation. For solar energy, photovoltaic panels can only harness solar energy if the sun shines which means it cannot harness energy during night. According to Rehman, Bader, and Al-Moallem (2006), the sun shines for a mean of 8.89 hours a day in Saudi Arabia which is the only time to harness energy. In other countries, this mean for the hours of daylight is lower making it less efficient. While for wind energy, a high wind speed is essential to generating energy but it varies depending on the setting. This affects the decisions on site selection and types of wind turbines. The Betz’ law from Coyle, Basu, Blackledge, and Grimson (2014) stated that even if there is a good wing speed, only 59.3% of the kinetic energy can be captured at maximum. With today’s technology, wind turbines can only achieve as much as 80% of Betz’ limit. In hydroelectric energy, it is a different situation. Water flows day or night which gives it an advantage over solar and wind energy. The second problem is their cost. Both solar energy and wind energy are expensive in terms of initial cost and maintenance cost. According to Solar Philippines (2018), a company that sells solar panels in Batangas, five solar panels that can generate 1.3 kilowatts, can cost around 125,000 to 135,000 Philippine Pesos. Also, according to National Hydropower …show more content…

In addition, the cost of building the power plant and studying the location will also be studied. The effects of the power plant to the economy and environment will also be taken into consideration. However, before the researchers start the study, they would contact or go to the location to ask permission first. If permission is granted, the researchers will then proceed to

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