Renewable Energy

SOLAR ENERGY

Solar energy is one of the most popular and widely known renewable energy sources. The sun is the main factor providing renewable energy, to be converted into electricity via solar panels using the sun’s light and heat. Solar energy is free, constantly available, noiseless and does not emit any CO2.

Solar energy does have some drawbacks – for instance on cloudy days energy will still be generated, however not to the extent of a full fledged sunny day which will generate far more electricity. Moreover, the initial cost of installing solar panels can be costly and finding space for installation can also be another tricky task.

Overall, the future of solar energy as a renewable energy source is rather bright and exciting. As the globe continues to see increasing temperatures, higher CO2 emissions and rising sea levels, global leaders are desperately wanting to move away from fossil fuel to a more cleaner, stable and sufficient renewable energy source, therefore solar energy would be at the top of the list for further expansion and investment.

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WIND ENERGY

Wind power is another widely known renewable energy source, which uses atmospheric wind power to generate electricity using wind turbines or any other form of wind converting system. It is another clean, sustainable and pollution free renewable energy.

The disadvantages of wind power would include it being noisy, very expensive with upfront cost, unsafe for some wildlife, unpredictable in nature, plus technology such as wind turbines are enormous and may require a great amount of land. 

The future of wind power is positive and it will be considered one of the leading renewable energy sources, especially as it can be moved offshore and that will greatly tackle the problem of land space, moreover the unpredictability factor is also significantly reduced because there is more wind generated offshore, which makes it far more appealing as a renewable energy.  

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HYDRO POWER

Hydropower is another very resourceful and widely used renewable energy, with dams being the most popular and well-known system utilising hydropower. Hydropower employs falling or rapidly flowing water as its main source, thus it is abundantly available and easily accessible. Hydropower is being used quite extensively throughout the globe, with Norway generating around 90% of its electricity through its use. 

The downside of hydropower involves there being a limited amount reservoirs to work with, it can displace the local population from their homes and droughts can have a major impact, leading to less electricity being produced. 

Hydropower already produces ¾ of the worlds renewable energy as of today, therefore it will only continue to grow in its popularity and usage as a renewable energy, hence the future of hydropower is positive.  

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GEOTHERMAL
ENERGY

Geothermal energy is the act of gathering heat from the earths pipping hot core to generate electricity, however geothermal energy is one of the least known and exploited renewable energy. Albeit it isn’t very popular, but its biggest advantage against other renewable energy such as wind or solar is the fact that it is constant and continuously available.

Major obstacles of geothermal energy would include it being restricted to specific locations, reservoirs require a lot of careful management, produces waste and trying to harness such renewable energy can cause earthquakes under extreme circumstances.. 

The future of geothermal energy isn’t as bright as the other renewable energy sources, however if a system is developed to tap into its potential and make it more stable for use, then it will surely play a much bigger role in transitioning from fossil fuel to renewable energy. Ideas have also been floated around, that it could potentially be coupled with another renewable energy source to reap the benefits of geothermal energy and use its potential.  

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