Greetings! My name is Haroon Junaidi And I welcome you to Synergy Files Channel In this video, I will try to answer a question that I am asked frequently and it is weather we should install Wind Turbine or Solar panel? Firstly let me tell you there is not a straight answer to this question Because you may install solar panel or wind turbine It is going to be mainly dependent upon your location The place where you want to install the wind turbine or the solar panel What is the climate of that region It should be noted that we can divide the world in 3 regions based on climate First are the regions where high atmospheric pressure dominates through out the year These are high pressure regions These are arid areas with high solar insolation All the deserts of the world are based in this strip Second are the regions where low atmospheric pressure remains for most part of the year They are called low pressure regions Wind is high in such regions It remains mostly cloudy Annual precipitation also is high These areas include Britain, northern Europe the Philippines and New Zealand Thirds are the areas which have a mixed climate At times low pressure creeps in and at times high pressure dominates in such areas So if you are in the region of first kind Than solar panels are more appropriate for you.
In Pakistan interior Sindh, Balochistan and South Punjab are areas where only solar technology can be used Similarly in India, the area of Rajasthan is appropriate for Solar If you live in an area where low atmospheric pressure dominates through the year, than Wind turbines are better in such locations If you live in the 3 kind of region where Climate is varied than you will have to see how much investment you can make And how much are the wind and solar resources of the area only with that knowledge it can be decided which technology would be better suited In this regards, lets discuss some key point In the last decade there has been an exponential rise in both Solar Energy and Wind Energy Technology Such has been the increase in both technologies that people have started to think that we can shutdown the power plants running on coal, oil and gas The total wind power capacity in the world is 486 GW Where as total world capacity for solar energy is 303 GW For comparison we can add that Pakistans total energy capacity is only 22 GW The areas which have high speed wind are very feasible for wind turbines however the wind turbines of only large scale are the ones that are effective.
We are talking about turbines that produce several
hundred kW of electricity at a given time Note that some even produce even more electricity than 5 mega watt These turbines are taller than 10 storey buildings Such turbines can mostly purchased by large organizations It is almost impossible for an individual to buy them It should be noted that a turbine of 1 Mega watt costs around 1 million USD however if it is installed in an area which has high wind than it can recover its costs within 3 to 4 years because of its high yield. Note that a turbine life is around 15 to 20 years and can be 25 years if maintained properly Small scale turbines are not very efficient, in fact they are useless particularly turbines that are 10 kW or less are inadequate because they dont have the technology that is in the large scale turbines This is the reason why the output of small turbines is almost next to nothing And we described this in detail in our last video and this is the reason that when you will look at a picture of a wind farm you will mostly see that there are large scale wind turbines in the farm Compared to wind, Solar Energy is as efficient on small scale as it is on a large scale that is why it is in the reach of a common person If you observe all the solar projects in the world you will note that they are largely small scale installations.
Whereas if you look at wind power projects than you will note that small scale installation of 10 kW or less are next to nothing If we look at Pakistan, than there are only few regions where wind turbines would recover their costs These areas includes the southern coastal regions and some valleys in Balochistan and Khyber Pakhtoonkhwa You can look at the world's wind resource map the areas where the annual wind speed is less than 5.5 m/s at the altitude of 10 meters Installing wind turbines in such regions is a waste of money That is why in Pakistan, India and Afghanistan, Solar technology is the most suitable technology You can get 10 KW turbines in the market from 10,000 to 15,000 USD but wind turbines have to be installed in open areas and if possible have to be installed at highest of altitudes.
You may have noticed in pictures that often they are installed on top of hills You cannot install them in built-up areas Wind not only loses its speed, energy after it hits the buildings but also the turbulence is increased. I have noted many people claiming that wind resources are high in their area but I should mention that in most areas in Pakistan the annual wind speed is less than 3.5 m/s. there are only a few areas where it surpasses 5.5 m/s speed Compared to this, in Scotland speeds of 5.5 m/s to 7.5 m/s are fairly common The final point is that, In Engineering, there is a general rule of thumb that is there are moving parts in a machine than its reliability is lower compared to a machine that is solid state and doesnt have moving components such as Electronic products Rotating and Moving components over time have wear and tear and require maintenance.
In a wind turbine there are rotating components whereas Solar panel is a Solid state device So I hope you would have got the answer now after watching this video. In Pakistan Solar technology is more feasible and effective. Wind turbines can be considered if that technology is available for Rs 20,000 to 30,000 per kilowatt. If you have learned something from this video than please do like it. I would really appreciate if you do If you want to get such videos in the future than please do subscribe to the channel. Take care of yourself. Once again. thank you for your attention..