Geothermal energy is adequate to supply the energy that is needed by many people, but only a small fraction may be profitable exploited. We call this geothermal energy and now, we will be looking at the advantages and disadvantages of geothermal energy. Lastly, hydro energy can be impacted by changes in water flows. Geothermal energy pros include a passive energy source, environmentally friendly, and low operating cost once setup. Geothermal energy has several pros and cons which make it an ideal energy source for specific regions.
Geothermal energy or geothermal power is in fact earths thermal energy that is generated by heat stored beneath the earths surface. Pdf geothermal technologies use renewable energy resources to generate. Geothermal energy a lowcost solution because it can save up to 80% on your bill over the standard fossil fuels that are used to generate energy. Moreover, geothermal energy is the best type of renewable energy in terms of cost, efficiency,and safety. Petrothermal geothermal energy free download as powerpoint presentation. So, geothermal energy means energy or power extracted from beneath the earth. This article is going to discuss the advantages of geothermal energy.
The term thermal is similar to the word thermometer and thermal. The prefix geo, like youve seen before in the words geology and geography, is a greek work meaning earth. What are the advantages and disadvantages of geothermal. Since geothermal power has great potential, well take a look here at its main advantages and disadvantages when used for heating. In this way, energy is transported in the form of internal energy. To understand geothermal energy, imagine having a fireplace nearby, one which never goes out. This energy resource is certainly important for the future of energy and the environment and twi can help with any queries you may have about its exploitation. Geothermal energy will never end, unlike nonrenewable energy sources.
Electricity generation with geothermal power plants and geothermal heating and cooling systems. The word geothermal is derived from the greek word geo which means earth and the word thermal and the world thermal which means heat. Geothermal systems can be installed where there is a lot of existing ledge. This article is wellresearched and contains every aspect a balanced geothermal energy pros and cons list should contain. Proper research and innovation in this field can overcome its disadvantages, and we can then enjoy the geothermal energy. Basically, the term geothermal comes from the greek words. It is produced due to the fission of radioactive materials in the earths core. Note that the list is based on the two main ways we harness geothermal energy today. Geothermal energy pros and cons energy informative. Geothermal advantages learn advantages of geothermal. Here is an account of generating geothermal power and heating from it, and the advantages of geothermal energy. The high upfront costs of geothermal are a disadvantagedrilling one well can cost one million dollars.
Advantages of geothermal energy it has low cost and there is no need to use fuel to generate the geothermal power, and because of this the purchasing, transporting and cleaning of it will just require low cost. The fire we speak of exists at the core of our planet. What are advantages and disadvantages of geothermal energy what are the advantages of geothermal energy. Even though there are lesser emissions, digging deep holes causes seismic disturbances which have led to earthquakes. In fact, heating and cooling costs make up at least 50% of your annual energy bill. Geothermal energy is one of the cleanest energy sources. A home system can be considered almost maintenance free. The temperature at earths core measures close to 7200 degrees fahrenheit. The advantages outweigh the disadvantages, especially if geothermal is compared with fossil fuels. With geothermal energy we no longer have to worry about harmful pollution. Geothermal comes from the greek word geo which means earth and thermo which means heat.
Some geothermal energy cons include high upfront cost, the requirement to be near a geothermal energy source, and the need for water or steam. In general, the advantages of geothermal are superior to the disadvantages. Geothermal energy is heat contained within the earth. One of the greatest advantages of geothermal energy is that is an. One of which is that in order for it to be harnessed into electrical energy, the hottest waters have to be used. Petrothermal geothermal energy geothermal electricity. Thus, it gives out an instant and simple definition as geothermal energy is heat coming from the earth. Geothermal energy is also a renewable energy source because is produced by the intense heat in the planets core. We list below the main advantages of geothermal energy it is the most efficient energy of all renewable energies. Geothermal energy is a renewable energy source that embraces a large positive side. Geothermal energy which are also called thermal underground. Geothermal energy advantages and disadvantages planetsave. The following are the main advantages of geothermal energy systems designed for residential use geothermal energy advantages include ease of installation.
Geothermal is really the forgotten renewable, because unlike most other renewable sources of energy, its hard to find almost as hard and as expensive to find as oil and gas. It is an exceptionally constant source of energy, meaning that it is not dependent on neither wind nor sun, and available all year long. Traditional hvac is not considered environmentally friendly or lowenergy. Geothermal heating advantages and disadvantages our energy. Disadvantages advantages and disadvantages of systems19 geothermal loop type advantages disadvantages. Geothermal power is considered a renewable and sustainable power source because the heat it uses is very small compared to the earth heat content. The advantages of geothermal energy the energy is renewable the cleanest energy high heat source no chemistry needed good for the climate the disadvantages of geothermal energy not widespread source of energy high installation costs can run out of steam may release harmfully gases difficult to transport. Weve compiled a list of the advantages and disadvantages of solar energy to help you answer if solar is a good idea for you. As long as the earth supports our lives, geothermal energy will exist and geothermal power will work. The disadvantages of geothermal energy can not be ignored, although it has many benefits. Pdf on oct 10, 2016, sawsan ahmed elhouri and others published 70. This sets it apart from other terrestrial energy sources such as.
Add to this about 1,000 mw of planned capacity additions under development and about 3,100 mw of geothermal energy resources under development. Renewable energy sources including biomass, geothermal, ocean, solar, and wind energy, as well as hydropower have a huge potential to provide energy services for the world. But lets look at geothermal energy advantages and disadvantages and more geothermal energy basics for a deeper dive. Index introduction what is geothermal energy history applications types uses of geothermal energy advantages disadvantages future of geothermal energy conclusion references introduction geothermal energy is the earths natural heat available inside the earth. Geothermal reservoirs are naturally replenished and therefore renewable it is not possible to. Read the whole list of pros and cons here, and request free. We can use this heat energy to generate electrical energy. Geothermal energy disadvantages potential emissions greenhouse gas below earths surface can potentially migrate to the surface and into the atmosphere. The energy inside the earth was formed by the decay of minerals and forests several years ago. Construction of geothermal energy plants can affect the seismic stability to a large extent. One of the greatest advantages of geothermal energy is that is an ecofriendly, renewable energy source that can reduce your utility costs up to 50%. Coal can be easily transported to the power stations. But its downsides are affecting its practical applications. Disdvantages to dig up coal, we have to create mines which can be dangerous and not very nice to look at.
Geothermal energy also has many advantages when compared to other renewable sources like solar, wind or biomass. Disadvantages of geothermal energy the ecoambassador. Not all geothermal projects require such deep drilling though and they are not all located in seismically sensitive areas. Acting as basically free storage, youre able to trade the value of an unused. Geothermal energy is the heat energy that we can find within the core of the planet. If we consider the advantages of the geothermal energy then, its future is bright. Advantages and disadvantages of geothermal energy go. There are certain challenges associated with finding ideal locations to drill that will produce a consent source of geothermal heat that is sufficient for its intended use. Read the whole list of pros and cons here, and request free offers in the.
Geothermal energy essentially means the heat from inside the earth. Now lets discuss advantages and disadvantages of geothermal energy. Department of energy doe office of geothermal technologies, nearly 40% of all u. The disadvantages of geothermal energy not widespread source of energy high installation costs can run out of steam may release harmfully gases difficult to transport costs of geothermal energy the costs of geothermal energy are low depending on how you approach the use of energy. Contains design and explanation with advantages and disadvantages of geothermal energy sources. Geothermal energy is energy from the heat of the earths core. Advantages and disadvantages of geothermal energy geothermal energy has been around for hundreds of years now. The geothermal energy is nothing but the heat from the earth and we can avail this to heat the buildings, generate electricity and much more. The era of largescale use of geothermal energy for heating and electricity has started with the construction of the first geothermal power plant 100 years ago in tuscany, italy. A geothermal heat pump system will always save you money in the long run since there is an element of free energy in the design since the pipes that are buried underground, they can last more than 50 years without requiring any type of maintenance. So, what are some advantages of geothermal energy over other sources of energy. Thanks to the laws of thermodynamics, thermal energy is transferred from the interior of the earth to a fluid. The epa has determined that geothermal is the lowestenergy and most environmentally friendly option of heating and cooling your home.
There are obviously, both advantages and disadvantages of geothermal energy, but it is yet to be decided whether its pros are more or its cons. On top of the fact that geothermal energy is potentially available any where on earth, if is far more dependable. Such emissions tend to be higher near geothermal power plants, which are associated with sulfur dioxide and silica emissions. Geothermal energy is generally considered environmentally friendly and does not cause significant amounts of pollution.
The use of solar energy for water heating, taking a bath, shower, and drying crops has had a tradition for a long time. As more steam is formed, it gets compressed at high pressure and comes out in the form of hot springs which produces geothermal power. Unlike other renewable energy sources, geothermal one can provide a constant supply of energy 24 hours a day, 7 days a week, 365 days a year. The term geothermal is literally translated to as the heat from the earth. Each technology has its own distinct advantages and disadvantages that both. Consequently, i think the most powerful alternative type of energy in ksa is geothermal energy. The amount of thermal energy that is lost by transporting the heat from the bottom of the well to the surface is minimal geothermal energy remains stable throughout the different seasons of the year. Advantages of geothermal energy 1 it is a renewable source of energy. Geothermal energy is generated by the earths core, which means that is a free and natural source of power. Geothermal energy is the heat contained in the solid earth and its internal fluids. Geothermal energy is a renewable energy obtained from the heat stored inside the earth. There are some minor environmental issues associated with geothermal power.
Over the long term the advantages of geothermal energy outweigh the disadvantages, but for many people the disadvantages are heavy enough to pick a different energy choice. Disadvantages although geothermal energy defiantly has a positive side, there is however drawbacks attached to this energy source. Definition geothermal energy is a renewable energy that makes use of the heat inside the earth. Geothermal energy ppt geothermal energy power station. What are geothermal energy disadvantages and advantages. According to the geothermal energy association gea, the geothermal power industry reached about 3,442 mw at the end of 20.
989 1632 560 1103 199 199 1648 1090 682 203 728 597 1628 1351 214 1348 11 179 716 894 1064 727 430 835 819 1411 730 505 1396 821 1330 1441 947 1531 116 113 1144 392 235 500 1135 847