Understanding deep geothermal energy openlearn open. Geothermal heat pumps use the ground s relatively constant temperature to provide both heating and air conditioning. In alternative words, geothermal energy originates from the earthor within the planet. In this article, the pros and cons of geothermal energy are examined. To promote the environmental benefits of geothermal energy through favourable financing condition such as. A geothermal resource can be defined as a reservoir inside the earth from which heat can be extracted economically cost wise less expensive than or comparable with other conventional sources of energysuch as hydroelectric power or fossil fuels and utilized for generating. Note that the list is based on the two main ways we harness geothermal energy today. Also explore the seminar topics paper on geothermal energy with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year.
Instead of using natural gas or oil and as an alternative to incurring high electricity bills, geothermal energy works to draw off the earths constant core. Since ancient times people have used geothermal hot springs for bathing, cooking and even healing purposes. Because of that, we dont need to make a store of fuel, like in other power plants. However, geothermal energy pros and cons alike arise in the area of economic feasibility. In fact, every geothermal energy facility built in the last century is still operational today. Presentation on geothermal energy linkedin slideshare. In ancient times, people used this source of energy for heating homes, cooking, etc. Geothermal energy pros and cons hrf hrf health and.
June 18, 2015 by comfort pro a reading, pa company air conditioning blog geothermal heating geothermal geothermal energy pros and cons pros and cons. As with all nonfossil fuels alternatives, geothermal energy has pros and cons. Whether or not you believe in global warming, geothermal energy advancement will be a strong candidate as a part of earths longterm energy solution. Geothermal energy refers to the production of energy using the internal heat of the earths crust. Ppt geothermal energy powerpoint presentation free to download id. Download pdf hydraulicfracturingandgeothermalenergy. Advantages of geothermal energy 1 it is a renewable source of energy. There are many pro and cons of this source of energy, which are. Geothermal energy seminar report, ppt, pdf for mechanical. Geothermal energy essentially means the heat from inside the earth.
Geothermal energy is generally considered environmentally friendly. Jun 18, 2019 pros and cons of geothermal energy the british geological survey describes geothermal energy as a carbonfree, renewable, sustainable form of energy that provides a continuous, uninterrupted supply of heat that can be used to heat homes and office buildings and to generate electricity. Technically speaking, it is a renewable source of energy, but it is not a type of energy source that makes it easy for us to get what we need without using a lot of fossil fuels in the process. The pros and cons of geothermal energy alternative energy hq. In ipcc special report on renewable energy sources and climate.
Analysis of geothermal energy as an alternative source for. If we weigh the pros and cons of the geothermal energy, the advantages overshadow the disadvantages. Now lets discuss advantages and disadvantages of geothermal energy. Giving you the pros and cons of one of the most cutting edge energy technologies available. Geothermal energy can be found everywhere on earth, but some locations have much larger geothermal energy reserves than others. This article is going to discuss the advantages of geothermal energy.
Pros and cons of 4 common alternative energy sources. Coal, gas or oil are examples of fossil fuels and harvesting geothermal energy doesnt require the burning of any of those fuel types. Producing geothermal energy does create some pollution, which well discuss later in the cons. Accessible geothermal energy from the earths interior supplies heat for direct use and to generate. Ppt geothermal energy powerpoint presentation free to. As more steam is formed, it gets compressed at high pressure and comes out in the form of hot springs which produces geothermal power. Learn about the uses of geothermal energy and their history and about their economic and environmental pros and cons. Geothermal energy is derived from superheated water inside the earth. The adobe flash plugin is needed to view this content. These are known as heat sinks and are valuable for their use in creating energy. The drawback is that geothermal power plants are expensive to build and more expensive to operate than coal power plants.
Introduction what is geothermal energy its simply the heat energy of the earth, generated by various natural processes, such as. What is geothermal energy and where is it used in the world. Geothermal energy free download as powerpoint presentation. Every day, there is a rising need for an alternative energy source that is more clean and renewable.
In 2003 about 8 gw of geothermal electrical power capacity had been installed globally table 1, providing about 0. This sets it apart from other terrestrial energy sources such as. Louis atuncar jasmin villalba maria castillo why geothermal. It looks at the most favourable areas for geothermal exploitation, heat production, geothermal power plants and the pros, cons and future of geothermal energy. Geothermal energy, chapter 4 geothermal communities. Geothermal energy is nothing more than the internal heat that is contained in the rock and fluids beneath the earths crust. Geothermal power plants can in extreme cases cause earthquakes. A popular power source, geothermal energy can make it easy for us to get what we need without burning fossil fuels in the process. The literal that means of the word geothermal springs from geo, or earth, and thermal, or heat.
Some geothermal energy cons include high upfront cost, the requirement to be near a geothermal energy source, and the need. Geothermal systems can also be designed to supply a home with hot water. Geothermal power is an important alternative energy source. 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.
Let us take a look at some of the most important pros and cons of this technology for our businesses and homes when it comes to powering them up. The amount you will save will be based on factors such as the efficiency rating of the heat pump you have installed and the previous energy usage in your home. Geothermal energy explained alternative energy sources. Dec 05, 2017 geothermal energy is considered today a renewable energy source because the underground heat provided by the earths core is a continuous source of power the earths core seems to be hotter 10,800 f 6,000 c than the surface of the sun, and all this heat is sent from the inner core through the mantle and up to the crust the surface of the planet. Geothermal energy is renewable but the fluids emit gases such as co 2, h 2 s, so 2, h 2, ch 4 and n 2 when used for electricity generation. Pdf geothermal energy, nature, use, and expectations.
However, its carbon footprint is rather tiny in comparison to fossil fuel energy production. Geothermal energy has more pros than cons, which makes it very suitable for our energy needs. Explore geothermal energy with free download of seminar report and ppt in pdf and doc format. The fourth type of system is the openloop option, which uses well or surface water as the heat exchange fluid that circulates through the system. Department of energy s officeof energy efficiency and renewable energy. Dec 19, 2017 geothermal energy pros include a passive energy source, environmentally friendly, and low operating cost once setup. In some cases, this means tapping extrmely hot temperatures via steam at great depths.
Geothermal energy pros and cons alternative energy. We want to provide you deeper knowledge about geothermal energy pros and cons and geothermal heat pumps. Pros and cons of geothermal energy geothermal energy is one of the cleanest sources of energy. Actually, the geothermal energy taps into the core of the earth to cool down and hate up your home. Electricity generation with geothermal power plants and geothermal heating and cooling systems. Harnessing geothermal energy comes with some key advantages and disadvantages. Sep 29, 2008 geothermal systems can also be designed to supply a home with hot water. The pros and cons of residential geothermal energy daily. Geothermal energy is a natural source of power that does not require the use of fossil fuels for its extraction or for electricity generation. Geothermal energy is the energy that is stored inside the earth and which may be used by man either directly with no transformation or to generate electricity by means of a geothermal power plant. Even though there are lesser emissions, digging deep holes causes seismic disturbances which have led to earthquakes.
Well, geothermal energy is absolutely nonpolluting, and hence, is considered to be an environment friendly source of energy. Over 70 percent of the geothermal energy infrastructure is built along tectonic plate boundaries and hot spots. Cons of geothermal energy there are some minor environmental issues associated with geothermal power. Geothermal energy is the heat contained in the solid earth and its internal fluids. Pdf geothermal energy geothermal energy, nature geothermal. On the other hand, geothermal energy is a comparatively less costly alternative. We can also do a site visit to determine if your home, pool or office is a great candidate for a geothermal energy system. Geothermal energy pros and cons energy informative. It can be quite helpful in our fight against global warming. However, it is also subject to some cons like any other renewable energy source. Geothermal energy is one of the most efficient renewable sources of energy. Geothermal energy heat from the earth taps the volcanicallyheated water and steam that occurs naturally in certain areas in hawaii, particularly the younger islands of maui and hawaii where volcanic activity has been most recent. But one of the main advantages is that geothermal energy is ecofriendly. Geothermal energy pros include a passive energy source, environmentally friendly, and low operating cost once setup.
Geothermal energy could be a buzz term gaining ground these days as we try for a lot of renewable resources which will help us generate electricity and ultimately have a healthier world. Disadvantages of geothermal heat pumps expense it is expensive to install a ground source heat pump. Dec, 2016 geothermal energy is an effective, inexhaustible, and renewable resource. Geothermal energy pros and cons this article is wellresearched and contains every aspect a balanced geothermal energy pros and cons list should contain.
Geothermal energy is also perfect in making your home cool or warm and even your small households can get a benefit from the use of this form of energy. This chapter introduces the geothermal systems and resources. Here are some of the additional geothermal energy pros and cons that are worth considering. Sep 09, 2017 pros and cons of geothermal energy pros 1. Once established, geothermal power plants dont require much funding for operations. Some geothermal energy cons include high upfront cost, the requirement to be near a geothermal energy source, and the need for water or steam. Oct 28, 20 pros and cons of geothermal energy when you install a geothermal power system, you are going to cut your heating as well as cooling costs by approximately 20 to 80 percent.
The pros and cons of geothermal energy mostly relate to environmental issues vs. Here is an account of generating geothermal power and heating from it, and the advantages of geothermal energy. As with all nonfossil fuels alternatives, geothermal energy has. In an environment of increasing demand for renewable energy resources and derivatives, geothermal energy is one of the resources toward which industry is turning.
Celebrating prezi s teacher community for teacher appreciation week. There are heavy upfront costs associated with both geothermal power plants and geothermal heating cooling systems. Geothermal energy is renewable and sustainable energy with loads of benefits. Geothermal energy, form of energy conversion in which heat energy from within earth is captured and harnessed for electrical power generation, space heating and cooling, and various direct uses. Geothermal energy pros and cons geothermal energy is considered as one of the environmentally friendly factors and it will not harm the human health since the amount of pollution is just a bit. Read on to know the advantages and disadvantages of geothermal energy. Geothermal resources three things are needed to produce geothermal energy. Heat from the earth, called geothermal energy, is another clean and sustainable source of power. Department of energys officeof energy efficiency and renewable energy. This openlearn course provides a sample of level 2 study in science tip. We should, therefore, seek ways to reduce the massive upfront fees that stop us from embracing it and realizing its full potential. How geothermal heat pumps work using a heat exchanger, a geothermal heat pump can move heat from one space to another. There are many advantages to this method of energy generation.
There are a few polluting aspects of harnessing geothermal energy, but these are minor compared to the pollution associated with conventional fuel sources e. If playback doesnt begin shortly, try restarting your device. However, geothermal power plants are usually sited in areas of natural geothermal activity, where such emissions occur anyway. Dec 17, 2016 producing geothermal energy does create some pollution, which well discuss later in the cons. The carbon footprint of a geothermal power plant is minimal.
Jan 14, 2017 technically speaking, it is a renewable source of energy, but it is not a type of energy source that makes it easy for us to get what we need without using a lot of fossil fuels in the process. The author discusses both the pros and cons of hydraulic fracturing, explaining the process in great detail. Power from geothermal energy history the word geothermal comes from greek geo meaning earth and therme meaning heat. There are four basic types of systems, three of which horizontal, vertical, and pond have closed circulation loops. Geothermal energy a renewable energy source for electricity generation 2.
Jan 14, 2019 conclusion on pros and cons of geothermal energy. Wells have to be dug to access hydrothermal energy. These geologically active locations are ideal for the utilization of geothermal power. Firstly, geothermal energy is renewable and sustainable. Geothermal energy has several pros and cons which make it an ideal energy source for specific regions. A geothermal teacher guide for grades 912 energy education and workforce development this educational material is brought to you by the u. Geothermal energy pros and cons geothermal pros and cons. There are many considerations that come with geothermal power. Geothermal education office, tiburon, california geothermal energy. The earths core is about 4,000 miles 6,437 km beneath the surface and is possibly over 7,200 degrees f 3,982 c. In winter, the geothermal heat pump takes natural heat from the ground and transfers it to the home or building for. But despite the many advantages of geothermal energy, there are also certain disadvantages. Though it is comparatively inexpensive on one hand.
Geothermal facilities do not emit any emissions and on the whole, these factories take up far less space than any gas plants that are used for the same. Download hydraulicfracturingandgeothermalenergy ebook pdf or read online books in pdf, epub. Jun 18, 2015 june 18, 2015 by comfort pro a reading, pa company air conditioning blog geothermal heating geothermal geothermal energy pros and cons pros and cons. It needs a lot of space to operate efficiently, while the cost to install it can be quite high. Even as a renewable energy source, it is important to weigh the pros and cons of geothermal energy to better understand how it can fit into the greater energy mix. Geothermal energy is a renewable energy resource, clean, environmentally friendly and depends on the temperature of hot reservoirs and its physical characteristics size, depth, existence of. This heat comes from the radioactive decay of minerals and continual heat loss from the earths original formation. Geothermal energy has significant potential as part of a renewable energy mix.
Geothermal energy pros and cons comfort pro heating. Geothermal 101 how to heat your home with just three degreesgreen energy futures duration. Construction of geothermal energy plants can affect the seismic stability to a large extent. Geothermal energy is thus one of the best sources of energy. Geothermal energy systems on campus can help americas colleges and universities to shift to 100 percent clean, renewable energy. Geothermal power is an environmentally friendly energy source. Please read over this list, then give us a call to discuss any questions or concerns the pros and cons may have raised. Geothermal energy is a renewable source of energy which means it can be continuously used and naturally replenished because the center of the earth never cools down. In summer, the geothermal heat pump extracts heat from a building and transfers it to the ground for cooling. Some of the best locations for tapping into this energy are in very remote areas, making it very costly to transport resources to the location and to send power to local grids to be consumed. Pros virtually limitless small land footprint zero emission cons limited availability high initial cost requires careful management. Geothermal energy is adequate to supply the energy that is needed by many people, but only a small fraction may be profitable exploited. We give you information about system set up, installation, and so much.
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