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GEOTHERMAL ENERGY Disadvantages. Advantages
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Disadvantages. Advantages
ADVANTAGES
*It can be extracted without birning a fossil fuel such as coal, gas or oil.
*Geothermal fields produce only about one–sixth of the carbon dioxide that a relatively clean natural–gas–fueled power plant produces.
*Binary plants release essentially no emissions.
*Geothermal energy is always available, 365 days a year
*Its also relatively inexpensive.
DISADVANTAGES
*The release of hydrogen sulfide, a gas that smells like a rotten egg at low concentrations.
*The disposal of some geothermal fluids, which may contain low levels of toxic materials.
*Although geothermal sites are capable of providing heat for many decades, eventually specific locations may cool down.
what are the disadvantages of geothermal energy?
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Some greenhouse gases may rise up to Earth’s surface and up into the atmosphere and can contain toxins from heavy metals.
It can affect the stability of the land (ex. in Switzerland a geothermal power plant created an earthquake with a magnitude of 3.4).
It is very expensive.
characteristics of geothermal energy that are both advantageous and disadvantageous.
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Answer:
What Are the Advantages of Geothermal Energy?
1. Geothermal Energy Sourcing Is Good for the Environment
First and foremost, geothermal energy is extracted from the earth without burning fossil fuels, and geothermal fields produce practically no emissions. What’s more, geothermal energy can be very beneficial, as you can achieve savings of up to 80% over conventional energy usage.
2. Geothermal Is a Reliable Source of Renewable Energy
Geothermal energy also has many advantages when compared to other renewable sources like solar, wind or biomass. It is an exceptionally constant source of energy, meaning that it is not dependent on neither wind nor sun, and available all year long.
When looking at the availability factor, which shows how reliable and constant specific energy sources are, geothermal is ranking on the top (see the figure below), way above the other groups, which supports the argument of its independence on inconstant external circumstances when delivering energy.
3. High Efficiency of Geothermal Systems
Geothermal heat pump systems use 25% to 50% less electricity than conventional systems for heating or cooling, and with their flexible design they can be adjusted to different situations, requiring less space for hardware as opposed to conventional systems.
4. Little to No Geothermal System Maintenance
Due to the fact that geothermal systems only have few movable parts which are sheltered inside a building, the life span of geothermal heat pump systems is relatively high. Heat pump pipes even have warranties of between 25 and 50 years, while the pump can usually last for at least 20 years.
What are the Disadvantages of Geothermal Energy?
1. Environmental Concerns about Greenhouse Emissions
Unfortunately, no matter its reputation of being an environmentally friendly alternative energy source, geothermal energy also causes some minor concerns in regards to the environment.
The extraction of geothermal energy from the grounds leads to a release of greenhouse gases like hydrogen sulfide, carbon dioxide, methane and ammonia. However, the amount of gas released is significantly lower than in the case of fossil fuels.
2. Possibility of Depletion of Geothermal Sources
Furthermore, despite being considered a sustainable and renewable energy, the chances are that specific locations might cool down after time, making it impossible to harvest more geothermal energy in future.
The only non-depletable option is sourcing geothermal energy right from magma but the technology for doing so is still in the process of development. This option is worth the investment mainly thanks to the fact that magma will be around for billions of years.
3. High Investment Costs for Geothermal System
Another disadvantage is the high initial cost for individual households. The need for drilling and installing quite a complex system into one’s home makes the price climb quite high. Nevertheless, the return on such investment is very promising, being able to earn the investment back within 2 to 10 years.
4. Land Requirements for Geothermal System to Be Installed
In case of geothermal systems, having a piece of land next to the house is required in order to be able to install one. That makes geothermal systems hard to be implemented for homeowners in big cities, unless a vertical ground source heat pump is used.
Explanation:
disadvantage of geothermal energy
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Answer:
- May release harmful gases.
- Suited to a particular region.
- Geothermal heat pumps have to be powered.
- Geothermal sites may experience a dry spell.
- Sustainability issues.
- Can cause surface instability.
- Extremely high temperatures required.
Advantage and Disadvantage of Geothermal energy
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Answer:
What are the Advantages of Using Geothermal?
1. Environmentally Friendly
Geothermal energy is more environmentally friendly than conventional fuel sources such as coal and other fossil fuels. In addition, the carbon footprint of a geothermal power plant is low. While there is some pollution associated with geothermal energy, this is relatively minimal when compared to fossil fuels.
2. Renewable
Geothermal energy is a source of renewable energy that will last until the Earth is destroyed by the sun in around 5 billion years. The hot reservoirs within the Earth are naturally replenished, making it both renewable and sustainable.
3. Huge Potential
Worldwide energy consumption is currently around 15 terawatts, which is far from the total potential energy available from geothermal sources. While we can’t currently use most reservoirs there is a hope that the number of exploitable geothermal resources will increase with ongoing research and development in the industry. It is currently estimated that geothermal power plants could provide between 0.0035 and 2 terawatts of power.
4. Sustainable / Stable
Geothermal provides a reliable source of energy as compared to other renewable resources such as wind and solar power. This is because the resource is always available to be tapped into, unlike with wind or solar energy.
5. Heating and Cooling
Effective use of geothermal for electricity generation requires water temperatures of over 150°C to drive turbines. Alternatively, the temperature difference between the surface and a ground source can be used. Due to the ground being more resistant to seasonal heat changes than the air, it can act as a heat sink/ source with a geothermal heat pump just two metres below the surface.
6. Reliable
Energy generated from this resource is easy to calculate since it does not fluctuate in the same way as other energy sources, such as solar and wind. This means we can predict the power output from a geothermal plant with a high degree of accuracy.
7. No Fuel Required
Since geothermal energy is a naturally occurring resource there is no fuel required, such as with fossil fuels that are a finite resource which needs mining or otherwise extracting from the earth.
8. Rapid Evolution
There is a great deal of exploration into geothermal energy at the moment, meaning that new technologies are being created to improve the energy process. There are an increasing number of projects to improve and grow this area of industry. With this rapid evolution many of the current cons of geothermal energy will be mitigated against.
What are the Disadvantages of Geothermal Energy?
1. Location Restricted
The largest single disadvantage of geothermal energy is that it is location specific. Geothermal plants need to be built in places where the energy is accessible, which means that some areas are not able to exploit this resource. Of course, this is not a problem if you live in a place where geothermal energy is readily accessible, such as Iceland.
2. Environmental Side Effects
Although geothermal energy does not typically release greenhouse gases, there are many of these gases stored under the Earth’s surface which are released into the atmosphere during digging. While these gases are also released into the atmosphere naturally, the rate increases near geothermal plants. However, these gas emissions are still far lower than those associated with fossil fuels.
3. Earthquakes
Geothermal energy also runs the risk of triggering earthquakes. This is due to alterations in the Earth’s structure as a result of digging. This problem is more prevalent with enhanced geothermal power plants, which force water into the Earth’s crust to open up fissures to greater exploitation of the resource. However, since most geothermal plants are away from population centres, the implications of these earthquakes are relatively minor.
4. High Costs
Geothermal energy is an expensive resource to tap into, with price tags ranging from around $2-$7 million for a plant with a 1 megawatt capacity. However, where the upfront costs are high, the outlay can be recouped as part of a long-term investment.
5. Sustainability
In order to maintain the sustainability of geothermal energy fluid needs to be pumped back into the underground reservoirs faster than it is depleted. This means that geothermal energy needs to be properly managed to maintain its sustainability.
It is important for industry to assess the geothermal energy pros and cons in order to take account of the advantages while mitigating against any potential problems
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what are the disadvantages of having geothermal energy?
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Disadvantages of geothermal energy
Environmental issues. There is an abundance of greenhouse gases below the surface of the earth. …
•Surface instability (earthquakes) Construction of geothermal power plants can affect the stability of land. …
•Expensive. …
•Location specific. …
•Sustainability issues.
Compare the advantages and disadvantages of geothermal energy.
Ask: Compare the advantages and disadvantages of geothermal energy.
Answer:
What are the advantages of using geothermal?
Environmentally Friendly – Geothermal energy is more environmentally friendly than conventional fuel sources such as coal and other fossil fuels. In addition, the carbon footprint of a geothermal power plant is low. While there is some pollution associated with geothermal energy, this is relatively minimal when compared to fossil fuels.
Renewable – Geothermal energy is a fully renewable energy source that will last until the Earth is destroyed by the sun in around 5 billion years. The hot reservoirs within the Earth are naturally replenished, making it both renewable and sustainable.
Huge Potential – Worldwide energy consumption is currently around 15 terawatts, which is far from the total potential energy available from geothermal sources. While we can’t currently use most reservoirs there is a hope that the number of exploitable geothermal resources will increase with ongoing research and development in the industry.
What are the disadvantages of geothermal energy?
Location Restricted – The largest single disadvantage of geothermal energy is that it is location specific. Geothermal plants need to be built in places where the energy is accessible, which means that some areas are not able to exploit this resource. Of course, this is not a problem if you live in a place where geothermal energy is readily accessible, such as Iceland.
Environmental Side Effects – Although geothermal energy does not typically release greenhouse gases, there are many of these gases stored under the Earth’s surface which are released into the atmosphere during digging. While these gases are also released into the atmosphere naturally, the rate increases near geothermal plants. However, these gas emissions are still far lower than those associated with fossil fuels.
Earthquakes – Geothermal energy also runs the risk of triggering earthquakes. This is due to alterations in the Earth’s structure as a result of digging.
Answer:
The advantages of Geothermal Energy;
They are environmentally friendly– geothermal energy is more environmentally friendly than conventional fuel sources such as coal and other fossil fuels.
They are renewable– geothermal energy is a source of renewable energy that will last until the Earth is destroyed by the sun in around 5 billion years.
They have huge potential– worldwide energy consumption is currently around 15 terawatts, which is far from the total potential energy available from geothermal sources. While we can’t currently use most reservoirs there is a hope that the number of exploitable geothermal resources will increase with ongoing research and development in the industry.
The disadvantages of Geothermal Energy;
They are location restricted- the largest single disadvantage of geothermal energy is that it is location specific. Geothermal plants need to be built in places where the energy is accessible, which means that some areas are not able to exploit this resource.
There are environmental side effects- although geothermal energy does not typically release greenhouse gases, there are many of these gases stored under the Earth’s surface which are released into the atmosphere during digging. While these gases are also released into the atmosphere naturally, the rate increases near geothermal plants.
It may cause earthquakes- geothermal energy also runs the risk of triggering earthquakes. This is due to alterations in the Earth’s structure as a result of digging. This problem is more prevalent with enhanced geothermal power plants, which force water into the Earth’s crust to open up fissures to greater exploitation of the resource.
GEOTHERMAL ENERGY Advantages : Disadvantages
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Advantages :
Disadvantages
GEOTHERMAL ENERGY
Advantages:
- Environmentally Friendly. Geothermal energy is more environmentally friendly than conventional fuel sources such as coal and other fossil fuels.Comparatively ecologically clean. Unlike coal-fired power plants, geothermal ones use a renewable heat source with a constant supply.
- More energy.
- Stable prices.
- Low operating costs
- Renewable and sustainable source.
- Permanent power supply
Disadvantage:
- Location Restricted. The largest single disadvantage of geothermal energy is that it is location specific.
- Environmental Concerns about Greenhouse Emissions.
- Possibility of Depletion of Geothermal Sources.
- High Investment Costs for Geothermal System.
- Land Requirements for Geothermal System to Be Installed.
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What are some disadvantages of geothermal energy?
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Answer:
Disadvantages of Geothermal Energy
- Geothermal energy has high initial capital costs.
- …May release harmful gases. ..
- .Suited to a particular region. …
- Geothermal heat pumps have to be powered. …
- Geothermal sites may experience a dry spell. …
- Sustainability issues.
- …Can cause surface instability. ..
- .Extremely high temperatures required.
GEOTHERMAL ENERGY Advantages : Disadvantages :
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Advantages :
Disadvantages :
Answer:
GEOTHERMAL ENERGY
Advantages :
Thanks to long-lasting, safe, reliable plants, geothermal energy is increasingly low risk and brimming with untapped potential. It is silent, always available, has little impact on the landscape and is versatile. It can even be used for cooling and creates more jobs than any other green energy.
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Disadvantages :
The largest single disadvantage of geothermal energy is that it is location specific. Geothermal plants need to be built in places where the energy is accessible, which means that some areas are not able to exploit this resource.
Explanation:
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What GEOTHERMAL ENERGY can do?
Geothermal energy can heat, cool, and generate electricity: Geothermal energy can be used in different ways depending on the resource and technology chosen—heating and cooling buildings through geothermal heat pumps, generating electricity through geothermal power plants, and heating structures through direct-use
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