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Geothermal Energy: Pros And Cons, What Does The Future Hold?
The post Geothermal Energy: Pros And Cons, What Does The Future Hold? appeared first on Homedit.
These days, the type of energy we use to power the world matters. This is because the world matters. It has always mattered, it matters now, and it will matter in the future. But today, there are so many different types of energy. One interesting type of energy being used today is geothermal energy. While…
Dry steam is the oldest form of geothermal technology. It is a simple method that takes the steam out of the ground and uses it to directly power a turbine. This can look like manmade geysers before the turbine is installed.
For example, not long ago, we couldn’t harness this energy at all. Now, we can hardness it in large amounts in some areas. And in all areas, we can produce both heat and cold from the earth to cool and heat any house.
What Is Geothermal Energy?
It isn’t hard to imagine a future powered by green energy. One with fewer gasses in the air. One focused on keeping the environment healthy for our grandchildren. There are many steps we need to take to get there, could geothermal energy be one of them?
Today, less than 1% of the world’s energy production comes from geothermal sources. However, the primary reason for that? Money. Over the last few years, the cost of producing geothermal energy has decreased.
Flash plants use high-pressure hot water that means cold water to create steam that powers units above the ground. This is a cheap and fast way to create geothermal energy and probably the most popular due to that.
Types Of Geothermal Energy Plants
Although geothermal energy does emit gases like sulfur dioxide and carbon dioxide, it does not require fuel to generate electricity. Geothermal power plants emit 97% less acid rain-causing sulfur compounds and about 99% less carbon dioxide than fossil fuel power plants of similar size.
It is unlikely that it will stop decreasing anytime soon. This is a huge incentive for the government and for companies producing other types of energy. If we can lower the cost of producing it, we can get more people on board.
Dry Steam
So yes, according to Energy Information of America, geothermal energy has almost no negative environmental effects. This is the number one reason more companies are turning to it. The conversion is slow, but the future is bright.
Flash
Today, there are three main types of geothermal energy plants. The largest geothermal plant is located in California and is known as The Geysers. It is actually a collection of over 20 plants and produces 1.5GW of energy.
Binary
The post Geothermal Energy: Pros And Cons, What Does The Future Hold? appeared first on Homedit.
Geothermal Energy Pros and Cons
Binary plants pass hot water through a secondary liquid with a lower boiling point. It is a slower method than the flash plant method. It can use cooler temperatures than other plants so it works well in cooler climates.
Pros
- Environmentally Friendly – the first thing that comes to mind when switching to geothermal energy is the environmental impact it can have. The savings of up to 80% over conventional energy usage are always a good thing.
- Renewable – geothermal always ranks near the top when compared to other energy sources as far as renewability goes. It isn’t as restricting as others at all. It will last for as long as the earth itself does.
- Sustainable – geothermal energy is not dependant on the season. It is there at all times and doesn’t need sun or wind to survive. The places that have geothermal energy never run out due to the weather.
- Predictable – because it doesn’t need outside energy from the sun or wind, geothermal energy is easy to predict. One can calculate exactly how much energy output will be provided for an extended period of time.
- Endless Possibilities – there is quite a future for geothermal energy. We’ve only been working with it for just over 100 years, so we’ve really only scratched the surface of what it can do for our world.
Cons
- Can’t Use Everywhere – due to the hot temperatures that need to survive in order for the energy to survive, geothermal energy isn’t ideal for just any piece of land. The area needs to be just a certain way.
- Increased Subterrean Gas Emission – the gasses emitted from using geothermal energy are the same gasses that are released every day from the earth. They are simply released at an increased amount.
- Expensive – geothermal energy is expensive. The investment will be earned back in less than ten years, but the initial cost is higher than other energy sources. But that number is expected to decrease.
- Intense Management – like any energy source, geothermal energy needs to be monitored by someone trained to do so. It relies on an overseer to take responsibility for the plant and the way it provides energy to the area.
Can You Have Your Own Geothermal Energy Source?
So it’s a quite recent way to draw energy for us. Geothermal energy is the heat that comes from the sub-surface of the earth. You see, the center of the earth is around 10,000 degrees Fahrenheit. The closer you get to that, the warmer the earth is.
To get warm earth, you need to dig below the earth’s crust to reach hot streams or seismic rocks to be used for power. So to harness this heat and energy, wells are dug a mile deep and turbines are connected.
Notes On Geothermal Heating And Cooling
- Average Lifetime – 18-23 years
- Payback Time – 2-10 years
- Average Installation Cost – $20,000 to $40,000
- Energy Bill Reduction – 40%-60%
The short answer is yes. When using geothermal energy in your home though, it is primarily to what and cool. After all, the temperature below the ground is cooler before it gets hot. So you can find both cooler and warmer temperatures.
You can think of geothermal energy as an underground powerplant that is preset and ready to use. If we can find more efficient ways to tap into it, then we can power the entire world in the easiest process yet.
Environmental Impact Of Geothermal Energy
Have you ever noticed that there are hot springs in some of the coldest places on earth? This just might be nature, or a higher power, trying to tell us something. Geothermal energy was first used by humans in Italy in 1904.
It is possible that in the future, we find ways to tap into the earth’s heat and produce power no matter where the land is located. But that will take a lot of time, money, and experimentation. Things that are not readily available.
The Future Of Geothermal Energy
One interesting type of energy being used today is geothermal energy. While it’s not nearly as common as oil or gas energy, it is growing in popularity as the world looks for alternative resources that won’t expire.
Geothermal energy to power your home is quite uncommon, but to what and cool your home is another story. Other countries, like the United Kingdom, have even added government incentives, encouraging green energy.
The downside is that the land must be seismic. So we would need to find these areas and produce enough power to power the entire population of the area until it meets the next seismic land. We need to connect the pieces of the puzzle.
What It Looks Like
These days, the type of energy we use to power the world matters. This is because the world matters. It has always mattered, it matters now, and it will matter in the future. But today, there are so many different types of energy.
Every type of energy has its pros and cons. While oil and gas have more obvious pros and cons, geothermal energy may not be that obvious to those who haven’t studied it. Statistics for geothermal energy are important.
Where Have We Come From?
No one knows for sure what the future holds. All we can do is take the small steps towards a brighter, more sustainable future by taking care of the earth we live on today.
One of the main cost factors in producing geothermal power plants is that the materials used for the wells must be made of materials resistant to salt. Since there is so much salt in the layers beneath the crust, the wells can easily corrode.
Got Salt?
Salt accelerates the corrosion of steel, so protective layers are needed. In the future, we can easily imagine more efficient materials and processes for extracting geothermal energy. Or, a way to make the current materials cheaper and resistant to corrosion.
This is equal to the amount of power produces by over 600 wind turbines, 3,000 Corvette Z06s, or nearly 2 million horses running. That seems like a lot of power, but it’s only a small fraction of what it could be.
Where Are We Going?
Did you know that geothermal energy is a source that is thousands of times larger than all the oil and gas fields combined? Of course, it is! Geothermal energy can be found under the entire earth’s surface, not just certain areas.
It’s only a matter of time before more incentives and more plants are created. For now, you will need to stick with heating and cooling, but before long, it may be possible to power your own home with geothermal energy.
This is why you can both heat and cool a home with geothermal energy. While you can’t use it to power your home, here is what you need to know about using geothermal energy to heat and cool your home.