An Introduction To Geothermal Energy And The Pros And Cons Of It
There may be a whole lot of disagreement taking place about geothermal energy nevertheless
it without doubt is among the most budget friendly green energy solutions that is out there. Geothermal energy operates throughout every season and it can help save a good deal on your energy costs. It is cheaper than solar energy plus its totally clean and environmentally friendly.
The best part of geothermal energy is that it may be used in all varying weather conditions. It doesn't matter if it's chilly or scorching outdoors the geothermal heat pump technique continually works (as opposed to solar power panels for instance for which you require the sun's rays to shine for the solar panels to produce anything). Geothermal systems require small upkeep and they are generally built to work for many years. They can be scaled according to the requirements. It's a wonderful solution for either household or commercial use.
But just what is geothermal energy anyway?
The phrase "geothermal" is of Greek origin, meaning "heat inside the earth". We mostly distinguish two kinds of geothermal energy. The first is geothermal heat which is created out of the magma of the planet, with the help of nuclear reactions. Down the middle of our planet temperatures are so incredibly hot (~7200 F or ~4000 C) that rock turns into liquid which in turn slowly flows towards the surface of the planet. Usually, the temperature goes up about 120 F (~50 C) with just about every mile (~1.6 km) in the direction of the middle of the earth. The second kind of geothermal heat basically is from the sun. The sun warms up the initial few meters of the top of our Earth and this may also be harnessed.
Then what is in it for me?
Geothermal energy is generally used in heating or cooling. It can generate heating during winter and cooling can be achieved by using it throughout the summer months. It can also help meet warm water requirements of a household. Obviously there are good and bad points of geothermal energy, but the advantages generally outweigh the disadvantages.
Positives
Environmentally friendly
This is probably the foremost advantage of geothermal energy. Contrary to traditional energy sources like for example non-renewable fuels and coal, geothermal energy is part of the renewable energy sources like wind power, solar power, wave, and so forth The heat from the ground is just about limitless. This means that once a geothermal heat pump system is established, it's going to supply power continually, without needing to restore the source of the energy, as it is naturally refilled.
Alternative
Sustainability is definitely the other major benefit of geothermal energy. It doesn't produce air pollution of any kind therefore it will not cause long-term harm to our habitat. We are able to benefit from this "renewable" energy without needing to compromise the capability of our children and grandchildren to supply their energy needs.
Can easily save a lot of cash
Needless to say this can be one of the many pros if we look at it from a budgetary standpoint. On the long term it can help you save tons of money on our energy bills. It can be estimated that in something like 5-8 years the original investment pays off so one can really enjoy "cost-free" electrical power afterwards (be aware that this is with recent systems and prices, this will surely go down in the foreseeable future as a growing number of people will begin choosing geothermal energy)
Free from harm
Operating a geothermal heat pump is very safe (if installed appropriately by an experienced specialist). You don't have to be concerned about carbon-monoxide poisoning, it cannot catch on fire, it cannot explode and it doesn't radiate. No routine repairing or annual checks are obligatory.
Consistent rate of electricity
One of the major challenges with alternative energy technologies would be the fact they are somewhat unpredictable. The wind can easily cease blowing for a while, the sun doesn't constantly shine, and so on Luckily for us this is not happening with geothermal energy. One could consistently make use of geothermal heat, because it is basically constant (approx. 60 F or 16 C at the depth of 6 feet or 1.8 meters). The deeper the piping is in the earth the warmer it becomes thus giving more geothermal energy.
Infinite capacity and availability
It is probably evident but
geothermal power provides unrestricted capability. It will probably never (in any case not over the following couple of million years) become depleted and it is always obtainable.
Can be utilized for a wide variety of purposes
Geothermal supplies are located on all continents and is utilized from commercial to residential electricity generation.
Cons
Initial expenses can be high
At the moment this is very likely the main drawback. It is more expensive to build a geothermal heat pump system than a standard system.
Large area necessary
A quite large spot is needed to install a geothermal heating system. If a spacious back garden or area is available this will not be such a major issue, but a geothermal heat pump system won't be achievable in the back garden of an urban house, at least not with horizontal piping. Vertical pipes can also be used, but it is a lot more challenging and more expensive to drill vertically rather than horizontally.
Electric power is still required
A heat pump needs electric power to work. This is really a drawback of a heat pump and not geothermal energy itself, however it needs to be considered when deciding if a geothermal heat pump system is the answer.
by: Jordon Flenory
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