Today we will talk about one of the biggest energy companies in the world. Progress Energy, based in Raleigh, North Carolina, is a subsidiary of Duke Energy. Progress Energy is a company with a production capacity of 21,000 megawatts before merging with Duke Energy. Progress Enegy is a Fortune 500 energy company with an annual revenue of $ 9 billion. We will go ahead with energy proding methods now from below.
How to produce energy? How is energy gained?
According to a physical law, energy is not lost, but transforms into another form of energy. This law was used more than 200 years ago in the construction of the steam engine, on whose principle energy is still obtained today.
Coal, oil and natural gas –Progress Energy Company
For example, to convert the chemical energy of coal, oil and natural gas into electricity, they are burned and used to heat water in a boiler until it evaporates. The steam gets out of the boiler at high speed into a turbine and causes it to rotate. The resulting kinetic energy is finally converted by a generator into electrical energy.
Nuclear fission- Progress Energy Co
A nuclear power plant works on the same principle, except that at the beginning of the heat is not generated by combustion, but by nuclear fission. Because with the cleavage of the atomic nucleus, the binding energy is released, which holds together the smaller elementary particles in the atomic nucleus by an extremely large force.
Wind and water – Progress Energy
Electricity can also be generated from the kinetic energy of wind and water. The wind moves the windmills in the fields. The resulting energy then converts a generator into electricity. That’s exactly how a hydroelectric power plant works. Only strong water flows set huge turbines in motion.
Sunlight –Progress Energy
With the help of solar technology, sunlight is transformed directly into electrical energy. The process for this is about 50 years old and was developed in space. With a 10 cm² solar cell, about 1.5 watts of electricity are generated. To achieve a sufficient amount of electricity, several such solar cells are interconnected.
Geothermal- Progress Energy
Another regenerative energy is geothermal energy. For this purpose, one removes the heat stored in the earth and uses it either directly for heating and cooling or for generating electrical power. This geothermal energy is only a small part of the sunlight back. Rather, she is u.a. the millennium-old result of radioactive decay processes. Today, temperatures of up to 40 ° C can still be measured at a depth of 1 kilometer. To generate electricity, it requires at least 100 ° C of geothermal energy, as can be found in many regions of the earth close to the Earth’s surface (for example, Italy and Indonesia). In Europe people are able to use the geothermal energy with the help of heat pumps for the heating of dwellings and the water heating.
Biomass –Progress Energy
Even cow dung can be used to generate electricity today! A slightly nicer term for this is biomass. But not only animal manure, but also plant waste and food leftovers such as bread, butter and cheese can be used for power generation. Because if they rot under certain conditions, biogas is produced, which can be burned just like natural gas and converted into electricity. Understandably, such biogas power plants are usually located on farms.
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