Energy refers to the ability to work. It exists in different forms, including electrical, potential energy, light, kinetic energy, and heat. Sources of energy are classified into non-renewable and renewable energy.
Energy: How Is It Produced?
Water is heated in nuclear power plants to produce steam. The produced steam is then used to spin turbines and generate electricity. Power plants use the heated water using the heat produced during nuclear fission. Energy is released upon the split of the atoms produced by nuclear fission.
Renewable Energy Sources
Sources of renewable energy include natural processes that allow for constant replenishment. They include wind, biofuels, hydrogen, geothermal, hydropower, solar, and porno ocean.
The earth’s energy primary energy source is the sun. Sunshine is always clean and renewable. It is a sustainable energy source and never runs out. Maintaining energy from the sun is always easy, given that the sun shines every day. Solar energy experts use solar Photovoltaic cells to convert solar energy into electricity. Energy from the sun can be used directly or stored in batteries.
Wind power is freely and abundantly available. It is also friendly to our surroundings. The power from the wind can be used to turn the shafts to which a windmill is attached, generating energy. Electricity is usually generated as the shaft moves through a generator or pump.
Sunshine produces biomass through photosynthesis. Then the biomass passes through cycles meant to produce different forms of energy. For instance, animal fodder produces dung, which can be converted into agricultural waste used for cooking. Biomass is a reliable energy source that accounts for most of the fuel used in rural areas. Most people use it for heating and household cooking. Other forms in which biomass is used for household heating include dried dung, charcoal, wood, and agricultural waste.
The ocean tides and flowing rivers can be reliable sources of energy. Water covers the largest part of the universe, so it can be a reliable energy source. While currently under-utilized, ocean tides and flowing rivers and streams can produce a lot of energy. Constructing a barrage across an estuary can help capture tidal water, which can be used to turn hydro-turbine used for energy production. Placing a floating device on the surface of water or attaching it to the ocean’s floor can help capture tides and waves. These tides and waves can produce energy used to turn turbines in a power plant.
There exists so much heat in the earth’s crust. Geothermal plants convert this heat into electricity. In some cases, it can be used for direct heating. Geothermal power is eco-friendly and severe climatic conditions such as winter can’t affect it. That said, geothermal is a more reliable energy source than solar energy and hydropower.
Non-renewable energy sources include coal, natural gas, and oil. They are also known as fossil fuels and are obtained from the remains of animals and plants that died thousands of years ago. These are the world’s top sources of energy. Though widely used, fossil fuels cause significant harm to the environment in the form of pollution.
Energy comes from different sources, and it is produced using different technologies. Main energy sources are categorized into renewable, non-renewable, and nuclear energy.
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