ManagEnergy – Renewable Energy

Renewable Energies Related to the Sun




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Renewable energies can be considered an alternative source of energy. These energies can be generated from natural sources like the sun. The sun’s radiation can generate heat, trigger chemical reactions and even electricity. The world needs enough solar energy to power its entire economy. Solar energy is a non-polluting, renewable, and unlimited resource that is expected to continue to grow.

how are renewable energies related to the sun

Solar energy

Each day, the Sun produces approximately 420 trillion kilowatthours of energy. This is thousands of times more than what we humans use. We can capture some of this energy by using solar heaters, photovoltaic cells, and photosynthesis. A square kilometer of land receives approximately 4000 kW (4MW) of solar energy each day.

However, solar energy is still not fully utilized. Because of the Earth’s rotation around Sun and seasonality, solar power is not always available. Solar thermal power plants can incorporate thermal energy storage, enabling them to run around the clock.


Photovoltaics are renewable energy technologies that convert light from the sun into electricity. These systems can be used to power various kinds of equipment. They are useful for both public and private use. Some of these systems are even able to be integrated into buildings. These systems include solar panels, batteries, and other electrical devices.

Photovoltaic cells and solar panels are two of the most popular types. Solar cells are usually made of silicon and can convert sunlight directly into electricity. Some photovoltaic cell can also convert artificial sunlight into electricity. The photovoltaic effect occurs when light strikes a semiconductor, which knocks loose electrons. These electrons are then directed by an electrical field to an external object, which can be anything from a calculator to a large power station.

One of the major benefits of solar energy is that it is renewable, without a carbon footprint. Solar panels can last for 25 years or longer without losing efficiency. Additionally, solar panels are more environmentally-friendly than other solar energy systems and are made from increasingly recycled materials. Although solar PV is a great source of renewable energy, it may not be the right choice for every home or company.

Wind turbines

Wind turbines work by harnessing the energy from the wind to power a generator. They usually consist of three blades mounted on a tower. The towers are usually made of steel and can be more than 100 feet high. The towers are taller, so more wind can be generated. The rotor (or the blades) spins and generates electricity.

Wind turbines are a renewable energy source that has lower environmental impacts than fossil fuels. As they do not require water for cooling, wind turbines are more environmentally friendly than traditional energy sources. They also reduce the use of fossil fuels for power generation, which results in lower total air pollution and carbon dioxide emissions. Wind turbines can be placed on open land, mountain tops, or even in the lakes to form a wind farm.


Biomass can be used to generate electricity, heat, or liquid fuels. It is a renewable energy source. Its main drawbacks include its environmental impact, and the need to consume large quantities of water. Biomass electricity can be generated by burning biomass directly or by capturing the methane gas produced from decomposing organic matter.

Biomass for electricity has been promoted as carbon-neutral, but in reality it will contribute to significant net CO2 emissions for decades to come. However, this practice is not controversial and some EU states are developing sustainability criteria for biomass. The power of falling water is another energy source. It is a growing source of energy. Solar energy can be harnessed in a number of different applications, including forestry, agriculture, and heating.

Direct heating is possible with solar energy. Most of our energy needs are for heat below 60oC, but there are many industrial applications that require heat above 110oC. By using solar energy to meet these needs, we can reduce our electricity demand and use fewer fossil fuels.


Hydroelectricity is a form of renewable energy related to the sun that captures the energy from the water and turns it into electricity. The process involves pumping water uphill to a storage pool and releasing it back down to turn turbine blades. It is one the most sustainable sources of energy, and it is also the oldest.

Hydroelectric power is a domestic energy source and allows states to produce their own energy. It also creates reservoirs that can be used for water supply and recreational use. Hydropower installations are usually designed to allow the public to access the reservoir for recreational purposes. Hydropower’s flexibility is another benefit. Hydropower can quickly switch from no power to full output, making them a reliable source of backup power in times of major disruptions. Hydropower can also be used to provide drinking water and flood control.

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