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Renewable Energy is a Blessing for the Next Generation

Renewable Energy :

Renewable energy is energy collected from renewable resources that are replenished naturally on a human time scale. This includes sources such as sunlight, wind, rain, tides, waves, and geothermal heat. Renewable energy is contrasted with fossil fuels, which are used much faster than they are replenished. Most renewable energy sources are sustainable, but some are not. For example, some biomass sources are considered unsustainable at current rates.

Renewable energy often provides energy in four important areas: power generation, air, and water heating/cooling, transportation, and rural (off-grid) energy services. About 20% of human global energy consumption is renewable, including nearly 30% of electricity. About 8% of energy consumption is traditional biomass, but this is declining. More than 4% of energy consumption is thermal energy from modern renewable energies such as solar hot water, and more than 6% of electricity is consumed. Renewable energy is derived from natural processes that are constantly replenished. In various forms, it is derived directly from the heat generated by the sun or deep in the earth. The definition includes electricity and heat generated from solar, wind, marine, hydropower, biomass, geothermal resources, biofuels derived from renewable resources, and hydrogen.

What are the main sources of renewable energy?

solar power.

Renewable Energy

wind power.


biomass energy.


tidal power generation.

Renewable energy often displaces conventional fuels in four areas:

Power generation, hot water/heating, transportation, rural (off-grid) energy services


By 2040, renewable energy is expected to equal the power generation of coal and natural gas. Several jurisdictions, including Denmark, Germany, South Australia, and some US states, have achieved high integration of variable renewables. For example, in 2015, wind power met 42% of electricity demand in Denmark, 23.2% in Portugal, and 15.5% in Uruguay. Interconnectors allow countries to balance their power systems by allowing imports and exports of renewable energy. Innovative hybrid systems have emerged between countries and regions.


Solar hot water makes a significant contribution to renewable heat in many countries, particularly China, and currently accounts for 70% of the global total (180 GWth). Most of these systems are installed in multi-family apartment buildings and serve the hot water needs of about 50 to 60 million households in China. Total solar hot water systems installed worldwide to meet the water heating needs of more than 70 million homes. The use of biomass for heating also continues to increase. In Sweden, the national use of biomass energy has surpassed that of oil. Direct geothermal heat for heating is also growing rapidly. The most recent addition to heating is the geothermal heat pump, which provides both heating and cooling, and is an increasing national priority by flattening the electricity demand curve (see Renewable Thermal Energy).


Buses powered by biodiesel fuel

Bioethanol is an alcohol made by fermenting carbohydrates produced from sugar or starch crops such as corn, sugar cane, and sorghum. Cellulose biomass derived from non-food sources such as trees and grass is also being developed as a feedstock for ethanol production. Ethanol can be used as a vehicle fuel in its pure form but is commonly used as a gasoline additive to increase octane and improve vehicle emissions. Bioethanol is widely used in the United States and Brazil. Biodiesel can be used as a fuel for vehicles in its pure form but is commonly used as a diesel additive to reduce particulate, carbon monoxide, and hydrocarbon levels in diesel vehicles. Biodiesel is produced from oils or fats via transesterification and is the most common biofuel in Europe.

A solar vehicle is an electric vehicle that is fully or substantially powered by direct solar energy. Photovoltaic (PV) cells, typically included in solar panels, convert solar energy directly into electrical energy. The term “solar vehicle” generally means that solar energy is used to power all or part of the vehicle’s propulsion. Solar power may also be used to provide power for communication or control or other auxiliary functions. Solar vehicles are not currently sold as practical day-to-day transportation devices but are primarily government-sponsored demonstration vehicles and engineering practices. Famous examples are Planet Solar and Solar Impulse. However, indirectly, solar-powered vehicles are widespread, and solar boats are commercially available.

Benefits of Renewable Energy

Renewable energy offers a number of benefits, including providing a freely available source of energy. As the sector grew, so did job creation to develop and install future renewable energy solutions. Renewable resources can also provide more energy access and lower energy costs in developing countries.

Of course, one of the biggest benefits of renewable energy is that most are considered green and clean energy. This has led to the growth of renewable energy, with wind and solar power being particularly prevalent.

However, these green benefits are not the only conservation of renewable energy sources. Nuclear power is also a carbon zero energy source because it produces or emits very low levels of CO2. Because nuclear energy is a reliable source that does not depend on weather conditions, some prefer nuclear energy over resources such as solar and wind power. This explains some of the downsides of renewable energy.

Where is renewable energy most used?

A study of countries around the world found Germany to be the largest user of renewable energy at 12.74%. It was followed by the UK (11.95%), Sweden (10.96%), Spain (10.17%), Italy (8.8%), Brazil (7.35%), Japan (5.3%), Turkey (5.25%), and Australia (4.75%). %) and the United States (4.32%) both made the top 10.

Clearly, much work will be needed to increase this utilization to reach a fully renewable future, but these demands are driving the industry forward and creating opportunities in this sector.

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Renewable energy, along with other clean resources such as nuclear power, is likely to be a large part of the future energy mix. The push towards a greener future for power generation is fueling increased job creation in renewable power industries such as solar and wind power. This trend is likely to continue as the government strives to reach net zero. Renewable energy is important because it has the potential to provide instant power without using natural resources. It also lowers the risk of environmental issues such as fuel spills, minimizes emission issues, and reduces the need for imported fuel. With a stable supply and fuel diversification, renewables can meet our electricity needs for years to come.

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