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Renewable Energy

Renewable energy, also called alternative energy, usable energy derived from replenishable sources such as the Sun (solar energy), wind (wind power), rivers (hydroelectric power), hot springs (geothermal energy), tides (tidal power), and biomass (biofuels).

The clean energy industry generates hundreds of billions in economic activity, and is expected to continue to grow rapidly in the coming years. There is tremendous economic opportunity for the countries that invent, manufacture and export clean energy technologies.

Renewable energies are sources of clean, inexhaustible and increasingly competitive energy. They differ from fossil fuels principally in their diversity, abundance and potential for use anywhere on the planet, but above all in that they produce neither greenhouse gases – which cause climate change – nor polluting emissions. Their costs are also falling and at a sustainable rate, whereas the general cost trend for fossil fuels is in the opposite direction in spite of their present volatility.

Wind energy

Wind is the second most widely used renewable energy source, as global installed wind power capacity exceeded 563GW in 2018, accounting for approximately 24% of the world’s total renewable energy generation capacity.

China, with an installed capacity of more than 184GW, is the biggest wind energy generator in the world, followed by the US (94GW by the end of 2018). More than half of the 49GW wind power capacity added worldwide in 2018 was in China (20GW) and the US (7GW).

Germany, Spain, India, the UK, Italy, France, Brazil, Canada, and Portugal are the other major wind power-producing countries, which together with China and the US, account for more than 85% of total wind power-producing capacity in the world.

Bio-power

Bio-power is the fourth biggest renewable power source after hydro, wind and solar. The world’s net electricity production capacity from bio-mass currently exceeds 117GW, while global bio-power generation increased from 317TWh in 2010 to more than 495TWh in 2018.

Modern biomass, especially biofuels and wood pellets, are increasingly being used for heat and power generation, alongside traditional biomass sources such as agricultural by-products.

Biomass and biogas: energy extracted from organic material

Tidal energy: energy obtained from the tides

Bioethanol: organic fuel suitable for vehicles and obtained from fermentation of vegetation

Biodiesel: organic fuel for vehicles, among other applications, obtained from vegetable oils  

Solar energy is a renewable free source of energy that is sustainable and totally inexhaustible, unlike fossil fuels which are finite. It is also a non-polluting source of energy and it does not emit any greenhouse gases when producing electricity. The solar electricity that is produced can supply your entire or partial energy consumption.

Solar panel No fuel to burn

After solar panels have been installed, operational costs are quite low compared to other forms of power generation. Fuel isn’t required, and this means that solar power can create large amounts of electricity without the uncertainty and expense of securing a fuel supply.

 As a renewable CO2-free power source, the environmental impact of solar power is significantly smaller than other power generation methods. The impact is mainly related to the production and supply of the special materials and metals that are required to produce solar panels. The location and the water used to clean the solar panels also affect the environment. We are working hard to find alternative ways to clean our solar panels.

What does solar array mean?

If you find solar energy terminology confusing, you’re certainly not alone. Solar energy takes into account several distinct concepts and unites them to one purpose: supplying the world with clean, renewable energy. In short, solar energy covers many topics and has many different applications. Not so long ago, solar energy was considered too expensive to be viable, but today, residential solar power is here to stay, and it has become even more affordable to install solar panels with state and federal incentives. The problem is that as a homeowner you may not understand the intricacies of utility-scale electricity, or the ins and outs of residential solar energy systems. What matters most to you is reducing — or eliminating altogether — your dependence on nonrenewable energy sources that release harmful greenhouse gases into the air.

How do solar arrays generate electricity?

Solar arrays generate electricity by converting sunlight into an electrical current. Specifically, the current generated by a solar array is direct current (DC). However, your home appliances and electronics require alternating current (AC) to work properly, which is how energy companies provide power to your home. Never confuse DC electricity with AC electricity. Installing a residential solar energy system is no easy task for a novice, so unless you’re extremely knowledgeable about electricity, solar energy is not a do-it-yourself project, no matter how independent you want to be. There are simply too many safety concerns when you begin to connect any home to any electrical grid in any manner.

Rooftop solar panels are one example of distributed solar photovoltaic systems. Whether grid-connected or part of standalone systems, they offer hyper-local, clean electricity generation.

Rooftop solar is spreading as the cost of panels falls, driven by incentives to accelerate growth, economies of scale in manufacturing, and advances in PV technology. Innovative end-user financing, such as third-party ownership arrangements, have helped mainstream its use. Yet, costs associated with acquisition and installation can be half the cost of a rooftop system and have not seen the same dip.

In grid-connected areas, rooftop panels can put electricity production in the hands of households. In rural parts of low-income countries, they can leapfrog the need for large-scale, centralized power grids, and accelerate access to affordable, clean electricity—becoming a powerful tool for eliminating poverty.

To know more visit: https://www.jssrenewable.com/

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