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HomeAfricaThe rise of solar electricity is vital, less expensive, and changing.

The rise of solar electricity is vital, less expensive, and changing.


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By the middle of the next century, solar electric system energy alone might theoretically account for half of the world’s electricity supply.

Solar panel technology is advancing quickly as costs fall for a crucial component of the global energy shift. It can now produce power from sunlight reflecting off the ground, operate at night, and even help grow strawberries.

In order to achieve the Paris climate agreement’s goal of keeping temperature increases to 1.5 degrees Celsius over pre-industrial levels. The International Energy Agency (IEA) predicts that solar energy will need to scale up dramatically this decade.

Good News

The good news is that prices have significantly decreased.

The Intergovernmental Panel on Climate Change stated that costs for solar units had decreased by 85% between 2010 and 2019. While costs for the wind had decreased by 55%, in a study on solutions published earlier this year.

According to some, it’s the most affordable way people have ever been able to produce power on a large scale, said Gregory Nemet, a professor at the University of Wisconsin-Madison and the report’s lead author.

Experts anticipate that the high cost of fossil fuels and worries about energy security brought on by Russia’s invasion of Ukraine will hasten the adoption of renewable energy sources.

US Climate

The ambitious US climate measure allots $370 billion for initiatives to reduce greenhouse gas emissions by 40% by 2030.

According to a study conducted by Princeton University researchers, there may be five times as many solar electric system additions in 2025 as there were in 2020.

By the middle of the century, solar energy alone may conceivably account for half of the global electricity supply, while Nemet advised against searching for “magic solutions.”

He told AFP, “I think there truly is huge potential.

Sudden changes

The method by which solar cells transform sunlight into electrical energy is known as the “photovoltaic effect,”. In 1839 French physicist Edmond Becquerel identified it.

After decades of advancements, the first solar-powered satellite was launched in 1958. The United States produced silicon-based solar cells in the 1950s.

According to the IPCC, smaller-scale energy technologies, like solar and batteries, have so far shown to be easier to improve upon and embrace than more substantial ones, like nuclear.


China is producing almost all of the solar panels. Those are currently illuminating rooftops and covering broad fields of silicon semiconductors.

But technological advancements happen swiftly.

According to a recent assessment from the IEA, typical solar modules installed just four or five years ago were one-fifth less efficient at turning light into energy than these new solar cells.

Experts expect that a variety of novel materials and hybrid cells could boost efficiency.

Thin Film

These include “thin film” technologies that are affordable, effective, and portable. Experts say they open up the possibility of greatly expanding the areas where solar energy is available.

Recent studies have given rise to optimism that it would be feasible.

Other research combines components for various objectives.

What occurs after sunset, then? Using heat that escapes from Earth back into space. Stanford researchers claimed this year that they had created a solar cell that could capture energy overnight.

Electric Power

Ron Schoff, who is in charge of the research for Renewable Energy and Fleet Enabling Technologies at the Electric Power Research Institute, stated, “I think there’s a lot of inventiveness in this industry.

According to Schoff, “bifacial” solar is one efficiency-enhancing design that is gaining popularity for large-scale projects.

These double-sided units also take in light that is reflected off the ground below in addition to energy from the sun directly.

Ten years ago, India was the first country to put solar panels over canals to generate power while lowering evaporation.

According to Californian scientists, the drought-prone US state could save almost 63 billion gallons of water if it shaded its canals.

Pilot Project

A pilot project’s construction will start this year.

According to experts, there will be a variety of energy sources, with different technologies better suited for various locations.

According to Schoff, large-scale facilities using things like pumped water or compressed air are ultimately needed to store energy for those energy systems with more than 25 percent solar and wind generation.

He claimed that because solar electric system energy is modular. Developing nations will install with limited access to conventional grids.

The largest power plants in the world and anything as little as a watch may both use solar energy, he said.

That, in my opinion, is what has people so fired up.

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