Solar power Definition and 6 Discussions

Solar power is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV), indirectly using concentrated solar power, or a combination. Concentrated solar power systems use lenses or mirrors and solar tracking systems to focus a large area of sunlight into a small beam. Photovoltaic cells convert light into an electric current using the photovoltaic effect.Photovoltaics were initially solely used as a source of electricity for small and medium-sized applications, from the calculator powered by a single solar cell to remote homes powered by an off-grid rooftop PV system. Commercial concentrated solar power plants were first developed in the 1980s. As the cost of solar electricity has fallen, the number of grid-connected solar PV systems has grown into the millions and gigawatt-scale photovoltaic power stations are being built. Solar PV is rapidly becoming an inexpensive, low-carbon technology to harness renewable energy from the Sun. The current largest photovoltaic power station in the world is the Pavagada Solar Park, Karnataka, India with a generation capacity of 2050 MW.The International Energy Agency projected in 2014 that under its "high renewables" scenario, by 2050, solar photovoltaics and concentrated solar power would contribute about 16 and 11 percent, respectively, of worldwide electricity consumption, and solar would be the world's largest source of electricity. Most solar installations would be in China and India. In 2019, solar power generated 2.7% of the world's electricity, growing over 24% from the previous year. As of October 2020, the unsubsidised levelised cost of electricity for utility-scale solar power is around $36/MWh.

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    Secondary Mirror in Solar Concentrator Dish Designs

    I have been looking at various solar power dish designs. They have one thing in common, they all have their power generators located at the focal point. Why don't any of the designs use a secondary mirror located at the focal point and the generator located center of dish and right behind it...
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    I Explanation for the hyperbolic array of light rays.

    Hello, Recently, a solar power tower plant was founded next to where I work. Since it's the tallest object in the area, it's quite hard to miss it. But apart from that, every morning the reflected light is arranged in a hyperbolic- like way, as you can see in the picture. Does anyone have a...
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    Amplifying the voltage from a homemade battery.... In rural Africa

    Hi PF! Though I've lurked here for some time, this is the first time I've created an account. I'm a volunteer in a country in West Africa. The school I teach at has a tiny library with 4 small dell PC's and a printer that were donated some time ago. A grant was used years ago to buy a battery...
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    My Plug And Play Solar Energy System

    Hi everyone, i'd like to share my packaged (plug and play) solar system project that I assembled at home. I used mostly standard parts such as a charge controller, inverter, 12 Volt UPS battery, and a pair of NEMA 5-15 R power outlets. I built the automatic transfer switch and battery...
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    B Aim the solar furnace up! :)

    If one was to create an array of X amount of mirrors tracking the sun and shining on a targeted spot in the sky to create ions at specific elevations similar to a ladder, could this cause an ion column to create a continuous charge of energy from the upper atmosphere to hit the ground? Lets...
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    What is the forefront of research in energy?

    Essentially, I'm wondering (knowing virtually nothing at present), what is at the front of modern research in the realm of energy. Whether this be renewable energy, or simply more efficient ways of using energy (e.g. fuel cells?). I assume nuclear fusion will be mentioned too, so what obstacles...