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Photovoltaic Solar Power Is Booming

Photovoltaic panels (or modules) can be adapted for a number of uses. ©THINKSTOCK

A module (or panel) just a few square centimeters in size is responsible for the spectacular growth of PV solar power. These millions of tiny components, available all over the world at one-fifth their cost five years ago, are poised to spur an energy revolution.

Le développement du photovoltaïque dans le monde

Led by China and Japan in Asia, the United States in North America and Germany in Europe, photovoltaic (PV) solar powerIn physics, power is the amount of energy supplied by a system per unit time. In simpler terms, power can be viewed as energy output... is poised for robust global growth. Some forecasts estimate it will meet nearly a third of the world’s power demand in 50 years’ time.

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Les différents types de technologies photovoltaïques

The PV sector currently employs three main technologies. By far, the most common one uses a superabundant material, called siliconSilicon crystals come from silica, the main compound in quartz and sand. Silicon is a semi-conducting material.. The second, a thin film technology, involves the depositAn accumulation of natural resources, such as oil, natural gas, coal, uranium, metal ore or another commodity... of a combination of various materials in ultra-thin layers onto a substrate. And the third, concentrated photovoltaics, or CPV, focuses sunlight up to 1,000 times its normal intensity on the cells.

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Photovoltaïque : une filière de plus en plus compétitive

Photovoltaic (PV) solar technology continues to grow at a significant pace, generating electricityForm of energy resulting from the movement of charged particles (electrons) through a conductor... at increasingly competitive costs compared with other sources of energy. Solar park developers compete aggressively on price when responding to calls for tender. This situation encourages the expansion of photovoltaic powerIn physics, power is the amount of energy supplied by a system per unit time. In simpler terms, power can be viewed as energy output..., but could potentially threaten the long‑term profitability of projects.

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