photovoltaic or photo voltaicConverts light into electrical power. Any light, not only direct sun light. The current world wide production should be fast incresed.For example the 1000 W / m² standard Photovoltaic test as the one and only test provesthe low knowledge about this type of solar energy. If You ask for the best Photovoltaic to deliver electric power during 2 cloudy December weeks in Germany, You will get no reasonable answer. If You ask for the best Photovoltaic to deliver electric power during 2 sunny weeks in the Sahara, You can use the 1000 W / m² standard Photovoltaic test.
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