Here are the extracted tags from the provided content: solar energy
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What does 100 watts of solar energy represent?
1. 100 watts of solar energy represents the output of a solar panel under standard test co…
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How many countries in the world have solar energy?
1. There are currently 195 countries in the world, with **various numbers actively utilizi…
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What to do with solar energy in winter
Solar energy can be effectively utilized in winter, and there are several key strategies t…
