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Solar energy is the energy harnessed from the sun’s rays using solar panels or other solar technologies. This renewable energy source can be used to generate electricity or heat, offering an environmentally-friendly alternative to fossil fuels.

Solar panels convert sunlight into electricity through photovoltaic cells. These cells capture sunlight and generate an electric current, which is then converted into usable energy for homes or businesses.

The initial cost of installing solar panels can be significant, but it varies depending on factors like location, system size, and installation complexity. However, incentives, tax credits, and long-term savings on electricity bills can make solar energy a cost-effective option over time.

Yes, solar panels can still generate electricity on cloudy or rainy days, although at a lower efficiency compared to full sunlight. Solar energy systems are designed to harness available sunlight, even in less-than-ideal weather conditions.

Most solar panels have a lifespan of 25 to 30 years. After this period, they still produce energy, but their efficiency may gradually decline. Regular maintenance and monitoring can help ensure the longevity and optimal performance of the system.