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In page Solar energy conversion:

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Photovoltaics (PV) use silicon solar cells to convert sunlight into electricity through the photoelectric effect, which results in the emission of electrons.[1] Concentrated solar power (CSP) uses lenses or mirrors with tracking devices to focus a large area of sunlight into a small beam. Solar power is anticipated to become the world's largest source of electricity by 2050. Facilities such as the Ivanpah Solar Power Plant in the Mojave Desert produce over 392 MW, while projects exceeding 1 GW (1 billion watts) are in development and expected to shape the future of solar power in the United States.[citation needed]