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Cheap solar panels are changing the world


“This is unstoppable.”

Solar can be built faster and with fewer permits than other forms of energy infrastructure, mostly because the panels are flat and modular (unlike, say, a towering wind turbine or a hulking gas-fired power plant). In addition to supplying the rest of the world with panels, China installed more than half of the planet’s new solar capacity within its own borders in 2023, and the Ember report says it’s on track to add a similar amount this year. Jessika Trancik, an MIT professor who models clean-energy development, told me that governments need to steer investments toward storage and alternate forms of energy to compensate for that inherent downtime.

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