• Solar's efficiency and abundance make it the clean energy source best suited to cut greenhouse gas emissions. But for it to make a big enough climate difference, the amount of solar power generation capacity on U.S. soil would have to increase from today's 20 gigawatts to up to 400 gigawatts, or enough to provide power to 80 million homes.
  • The study says that may not happen in the U.S. unless solar industry-supported funding and incentives are almost completely re-imagined. The solar industry currently supports keeping those incentives in place.
  • As new ways of funding solar power are being worked out, new technology needs to be developed for solar energy storage, smarter power grid management and new kinds of solar panels that use more abundant raw materials that would help keep solar panel prices low, the study suggests.

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