People also ask


  • What is the difference between 鈥渞enewable energy鈥?and carbon-free energy?

  • Most kinds of renewable energy are also 鈥渃arbon-free鈥? they do not emit CO 2 or other greenhouse gases into the atmosphere. Because of this, and because renewables like wind and solar power are so popular in climate activism, the terms 鈥渞enewable energy鈥?and 鈥渃arbon-free energy鈥?are sometimes confused.

  • What does it mean when a company claims to be renewable?

  • Corporations that claim to be 100 percent renewable do not actually cover all their power use with renewables. Instead, they purchase or generate enough renewable energy to match 100 percent or more of their electricity use over the course of the year. When 100% renewable energy doesn’t mean zero carbon.

  • When are annual averages of the carbon dioxide associated with renewables valid?

  • The use of annual averages of the carbon dioxide associated with grid power is valid only when fluctuations in renewable generation are small, or when all excess renewables can be stored.

  • What does it mean to be 100 percent renewable?

  • Corporations that claim to be 100 percent renewable do not actually cover all their power use with renewables, as some acknowledge. Instead, they purchase or generate enough renewable energy to match 100 percent or more of their electricity use over the course of the year.

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