How many companies use electricity 100% from renewable energy?

Grade level:  4th – 6th grades

Skills: Fraction

Related environmental issues: Energy

The table below shows a list of companies that accomplished their goal to use their electricity 100% from renewable energy by the end of 2015.


  1. What fraction of companies are located in the United States?
  2. Which two countries have companies that makes up 1/9 of the list?

Sources: RE100, Annual Report 2017


Answer keys

  1. 1/3 (6 out of 18)
  2. United Kingdom and Switzerland (18 x 1/9 = 2)