104620
Based on REN21 's 2019 report , renewables contributed 18.1 percent to the world 's energy consumption and 26 percent to its electricity generation in 2017 and 2018 , respectively .
 REN21
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 REN21