The large magnitude of solar energy available makes it a highly appealing source of electricity. The United Nations Development Programme in its 2000 World Energy Assessment found that the annual potential of solar energy was 1,575–49,837 exajoules (EJ). This is several times larger than the total world energy consumption, which was 559.8 EJ in 2012.
Is there an answer to this question (If it cannot be answered, say "unanswerable"): What is solar energy's yearly potential?
1,575–49,837 exajoules (EJ)