Here’s a statistic that does a good job of demonstrating just how energy-rich fossil fuels are:
An ordinary gas station gasoline pump transfers about 16 megawatts (MW) of chemical energy while operating. That’s about ten times the power output of the Grouse Mountain wind turbine. For any particular span of time, a nuclear reactor puts out about as much energy as 63 gas pumps.
Also, as mentioned before, a barrel of oil contains energy equivalent to the energy output of an adult human working 12.5 years worth of 40 hour weeks.