A standard lightning strike releases about 5 billion joules of energy.Every day, 8,640,742 lightning strikes hit the Earth, equivalent to the energy released by burning 1,252,800,000 liters of oil.Lightning is a relatively rare phenomenon and is not evenly distributed across the planet.In areas with the highest lightning frequency, there are about 70 strikes per square kilometer yearly, or one strike every 5.21 days.