1. ENERGY STORAGE
How will Tesla's 'gigafactory' affect the grid?
The "gigafactory" that electric automaker Tesla announced last week is superlative in just about every sense. It would be 10 times larger than any lithium-ion battery factory that exists in a facility more than twice the size of the Mall of America and would round out a Tesla fleet that by 2028 may store more electricity than Mexico uses in a day.