1, electricity is the most efficient energy source, the most convenient energy source, and the cleanest and pollution-free energy source (refrigerator, TV, washing machine, etc. Can be placed at will).
2. Electricity is the most convenient energy source (hundreds of kilometers, thousands of kilometers), which can be completed with a few cables and several transmission substations.
3. Electricity is the most convenient energy source for energy conversion (thermal energy, magnetic energy and chemical energy).
Electricity (direct current) is the easiest energy to store.
Disadvantages:
Improper use will cause loss of people and property (sometimes huge). For example, high voltage electricity can cause injury or even death. Lightning is extremely destructive when it discharges between clouds and the earth. Static electricity sometimes causes great losses and disasters to people, equipment and society.