You need a disconnect switch that can electrically isolate the wind turbine from the rest
of the wind energy system. An automatic disconnect switch is necessary to prevent
damage to the rest of the system in case of an electrical malfunction or a lightning
strike. It also allows maintenance and system modifications to be safely made to the
turbine. There are other system components you may choose or need to purchase. You
may need batteries to store excess energy generated by the wind turbine. Because
energy is stored in batteries as DC power, you may need an inverter to convert power
from the batteries to the AC power required to run electrical appliances in your home.