Question: What is the percentage of total capacity when the energy is 120.2?
Schema: create table table_11456251_5 (_percentage_of_total_capacity varchar, annual_energy__billion_kwh_ varchar, PRIMARY KEY (_percentage_of_total_capacity))
SQL: select _percentage_of_total_capacity from table_11456251_5 where annual_energy__billion_kwh_ = "120.2"