As a result, it slightly increased compared to the total permitted amount of 1,689.86 million tons during the first plan period (&#39;15-&#39;17), which started targeting 526 companies. By sector, 762.53 million tons were allocated to the conversion sector, including power generation companies, 942.51 million tons to the industrial sector, and 72.09 million tons to other sectors such as buildings, transportation, and waste. Of the total emission allowances during the 2nd plan period, 1,642.98 million tons were allocated to companies in advance, which is a figure that companies must reduce by 5.6% from the amount they emitted in the past.