among the country's customs offices, parvizkhan customs and astara bandar, respectively, in 2015, 911 in 8 months of this year compared to the same period last year, the largest increase in transportation between have international goods. resolving the country's electricity imbalance requires an investment of 15 billion dollars in this industry. according to the head of the electricity industry union, the reason for the decrease in investment in this area is the debt of the power plants to the national development fund. mr. khosh goftar said: the investment in 1401 was only 400 million dollars. according to this resolution , which was approved by the government board in june 2014, the power plants must return the horizontal loans they received from the development fund to the people with whom the electricity purchase contracts were signed by the ministry of energy, when they asked for their contracts. so the body of these amounts they provide their riyals to the operating bank, and the operating bank allocates the loan through the central bank at the official rate to them so that they