Pakistan has signed an agreement with the Iran for importing 1,000 megawatt at 10 cents per unit, a senior official of the ministry of water and power revealed yesterday. The project is expected to materialise in the next four years. “The tariff will be revised every three years after the commissioning of the project,” said the official. The memorandum of understanding between the two countries was signed in the last week of May 2012, he said. Pakistan is already importing 75 megawatts of electricity from Iran. And the last time a Pakistani delegation headed by the federal minister for petroleum and natural resources visited Iran. from gulf times.