ISLAMABAD  -  Asi-an Development Bank has negotiated a credit facility of $810 million with Pakistan for power projects, and the inflows are expected to begin in September, an official said on Wednesday. "The facility to be implemented over the next 10 years has been negotiated with power distribution companies and the formal approval by the bank is expected in August," said an official with knowledge of the transaction. "The disbursement is likely to start from September or October," said the official, who declined to be identified. Last month, the World Bank approved $256.85 million credit and loan for Pakistan, designed to improve reliability and efficiency of power supply through a comprehensive project. The Electricity Distribution and Transmission Improvement Project aims to improve distribution and transmission networks to meet increasing electricity demand and to strengthen institutional capacity of electricity distribution companies.