The previous figure for the plan was $8.4bn.
Yehia Zaki, director of operations at Dar Al-Handasah Consultants, said a comprehensive overview of the project will be announced within two weeks, the Daily News reported.
Irrigation water will be supplied to about 3.5m sq m of land, he added.
A total of 76,000 sq km around the canal will be developed into an international industrial and logistics hub.
Annual
