Ethiopia fills controversial Nile dam Egypt has voiced anger after Ethiopia announced it had filled the reservoir at a disputed hydroelectric dam on the Blue Nile river Cairo EGYPT Aswan High Dam Nile Khartoum SUDAN White Nile Blue Nile Addis Ababa ETHIOPIA 500km 310 miles Grand Ethiopian Renaissance Dam (GERD) Nile River basin Dam Blue Nile Supplies 85% of water that flows into Nile river 10km 6 miles May 2019 Dam Extent of reservoir 10km 6 miles May 2023 GERD FACTFILE Construction Work on $4.2 billion project started in 2011 Scale: Dam is Africa’s largest, measuring 1.8km long and 145m high Power generation Began in Feb 2022. Plan is to generate more than 6,000MW Ethiopia: Wants dam to produce electricity for 60% of its population who currently have no supply Egypt and Sudan Downstream countries fear dam will cut their share of water. Nile provides 97% of Egypt’s freshwater needs Filling of reservoir behind dam began in 2020 – its surface area is now roughly similar to Greater London LONDON 10km 6 miles Source: BBC Pictures: Google Maps © GRAPHIC NEWS