The multi-billion dollar project has been dogged by disputes and delays.
Although Ethiopian leaders deny the dam will cause water shortages, farmers in Egypt fear they will have less water to irrigate their fields.
Talks between the countries have been deadlocked for months, and leaders have vowed to iron out their differences peacefully.
Presenter: Elizabeth Puranam
Timothy Kaldas – TIMEP political analysis
Yohannes Gedamu – political science lecturer, Georgia Gwinnett College
Harry Verhoeven – professor of government, Georgetown University