Grand Ethiopian Renaissance Dam (GERD)
Kartavya Desk Staff
Source: TH
Context: Ethiopia inaugurated the Grand Ethiopian Renaissance Dam (GERD), Africa’s largest hydroelectric project, hailing it as a “great achievement,” even as Egypt lodged a protest at the UN, calling it an existential threat to its water security.
About Grand Ethiopian Renaissance Dam (GERD):
• What it is?
• Africa’s largest hydroelectric project, a megadam built for power generation and regional energy trade. A unifying national project for Ethiopia, though geopolitically contested.
• Africa’s largest hydroelectric project, a megadam built for power generation and regional energy trade.
• A unifying national project for Ethiopia, though geopolitically contested.
• Location & River:
• Constructed on the Blue Nile River, about 30 km upstream from Sudan, in Guba, Ethiopia. Blue Nile contributes ~85% of Nile waters, making it geopolitically sensitive.
• Constructed on the Blue Nile River, about 30 km upstream from Sudan, in Guba, Ethiopia.
• Blue Nile contributes ~85% of Nile waters, making it geopolitically sensitive.
• Nation Building It:
• Ethiopia initiated the project in 2011, seeing it as a symbol of self-reliance, development, and regional influence.
• Ethiopia initiated the project in 2011, seeing it as a symbol of self-reliance, development, and regional influence.
• Features:
• Height: ~170 m and Length: ~2 km. Reservoir capacity: 74 billion cubic metres (flooding ~1,874 km²). Power capacity: 5,150–6,450 MW – largest in Africa. Designed to trap ~100 years’ worth of sediment inflow, though actual yields may be higher.
• Height: ~170 m and Length: ~2 km.
• Reservoir capacity: 74 billion cubic metres (flooding ~1,874 km²).
• Power capacity: 5,150–6,450 MW – largest in Africa.
• Designed to trap ~100 years’ worth of sediment inflow, though actual yields may be higher.
About Blue Nile River:
• What it is?
• One of the two major headstreams of the Nile River, providing ~70% of its floodwaters at Khartoum. Known as the Abay River in Ethiopia. Total length: ~1,460 km (907 miles).
• One of the two major headstreams of the Nile River, providing ~70% of its floodwaters at Khartoum.
• Known as the Abay River in Ethiopia.
• Total length: ~1,460 km (907 miles).
• Origin:
• Rises from a spring near Lake Tana, northwestern Ethiopia, at ~1,800 m (6,000 ft) above sea level. Flows into and out of Lake Tana, then descends through rapids and gorges of the Ethiopian highlands.
• Rises from a spring near Lake Tana, northwestern Ethiopia, at ~1,800 m (6,000 ft) above sea level.
• Flows into and out of Lake Tana, then descends through rapids and gorges of the Ethiopian highlands.
• Nations It Flows Through:
• Ethiopia → through deep canyons and around Choke Mountains. Sudan → flows northwest to join the White Nile at Khartoum, forming the main Nile.
• Ethiopia → through deep canyons and around Choke Mountains.
• Sudan → flows northwest to join the White Nile at Khartoum, forming the main Nile.
• Tributaries:
• Major tributaries include: Dinder River (from Ethiopian highlands). Rahad River (from Ethiopian highlands). Together they significantly augment the Blue Nile’s flow.
• Major tributaries include: Dinder River (from Ethiopian highlands). Rahad River (from Ethiopian highlands).
• Dinder River (from Ethiopian highlands).
• Rahad River (from Ethiopian highlands).
• Together they significantly augment the Blue Nile’s flow.