Dam · Ethiopia
What is the contract value of Koysha Dam?
The Koysha Dam is the roller-compacted concrete dam on the Omo River in southwestern Ethiopia, 170 to 180 m high, with a hydropower plant of 2,200 MW (2,160 MW in other sources) and a reservoir of 6,000 million cubic metres, owned by Ethiopian Electric Power and built by the Italian contractor Salini Impregilo, now Webuild, with construction begun on 28 March 2016 and still under construction in 2025. Webuild announced on 24 May 2016 that the contract was worth 2.5 billion euros, and Addis Insight repeated in September 2025 a cost of 2.5 billion euros, about 2.8 billion dollars.
Contract value
€2.5 billion
Approximately $2.77 billion
Cost basis: 2016
Bernard GagnonCC BY-SA 3.0
Cost evidence
Basis of the published figure
Contract value2016
Project metrics
Key dimensions
- PowerWebuild Group
- 2,200 MW
Project record
Construction started
webuildgroup.com28 March 2016