Design of Tunnel Plugs for Hydropower Projects

Design of Tunnel Plugs for Hydropower Projects

Tunnel plugs are an important, but often overlooked, part of dam construction. The author provides design guidance for these features.

Power Machines Fezer receives contracts for work at two Brazilian hydropower projects

Equipment manufacturer Power Machines Fezer was recently awarded a pair of contracts to supply parts for two Brazilian hydroelectric projects.

Brazil sets minimum bids for four hydropower plants in upcoming auction

Operating concessions for four existing Brazilian hydroelectric plants will be worth at least US$3.5 billion, per conditions announced by the Brazilian government earlier this week.

Voith to provide turbines for Ilha Solteira, Jupia hydropower plant upgrades

CTG Brasil has awarded a contract to manufacturer Voith Hydro to supply four turbines as part of ongoing modernization efforts at its Ilha Solteira and Jupia hydroelectric plants.  
Belo Monte Hydropower Plant

Court suspends 11.2-GW Belo Monte hydropower plant’s operating license

The operating license for Brazil's 11.2-GW Belo Monte hydroelectric plant has been suspended by a federal court following allegations that the project's owners did not meet environmental requirements.

Brazil to auction hydropower plant concession rights totaling nearly 3 GW of cumulative capacity

Brazil's Ministry of Mines and Energy will auction concession rights for five hydropower projects later this year.
Brazil Flag

Cemig loses authority to operate Brazil’s 424-MW Jaguara hydropower plant

The Brazilian Supreme Court has revoked the right of utility Cemig to operate the 424-MW Jaguara hydropower plant.  

Itaipu hydropower plant to undergo 10-year controls overhaul

Fresh off setting a new world record for annual power generation, operator Itaipu Binacional has announced a 10-year plan to upgrade plan that will further increase the Itaipu hydropower plant's output.

Cesbe wins civil works contract for Brazil’s 700-MW Sao Manoel hydropower plant

Brazilian construction firm Cesbe has been awarded a contract to complete civil works at the 700-MW Sao Manoel hydropower plant.
Itaipu / China Three Gorges Hydropower Plant Comparison

Itaipu becomes first hydropower plant to break 100 TWh mark

After breaking its own annual generation record earlier in December, Brazil's 14-GW Itaipu hydroelectric plant rewrote history again by breaking the 100 TWh mark.