Rehabilitation & Repair

Rehabilitation and upgrading of existing hydro plants is vital to ensure the continued reliable operation of these valuable assets, in addition to increasing global hydroelectric generating capacity.

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Latest Rehabilitation & Repair News

Liberia seeks dam, powerhouse rehabilitation at 60- to 80-MW Mount Coffee hydro project

11/26/2013

The government of Liberia invites applications for post-qualification and bids to reconstruct the main dam and rehabilitate the powerhouse of the 64-MW Mount Coffee hydroelectric project in Liberia.

Corps seeks spare draft tube stoplogs for 980-MW McNary Dam

11/25/2013

The U.S. Army Corps of Engineers seeks bids to supply spare draft tube stoplogs for 980-MW McNary Dam on the Columbia River.

Verkis to serve as Tanesco owner's engineer for five hydropower projects

11/25/2013

Norwegian water resources and energy directorate Norges Vassdrags- og Energidirectorat (NVE) has awarded a contract to Verkis hf of Iceland to serve as owner's engineer for five Tanzanian hydroelectric projects.

U.S. seeks hydropower conduit lining at 75-MW Blakely Mountain Dam

11/22/2013

The U.S. Army Corps of Engineers seeks bids to replace the hydropower conduit coating and lining systems at 75-MW Blakely Mountain Dam on Arkansas' Ouachita River.

Rehab of Costa Rica's 7-MW Tacares micro hydro plant complete

11/21/2013

STE Energy subsidiary Sorgent.e has completed renovations to the 7-kW Tacares hydropower plant in Costa Rica's Alajuela province, the company has announced.

U.S. seeks bulkhead refurbishment at 45.2-MW Stockton hydro project

11/21/2013

The U.S. Army Corps of Engineers seeks bids to refurbish a steel bulkhead at the 45.2-MW Stockton hydroelectric project in Missouri's Sac River system.

U.S. seeks bridge crane equipment replacement at 810-MW Lower Monumental Dam

11/20/2013

The U.S. Army Corps of Engineers seeks bids to replace wheel and axle assemblies of a 600-ton powerhouse bridge crane at 810-MW Lower Monumental Dam in Washington.

Austria railway seeks hydro turbine overhauls at Lassach hydro project

11/20/2013

Austrian railway company Oesterreichische Bundesbahnen (OBB) seeks bids for hydro turbine overhauls at its Lassach hydroelectric project on Austria's Mallnitzbach Stream.

U.S. sets new bid date for electrical equipment at 2,160-MW John Day hydro project

11/20/2013

The U.S. Army Corps of Engineers has set a new bidding deadline for supply of electrical equipment to 2,160-MW John Day Dam on the Columbia River in Oregon.

Gajek Engineering wins contract for Bobrowice 1 micro hydro plant rehab

11/19/2013

Polish utility Tauron Ekoenergia sp. z.o.o. has awarded a US$7.6 million contract to Gajek Engineering sp. z.o.o. for the refurbishment of the 2.422-MW Bobrowice 1 micro hydro project.

ADB funds Samoan small hydro project construction, rehab

11/19/2013

ADB's US$23.8 million will pay to repair projects on Upolu that were damaged in 2012 by Cyclone Evan while also funding another three new facilities to across Upolu and Savai'i.

U.S. extends bidding for hydro turbine repairs at 1,076.6-MW Bonneville Dam

11/19/2013

The U.S. Army Corps of Engineers has extended the deadline for bids to repair a hydro turbine in the Second Powerhouse of 1,076.6-MW Bonneville Dam in Oregon and Washington.

U.S. seeks firms to replace cooling water system at 84-MW St. Stephen hydro project

11/13/2013

The U.S. Army Corps of Engineers seeks information on firms able to replace a cooling water system at the 84-MW St. Stephen hydroelectric project at St. Stephen, S.C.

Reclamation to add third hydro turbine to Idaho's Black Canyon Dam

11/13/2013

The U.S. Bureau of Reclamation will add a third generating unit to the 10-MW Black Canyon Diversion Dam, potentially increasing the hydropower plant's output capacity to 22.5 MW.

U.S. extends bid date for turbine runner replacement at 80-MW Denison Dam

11/12/2013

The U.S. Army Corps of Engineers has extended the deadline for bids to replace two turbine runners at the 80-MW Denison Dam hydroelectric project in Texas.

U.S. seeks bids for hydro turbine repairs at 1,076.6-MW Bonneville Dam

11/12/2013

The U.S. Army Corps of Engineers seeks bids to repair a hydro turbine in the Second Powerhouse of 1,076.6-MW Bonneville Dam in Oregon and Washington.

Canada utility seeks intake gates for 47-MW Ladore, 67.5-MW Strathcona hydro projects

11/11/2013

Canadian utility BC Hydro seeks bids to supply intake gates to the 47-MW Ladore hydroelectric project with an option to supply gates to the 67.5-MW Strathcona project on the Campbell River in British Columbia.

China Exim invests in Kariba hydropower project upgrades

11/11/2013

The Export-Import Bank of China has lent Zimbabwe US$319 million to help pay for an expansion of the 750-MW Kariba hydroelectric project.

Generator Stator Windings: Aging Processes and the Associated Synergies

11/07/2013

As the first step in fixing a problem is defining it, understanding the stressors that can lead to a failed or damaged stator winding is important to keep downtime and costs low.

Proactive Repair of the Helms Pumped-Storage Plant

11/07/2013

Hearing about the catastrophic failure of a similar plant in Austria prompted Pacific Gas and Electric Company to proactively repair all three units at its 1,212-MW Helms Pumped Storage facility. This work, completed in 2012, will avoid a potentially serious accident that posed significant employee safety concerns and would have cost millions of dollars.

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