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

Sayano-Shushenskaya Hydropower Plant

RusHydro starts up two new 640 MW turbine units at Sayano-Shushenskaya

05/28/2014

JSC RusHydro, Russia’s largest power-generating company, has announced that a new 640-MW hydropower unit has been commissioned at the company’s Sayano-Shushenskaya hydropower plant (HPP), in addition to the other 8 hydropower units in operation at the plant.

Big Bend Hydropower Project

U.S. seeks waterstop repairs at 494-MW Big Bend hydro project

05/27/2014

The U.S. Army Corps of Engineers seeks bids for remedial waterstop repairs in upstream monolith joints at the 494.3-MW Big Bend hydroelectric project on the Missouri River in South Dakota.

Jalalabad Dam

Afghans seek dam safety, generation optimization panel for 100-MW Naghlu hydro rehabilitation project

05/27/2014

Afghanistan national utility Da Afghanistan Breshna Sherkat (DABS) invites expressions of interest from consultants to serve on a dam safety and generation optimization advisory panel for rehabilitation of the 100-MW Naghlu hydroelectric project on Afghanistan's Kabul River.

Seven Sisters Hydropower Plant

Canada utility seeks spillway, dam core drilling at 165-MW Seven Sisters hydro project

05/23/2014

Canadian utility Manitoba Hydro seeks bids to perform core drilling on the spillway and concrete dam of the 165-MW Seven Sisters hydroelectric project in Manitoba.

Chief Joseph Dam

U.S. seeks firms for fire suppression systems at 2,620-MW Chief Joseph Dam

05/22/2014

The U.S. Army Corps of Engineers seeks information on firms able to supply fire suppression systems at 2,620-MW Chief Joseph Dam on the Columbia River in Washington.

Malassis Hydropower Project

French utility seeks substations for 1.1-MW Crescent, 1.1-MW Malassis hydro projects

05/22/2014

Utility Electricite de France (EDF) seeks bids to supply prefabricated substations for the 1.1-MW Crescent and 1.1-MW Malassis hydroelectric projects in France.

Lower St. Anthony Falls Lock and Dam

U.S. seeks machinery, control, lighting rehab at Lower St. Anthony Falls Dam

05/21/2014

The U.S. Army Corps of Engineers seeks bids to replace central control station electrical equipment at its Lower St. Anthony Falls Lock and Dam in Minneapolis.

Clarrence Cannon Hydroelectric Project

U.S. seeks firms for turbine cavitation repair at 58-MW Clarence Cannon Dam

05/21/2014

The U.S. Army Corps of Engineers seeks information on firms able to perform turbine cavitation repair at the 58-MW Clarence Cannon Dam hydroelectric project in northeast Missouri.

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French waterways agency extends bidding to refurbish Plancher-Bas Dam

05/20/2014

France's navigable waterways agency, Voies Navigables de France (VNF), has extended the deadline for bids to rehabilitate Plancher-Bas Dam on the Rahin River in France's Haute-Saone Department.

Dam Safety & Security

05/20/2014

Collection of articles covering safety and security of dams and civil structures for May 2014

Evaluating the Hydropower Benefits of Raising a Dam

05/20/2014

Faced with level restrictions in the reservoir, the El Dorado Irrigation District commissioned a study of its El Dorado Forebay Dam to gain back lost generation from the 20-MW powerhouse. Results indicated a 10-foot raise could increase average annual revenue by 5.7% and emergency water supply by 18 times.

Replacing an Aged Woodstave Penstock

05/20/2014

The 40-plus-year-old penstock supplying water to the 29-MW Rocky River pumped-storage plant was replaced with a smaller-diameter pipe that actually increases water flow to the plant, boosting power generation.

Identifying a Guide Bearing Rub Using Vibration Analysis

05/20/2014

When commissioning a hydro unit, proper use of vibration monitoring can help identify problems such as a rub on the guide bearings. Catching issues early can allow the problem to be fixed quickly, preventing units from operating inefficiently and limiting unplanned outages.

Corps awards engineering contract for dams, other works in Mississippi Basin region

05/19/2014

The U.S. Army Corps of Engineers has awarded a contract worth US$9 million to CDG Engineers Architects Planners Inc. to work on dams and other projects in the Mississippi Valley and the Midwest.

Tysso 2 Hydropower Plant

Alstom wins contract for Tysso 2 hydropower plant equipment

05/19/2014

Norwegian utility Statkraft has awarded a contract to Alstom to supply a new control systems and balance-of-plant equipment for the 180-MW Tysso 2 hydropower plant.

Tajikistan Map

Unit No. 1 back on line at Tajikistan's 670-MW Sangtuda 1

05/15/2014

Generating unit No. 1 at Tajikistan's Sangtuda 1 hydropower project is back in service following major repairs, operator OJSC Sangtudinskaya GES-1 has reported.

Thomson Hydropower Project

Units at Minnesota Power's 72-MW Thomson hydropower plant to be back on line soon

05/15/2014

Generation at Minnesota Power's 72-MW Thomson hydropower plant could resume early this summer, according to an update provided during the company's annual meeting of shareholders earlier this week.

Grand Coulee Hydropower Project

U.S. seeks cavitation repair at 6,809-MW Grand Coulee, 428-MW Hungry Horse hydro projects

05/15/2014

The Bureau of Reclamation seeks bids for turbine runner cavitation repair at the 6,809-MW Grand Coulee hydroelectric project in Washington and the 428-MW Hungry Horse hydro project in Montana.

Lavey Hydropower Project

Lausanne awards contract for Lavey hydropower plant control system

05/14/2014

The city of Lausanne has awarded a US$1.2 million contract to Groupe E SA to expand and adapt the control system of Switzerland's 93-MW Lavey hydroelectric project.

Summersville Dam

U.S. seeks fixed cone valve for West Virginia's Summersville Dam

05/14/2014

The U.S. Army Corps of Engineers seeks bids to supply a fixed cone valve to Summersville Dam on the Gauley River in West Virginia.

Hydro Industry Financials

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