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

Lower Granite Dam

U.S. seeks fish pump system valve, channel modification at 810-MW Lower Granite Dam


The U.S. Army Corps of Engineers bids to replace a currently inaccessible 10-inch valve in the fish pump system of 810-MW Lower Granite Dam on the Snake River in Washington.

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Italy utility seeks maintenance, parts for 136 hydroelectric projects


Italian renewable energy operator Enel Green Power S.p.A. seeks bids to provide mechanical maintenance and spare parts for about 136 hydroelectric projects in four Italian regions.

Markersbach Pumped-Storage Hydropower Plant

German utility seeks to upgrade pump-turbines, equipment at 1,050-MW Markersbach pumped-storage


Vattenfall Europe Generation AG seeks bids for upgrade and repair of pump-turbines and other equipment of the 1,050-MW Markersbach pumped-storage project on Germany's Mittweida River.

Dalles Dam

U.S. seeks fall protection system upgrade at 1,780-MW Dalles Dam


The U.S. Army Corps of Engineers seeks bids to upgrade the fall protection system at 1,780-MW Dalles Dam on the Columbia River.

Lower Monumental Dam

U.S. seeks headgate pit fall protection for 810-MW Lower Monumental Dam


The U.S. Army Corps of Engineers seeks bids to supply headgate pit fall protection for 810-MW Lower Monumental Dam on the Snake River in Washington.


FERC takes input on new turbines at Portland General hydro project


The Federal Energy Regulatory Commission's Office of Energy Projects on March 20 put out for comment an environmental assessment on a Portland General Electric project at the 136.6-MW Clackamas River Hydroelectric Project (No. 2195).

Turbine Runner

U.S. seeks turbine lantern rings for 2,620-MW Chief Joseph Dam


The U.S. Army Corps of Engineers seeks bids to supply turbine packing box lantern rings for 2,620-MW Chief Joseph Dam on the Columbia River in Washington.

Dalles Dam

Corps awards contract for gantry crane rehab at Dalles hydropower project


The U.S. Army Corps of Engineers has awarded a US$2.7 million contract to Industrial Support Service LLC to refurbish a 35-ton tailrace gantry crane at the 1,780-MW Dalles hydropower project on the Columbia River.

Dealing with Excessive Leakage through a Dam


Excessive leakage through the Vojmsjon Dam on the Angermanalven River in Sweden led owner Vattenreglerings-foretagen to consider a renovation.

ICOLD 82nd Annual Meeting: Dams in Global Environmental Challenges


Professionals in dam design, construction, maintenance and hydroelectric generation will be offered a series of educational seminars, tours of Indonesian hydro facilities and a trade exhibition during the International Commission on Large Dams' 82nd Annual Meeting, to be held June 2-6 in Bali, Indonesia.

Bureau of Land Management Seal

U.S. land agency seeks reconstruction of Montana's Judy Dam


The Bureau of Land Management seeks bids for reconstruction of Judy Dam in Valley County, Montana.

Ice Harbor Dam

U.S. seeks draft tube, scroll case hoist systems at 603-MW Ice Harbor, 810-MW Lower Monumental dams


The U.S. Army Corps of Engineers seeks bids to supply new draft tube and scroll case personnel hoist systems at 603-MW Ice Harbor Dam and 810-MW Lower Monumental Dam on the Snake River in Washington.

Hydro Hall of Fame who's who of industry history


For those who have never traveled to America's heartland or might otherwise be unfamiliar with it, there's an old honky-tonk located on the corner of Easton and Main in Tulsa called Cain's Ballroom.

Wanapum Dam

Evaluations continue at Grant PUD's Wanapum Dam


The Grant County Public Utilities District will work with contractor Kuney-Goebel JV and subcontractors to begin investigative drilling after a crack was discovered in Wanapum Dam's pier monolith No. 4 in February.

Malawi extends call for gates, civil construction, weed collector at Kamuzu Barrage


The government of Malawi has extended the deadlines for bids for gates, civil construction and a jib crane/weed collector for the upgrade of Kamuzu Barrage at Liwonde on Malawi's Shire River.

Chaudiere Falls Hydroelectric Project

Hydro Ottawa announces expansion of Chaudiere Falls hydroelectric project


Hydro Ottawa has been awarded a 40-year power purchase agreement that will allow for a 29 MW expansion of the Chaudiere Falls hydroelectric plant.

Denison Dam

U.S. to seek design, replacement of gates at 80-MW Denison Dam


The U.S. Army Corps of Engineers plans to seek bids for design-build replacement of three flood gates at the 80-MW Denison Dam hydroelectric project in Texas.

Zvornik Hydropower Project

Voith wins contract for Zvornik hydropower project modernization


Voith has been awarded a US$90.16 million contract to provide extensive modernizations of Serbia's Zvornik hydropower project that will see the plant's output capacity increase from 96 MW to 124 MW.

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OWA seeks abstracts for 2014 Power of Water Canada conference


The Ontario Waterpower Association has issued a call for abstracts in anticipation of OWA's annual Power of Water Canada conference.

Enguri Hydropower Project

Georgia renews call to refurbish waterways of 1,250-MW Enguri, 245-Vardnili cascade


Georgia project operator Engurhesi Ltd. seeks bids for civil works construction to refurbish waterways and to construct a new discharge channel for the 1,250-MW Enguri hydroelectric project and the 245-MW Vardnili hydropower cascade on Georgia's Enguri River.

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