Canals, Tunnels & Penstocks

Considerations in the design, construction, maintenance and repair of cannels, tunnels and penstocks associated with hydroelectric projects.

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Latest Canals, Tunnels & Penstocks News

Pakistan's 1,300-MW Tarbela 5th Extension hydropower project receives next-to-last approval


Pakistan's 1,300-MW Tarbela Dam 5th Extension hydropower project received consent from the government's Central Development Working Party earlier this week, leaving approval by the Executive Committee of National Economic Council as its final hurdle.

France's CNR seeks underground conduit, penstocks for Sarenne hydro project


Compagnie Nationale du Rhone (CNR) seeks bids to construct underground conduit and structures and penstocks for the Sarenne hydropower project in France. 

CEC gets go-ahead for 40-MW Kabompo Gorge hydropower plant


An implementation agreement signed this week by the Republic of Zambia and the Copperbelt Energy Corp. essentially serves as the approval for development of the 40-MW Kabompo Gorge hydroelectric plant.

Africa fund seeks civil, EM works for Uganda's 10-MW Achwa 3 hydro project


The Africa Renewable Energy Fund (AREF) invites expressions of interest to carry out civil and electro-mechanical works of the 5- to 10-MW Achwa 3 hydroelectric project in Uganda.

Alterra provides updates on Jimmie Creek, Tahumming hydropower plants in latest quarterly report


Quarterly reports released earlier this week by Canadian renewable energy generator Alterra Power Corp. reveal milestones for the company's Jimmie Creek and Tahumming hydropower projects.

Latin bank seeks review, recommendations to complete Bolivia's 120-MW Misicuni hydro project


The Inter-American Development Bank (IADB) invites expressions of interest from consulting firms to assess the status of the 120-MW Misicuni hydroelectric project and to recommend mitigation for any perceived problems. 

DR Congo seeks water intake, canal construction for Inga hydroelectric complex


The Democratic Republic of Congo (DRC) seeks bids to construct a water intake and an additional supply canal for the Inga hydroelectric complex on the Congo River in the DRC.

Four reported dead following blast at Pakistan's 969-MW Neelum Jhelum hydropower plant


Four workers were killed and 10 other wounded after an explosion rocked a tunnel at the 969-MW Neelum Jhelum hydropower plant last week, local sources have reported.

Bolivia seeks supervision of construction, equipment for 120-MW Misicuni hydro project


Bolivia utility Empresa Nacional de Electricidad (ENDE) invites expressions of interest from firms to provide supervision of civil construction and equipment installation to complete the 120-MW Misicuni hydroelectric project.

Explosion at 160-MW Silvan Hydroelectric Project in Turkey injures 12 workers


Several local media outlets reported an explosion on April 14, opened a 60 by 45 cm hole in a penstock tunnel being constructed at the Silvan Dam site on the Batman River in Silvan, Diyarbakır Province in southeastern Turkey.  

Civil engineering contract awarded for Austria's 940-MW Koralm pumped-storage plant


Pumpspeicherkraftwerk Koralm GmbH has selected ILF Consulting Engineers and AF-Consult to provide engineering services for the 940-MW Koralm pumped-storage hydropower project in Austria.

CWCB seeks more than US$27 million for new dams, civil structures and hydroelectric facilities


By 2050, the Colorado River Basin could need access to between 62,000 and 101,000 acre-feet of water. According to the Colorado Water Conservation Board (CWCB), to meet this requirement several projects are needed that include new dams, expanded reservoirs and rehabilitated hydroelectric facilities.  

Philippines NIA announces plan to bid up to 200 micro hydropower plants


The Philippines National Irrigation Administration has said it plans to bid between 150 and 200 micro hydropower plants with a goal of increasing the country's hydro generating capacity by a cumulative 50 MW.

Rehabilitating a Buckled Penstock Using CFRP


Buckling of the steel liner of the penstock supplying the 4.6-MW Brian J. Gallagher Generating Station in Canada resulted in a 50% decrease in power output. The problem was repaired using carbon fiber-reinforced polymer.

Hungry Horse Hydropower Plant

U.S. seeks flowmeters for four penstocks at 428-MW Hungry Horse hydro project


The Bureau of Reclamation seeks bids to supply four ultrasonic flowmeter systems at the 428-MW Hungry Horse Dam hydropower project in Montana.

1-MW Merk hydroelectric scheme

A combined US$11.1 million will finance two small hydroelectric projects in the Scottish Highlands


CRF Hydro Power Ltd., a Scottish hydro developer and operator, has completed negotiations with Clydesdale Bank Plc. to receive US$5.83 million to rehabilitate and upgrade the Garbhaig small hydroelectric project from 915 kW to 2 MW. The scheme is located in a rural area on Loch [Lake] Garbhaig in the Scottish Highlands in the Wester Ross area.  

Lesotho seeks bids to develop Polihali Dam; hydro project studied


The Lesotho Highlands Development Authority invites proposals to implement several portions of Phase 2 of the Lesotho Highlands Water Project (LHWP), including construction of Polihali Dam and a water transfer tunnel.

Jordan seeks pipeline, small hydro plant at Khaw Reservoir


The Water Authority of Jordan (WAJ) invites applications for pre-qualification to design and build a water pipeline, pumping facilities and a small hydropower project at Khaw Reservoir in Jordan.

Tunnel flood kills three at Vietnam's 38-MW Thuan Hoa hydropower plant


Three Chinese workers were killed and another injured this past week when water flooded a tunnel at Vietnam's 38-MW Thuan Hoa hydroelectric plant, local sources report.

U.S. seeks penstock flowmeter replacement at eight hydro projects


The Bureau of Reclamation seeks bids to replace penstock flowmeters at eight hydroelectric projects in its northern and central California areas.