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Big in Africa
17 May, 2016
Details on 10 of the largest hydropower projects in Africa, from ageing projects through to those still in development stage. Listed in alphabetical order.

Asian advance
16 March, 2016
Hydro projects of all stages continue to make Asia a growth sector. Report by Patrick Reynolds

Spins and turns in the turbine and generator market
15 August, 2014
Prospects look healthy for the hydro turbine and generator sector. Report by Patrick Reynolds

Large hydro underway in India
20 May, 2011
IWP&DC provides brief details of the ten largest hydropower projects currently under development in India

Old and new at Waldeck
15 April, 2011
With the liberalisation of the electricity market and the rapid expansion of wind power, increasing use is being made of pumped storage power plants to provide balancing power. This is creating a favourable climate for investment in the preservation of existing and the construction of new plants of this type. Martin Rau from E.ON Wasserkraft explains how the combined refurbishment and rebuild project at Waldeck pumped storage plant in Germany has helped to secure efficient plant operation for another generation

Focus on South America
02 March, 2010
IWP&DC presents details on 10 hydro power and dam construction projects recently completed or under development in South America

Highlighting hydro developments
15 May, 2009
Members of the hydro industry reflect on the major developments in the industry over the past six decades and comment on important issues for the future

Conflict and cooperation in South America
08 May, 2009
Despite widespread cross-border problems, South America has more than its fair share of major bilateral hydro schemes. Itaipu remains one of the region’s largest hydro ventures, but what other schemes are on the cards? Neil Ford reports

Refurbishing Lernbo
23 September, 2008
A joint venture of Austrian firm Kössler and Germany’s Lloyd Dynamowerke is undertaking refurbishment work at the Lernbo hydro power project in Sweden

Demonstrating their worth - wave power technologies
13 August, 2008
The development of marine energy devices has begun in earnest worldwide. Here a few companies explain how their work is progressing

Coastal conversions
16 January, 2008
With the first contract underway, Voith Siemens’ subsidiary Wavegen is finding a run of opportunities for its wave energy converter based on oscillating water column technology

Green light for Omkareshwar
14 September, 2007
Through the intervention of India's Supreme Court at a crucial juncture, one more dam-based hydroelectric project in India - the 520MW Omkareshwar scheme - gets ready for commissioning

Challenges to turbine development
12 July, 2007
The 14 Francis turbine units installed in the left power house at China's Three Gorges project were all commissioned successfully during the period June 2003 to September 2005, functioning as expected. However, all these turbines have developed a pattern of damage mainly on the guide-vanes which has never before been reported. Here S C Li, S H Liu and Y L Wu provide a brief description of damage observations, together with analysis of possible causes

Waterhammer solutions
13 October, 2006
Small hydro plant designers often choose long penstocks instead of the traditional 'open channel' option, as they can be cheaper, quickly installed, and easier to maintain. However, these longer penstocks are usually affected by waterhammer phenomena, which must be faced with great care and suitable calculation models to verify in a reliable way that the stresses remain in a correct range – as was the case with one small hydro scheme in Italy

Developing Nepal
18 July, 2006
The Middle Marsyangdi run-of-river plant is being developed in Nepal to help take advantage of the country’s immense hydroelectric potential, writes Ernst Schmid

Simulation software
25 July, 2005
Computational fluid dynamics software is being used by researchers to accurately simulate the position and pressure fluctuations of a draft tube rope in a hydro plant

More power in Morvern
26 May, 2005
The largest conventional hydro scheme constructed in the UK since 1963 - the 3.5MW Kingairloch project - has just been completed. Neil Sandilands reports

Change of speed - variable units investigated
16 March, 2005
Variable speed units for pumped storage power plants are becoming a state-of-the-art technology for optimised efficiency in turbine mode and a wide range of power control in the pump mode. K Scherer reports on aspects and challenges for the design of the motor-generators, using Goldisthal pumped storage plant in Germany as an example

Go with the flow
14 September, 2004
With the current 50-year Priest Rapids operating license set to expire in October 2005, Grant PUD has led an extensive process to obtain a new FERC license that includes support for the installation of a new turbine design, writes Kathy Kiefer

Smooth operators - preventing turbine erosion
01 June, 2004
The combination of better design and the use of protective coatings is an effective way of reducing abrasive erosion of hydro power turbines, say M. Engelhardt and D. Oechsle



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