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Hydropower over the next decade
15 April, 2020
Prior to the outbreak of COVID-19, IWP&DC asked members of the industry for their thoughts on what the next decade may entail for hydropower development across the globe.
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.
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
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
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
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
