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Examining hydro's future role
08 July, 2008
A recent workshop in the US helped to redefine hydro power’s role in the changing generation mix. Report by Tom Key and Patrick March

FERC waives regulatory burden for hydrokinetics
20 June, 2008
To demonstrate its commitment to supporting the development of hydrokinetic energy in the US, the Federal Energy Regulatory Commission has created a more efficient licensing process tailored to meet the needs of such pilot projects.

Twenty-first century powerhouse
18 June, 2008
Linda Church Ciocci, Executive Director of the National Hydropower Association, explains why US hydro should no longer be viewed as a relic of the past

Big plans for small hydro
28 May, 2008
Training workshops and government incentives have formed the basis of successful small hydro development in China. Now the country is working to disseminate small hydro technology on a global basis, explains D Pan

Developments for on-line monitoring of rotors and stator windings
30 April, 2008
Monitoring the operation of hydrogenerators to determine maintenance requirements is not easy, but three developments are showing particular promise for the industry

Renewed promise for Severn power
03 April, 2008
Tempted by the promise of a major long-term supply of renewable power, the UK Government is looking seriously, again, at proposals for a tidal barrage across the Severn Estuary. Report by Suzanne Pritchard

Ensuring efficient gate operation
31 August, 2007
The successful operation and maintenance of gates was the subject of a number of informative papers presented during the Waterpower XV conference

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

Rising tide of optimism for tidal power
01 March, 2007
Tidal energy capacity in the US and Canada may account for less than 5% of the world’s potential, but 20GW is prize enough for a group of sea power pioneers investing in a renewable alternative to fossil fuels. Chris Webb finds that, regulatory matters aside, energy from the oceans is beginning to make its mark

A trip to Xiangjiaba
12 February, 2007
China is heading up the Jinsha river with a project to rival Three Gorges. Peter O'Neill tests the local waters and analyses for silt, seismics, salamanders and salubrious spas

Back to School - refurbishment work in the US
18 September, 2006
This August saw the beginning of a US$1.4M improvement project at the School Street hydro power facility in New York state, US. Several of the enhancements that are currently underway are beyond the improvements the owner planned as part of its Federal Energy Regulatory Commission (FERC) license renewal, and take into account the historic significance of the facility, and its contribution to the city of Cohoes

Seoul leads tidal breakthrough
12 September, 2006
Development of the 254MW Sihwa tidal power plant in South Korea could lead to further advances in tidal power technology, says Neil Ford

Mexico
01 June, 2006
Mexico, in Central America, has an area of approximately 2Mkm2 and, according to a July 2005 estimation, a population of 1.06M (CIA Facts). The total electricity generated by Mexico in 2002 was 215,158GWh, broken down as: coal - 26,098GWh; oil - 79,314GWh; gas - 69,132GWh; biomass - 470GWh; nuclear - 9747GWh; hydro - 24,951GWh; geothermal 5,398GWh; solar 32GWh; and 16GWh from other sources. (IEA Energy Statistics).

Canada
31 May, 2006
The very geography of Canada has led to the Canadian energy industry’s expertise in the generation and transmission of electricity, in particular hydroelectric power. The paradox of Canada’s vast geography is that it poses an energy supply problem to the 32 million people scattered over 10Mkm2, while at the same time offering a solution to the energy demands of its inhabitants. One of the least densely populated countries in the world, with a rigorous climate and large distances between population centres, Canada has been graced with water, whether falling or running or still water, and thus water-based power ready to meet Canada’s relatively high per capita energy use.

Safety research - new tools for dam analysis
16 November, 2005
Yoshihisa Uchita, Hiroaki Noguchi and Victor E. Saouma share their experiences of identifying the state of the art in seismic dam safety, and report on the development of a computational tool to effectively analyse dams, from the simplest through to the most complex structures

Working around a relicence
12 October, 2005
As part of the FERC relicencing process, hydraulic design changes were necessary at the Salt Springs dam in California, US. Michael C Johnson, James E Pearman and Rod Lubben report on the results of a physical hydraulic model study to find an acceptable fixed cone diversion valve and stationary hood combination for use at the project

Talking hydro
19 August, 2005
Since its inception in 1994, the International Centre for Hydropower has helped promote the development and utilisation of hydro throughout the world. Line Fjellvær talks to IWPDC about the organisation’s future objectives and aims

Environmentally Sound?
20 May, 2005
A state-owned power company, key marine scientists and stakeholders have recently agreed to implement an adaptive management programme for Manapouri, New Zealand’s largest hydro power station

Prevention is better than a cure
21 April, 2004
Peter U Volkart and Frank Jacobs report on the results obtained following a broad and comprehensive study on abrasion of concrete hydraulic structures in alpine regions of Switzerland

The Soviet after-shock
04 September, 2002
Former Soviet states, such as Tajikistan, are having to overhaul their hydroelectric plants in order to keep up with power demands. David Hayes reports