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Robotic inspections
13 December, 2013
The Electric Power Research Institute (EPRI) is developing robotic technology for the inspection of vertical structures, including dam walls.

The Alaskan way
27 September, 2011
Alaska is proving to be an ideal place to develop a hydrokinetic power industry. Innovative technology ideas, strong interest from utilities and local communities, plus high energy costs are some of the reasons that look set to pave the way for Alaskan power development.

Alden turbine update
26 January, 2011
The development of Alden Research Laboratories’ fish-friendly turbine began in 1995. Here Norman Perkins from Alden and Douglas Dixon from EPRI give an update on progress

Investigating Aquabank
04 January, 2010
A new venture is pursuing a fresh approach to closed, standardised pumped storage systems in North America – and possibly beyond. Report by Patrick Reynolds

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

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

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

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

Concentrating on dissolved oxygen
03 June, 2003
Alternative regulatory strategies are being explored in the US to address dissolved oxygen problems. Glenn F Cada, Mark J Peterson and Michael J Sale explain how these strategies emphasise flexibility, increased collaboration and shared responsibility among all water users

Managing modernisation
04 September, 2002
Finding improved ways to evaluate and prioritise expenditure and investment is a must for the utility that strives for success. Niels Nielsen takes a closer look at the modernisation management system BC Hydro has developed to facilitate better decision-making when updating hydroelectric assets

Control the future
15 June, 2001
Improvements in control and protection systems can cut costs in all areas of a plant, but installing the latest technology may not be the most beneficial route to take.

Generating hydro’s future
15 June, 2001
Generators are the backbone of the hydro industry, using basic design principles developed more than a century ago. But, as Janet Wood discovered, they are playing their part in turning hydroelectricity into a highly lucrative business

A slippery subject
15 May, 2001
Concern is growing about the fate of the American eel. It is still not clear what is causing the apparent decline of this species or what can be done to reverse the trend. Gemma Newman reports

On track for partial discharge testing
14 December, 2000
A partial discharge (PD) measurement instrument has been developed to make online PD tests and the resulting data interpretation easier, as Blake Lloyd explains

Daytime exposure for corona
16 October, 2000
Daytime aerial inspections are set to revolutionise the maintenance of transmission line equipment. Suzanne Pritchard explains how the development of a corona camera which utilises solar blind filters has made this possible

Protecting eels: a new challenge for US hydro power operators
16 June, 2000
Doug A Dixon explains why the American eel is becoming a new consideration for US hydro power

A growing problem
11 May, 2000
Douglas A Dixon from EPRI gives an insight into the nature and severity of sedimentation problems at US hydro power facilities

Preparing for Waterpower ‘99
10 June, 1999
The US and global water power industries will meet in Las Vegas on 6-9 July at Waterpower, the US industry’s longest-running show