| Contents regulars Cover Story
Gated spillway of Grand Ethiopian Renaissance Dam. Image credit: Webuild Multimedia Library
5 World News
IEA’s Fatih Birol calls for renewed focus on hydropower: “the forgotten giant of electricity”; Norsk Hydro makes largest hydropower investment
features 10 14 20 28 10 Spotlight
Hydropower surged in 2025, with mega projects, pumped storage growth, policy shifts, and climate challenges hitting the headlines
Classified
40 42
Contacts
32
Hybrid systems 14
Hybrid storage, not either/or
HYDROGRID CEO Janice Goodenough argues that battery storage and pumped- storage hydropower are interdependent pillars of a resilient, high-renewables grid
36
18 Adaptive mooring advances hybridisation
An automatic winch-equipped buoy is enabling floating solar arrays to ride water-level swings in reservoirs and dams
Australasia 20
38
Turbines & generators 25
32
A scientific framework for the future
Fish-friendly turbine upgrades boost efficiency and sustainabilityat US project
26
Powering on Gugler Water Turbines gives a whistlestop tour of some of the projects it’s been working on worldwide
28 Testing times
Voith has been testing equipment provided for hydropower projects in Australia and New Zealand
A ubiquitous technology Drawing on global survey data, Professor Andrew Blakers highlights the feasibility of pumped storage hydropower
22
Upgrades and improvements
An overview of industry news and project updates
Seismic safety 30
Foundations under pressure
Seismic risks demand resilient dam design, monitoring, upgrades, and machine learning-enhanced safety strategies
35
Mapping seismic risk Even low-risk UK updates maps to guide dam seismic safety and structural design decisions
Remote sensing 36
From catchment to console
Alastair MacLeod, CEO of Ground Control, explains how his company is connecting remote hydrology to generate dependable data for effective decisions
From ground motion to confidence
How GFT in the US is working towards integrating seismic safety for resilient hydropower systems
38
Bridging data gaps Satellite data can help provide greater understanding of arid regions, water resource potential and dam failure
Next issue Spotlight on hydropower and dams in Africa; advances in tunnelling; dam safety updates; the growth of digitial twins; climate-resilient dams and hydro plants @waterpowermag
©Business Trade Media International ISSN 0306-400X
www.waterpowermagazine.com | December 2025 | 3
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