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News & in-depth analysis of wind energy technology, including wind turbines, turbine blades, drive trains, electricity transmission, smart grids and energy storage.

SGRE unveils 'world's largest' blade rig

SGRE unveils 'world's largest' blade rig

Siemens Gamesa Renewable Energy (SGRE) is building what it claims is the world's largest blade testing rig at its facilities in northern Denmark.

Denmark allows taller turbines

Denmark allows taller turbines

The minister of business affairs has altered an executive order lifting a height restriction meaning local authorities can permit turbines with a tip height of above 150 metres.

Worker injured after GE turbine collapse

Worker injured after GE turbine collapse

A GE turbine collapsed at a wind farm in north-east Brazil, injuring a worker and sparking a probe into the fifth such incident this year, the manufacturer confirmed.

News and analysis

Acoustic monitoring trial launched

Software company Ping Services will install 55 monitoring devices that use acoustic analysis, machine learning and internet-of-things technology to detect damage to wind turbine blades at a project in Victoria, Australia.

Nordex installs 238.5-metre high N149-4.5MW

Nordex and developer VSB Neue Energien Deutschland have commissioned a N149-4.5MW turbine at a site in Thuringia, Germany, with a total height of 238.5-metres, making it one of the tallest worldwide.

UK backs green hydrogen pilots

A project backed by offshore wind developer Ørsted, a floating wind site, and a gin distillery are three initiatives that have secured funding as part of a £390 million UK government programme to support the advancement of clean hydrogen production.

New technology bolsters US output

Longer blades and taller towers are having a dramatic effect on wind project output in the US, according to the Department of Energy (DoE).

Nordex adds 163-metre rotor to 5MW platform

The German turbine maker, first to market in the supersize onshore class, has taken another jump forward with a 163-metre rotor for its Delta 5.X range.

In depth

US wind continues to grow as economics beats Trump rhetoric

Donald Trump won the US presidential election in November 2016 with a promise to revitalise the country's coal industry.

WindTech: New hybrid gearbox splits loads for scalability

German technology developer Adion Technologies believes its medium-speed gear and toothed-belt hybrid gearbox concept for turbines up to 20MW will become a wind industry game changer. Eize de Vries finds out why.

Soaring high with kite-wind test flight

Makani has declared the offshore test flights of its 600kW kite-wind demonstrator a success, even though one of the two flights ended in a rather wet crash landing.

Enercon prepares new platforms for production

Enercon's E-147 EP5 prototype will soon be ready for rollout, marking another significant step in the manufacturer's technology transition. Eize de Vries reports exclusively from Enercon's research and development centre in Aurich.

History of wind turbines told at German museum

An open-air museum in Germany brings together a unique collection of more than 30 historic wind turbines built from the late 1970s until 1997, from one-off home experiments to some of the earliest models from major manufacturers.