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

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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.

China's 'first 10MW generator passes tests'

China's 'first 10MW generator passes tests'

Dongfang Electric Machinery has developed China's first 10MW offshore wind generator, according to state reports.

PHOTOS: GE ships first Halide-X components for tests

PHOTOS: GE ships first Halide-X components for tests

The first components of GE's 12MW Haliade-X are on their way to two European test sites, the manufacturer has confirmed.

Economics of renewable-powered EVs 'crush oil'

Economics of renewable-powered EVs 'crush oil'

The same capital investment today for wind and solar would produce up to seven times as much useful energy for electric vehicles (EVs) as it would for petrol-powered vehicles, according to a new analysis.

High-risk offshore wind contractors drive up premiums

High-risk offshore wind contractors drive up premiums

'Repeat-offender' suppliers and contractors are driving up premiums on offshore wind projects, according to an underwriter at a leading renewable energy insurance firm.

Japanese firm unveils next-gen installation vessel plans

Japanese firm unveils next-gen installation vessel plans

Japanese construction contractor Shimizu is planning to build an offshore wind installation vessel capable of working with turbines with power ratings up to 12MW.

in depth

Makani prepares for launch with offshore tests

"Many companies are using conventional wind turbines and innovating on the floating platform," explains Makani CEO Fort Felker. "We are doing the opposite."

Race to market guides SGRE 10MW technology picks

EXCLUSIVE: In order to offer its new 10MW offshore turbine commercially by 2022, Siemens Gamesa Renewable Energy (SGRE) must install the prototype this autumn. Eize de Vries speaks exclusively to the company's technical experts about the development process.

WindTech: Self-aligning floater with tower included

GERMANY: A German consortium has developed, tested and validated a self-aligning, lightweight, four-legged semi-submersible floating-platform concept that integrates the turbine tower. Eize de Vries highlights the technological innovations.

Floating design brings the x-factor to 10MW-plus market

FRANCE: French engineering firm Ceteal claims its x-shaped concrete floating foundation offers significant manufacturing and operational advantages over other designs currently under development for the floating offshore wind sector.

MHI Vestas' Kavafyan on staying on top

DENMARK: When Philippe Kavafyan took over from Jens Tommerup as MHI Vestas CEO earlier this year, his predecessor told him to 'learn to say no'. Windpower Monthly spoke to the former Adwen chairman about how he is picking his battles and where he plans to take the firm over the next four years.

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