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The gearbox repair market continues to grow

EUROPE: The annual rise in wind-turbine installations means a bigger market for servicing, a major part of which is gearbox repair and refurbishment. As the wave of new demand approaches, the industry...

Global guide to rotor blade manufacturers

Our map offers an at a glance guide to who is making blades, and where.

How to plan proactive blade maintenance

With 194GW of global wind power capacity installed at the end of 2010, well over 400,000 turbine blades are rotating every day around the world.

Introducing the biggest test rig in the world

GERMANY: Last month, Germany's Fraunhofer Institute for Wind Energy and Energy System Technology inaugurated the world's largest test rig for rotor blades.

Reaching a joint decision

Almost all onshore and offshore wind turbines manufactured today are fitted with rotor blades composed of one piece.

Squaring the circle of life

From factory to transportation, installation, 20 years' operating in the field and finally obsolescence and recycling.

Are three blades really better than two?

Although many of the early wind turbines had two blades, only one or two megawatt-size turbines now exist in that style — everything else has three.

Why storage may never beat wasting wind

Energy storage is often lauded as the solution to wind power's variability, but it is costly and unnecessary until wind accounts for at least half of all generation.

Thai wind dreams hit by land and grid woes

THAILAND: Incentives for renewable energy, liberal investment policies and an established manufacturing industry could put Thailand on the map as a regional wind-power hub, but challenges remain if gr...

Bard turbine know-how boosts project potential

GERMANY: Europe's most integrated offshore wind-energy project Bard Offshore I is now partly in the water in the southern North Sea. Eize de Vries has a close look at where it all came together -- Bar...

Big oil toys with wind but stays onshore

STRATEGY: The world's biggest oil and gas companies have shown some interest in renewables but not much in wind power and even less in offshore, despite their marine experience.

Policy discord puts wind rush on hold

SOUTH AFRICA: Major industry players have been flocking to South Africa, anticipating a wind boom that could see installed capacity rise from 200MW to 4.5GW in the next eight years. But with the count...

Is it possible to prepare for unexpected costs?

Operation and maintenance (O&M) costs for onshore wind farms account for 10% to 15% of total generation cost.

Last-chance inspection

Complex rotating equipment like wind turbines demand care and attention to detail throughout their lifetime.

The rise of data capture

Wind farm Supervisory Control and Data Acquisition systems, better known as SCADA, have come a long way in the past decade.

A degree of urgency

As the global wind sector grows, shortages in key operation and maintenance skills, from turbine repair to grid connection, are swiftly becoming apparent.

When the time comes to find a new caring partner

UNITED STATES: When UpWind Solutions chose Kansas City as the location of its new parts and tooling centre, it stressed that it would be close to more than 70% of US wind farms coming out of warranty ...

Offshore propels Belgium into wind premier league

OFFSHORE: Despite having the shortest coastline of any European country bordering the North Sea, Belgium is surging ahead with ambitious plans for offshore wind power on a scale that belies its size a...

Energy rethink leads to wind balancing act

GERMANY: As Germany switches off its nuclear power plants, wind is in a good position to fill the void. But what needs to be done to guarantee a stable electricity supply whatever the weather? Sara Kn...

Well-oiled machine - turbines and lubrication

High-performance synthetic lubricants are used in some 15 to 20 areas in a modern wind turbine, with at least three different oil types and three grease types involved.

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