Wind Energy

Aerodynamically optimised rotor blades increase the yield

After two years of development, a certification by DEWI-OCC (Offshore and Certification Centre of the German Wind Institute DEWI) and one year of field testing, the German companies BayWa r.e. Rotor Service GmbH and Spitzner Engineers GmbH are launching a new product called "e-ro", which increases the efficiency of rotor blades.

GE completes Romanian wind farm

GE supplied and installed 20 wind turbines of the type 2.5-103 for the Belani wi

GE has completed the installation of 20 wind turbines of the type GE 2.5-103 for a 50-MW wind farm in Baleni, a town in eastern Romania. The systems were manufactured at the production site in Salzbergen, Germany, where GE's European wind business headquarters is located. In addition to the delivery, installation and commissioning of the wind energy systems, GE will also be responsible for maintenance as part of a ten year service agreement. The contract also includes GE's Condition Monitoring System. GE will ensure operational readiness and productivity of the power plants through permanent on-site support as well as cooperation with the local GE Service Centre. Additionally, the customer support centre in Salzbergen will provide remote monitoring services.

Mt Gellibrand Wind Farm receives final approval

Located 25 km east of Colac and 17 km west of Winchelsea in Victoria, Mt Gellibrand Wind Farm will be constructed by Acciona Energy. It will consist of 63 wind turbines and will have a capacity of 189 MW. Construction will commence by 15 March, 2012, but a completion date has not yet been determined.

Vestas cuts jobs

Vestas wants to cut its fixed costs by € 150 million by the end of 2012. This means that in the coming months 2,335 jobs will be lost, of which 1,300 will be in Denmark. Administration jobs will be particularly affected.

Prokon also in Finland as of 2012

Prokon is not entering new territory here, as it has already had business connections with the Finnish generator manufacturer The Switch since 2010. Building on these contacts, Prokon now wishes to open its own project development office at the same location.

Alstom is planning two production sites in Saint-Nazaire and Cherbourg

<b>The two production sites will allow the production of the “Haliade 150”, the generation 6 MW offshore wind turbine.</b><br><br><i>Photo: Alstom</i><br>

These two French sites would be for Alstom the first in the world entirely dedicated to offshore wind energy. The dimensioning of the project will depend on the success in the call for tenders of the consortium led by EDF EN to which Alstom belongs. Alstom’s investments could reach € 100 million and generate up to 1,000 direct jobs and 4,000 indirect jobs.

300 MW for wind farms in the USA

The turbines will be used in the wind farms Settlers Trail in Iroquois County and Pioneer Trail in Iroquois and Ford Counties. The two projects are being developed by E.on Climate & Renewables. In each of the wind farms, 94 GE turbines will be set up on more than 1000 ha of farmland and will produce enough electricity in total for around 115,000 households.

World record for full-blade tests

<b>In future, rotor blades with record lengths will be tested behind closed doors in the vast IWES hall. </b><br><br><i>Photo: Torsten Thomas</i><br>

The IWES facility now holds the world blade-length record and is already booked up for the next few months. There used to be two test stands in Bremerhaven for blade lengths of up to 70m. According to IWES, the new acquisition cost some € 7 million and received support from the German environment ministry, the state of Lower Saxony and others.

NREL: 5 MW dynamometer upgrade

Romax will assess the design, fabrication, and testing of a 5 MW gearbox and the driveline equipment and will upgrade the dynamometer from a current capacity rating of 2.5 MW. The upgrade will enhance the research and operational capabilities of the U.S. wind industry. Romax Technology is a leading independent drivetrain consultancy company.