Siemens booked an order for 21 of its 2.3MW machines for an offshore development run by Jiangsu Longyuan, a subsidiary of Longyuan Power Group – China’s biggest wind power developer.

The turbines, with a 101-metre rotor diameter, will be installed at the project off Rudong County in Jiangsu province, with commissioning expected in late 2011.

The 50MW contract includes a five-year service and maintenance agreement, and Siemens claims the order is a “breakthrough” in its renewable energy strategy.

“We