The economy of scale – the idea of building something bigger to lower its unit cost – is playing hell with the economy of wind turbines. Big turbines are enormous in size and cost, so much so, they could be pricing themselves out of a job. Take blades for example. Transporting a modest 50-m blade…

A manufacturer of clever rotor blades for large-size wind turbines announced at Husum WindEnergy 2012 that it has received GL Certification (Germanischer Lloyd) on its prototype 45-meter modular rotor blade, signaling entry into the serial production phase of the company’s growth plan. GL Renewables is part of the GL Group, a body primarily focused on the…