POWER Magazine - Renewable energy

Spanish wind turbine manufacturer Gamesa on Monday said it would start the permitting process for the installation of its first offshore prototype, the 50-Hz G128-5.0 MW at Arinaga Quay in Spain’s Gran Canary Island—not Cape Charles, Va., as it had initially proposed. The decision was driven by technical and wind resource considerations, offshore market trends, and investment return criteria, the firm said....

The operation of solar thermal power plants differs substantially from that of fossil-fired plants, as the sun determines the generation rather than market demand. However, design of the power island to minimize water usage is very similar to that of a fossil plant. This renewable technology requires renewed thinking of its water systems’ design....