Wind power Features for June 2009

Wind power Features Archive

Renewables in Africa (part 2)

The energy scene in Southern Africa is dominated by South Africa. While its coal-based electricity used to be cheap and reliable by world standards, the South African state utility recently ran out of reserve capacity – with blackouts resulting. In the second part of an article for Renewable Energy Focus, Dieter Holm, long-serving member of the International Solar Energy Society (ISES), reports on renewed awareness of energy efficiency and renewable energy in South Africa.

O&M for wind turbine blades O&M for wind turbine blades

Although many different processes are used to build wind turbine blades, they all share the same maintenance challenges. Understanding how and why a blade is made a certain way will improve the chances of making good decisions on blade maintenance, say Jack Wallace Jr. and Mark Dawson of Frontier Pro Services.