Renewable Energy World: The #1 global magazine covering renewable energy technology.
Renewable Energy World is the only international magazine that promotes all aspects of the renewable energy technology. Each issue covers industry, technology, policy, finance and news important to the renewables sectors.
Renewable Energy World effectively promotes all aspects of renewable energy technology in the worldwide marketplace.
Renewable Energy World provides authoritative articles, case studies and essential news on global developments in the renewables sector. Every issue includes features on wind power, solar thermal, photovoltaics and biomass. Regular coverage is also devoted to geothermal, energy storage, small hydro, and hybrid systems.
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Read the Digital Issue: Renewable Energy World, September/October 2011
The Big Question ......................................... 20
Each edition, REW asks leading players in the industry to give their verdict on a key issue of the moment. In the Big Question feature for this edition, we asked readers to give us their predictions for how the UK’s recently announced Renewable Heat Incentive (RHI) will play out. Will this new policy successfully engage industry and consumers to develop a major new commercial sector and provide a key route to achieving the policy goals of new renewable energy and lower carbon emissions? Will it succeed in influencing other European nations and those further afield to implement similar initiatives or, as happened with solar PV, will the success of this new programme lead to a subsequent revision, and if so what will the outcomes be for manufacturers, consumers and the commercial and industrial sectors?
Renewables 2011 Global Status Report ..... 24
A positive constant amid the economic turbulence of the last year has been the global performance of renewable energy. Renewable sources have grown to supply an estimated 20% of global final energy consumption in 2010. We explore the state of the global renewable energy sector.
By Janet L. Sawin and Eric Martinot
A view from the top .................................... 32
Many heads of government around the world, wondering how they can play their part in the world’s shift to renewable energy, could be forgiven for looking enviously at Brazil, where energy from renewable sources already stood at almost 45% in 2010 and is forecast to rise to over 46% in 2020. With almost half of its energy supply generated by renewable sources, we explore what makes Brazil increasingly look like a positive example to the rest of the world.
By Robin Yapp
Facing the sun............................................. 39
The use of tracking technology allowing solar modules to follow the course of the sun (and so optimise the incident angle of sunlight on their surface) can increase electricity production by around a third, and some claim by as much as 45% in some regions, compared with modules at a fixed angle. We look at the types of solar tracking technology currently available and the key players in this important market.
By David Appleyard
Transforming profits ................................... 47
Wind farms must be designed to maximise generation available for sale while minimising operating costs. The weak link in most wind farm designs is often not the turbine but the transformer. Properly optimised low-core-loss transformers can boost efficiency and profits.
By Robert Berman
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