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, May/June 2010
THE LAST WORD
Calming the feed-in frenzy
As many governments look to stimulate investment in renewable energy, cut carbon footprints and identify ways to protect the security of energy supplies, feed-in tariffs have become a major policy issue. But, while highly successful in the short term, feed-in tariffs risk creating false and unsustainable markets if not properly applied. A new approach on tariff policies is therefore needed if the same mistakes are not to be repeated.
THE BIG QUESTION
The World Bioenergy Association recently published a position paper that claimed bioenergy, and in particular biomass, has the potential to meet global energy demand by 2050. How realistic is this?
Renewable Energy World asks leading players in the industry to give their verdict on a key issue of the moment. If best practices and technologies are adopted worldwide, what challenges would need to be overcome for bioenergy to achieve this ambitious goal?
Unleashing the wind tiger: Will new policy initiatives open up India?
India is no newcomer to wind power and has featured as one of the world’s top five countries in terms of wind power development for years. So why are a series of new national and regional policy instruments being referred to as ‘unlocking’ India’s wind industry, and taking development in the country to new heights?
Global outlook: A bright future shines on for photovoltaics
The PV sector has seen its share of market turbulence over the past years with the impacts of the global downturn, the over supplied silicon market and revisions to successful feed-in tariffs all taking their toll on the market. However, despite this the sector appears to have emerged relatively unscathed from the conflagration, as new figures for 2009 reveal.
Jostling for position: Where does wind development go from here?
With many prime sites for wind farms already taken, the industry is now having to learn to deal with less than ideal locations. Indeed, some might say that despite its youth the wind industry is already suffering from its own success. In the last decade the industry has expanded from a handful of wind farm developers to a plethora. These companies have left hardly a stone unturned – or rather a breeze unmeasured – in their quest for prime, onshore wind power sites. But what happens now they are in short supply?
The bioenergy path to price parity: putting pressure on petrol
Businesses, scientists and governments are urgently seeking a reliable supply of affordable fuels and industrial materials, and a reduction in the amount of carbon dioxide entering the atmosphere. They are looking to bio-based products to deliver them. However, while the technical and cost potential of bio-products to compete with petroleum grow, can they address the biggest challenge and match its giant scale?
Integrating solar: CSP – gas turbine hybrids
Integrated Solar Combined Cycle (ISCC) technology aims to draw the environmental benefits of solar energy together with the operational advantages of a ‘conventional’ gas turbine-steam turbine combined cycle plant. A number of such developments are due to be commissioned this year.
Wind turbine gearbox reliability: The impact of rotor support
As a key failure point, gearbox reliability continues to dog the wind industry and as turbines become larger the push to improve performance becomes paramount. Alstom believes it has addressed the issue through its gearbox design by ensuring that torque transmission is performed independently of rotor support. This concept improves the reliability of the turbine drivetrain, in particular the gearbox, which is better protected and subjected to lower loads, which significantly extends its working life.
Yes, in my front yard: Urban leadership can speed renewables deployment
Local governments have significant power to influence the energy choices of their citizens. However, while many cities and towns have already encouraged energy efficiency measures, relatively few have enhanced the deployment of renewable energy projects within their boundary, despite the opportunity to increase their application and hence gain multiple benefits.
Never say dye: Dyesol moves DSC technology towards the mainstream
The Australian pioneer of Dye Solar Cell technology is partnering with major players in building materials to target the BIPV market with its ‘third generation’ photovoltaic system. Its founder explains how the long journey from the lab has led it to the brink of massmarket commercial launch.
Peak performance: Balancing the grid with renewable energy storage
As more renewable generation is adopted into the electricity network, the system can become more difficult to balance. Before the advent of renewables, variability was evident only in the load profile. Now, with growing renewable energy capacity, variability has been introduced to the supply side as well, making the transmission and distribution system more unpredictable. Despite this, energy storage offers a huge potential for helping intermittent renewables meet periods of peak power demand, but the financial and policy cases must keep up with the technology.
Solar Cooling: Key Players step into the sun and chill out
Worldwide the energy consumption for cold and air-conditioning is rising rapidly and the market potential for solar thermal cooling is very large indeed. However, despite the huge potential, this market is still very much under development with only 450 to 500 solar cooling systems installed globally by 2008, the vast majority of which are in Europe. Nonetheless, some of the early key players in this growing renewable energy sector are now at last emerging from the shadows and stepping into the light.
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