The World Renewable Energy Congress 2011 - Sweden (WREC 2011) was held in Linköping, Sweden during May 8-13, 2011. . The Congress was hosted by Linköping University in close cooperation with the World Renewable Energy Congress/Network (WREC/WREN). Based on the theme “Future Trends and Applications in Renewable Energy Technologies and Sustainable Development”, WREC 2011 covered 15 topics related to renewable energy technology, energy efficiency, climate change and sustainable energy systems.
WREC 2011 attracted over 600 attendants from at least 60 different countries. The Congress program included 18 plenary keynote talks, workshops, professional excursion tours and over 550 individual presentations by international contributors, distributed over 130 sessions. More information can be found at www.wrec2011.com.
The proceedings have been divided into 15 volumes, each covering a separate topic. All published papers have undergone peer review by experts within the respective fields.
We are grateful to the authors that agreed to publish their contributions through Linköping University Electronic Press, which makes the contributions freely available. We would also like to express our gratitude to the reviewers for their kind help and devoted work, and to our partners and sponsors.