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"Then I say the Earth belongs to each generation during its course, fully and in its right no generation can contract debts greater than may be paid during the course of its existence"

Thomas Jefferson, September 6, 1789

Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs."

The Report of the U.N. Brundtland Commission, Our Common Future, 1987

"History teaches us that men and nations behave wisely once they have exhausted all other alternatives"

Abba Eban

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Invited lectures

Flexibility with Renewable energy penetration

AbstractWith increased renewable energy penetration, flexibility of the energy systems becomes more important for dynamic balancing of supplies and demands. This lecture focuses on the challenges and opportunities associated with energy transitions, for example, spatial and temporal characterization of energy demand and renewable resources for urban district, smart intervention with the new technologies for consumers into prosumers, and integration of renewable energy with energy storage. We argue that the renewable industry has reached the tipping point of competitive costs. We call for accelerating and promoting market-based distributed energy technologies, energy storage, and smart integration of prosumers to respond energy transition. Dynamics of energy systems with integrated energy storage and interative prosumer participation become more important in the future. 

Prof. Jinyue Yan
Royal Institute of Technology
Stockholm, Sweden



Dr. Yan is professor of Energy Engineering, Royal Institute of Technology (KTH) and Mälardalen University, Sweden. He is the director of the Future Energy Profile at supported (ca 10 MEuro) by Swedish Knowledge Foundation together with five industrial partners including ABB. He received his PhD at KTH in 1991. During 2001 to 2005, Dr. Yan was chair professor and head of Energy Engineering at Luleå University of Technology, Sweden. Prof. Yan’s research interests include simulation and optimization of advanced energy systems incl. advanced power generation; climate change mitigation technologies and related issues in environment and policy; clean development mechanism (CDM) and renewable energy, especially in biomass energy, and fundamental engineering thermodynamics. Prof. Yan published over 200 papers including the paper in Science and special feature article in ASME Mechanical Engineering. Prof. Yan is editor-in-chief of the international journal, Applied Energy published by Elsevier, and the editor-in-chief of Handbook of Clean Energy Systems published by Wiley. He is conference chairman of the 3rd Int. Green Energy Conference (IGEC-III); Conf. Co‐Chair of IGEC‐IV, Beijing and ICAE2009 (Hong Kong); and Chair of Scientific Committee of ICAE2010 (Singapore), ICAE2011 (Italy), and chair of ICAE2012 (China) and ICAE2013 (South Africa). He is also members/associate editor of several international journals, including Energy, Energy Conversion and Management, Int. J. of Energy Research, Int. J. of Green Energy, Scientific Review (China), and Frontiers of Energy and Power Engineering (Springer). He also serves as the advisory expert to the United Nation, European Union Commission, and Asian Development Bank, and other international organizations; Overseas Assessor of Chinese Academy of Sciences; and academic advisor to Hong Kong Polytechnic University.



SDEWES INDEX
Benchmarking the performance of cities across energy, water and environment systems
related metrics presents an opportunity to trigger policy learning, action, and cooperation to bring cities closer to sustainable development.

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