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Energy-Water Nexus Research Theme:

Clean energy and water are two essential resources that any society must securely deliver. Their usage raises sustainability issues and questions of nations’ resilience in face of global changes and mega-trends such as population growth, global climate change, and economic growth. Traditionally, the infrastructure systems that deliver these precious commodities, the water distribution and power transmission networks are thought of as separate, uncoupled systems. However, in reality, they are very much coupled in what is commonly known as the energy-water nexus.
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Photo Credit (on left): R. Pate, M. Hightower, C. Cameron, and W. Einfeld, “
Overview of Energy-Water Interdependencies and the Emerging Energy Demands on Water Resources,” Sandia National Laboratories, Albuquerque, New Mexico, 2007.

This energy-water nexus has been studied predominantly on two levels. Numerous governmental and regulatory agencies have discussed policy options supported by data surveys and technological considerations. At a technological level, there have been attempts to optimize coupling points be- tween the electricity and water systems to reduce the water-intensity of technologies in the former and the energy-intensity of technologies in the latter. To our knowledge, there has been little discussion of the energy-water nexus from an engineering systems perspective. There has been comparatively little discussion of the energy-water nexus in terms of integrated engineering system for its management, planning, and regulation as an interdisciplinary concern.

To address these needs, the LIINES Energy Water Nexus Research Theme has made contributions in three areas:


Key Achievements in Energy Water Nexus Thought Leadership:


Unlike the established smart grid field, recognition of the energy-water nexus challenge is still taking hold. The
LIINES has been fortunate to advance this conversation:
Key Achievements in The Energy-Water Nexus Hetero-functional Network:

Building upon our generalized work in hetero-functional graph theory, the
LIINES has also begun to develop hetero-functional models of the energy-water nexus. This has lead to:
Key Achievements in Energy-Water Nexus Optimal Dispatch:

Once we recognize that our already existing energy and water infrastructures are already coupled, we must also recognize the need to optimize their performance. The
LIINES has consequently developed several techniques to provide cost-optimal solutions to the provision of water and energy. These include:

Additionally, we have written several blog posts specifically on the topic of
Energy-Water Nexus @ the LIINES.

LIINES Energy-Water Nexus Research Theme Publications :
UIDReferencePubLinkPreprintTypeResearch ThemeYear
[EWN-C53]Abdulla, Halima and Farid, Amro M. "Extending the Energy-Water Nexus Reference Architecture to the Sustainable Development of Agriculture, Industry \& Commerce". in First IEEE International Smart Cities Conference. Guadalajara, Mexico. 2015. pp.1-7. PubLink PrePrint Conference PaperEnergy-Water Nexus2015
[EWN-C15]Farid, Amro M and Lubega, William Naggaga "Powering and Watering Agriculture: Application of Energy-Water Nexus Planning". in GHTC 2013: IEEE Global Humanitarian Technology Conference. Silicon Valley, CA, USA. 2013. pp.1--6. PubLink PrePrint Conference PaperEnergy-Water Nexus2013
[EWN-C52]Konig, Moritz and Kaddoura, Tariq and Jacob, Julius and Farid, Amro M "The Role of Resource Efficient Decentralized Wastewater Treatment in Smart Cities". in First IEEE International Smart Cities Conference. Guadalajara, Mexico. 2015. pp.1-5. PubLink PrePrint Conference PaperEnergy-Water Nexus2015
[EWN-C54]Liner, Barry and Farid, Amro M. "Extending the Utility Analysis and Integration Model at the Energy Water Nexus". in First IEEE International Smart Cities Conference. Guadalajara, Mexico. 2015. pp.1-4. PubLink PrePrint Conference PaperEnergy-Water Nexus2015
[EWN-BC02]Lubega, William Naggaga and Farid, Amro M "An engineering systems model for the quantitative analysis of the energy-water nexus". Paris, France: Springer Berlin Heidelberg. 2013. pp.219--231 PubLink PrePrint BookEnergy-Water Nexus2013
[EWN-C19]Lubega, William Naggaga and Farid, Amro M. "A Meta-System Architecture for the Energy-Water Nexus". in 8th Annual IEEE Systems of Systems Conference. Maui, Hawaii, USA. 2013. pp.1--6. PubLink PrePrint Conference PaperEnergy-Water Nexus2013
[EWN-C36]Lubega, William N and Santhosh, Apoorva and Farid, Amro M and Youcef-Toumi, Kamal "Opportunities for Integrated Energy and Water Management in the GCC -- A Keynote Paper". in EU-GCC Renewable Energy Policy Experts' Workshop. Masdar Institute, Abu Dhabi, UAE. 2013. pp.1--33. PubLink PrePrint Conference PaperEnergy-Water Nexus2013
[EWN-C34]Lubega, William Naggaga and Farid, Amro M. "An Engineering Systems Sensitivity Analysis Model for Holistic Energy-Water Nexus Planning". in ASME 2014 Power Conference. Baltimore, MD. 2014. pp.1--10. PubLink PrePrint Conference PaperEnergy-Water Nexus2014
[EWN-C35]Lubega, William Naggaga and Santhosh, Apoorva and Farid, Amro M. and Youcef-Toumi, Kamal "An Integrated Energy and Water Market for the Supply Side of the Energy-Water Nexus in the Engineered Infrastructure". in ASME 2014 Power Conference. Baltimore, MD. 2014. pp.1--11. PubLink PrePrint Conference PaperEnergy-Water Nexus2014
[EWN-J11]Lubega, William Naggaga and Farid, Amro M "A Reference System Architecture for the Energy-Water Nexus". IEEE Systems Journal. :(99) pp. 1--11. 2014. PubLink PrePrint Journal PaperEnergy-Water Nexus2014
[EWN-J12]Lubega, William Naggaga and Farid, Amro M "Quantitative Engineering Systems Model and Analysis of the Energy-Water Nexus". Applied Energy. :(1) pp. 142-157. 2014. PubLink PrePrint Journal PaperEnergy-Water Nexus2014
[EWN-C09]Santhosh, Apoorva and Farid, Amro M and Adegbege, Ambrose and Youcef-Toumi, Kamal "Simultaneous Co-optimization for the Economic Dispatch of Power and Water Networks". in The 9th IET International Conference on Advances in Power System Control, Operation and Management. Hong Kong, China. 2012. pp.1--6. PubLink PrePrint Conference PaperEnergy-Water Nexus2012
[EWN-C16]Santhosh, Apoorva and Farid, Amro M. and Youcef-Toumi, Kamal "Optimal Network Flow for the Supply Side of the Energy-Water Nexus". in 2013 IEEE International Workshop on Intelligent Energy Systems. Vienna, Austria. 2013. pp.1--6. PubLink PrePrint Conference PaperEnergy-Water Nexus2013
[EWN-C26]Santhosh, Apoorva and Farid, Amro M and Youcef-Toumi, Kamal "The Impact of Storage Facilities on the Simultaneous Economic Dispatch of Power and Water Networks Limited by Ramping Rates". in IEEE International Conference on Industrial Technology. Cape Town, South Africa. 2013. pp.1--6. PubLink PrePrint Conference PaperEnergy-Water Nexus2013
[EWN-J09]Santhosh, Apoorva and Farid, Amro M and Youcef-Toumi, Kamal "Real-Time Economic Dispatch for the Supply Side of the Energy-Water Nexus". Applied Energy. :(1) pp. 42--52. 2014. PubLink PrePrint Journal PaperEnergy-Water Nexus2014
[EWN-J10]Santhosh, Apoorva and Farid, Amro M. and Youcef-Toumi, Kamal "The Impact of Storage Facility Capacity and Ramping Capabilities on the Supply Side of the Energy-Water Nexus". Energy. :(1) pp. 1--10. 2014. PubLink PrePrint Journal PaperEnergy-Water Nexus2014
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