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The Energy Water Nexus
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The Energy Water Nexus

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "B: Energy and Environment".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 6093

Special Issue Editor

Dr. Behdad Kiani

E-Mail Website
Guest Editor
Institute of Transportation Studies, University of California, Irvine, Irvine, CA 92697, USA
Interests: water–energy nexus; integrated energy systems modeling; techno-economic optimization; renewable energy; storage systems; load management; grid integration; smart grid; electrification; zero emission energy systems; zero emission vehicles; carbon tax policy

Special Issue Information

Dear Colleagues,

As most of you are familiar, water-energy nexus covers a wide scope of research which includes topics such as hydroelectric generation through water reservoirs and run-off rivers all the way to water cooling for power generation purposes, and at the end-use level, water treatment, transmission, distribution for different subsectors and its effect on the load. In another word, the water used for electricity production and the electricity used for water treatment are both in the category of water-energy nexus.

In this special issue, we will be looking for any research work that analysis pathways reaching 100% renewable grid including hydroelectricity, solutions that can enable a water utility distribution system to reduce or shift electricity load, or ramp up energy demand, in response to different policies. Additionally, analyzing net grid impacts to water utility demand management and/or smart grid optimization work related to water-energy nexus.

Examples of water-energy nexus on the electricity supply level is to utilize potential storage available behind hydroelectric generation water reservoirs as a mean to penetrate more variable renewable energy such as wind and solar into the grid. Example of the demand side study would be taking into consideration the effect of water utility's demand response on the electricity grid. This could be developing dynamic optimization models to find pathways for expanding end-use sector (water utilities) participation and providing a dynamic demand response market with flexible and fast-response resources to the grid. Finding the minimal cost strategy for providing the necessary water demand in different hours of the day and seasons, balancing and shifting the load subject to operational needs of the end-use sector would also be interesting topics.

The current special issue on “The Energy Water Nexus” invites the research community to address innovative contributions considering different optimization models applied in the field of water and energy to achieve medium- and long-term goals of a carbon-free energy system, and address issues such as intermittency in real world applications.

Dr. Behdad Kiani
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • load management
  • renewable energy
  • mathematical optimization
  • water management
  • grid impact
  • hydroelectricity

Published Papers (3 papers)

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Research

20 pages, 654 KiB  
Article
The Nexus between Agriculture, Water, Energy and Environmental Degradation in Central Asia—Empirical Evidence Using Panel Data Models
by Olimjon Saidmamatov, Nicolas Tetreault, Dilmurad Bekjanov, Elbek Khodjaniyazov, Ergash Ibadullaev, Yuldoshboy Sobirov and Lugas Raka Adrianto
Energies 2023, 16(7), 3206; https://doi.org/10.3390/en16073206 - 02 Apr 2023
Cited by 15 | Viewed by 2558
Abstract
The primary aspiration of this paper is to learn about the effects of economic growth, energy consumption, agriculture and irrigation water consumption and agriculture productivity on environmental pollution in five countries of Central Asia. The data cover the period from 1992 to 2020 [...] Read more.
The primary aspiration of this paper is to learn about the effects of economic growth, energy consumption, agriculture and irrigation water consumption and agriculture productivity on environmental pollution in five countries of Central Asia. The data cover the period from 1992 to 2020 by applying panel data models, namely the Panel FMOLS, Panel DOLS and Panel ARDL-PMG approaches. The results indicate that there is a positive long-term impact of economic growth, water productivity, energy consumption and electricity production on CO2 emissions while agriculture value added and trade openness have a negative and statistically significant influence on CO2 emissions in Central Asia. Country specific short-run coefficients from Panel ARDL reveal that energy consumption is the main driver for rise in the level of CO2 emissions in the countries under the study. Indeed, country level analysis generates unique nexus correlation among agriculture, energy and environmental degradation in each country of Central Asia. Full article
(This article belongs to the Special Issue The Energy Water Nexus)
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18 pages, 3130 KiB  
Article
Water System Safety Analysis Model
by Barbara Tchórzewska-Cieślak and Katarzyna Pietrucha-Urbanik
Energies 2023, 16(6), 2809; https://doi.org/10.3390/en16062809 - 17 Mar 2023
Cited by 4 | Viewed by 1208
Abstract
The operation of a water supply system (WSS) is inextricably linked with the possibility of different types of failure. It is very common for these failures to be random in nature. The results of reliability studies carried out in many water supply systems [...] Read more.
The operation of a water supply system (WSS) is inextricably linked with the possibility of different types of failure. It is very common for these failures to be random in nature. The results of reliability studies carried out in many water supply systems revealed, for example, the possibility of incidental water pollution, power supply issues, failure in machinery, damage to water plants, or natural disasters. As a result of the WSS failure, we deal with a state of threat to safety (TSS) or a state of loss of safety (LSS). Using Markov processes, we developed a failure model of the WSS to determine the possibility that the system may find itself in different states of safety. As a result, a mathematical model using Markov processes has been proposed for each of these distinct states of safety (complete safety state—CSS; threat to safety state—TSS; and loss of safety state—LSS). The proposed approach in the water supply system will limit emergency states by optimizing working and repair times. Reducing losses in the water supply system is crucial to reduce and optimize energy consumption for water production and distribution. Full article
(This article belongs to the Special Issue The Energy Water Nexus)
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21 pages, 1164 KiB  
Article
Light-Emitting Diode (LED) versus High-Pressure Sodium Vapour (HPSV) Efficiency: A Data Envelopment Analysis Approach with Undesirable Output
by Nina Sakinah Ahmad Rofaie, Seuk Wai Phoong and Muzalwana Abdul Talib @ Abdul Mutalib
Energies 2022, 15(13), 4589; https://doi.org/10.3390/en15134589 - 23 Jun 2022
Cited by 2 | Viewed by 1722
Abstract
Road lighting is essential to ensure the safety and comfort of its users, especially in preventing accidents and aiding visual tasks. The monumental shift from conventional road lighting technology to light-emitting diode (LED) lighting is driven by energy efficiency, associated cost savings, and [...] Read more.
Road lighting is essential to ensure the safety and comfort of its users, especially in preventing accidents and aiding visual tasks. The monumental shift from conventional road lighting technology to light-emitting diode (LED) lighting is driven by energy efficiency, associated cost savings, and environmental concerns in the road lighting system. This study aims to investigate the performance of LED in substitution for high-pressure sodium vapour (HPSV) road lighting in Penang Bridge, Malaysia using the Data Envelopment Analysis (DEA), a frontier-based optimisation approach, by modelling energy, cost, and environment together, as none of the previous studies has included energy, cost, and environmental concerns together in one model. The LED renewable energy industry that promotes zero carbon emissions has the potential to establish an affordable, clean, and carbon-free energy system for road lighting, especially in rural areas. Full article
(This article belongs to the Special Issue The Energy Water Nexus)
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