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Article

Optimal Operation of Combined Energy and Water Systems for Community Resilience against Natural Disasters

Electrical Engineering Department, Colorado School of Mines, Golden, CO 80401, USA
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Author to whom correspondence should be addressed.
Academic Editor: José Matas
Energies 2021, 14(19), 6132; https://doi.org/10.3390/en14196132
Received: 26 July 2021 / Revised: 31 August 2021 / Accepted: 22 September 2021 / Published: 26 September 2021
(This article belongs to the Special Issue Power Grid Resilience)
One of the most critical challenges for modern power systems is to reliably supply electricity to its consumers during and in the aftermath of natural disasters. As our dependence on electrical power has increased over the years, long-term power outages can lead to devastating impacts on affected communities. Furthermore, power outages can halt the operation of water treatment plants, leading to shortages in clean water, which is essential during post-disaster recovery. One way to address this is to temporarily reconfigure power and water networks into localized networks, i.e., electric microgrids and water micro-nets, that utilize local resources to supply local demand independently of the main power grid and/or water network. Utilizing distributed energy resources such as wind and solar and treating wastewater locally for potable reuse can provide the operational flexibility for such systems to operate sustainably. However, due to uncertainties in both renewable energy generation and electric/water consumption, ensuring sustainable operation is a challenging task. In this paper, an optimal operational strategy is proposed for an islanded microgrid/micro-net, considering the stochastic nature of renewable energy resources, electric demand, and water demand. An energy storage system is modeled to address the uncertainty in power generation and demand, in conjunction with local water storage and wastewater treatment to accommodate variable water demands. A two-stage stochastic programming model is formulated and solved to determine an optimal operation strategy for the combined system. View Full-Text
Keywords: energy optimization; demand response; electric microgrid; natural disasters; power system resilience; water micro-net energy optimization; demand response; electric microgrid; natural disasters; power system resilience; water micro-net
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MDPI and ACS Style

Joshi, G.; Mohagheghi, S. Optimal Operation of Combined Energy and Water Systems for Community Resilience against Natural Disasters. Energies 2021, 14, 6132. https://doi.org/10.3390/en14196132

AMA Style

Joshi G, Mohagheghi S. Optimal Operation of Combined Energy and Water Systems for Community Resilience against Natural Disasters. Energies. 2021; 14(19):6132. https://doi.org/10.3390/en14196132

Chicago/Turabian Style

Joshi, Govind, and Salman Mohagheghi. 2021. "Optimal Operation of Combined Energy and Water Systems for Community Resilience against Natural Disasters" Energies 14, no. 19: 6132. https://doi.org/10.3390/en14196132

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