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Integrating Mobile Thermal Energy Storage (M-TES) in the City of Surrey’s District Energy Network: A Techno-Economic Analysis

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Pacific Institute for Climate Solutions and Laboratory for Alternative Energy Conversion (LAEC), School of Mechatronic Systems Engineering & School of Sustainable Energy Engineering, Simon Fraser University, 250-13450 102 Ave, Surrey, BC V3T 0A3, Canada
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Engineering Department, City of Surrey, Surrey City Hall 13450—104 Avenue Surrey, BC, V3T 1V8, Canada
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Author to whom correspondence should be addressed.
Appl. Sci. 2021, 11(3), 1279; https://doi.org/10.3390/app11031279
Received: 13 December 2020 / Revised: 16 January 2021 / Accepted: 26 January 2021 / Published: 30 January 2021
(This article belongs to the Special Issue Materials for Thermochemical Energy Storage)
The City of Surrey in British Columbia, Canada has recently launched a district energy network (DEN) to supply residential and commercial buildings in the Surrey Centre area with hot water for space and domestic hot water heating. The network runs on natural gas boilers and geothermal exchange. However, the City plans to transition to low-carbon energy sources and envisions the DEN as a key development in reaching its greenhouse gas emissions (GHG) reduction targets in the building sector. Harvesting and utilizing waste heat from industrial sites using a mobile thermal energy storage (M-TES) is one of the attractive alternative energy sources that Surrey is considering. In this study, a techno-economic analysis (TEA) was conducted to determine the energy storage density (ESD) of the proposed M-TES technology, costs, and the emission reduction potential of integrating waste heat into Surrey’s DEN. Three transportation methods were considered to determine the most cost-effective and low-carbon option(s) to transfer heat from industrial waste heat locations at various distances (15 km, 30 km, 45 km) to district energy networks, including: (i) a diesel truck; (ii) a renewable natural gas-powered (RNG) truck, and (iii) an electric truck. To evaluate the effectiveness of M-TES, the cost of emission reduction ($/tCO2e avoided) is compared with business as usual (BAU), which is using a natural gas boiler only. Another comparison was made with other low carbon energy sources that the city is considering, such as RNG/biomass boiler, sewer heat recovery, electric boiler, and solar thermal. The minimum system-level ESD required to makes M-TES competitive when compared to other low carbon energy sources was 0.4 MJ/kg. View Full-Text
Keywords: district energy network; mobile thermal energy storage (M-TES); industrial waste heat; techno-economic analysis; and GHG emission reduction; low carbon energy district energy network; mobile thermal energy storage (M-TES); industrial waste heat; techno-economic analysis; and GHG emission reduction; low carbon energy
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MDPI and ACS Style

Shehadeh, M.; Kwok, E.; Owen, J.; Bahrami, M. Integrating Mobile Thermal Energy Storage (M-TES) in the City of Surrey’s District Energy Network: A Techno-Economic Analysis. Appl. Sci. 2021, 11, 1279. https://doi.org/10.3390/app11031279

AMA Style

Shehadeh M, Kwok E, Owen J, Bahrami M. Integrating Mobile Thermal Energy Storage (M-TES) in the City of Surrey’s District Energy Network: A Techno-Economic Analysis. Applied Sciences. 2021; 11(3):1279. https://doi.org/10.3390/app11031279

Chicago/Turabian Style

Shehadeh, Maha, Emily Kwok, Jason Owen, and Majid Bahrami. 2021. "Integrating Mobile Thermal Energy Storage (M-TES) in the City of Surrey’s District Energy Network: A Techno-Economic Analysis" Applied Sciences 11, no. 3: 1279. https://doi.org/10.3390/app11031279

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