Techno-economic analysis of green hydrogen production, storage, and waste heat recovery plant in the context of Nepal

Bishwash Paneru; Anup Paudel; Biplov Paneru; Vikram Alexander; D. P. Mainali; Sameep Karki; Seemant Karki; Sarthak Bikram Thapa; Khem Narayan Poudyal; Ramhari Poudyal

doi:10.1016/j.ijhydene.2024.06.161

Techno-economic analysis of green hydrogen production, storage, and waste heat recovery plant in the context of Nepal

Bishwash Paneru^*, Anup Paudel, Biplov Paneru, Vikram Alexander, D. P. Mainali, Sameep Karki, Seemant Karki, Sarthak Bikram Thapa, Khem Narayan Poudyal, Ramhari Poudyal

^*Corresponding author for this work

Team Maria Santofimia Navarro

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Abstract

Alkaline water electrolysis (AWE) operated by surplus electricity is suitable for producing green hydrogen in Nepal. Simulation models are built using DWSIM software for AWE, multistage compression, and the Organic Rankine Cycle (ORC). The AWE system's Capital Expenditure (CAPEX) is determined to be $47 million and Operational Expenditure (OPEX) of $7.65 million/year. The storage system, including the multistage compression system and Type IV cylinders, has a CAPEX of $52 million and an OPEX of $17 million/year. The ORC has a CAPEX of $500,000 and an OPEX of $200,000/year. The thermal power generated from AWE and multistage compression can be converted to electricity by the ORC and supplied to the AWE system. This process decreases the Levelized Cost of Hydrogen (LCOH) from $3.5141/kg over 5 years to $3.4725/kg over 25 years. The techno-economic analysis performed confirms the feasibility of implementing these plants in Nepal.

Original language	English
Pages (from-to)	892-905
Number of pages	14
Journal	International Journal of Hydrogen Energy
Volume	77
DOIs	https://doi.org/10.1016/j.ijhydene.2024.06.161
Publication status	Published - 2024

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Alkaline water electrolysis
Multistage compression
Organic rankine cycle
Surplus electricity
Type IV cylinder
Waste heat recovery

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.ijhydene.2024.06.161

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title = "Techno-economic analysis of green hydrogen production, storage, and waste heat recovery plant in the context of Nepal",

abstract = "Alkaline water electrolysis (AWE) operated by surplus electricity is suitable for producing green hydrogen in Nepal. Simulation models are built using DWSIM software for AWE, multistage compression, and the Organic Rankine Cycle (ORC). The AWE system's Capital Expenditure (CAPEX) is determined to be $47 million and Operational Expenditure (OPEX) of $7.65 million/year. The storage system, including the multistage compression system and Type IV cylinders, has a CAPEX of $52 million and an OPEX of $17 million/year. The ORC has a CAPEX of $500,000 and an OPEX of $200,000/year. The thermal power generated from AWE and multistage compression can be converted to electricity by the ORC and supplied to the AWE system. This process decreases the Levelized Cost of Hydrogen (LCOH) from $3.5141/kg over 5 years to $3.4725/kg over 25 years. The techno-economic analysis performed confirms the feasibility of implementing these plants in Nepal.",

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author = "Bishwash Paneru and Anup Paudel and Biplov Paneru and Vikram Alexander and Mainali, {D. P.} and Sameep Karki and Seemant Karki and Thapa, {Sarthak Bikram} and Poudyal, {Khem Narayan} and Ramhari Poudyal",

note = "Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.",

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AU - Paneru, Bishwash

AU - Paudel, Anup

AU - Paneru, Biplov

AU - Alexander, Vikram

AU - Mainali, D. P.

AU - Karki, Sameep

AU - Karki, Seemant

AU - Thapa, Sarthak Bikram

AU - Poudyal, Khem Narayan

AU - Poudyal, Ramhari

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PY - 2024

Y1 - 2024

N2 - Alkaline water electrolysis (AWE) operated by surplus electricity is suitable for producing green hydrogen in Nepal. Simulation models are built using DWSIM software for AWE, multistage compression, and the Organic Rankine Cycle (ORC). The AWE system's Capital Expenditure (CAPEX) is determined to be $47 million and Operational Expenditure (OPEX) of $7.65 million/year. The storage system, including the multistage compression system and Type IV cylinders, has a CAPEX of $52 million and an OPEX of $17 million/year. The ORC has a CAPEX of $500,000 and an OPEX of $200,000/year. The thermal power generated from AWE and multistage compression can be converted to electricity by the ORC and supplied to the AWE system. This process decreases the Levelized Cost of Hydrogen (LCOH) from $3.5141/kg over 5 years to $3.4725/kg over 25 years. The techno-economic analysis performed confirms the feasibility of implementing these plants in Nepal.

AB - Alkaline water electrolysis (AWE) operated by surplus electricity is suitable for producing green hydrogen in Nepal. Simulation models are built using DWSIM software for AWE, multistage compression, and the Organic Rankine Cycle (ORC). The AWE system's Capital Expenditure (CAPEX) is determined to be $47 million and Operational Expenditure (OPEX) of $7.65 million/year. The storage system, including the multistage compression system and Type IV cylinders, has a CAPEX of $52 million and an OPEX of $17 million/year. The ORC has a CAPEX of $500,000 and an OPEX of $200,000/year. The thermal power generated from AWE and multistage compression can be converted to electricity by the ORC and supplied to the AWE system. This process decreases the Levelized Cost of Hydrogen (LCOH) from $3.5141/kg over 5 years to $3.4725/kg over 25 years. The techno-economic analysis performed confirms the feasibility of implementing these plants in Nepal.

KW - Alkaline water electrolysis

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KW - Organic rankine cycle

KW - Surplus electricity

KW - Type IV cylinder

KW - Waste heat recovery

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ER -

Techno-economic analysis of green hydrogen production, storage, and waste heat recovery plant in the context of Nepal

Abstract

Bibliographical note

Keywords

UN SDGs

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