Transition of Future Energy System Infrastructure; through Power-to-Gas Pathways

Maroufmashat, Azadeh; Fowler, Michael

doi:10.3390/en10081089

Cited by 120 publications

(85 citation statements)

References 60 publications

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“…All scenarios but A require parameters related to the technology of both electrolysis and bio‐P2M that need to be included. The best option for electrolysis at farm scale is currently a proton exchange membrane (PEM) electrolyser . Its electricity consumption is in theory 3.54 kWh Nm −3 hydrogen.…”

Section: Methodsmentioning

confidence: 99%

“…Costs of purification of water before electrolysis are considered part of the costs hydrogen production. The technical lifetime of a PEM electrolyser is assumed to be at least 12 years . Operation and maintenance (O&M) costs include electricity and water, as well as maintenance, insurance, etc.…”

Section: Methodsmentioning

confidence: 99%

“…The best option for electrolysis at farm scale is currently a proton exchange membrane (PEM) electrolyser. 11, 45 Its electricity consumption is in theory 3.54 kWh Nm −3 hydrogen. Due to conversion losses, the actual electricity consumption may vary from 4.5 to 8.3 kWh Nm −3 .…”

Section: Methodsmentioning

confidence: 99%

“…The technical lifetime of a PEM electrolyser is assumed to be at least 12 years. 45 Operation and maintenance (O&M) costs include electricity and water, as well as maintenance, insurance, etc. The latter is estimated to be 5% of the investment costs per year.…”

Section: Methodsmentioning

confidence: 99%

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Farm‐scale bio‐power‐to‐methane: Comparative analyses of economic and environmental feasibility

et al. 2019

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Summary Power‐to‐gas technologies are considered to be part of the future energy system, but their viability and applicability need to be assessed. Therefore, models for the viability of farm‐scale bio‐power‐to‐methane supply chains to produce green gas were analysed in terms of levelised cost of energy, energy efficiency and saving of greenhouse gas emission. In bio‐power‐to‐methane, hydrogen from electrolysis driven by surplus renewable electricity and carbon dioxide from biogas are converted to methane by microbes in an ex situ trickle‐bed reactor. Such bio‐methanation could replace the current upgrading of biogas to green gas with membrane technology. Four scenarios were compared: a reference scenario without bio‐methanation (A), bio‐methanation (B), bio‐methanation combined with membrane upgrading (C) and the latter with use of renewable energy only (all‐green; D). The reference scenario (A) has the lowest costs for green gas production, but the bio‐methanation scenarios (B‐D) have higher energy efficiencies and environmental benefits. The higher costs of the bio‐methanation scenarios are largely due to electrolysis, whereas the environmental benefits are due to the use of renewable electricity. Only the all‐green scenario (D) meets the 2026 EU goal of 80% reduction of greenhouse gas emissions, but it would require a CO2 price of 200 € t−1 to achieve the levelised cost of energy of 65 €ct Nm−3 of the reference scenario. Inclusion of the intermittency of renewable energy in the scenarios substantially increases the costs. Further greening of the bio‐methanation supply chain and how intermittency is best taken into account need further investigation.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Farm‐scale bio‐power‐to‐methane: Comparative analyses of economic and environmental feasibility

et al. 2019

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“…The papers by Fowler and coworkers of this Special Issue (Mukherjee et al [8] and Maroufmashat and Fowler [9]) deal with an important concept in energy systems: power to gas. This is a promising option for storing intermittent renewables, nuclear baseload power, and distributed energy and is a novel concept for the transition to increased renewable content of current fuels.…”

mentioning

confidence: 99%

Energy Production Systems

Elkamel

2018

Energies

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This Special Issue aims to present solutions that effectively account for sustainability and lower greenhouse gas emissions, while meeting growing energy demands. The quest for pollution prevention and increased pressure and demand for environmentally sustainable processes and products have been creating new rules in the process industry. Sustainability is defined as "economic development that meets the needs of the present generation without compromising the ability of future generations to meet their own needs". The aim of this Special Issue is to present new solutions to one of the grand challenges of this century: supplying energy to a growing population in an environmentally and economically sustainable way. Since no single technology can meet this ultimate energy challenge of the future on its own, promising solutions are based on energy system approaches that can provide insight and data on how viable an energy production pathway can be. A diverse number of energy sources can be taken into account, including biomass, hydroelectric, wind, solar, natural gas, coal, and nuclear energy. The papers in this Special Issue present optimal solutions to effectively account for sustainability and lower greenhouse gas emissions, while meeting growing energy demands. The papers provide reliable and innovative ideas, applications, and tested implementations of energy systems that deal with a multiregion, multitechnology decision framework that is based upon a bottom-up view of industrial activities and a top-down view of energy and other product demands.The first paper, by Al-Sobhi et al.[1], sets the stage for the remainder of the Issue and provides a comprehensive framework for the synthesis and design of natural gas utilization networks considering CO 2 emissions. Since a multitude of potential diversification and conversion options are available for the utilization of natural gas resources, as well as several design configurations and technology choices that exist for the conversion of natural gas to value-added products, the paper presents a novel and detailed mathematical model that is able to select an optimal configuration and operating mode among the various options available and at the same timing maximizing profits and minimizing CO 2 emissions. The next paper, by Yu et al. [2], considers large-scale wind farms that are included in cogeneration systems and recommends the utilization of electrical energy storage and thermal energy auxiliaries in order to reduce the large amount of wind energy that may have to be wasted. Storage systems investigated by the authors included pumped hydro storage (PHS), compressed air energy storage (CAES), hydrogen-based energy storage (HES), heat storage (HS), electric boilers (EB), and heat pumps (HP). The paper proposes a general evaluation method to compare the performance of these different approaches for promoting wind power integration.Paper three, by Noussan and Nastasi [3], makes use of an emerging topic in the area of energy systems-big data analytics-and provides an in...

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Efficient Renewable Energy Systems

Prabhansu

Kumar

2021

Design and Development of Efficient Energy Systems

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Transition of Future Energy System Infrastructure; through Power-to-Gas Pathways

Cited by 120 publications

References 60 publications

Farm‐scale bio‐power‐to‐methane: Comparative analyses of economic and environmental feasibility

Farm‐scale bio‐power‐to‐methane: Comparative analyses of economic and environmental feasibility

Energy Production Systems

Efficient Renewable Energy Systems

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