Optimizing investments in coupled offshore wind -electrolytic hydrogen storage systems in Denmark

Hou, Peng; Enevoldsen, Peter; Eichman, Joshua; Hu, Weihao; Jacobson, Mark Z.; Chen, Zhe

doi:10.1016/j.jpowsour.2017.05.048

Cited by 148 publications

(55 citation statements)

References 27 publications

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“…Power-to-Gas is a general term for the technology of converting renewable electrical power into chemical energy in the form of flammable gases [9, 55,56] and comprises of two concepts: Power-to-Hydrogen (also Power-to-Gas-Hydrogen, PtG-H 2 ) [47,57,58] and Power-to-Methane (Power-to-Gas-Methane, PtG-CH 4 ) [9].…”

Section: Power-to-gas-definitions and System Boundariesmentioning

confidence: 99%

Biological CO2-Methanation: An Approach to Standardization

Thema

Weidlich

Hörl³

et al. 2019

Energies

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Power-to-Methane as one part of Power-to-Gas has been recognized globally as one of the key elements for the transition towards a sustainable energy system. While plants that produce methane catalytically have been in operation for a long time, biological methanation has just reached industrial pilot scale and near-term commercial application. The growing importance of the biological method is reflected by an increasing number of scientific articles describing novel approaches to improve this technology. However, these studies are difficult to compare because they lack a coherent nomenclature. In this article, we present a comprehensive set of parameters allowing the characterization and comparison of various biological methanation processes. To identify relevant parameters needed for a proper description of this technology, we summarized existing literature and defined system boundaries for Power-to-Methane process steps. On this basis, we derive system parameters providing information on the methanation system, its performance, the biology and cost aspects. As a result, three different standards are provided as a blueprint matrix for use in academia and industry applicable to both, biological and catalytic methanation. Hence, this review attempts to set the standards for a comprehensive description of biological and chemical methanation processes.

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Section: Power-to-gas-definitions and System Boundariesmentioning

confidence: 99%

Biological CO2-Methanation: An Approach to Standardization

Thema

Weidlich

Hörl³

et al. 2019

Energies

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“…The main applications of P2G are focused on supplying gas to transport and industrial sectors [155]. Furthermore, the use of P2G has been proved in Denmark to be a successful tool to complement wind power plants [156]. However, both investment costs of facilities and energy losses (due to the low efficiency in the conversion process) are high.…”

Section: Power-to-x Conversionmentioning

confidence: 99%

Offshore Wind Power Integration into Future Power Systems: Overview and Trends

Fernández‐Guillamón

Das

Cutululis

et al. 2019

JMSE

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Nowadays, wind is considered as a remarkable renewable energy source to be implemented in power systems. Most wind power plant experiences have been based on onshore installations, as they are considered as a mature technological solution by the electricity sector. However, future power scenarios and roadmaps promote offshore power plants as an alternative and additional power generation source, especially in some regions such as the North and Baltic seas. According to this framework, the present paper discusses and reviews trends and perspectives of offshore wind power plants for massive offshore wind power integration into future power systems. Different offshore trends, including turbine capacity, wind power plant capacity as well as water depth and distance from the shore, are discussed. In addition, electrical transmission high voltage alternating current (HVAC) and high voltage direct current (HVDC) solutions are described by considering the advantages and technical limitations of these alternatives. Several future advancements focused on increasing the offshore wind energy capacity currently under analysis are also included in the paper.

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“…Denmark has actively driven the implementation of wind power, achieving 432 GW capacity and 42% wind share in its electricity generation in 2015 [75]. The country aims at zero fossil energy by 2050, which will be achieved in steps including 50% wind share in power generation by 2020, 100% renewables in power and heating by 2030, and phasing out coal power [96].…”

Section: Denmarkmentioning

confidence: 99%

“…Hou et al [75] evaluated, from an economic investment perspective, the integration of either an alkaline or PEM-based 10-100 MW power-to-hydrogen plant with a 72 MW off-shore wind farm. Electrolytic hydrogen was produced from excess/low-cost wind electricity to stabilize the electricity network and electricity prices, fuel mobility/industry, and/or re-generate electricity using a 0.2-0.7 kW e PEM fuel cell.…”

Section: Denmarkmentioning

confidence: 99%

A Review of Projected Power-to-Gas Deployment Scenarios

Eveloy

Gebreegziabher

2018

Energies

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Technical, economic and environmental assessments of projected power-to-gas (PtG) deployment scenarios at distributed-to national-scale are reviewed, as well as their extensions to nuclear-assisted renewable hydrogen. Their collective research trends, outcomes, challenges and limitations are highlighted, leading to suggested future work areas. These studies have focused on the conversion of excess wind and solar photovoltaic electricity in European-based energy systems using low-temperature electrolysis technologies. Synthetic natural gas, either solely or with hydrogen, has been the most frequent PtG product. However, the spectrum of possible deployment scenarios has been incompletely explored to date, in terms of geographical/sectorial application environment, electricity generation technology, and PtG processes, products and their end-uses to meet a given energy system demand portfolio. Suggested areas of focus include PtG deployment scenarios: (i) incorporating concentrated solar-and/or hybrid renewable generation technologies; (ii) for energy systems facing high cooling and/or water desalination/treatment demands; (iii) employing high-temperature and/or hybrid hydrogen production processes; and (iv) involving PtG material/energy integrations with other installations/sectors. In terms of PtG deployment simulation, suggested areas include the use of dynamic and load/utilization factor-dependent performance characteristics, dynamic commodity prices, more systematic comparisons between power-to-what potential deployment options and between product end-uses, more holistic performance criteria, and formal optimizations.

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Optimizing investments in coupled offshore wind -electrolytic hydrogen storage systems in Denmark

Cited by 148 publications

References 27 publications

Biological CO2-Methanation: An Approach to Standardization

Biological CO2-Methanation: An Approach to Standardization

Offshore Wind Power Integration into Future Power Systems: Overview and Trends

A Review of Projected Power-to-Gas Deployment Scenarios

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