Power to gas and H2/NG blend in SMART energy networks concept

Kouchachvili, Lia; Entchev, Evgueniy

doi:10.1016/j.renene.2018.02.088

Cited by 52 publications

(18 citation statements)

References 96 publications

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“…Smart energy networks (SNE) integrate electricity, gas and heat under common Information and Communications Technology (ICT) with power-to-gas technology (PtG) [77]. An 850-kW rooftop solar installation generating 3.5 MWh per day for an electrolyzer system of five 30-Nm 3 /h units would be expected to produce 54 kg of hydrogen per day [78].…”

Section: Multi-generation For Coupled Power and Resourcesmentioning

confidence: 99%

Healthy Power: Reimagining Hospitals as Sustainable Energy Hubs

et al. 2020

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Human health is a key pillar of modern conceptions of sustainability. Humanity pays a considerable price for its dependence on fossil-fueled energy systems, which must be addressed for sustainable urban development. Public hospitals are focal points for communities and have an opportunity to lead the transition to renewable energy. We have reimagined the healthcare energy ecosystem with sustainable technologies to transform hospitals into networked clean energy hubs. In this concept design, hydrogen is used to couple energy with other on-site medical resource demands, and vanadium flow battery technology is used to engage the public with energy systems. This multi-generation system would reduce harmful emissions while providing reliable services, tackling the linked issues of human and environmental health.

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Section: Multi-generation For Coupled Power and Resourcesmentioning

confidence: 99%

Healthy Power: Reimagining Hospitals as Sustainable Energy Hubs

et al. 2020

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“…The produced hydrogen can be directly used as the fuel for fuelcell vehicle. It can also be injected into the gas pipeline to produce Hydrocarbon Natural Gas (HCNG) [4]. Due to the limitations of the compressor, the hydrogen content of HCNG cannot be too large [5].…”

Section: Hpcmentioning

confidence: 99%

“…The hydrogen penetrated IES incorporates multi-type energy busbars in one single system. The system should satisfy the constraints of different energy-carrier busbars, which are defined by equations (1) - (4).…”

Section: B Constrains Of Energy-carrier Busbarsmentioning

confidence: 99%

Design and Evaluation of Operational Scheduling Approaches for HCNG Penetrated Integrated Energy System

Zhou

He²,

et al. 2019

IEEE Access

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This paper proposes and assesses three different control approaches for the hydrocarbon natural gas (HCNG) penetrated integrated energy system (IES). The three control approaches adopt mixed integer linear programing, conditional value at risk (CVaR), and robust optimization (RO), respectively, aiming to mitigate the renewable generation uncertainties. By comparing the performance and efficiency, the most appropriate control approach for the HCNG penetrated IES is identified. The numerical analysis is conducted to evaluate the three control approaches in different scenarios, where the uncertainty level of renewable energy (within the HCNG penetrated IES) varies. The numerical results show that the CVaR-based approach outperforms the other two approaches when renewable uncertainty is high (approximately 30%). In terms of the cost to satisfy the energy demand, the operational cost of the CVaR-based method is 8.29% lower than the RO one, while the RO-based approach has a better performance when the renewable uncertainty is medium (approximately 5%) and it is operational is 0.62% lower than that of the CVaR model. In both evaluation cases, mixed integer linear programing approach cannot meet the energy demand. This paper also compares the operational performance of the IES with and without HCNG. It is shown that the IES with HCNG can significantly improve the capability to accommodate renewable energy with low upgrading cost.

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“…This reduces the return on nuclear capital investment, and can increase the volume of effluent nuclear waste generated. Other measures include curtailment and electricity exports (i.e., 52 TWh of the total 402 TWh nuclear generation), but the latter will no longer be sufficient with higher renewable shares in the future [25]. France targets 40% and 32% of renewables in electricity generation and final energy consumption, respectively, by 2030, with 30% reduction in fossil fuel consumption by 2030 relative to 2012 level.…”

Section: Irelandmentioning

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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Power to gas and H2/NG blend in SMART energy networks concept

Cited by 52 publications

References 96 publications

Healthy Power: Reimagining Hospitals as Sustainable Energy Hubs

Healthy Power: Reimagining Hospitals as Sustainable Energy Hubs

Design and Evaluation of Operational Scheduling Approaches for HCNG Penetrated Integrated Energy System

A Review of Projected Power-to-Gas Deployment Scenarios

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