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Energies 2018, 11(12), 3259; https://doi.org/10.3390/en11123259

An Overview of the Portuguese Energy Sector and Perspectives for Power-to-Gas Implementation

LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
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Received: 12 October 2018 / Revised: 12 November 2018 / Accepted: 17 November 2018 / Published: 23 November 2018
(This article belongs to the Special Issue Carbon Capture and Storage)
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Abstract

Energy policies established in 2005 have made Portugal one of the top renewable power producers in Europe, in relative terms. Indeed, the country energy dependence decreased since 2005, although remaining above EU-19 and EU-28 countries in 2015 (77.4% vs. 62.4% vs. 54.0%, respectively). Data collected from governmental, statistical, and companies’ reports and research articles shows that renewables and natural gas assumed a growing importance in the Portuguese energy mix along time, while oil followed an opposite trend. Recently, the country remarkably achieved a full 70-h period in which the mainland power consumed relied exclusively on renewable electricity and has several moments where power production exceeds demand. Currently, the main option for storing those surpluses relies on pumped hydro storage plants or exportation, while other storage alternatives, like Power-to-Gas (PtG), are not under deep debate, eventually due to a lack of information and awareness. Hence, this work aims to provide an overview of the Portuguese energy sector in the 2005–2015 decade, highlighting the country’s effort towards renewable energy deployment that, together with geographic advantages, upholds PtG as a promising alternative for storing the country’s renewable electricity surpluses. View Full-Text
Keywords: CO2 capture and utilization; energy dependence; power-to-methane; synthetic natural gas; renewable power; fossil fuels CO2 capture and utilization; energy dependence; power-to-methane; synthetic natural gas; renewable power; fossil fuels
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Miguel, C.V.; Mendes, A.; Madeira, L.M. An Overview of the Portuguese Energy Sector and Perspectives for Power-to-Gas Implementation. Energies 2018, 11, 3259.

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