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Brno University of Technology Details Findings in Sustainable Energy (Energy Ratio analysis and accounting for renewable and non-renewable electricity generation: A review)

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Energy Weekly News

By a News Reporter-Staff News Editor at Energy Weekly News -- Research findings on Sustainability Research - Sustainable Energy are discussed in a new report. According to news originating from Brno, Czech Republic, by VerticalNews correspondents, research stated, "This review collates energy assessment data for the most common electricity generation methods and evaluates five Energy Ratios. The considered ratios are Energy Return on Investment (EROI)-standard and external, Energy Payback Time (EPT), Primary Energy Factor (PEF), and Resource Utilisation Factor (RUF)."

Financial support for this research came from European Union.

Our news journalists obtained a quote from the research from the Brno University of Technology, "A common energy analysis framework, together with three energy accounting methods based on energy value, exergy, and primary energy, are described. The concept of the time-value for energy as an analogy to the time-value for money is proposed and has a significant impact on the calculated Energy Ratios. In total, this review brings together data for 45 electricity generation projects. Based on the Energy Return on Investment (external), the generation methods fall into three tiers: (1) nuclear, natural gas combined cycle, and geothermal (in New Zealand) with ratios > 30, (2) hydro, wind, and geothermal (in Iceland) with ratios between 5-30, and (3) solar PV with ratios less than 5. High Energy Return on Investment ratios correspond to short Energy Payback Times and vice versa. Energy Ratio performance levels for renewable energy generation sources-hydro, wind, geothermal and solar-heavily rely on the quality of the primary natural resource available."

According to the news editors, the research concluded: "This review recommends Energy Return on Investment (external) and Resource Utilisation Factor as the most useful metrics for inclusion in full sustainability assessment."

For more information on this research see: Energy Ratio analysis and accounting for renewable and non-renewable electricity generation: A review. Renewable & Sustainable Energy Reviews, 2018;98():328-345. Renewable & Sustainable Energy Reviews can be contacted at: Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England. (Elsevier - www.elsevier.com; Renewable & Sustainable Energy Reviews - www.journals.elsevier.com/renewable-and-sustainable-energy-reviews/)

The news correspondents report that additional information may be obtained from T.G. Walmsley, Brno Univ Technol, NETME Center, SPIL, Fac Mech Engn, Brno, Czech Republic. Additional authors for this research include M.R.W. Walmsley, P.S. Varbanov and J.J. Klemes.

The direct object identifier (DOI) for that additional information is: https://doi.org/10.1016/j.rser.2018.09.034. This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.

 

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