Environmental analysis of a Concentrated Solar Power (CSP) plant hybridised with different fossil and renewable fuels

Corona Bellostas, Blanca and San Miguel Alfaro, Guillermo (2014). Environmental analysis of a Concentrated Solar Power (CSP) plant hybridised with different fossil and renewable fuels. "Fuel", v. 145 ; pp. 63-69. ISSN 0016-2361. https://doi.org/10.1016/j.fuel.2014.12.068.

Description

Title: Environmental analysis of a Concentrated Solar Power (CSP) plant hybridised with different fossil and renewable fuels
Author/s:
  • Corona Bellostas, Blanca
  • San Miguel Alfaro, Guillermo
Item Type: Article
Título de Revista/Publicación: Fuel
Date: 31 December 2014
Volume: 145
Subjects:
Freetext Keywords: Life Cycle Assessment, Cumulative Energy Demand, Energy Payback Time, biomass, biogas, natural gas, fuel oil, coal.
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Química Industrial y del Medio Ambiente
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The environmental performance of a 50 MW parabolic trough Concentrated Solar Power (CSP) plant hybridised with different fuels was determined using a Life Cycle Assessment methodology. Six different scenarios were investigated, half of which involved hybridisation with fossil fuels (natural gas, coal and fuel oil), and the other three involved hybridisation with renewable fuels (wheat straw, wood pellets and biogas). Each scenario was compared to a solar-only operation. Nine different environmental categories as well as the Cumulative Energy Demand and the Energy Payback Time (EPT) were evaluated using Simapro software for 1 MWh of electricity produced. The results indicate a worse environmental performance for a CSP plant producing 12% of the electricity from fuel than in a solar-only operation for every indicator, except for the eutrophication and toxicity categories, whose results for the natural gas scenario are slightly better. In the climate change category, the results ranged between 26.9 and 187 kg CO2 eq/MWh, where a solar-only operation had the best results and coal hybridisation had the worst. Considering a weighted single score indicator, the environmental impact of the renewable fuels scenarios is approximately half of those considered in fossil fuels, with the straw scenario showing the best results, and the coal scenario the worstones. EPT for solar-only mode is 1.44 years, while hybridisation scenarios EPT vary in a range of 1.72 -1.83 years for straw and pellets respectively. The fuels with more embodied energy are biomethane and wood pellets.

Funding Projects

TypeCodeAcronymLeaderTitle
FP7308912HYSOLCollaborative ProjectInnovative Configuration for a Fully Renewable Hybrid CSP Plant

More information

Item ID: 38416
DC Identifier: http://oa.upm.es/38416/
OAI Identifier: oai:oa.upm.es:38416
DOI: 10.1016/j.fuel.2014.12.068
Official URL: https://www.sciencedirect.com/journal/fuel
Deposited by: Blanca Corona
Deposited on: 16 Nov 2015 07:32
Last Modified: 12 Jun 2019 07:39
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