Could future electric vehicle energy storage be used for hydropeaking mitigation? An eight-country viability analysis

Román de Andrés, Alfonso and García de Jalón Lastra, Diego and Alonso González, Carlos (2019). Could future electric vehicle energy storage be used for hydropeaking mitigation? An eight-country viability analysis. "Resources, Conservation and Recycling", v. 149 ; pp. 760-777. ISSN 0921-3449. https://doi.org/10.1016/j.resconrec.2019.04.032.

Description

Title: Could future electric vehicle energy storage be used for hydropeaking mitigation? An eight-country viability analysis
Author/s:
  • Román de Andrés, Alfonso
  • García de Jalón Lastra, Diego
  • Alonso González, Carlos
Item Type: Article
Título de Revista/Publicación: Resources, Conservation and Recycling
Date: 2019
ISSN: 0921-3449
Volume: 149
Subjects:
Freetext Keywords: Water policy; hydropower; river ecology; renewable energy; PEV; V2G
Faculty: E.T.S.I. Montes, Forestal y del Medio Natural (UPM)
Department: Sistemas y Recursos Naturales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Hydropower short-term response capability and operating flexibility are critical in some electricity systems, especially during peak demand periods. However, operational variability at hydro plants may originate relevant water flow fluctuations (i.e., hydropeaking) that cause severe alterations in stream ecosystem functionality. Such harmful consequences could be reduced if other energy storage were available. The increasing use of electric vehicles (EVs) has presented the application of their batteries for energy grid scale accumulation purposes. EV interaction with the grid and other renewable energy (RE) sources (primarily wind and solar) has been broadly studied. It seems, however, that EV energy storage allocation to mitigate hydropeaking impacts at regional or national scale remains unexplored. This article evaluates the possibility of using EV batteries to provide the system with additional storage capacity to support a more balanced hydropower operation. The analysis is performed for eight countries with diverse socioeconomic and technological environments. Initially, the coherency in the orders of magnitude between hydropower generation and energy storage capacity is evaluated by calculating the accumulation potential of the current passenger car parc in a hypothetical scenario in which the complete fleet is electrified and suited for vehicle-to-grid (V2G) interaction. After validating the feasibility of the proposal, a long-term analysis is performed using diverse energy, EV rates, and battery capacity forecasts gathered from reliable sources. The results indicate that a 50% PEV fleet using 300 Wh/kg batteries may provide stable storage capacity for average daily hydropower 2050 projections in China, Germany, Japan, Spain and the United States.

More information

Item ID: 64204
DC Identifier: http://oa.upm.es/64204/
OAI Identifier: oai:oa.upm.es:64204
DOI: 10.1016/j.resconrec.2019.04.032
Deposited by: Memoria Investigacion
Deposited on: 10 Nov 2020 12:23
Last Modified: 10 Nov 2020 15:20
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