Implications of paradigm shift in Japan's electricity security of supply: A multi-dimensional indicator assessment

Joana Portugal-Pereira, Miguel Esteban

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The present study developed a series of indicators to assess the electricity generation security of supply under different energy portfolios in Japan in a post-3/11 context. A baseline and four alternative scenarios were designed assuming different shares of fossil fuel and nuclear thermal power and renewables in a 2030 timeframe. The analysis revealed that expanding endogenous energy resources together with a reduction of nuclear power and fossil fuel technologies appears to be a promising strategy to enhance electricity security of supply. Under this strategy imported fossil fuel dependence would decrease to 69.3%, whereas environmental impacts would decline 15-22%, compared to pre-Fukushima levels (baseline scenario). However, an immediate transition to grid-connected renewable energies is not realistic and would increase stress on the system reliability in the short-term, given infrastructure and technical constraints. Investment should be channelised to develop storage and back-up systems, as well as de-centralisation of supply systems to increase energy system resilience and security of supply.

Original languageEnglish
Pages (from-to)424-434
Number of pages11
JournalApplied Energy
Volume123
DOIs
Publication statusPublished - 2014 Jun 15
Externally publishedYes

Fingerprint

paradigm shift
Fossil fuels
fossil fuel
electricity
Electricity
nuclear power
energy
thermal power
electricity generation
Energy resources
energy resource
decentralization
Nuclear energy
Environmental impact
environmental impact
infrastructure
indicator

Keywords

  • Electricity generation portfolios
  • Energy security of supply
  • Hourly supply/demand balance
  • Japan
  • Nuclear power
  • Renewable energy

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Energy(all)

Cite this

Implications of paradigm shift in Japan's electricity security of supply : A multi-dimensional indicator assessment. / Portugal-Pereira, Joana; Esteban, Miguel.

In: Applied Energy, Vol. 123, 15.06.2014, p. 424-434.

Research output: Contribution to journalArticle

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