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

Joana Portugal-Pereira and Miguel Esteban ()

Applied Energy, 2014, vol. 123, issue C, 424-434

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.

Keywords: Energy security of supply; Hourly supply/demand balance; Electricity generation portfolios; Renewable energy; Nuclear power; Japan (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (39)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:123:y:2014:i:c:p:424-434

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DOI: 10.1016/j.apenergy.2014.01.024

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