Chapter 23

After Fukushima

The Evolution of Japanese Electricity Market

Hiroshi Asanoa and Mika Gotob,    aCentral Research Institute of Electric Power Industry (CRIEPI), and the University of Tokyo, bCentral Research Institute of Electric Power Industry (CRIEPI)

1 Introduction

Japan has few energy resources and is dependent on imports for 96% of its primary energy supply. Even with nuclear energy included as domestic energy, energy import dependency is still at 82% (Energy White Paper, 2010). Thus, Japan’s energy supply structure is extremely vulnerable. Following the two oil crises in the 1970s, Japan diversified its energy sources through increased use of nuclear energy, natural gas and coal, as well as the promotion of energy efficiency and ...

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