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Present Status and Promotion Measures for the introduction of Renewable Energy in Japan

Worldwide Promotion Measures for Renewable Energy Introduction

The worldwide promotion measures for renewable energy introduction are roughly categorized into 2 groups.

RPS (RPS: Renewables Portfolio Standard) (Regulation by quantity: Obliges electric utilities to use a fixed minimum amount of renewable energy sources)
  • Characteristics: It enables introduction in a step-wise manner starting from low-cost renewable energy sources and numerical figures can be set.
  • Launched in the U.S., UK, Australia, Japan, etc.
  • In general, introduction has made progress in RPS-adopting countries for achieving the target.
Feed in Tariff (FIT) (Regulation by price: Obliges electric utilities to purchase renewable energy sources at a fixed price). In Japan, the purchase scheme applies only to excess electricity by PV power generation.
  • Feed in Tariff (FIT) is a scheme that obliges electric companies to purchase electricity generated from new energy sources, etc.
  • Unlike in the RPS method, it is difficult to set targets for introduced capacity.
  • Launched in Germany, Spain, Italy, etc.
  • Introduction of renewable energy is in progress at a high purchasing price in FIT-adopting countries; however, movements to review the purchase price are seen in recent years.
Figure: Implementation Status of RPS and FIT across the World
Figure: Implementation Status of RPS and FIT across the World

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