Ministry of Economy, Trade and Industry
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Status by Energy Source

Photovoltaic (PV) Power Generation

Data (as of 2005)

  • Introduced capacity: Approx. 1.42 million kW ( 0.35 million kl crude oil equivalent)
  • Power generation cost: Approx. ¥49/kWh
  • CO2reduction cost (estimate): Approx. ¥69,000/t-CO2

Outlook of long-term energy demand (case of optimal introduction)

  • Increase in introduced capacity by about 20 times compared to FY 2005 in around 2020
  • Reduction in system price by about half in 3-5 years (policy target)


  • Drastic reductions in power generation costs are expected.
  • Potential introduced capacity is large for both household and non-household purposes (can be introduced by an individual).
  • The industrial base is broad.


  • Power generation cost is higher than that in other power generation systems.
  • Requires system stabilization measures due to output instability

Present promotion measures for introduction

  • Subsidies (for household/business facilities/public facilities)
  • Taxation
  • Excess electricity purchase systems (FIT)
  • Renewable Portfolio Standard (RPS)(limited to those not adopting Feed-in Tariff (FIT))
  • R & D/demonstration tests
Changes in the Cumulative Introduced PV Capacity Production of PV Cells across the world (2008)

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Ministry of Economy, Trade and Industry
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