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How high feed-in tariffs impacted the capital cost of solar PV in Japan

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Název: How high feed-in tariffs impacted the capital cost of solar PV in Japan
Autoři: Kimura, Keiji, Lundberg, Liv, Kåberger, Tomas, 1961
Zdroj: Renewable Energy. 244
Témata: Japan energy policy, Solar PV cost, Renewable energy policy, Feed-in tariff
Popis: This study investigates the impact of feed-in tariffs (FITs) on the capital expenditures (CAPEX) of solar photo-voltaics (PV) projects in Japan. In 2012, Japan introduced a FIT scheme with the highest tariff levels in theworld. Tariffs for a project were set at the time when the project obtained a qualification, but early projects hadno deadline for starting operations, and many where not built until many years later. The installed capacity ofsolar PV in Japan surged under the scheme. However, Japan has suffered from high costs of solar PV compared tothe global level. Using survey data from Japanese solar PV projects, and econometric modelling we leverage thefact that projects qualified at different points in time, with different FIT levels, have subsequently been builtsimultaneously. We find that higher FIT levels are correlated with increased CAPEX, where a 1 JPY/kWh increasein the FIT level is linked to a 3.31 JPY/W rise in CAPEX. This may be due to that developers with guaranteed hightariffs have weaker incentives to reduce costs and/or to strategic pricing by suppliers. Our findings indicate thatpoorly designed support schemes can counteract the policy goal of reducing renewable energy costs.
Popis souboru: electronic
Přístupová URL adresa: https://research.chalmers.se/publication/545229
https://research.chalmers.se/publication/545537
https://research.chalmers.se/publication/545537/file/545537_Fulltext.pdf
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  Data: How high feed-in tariffs impacted the capital cost of solar PV in Japan
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Kimura%2C+Keiji%22">Kimura, Keiji</searchLink><br /><searchLink fieldCode="AR" term="%22Lundberg%2C+Liv%22">Lundberg, Liv</searchLink><br /><searchLink fieldCode="AR" term="%22Kåberger%2C+Tomas%22">Kåberger, Tomas</searchLink>, 1961
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  Data: <i>Renewable Energy</i>. 244
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  Label: Subject Terms
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  Data: <searchLink fieldCode="DE" term="%22Japan+energy+policy%22">Japan energy policy</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+PV+cost%22">Solar PV cost</searchLink><br /><searchLink fieldCode="DE" term="%22Renewable+energy+policy%22">Renewable energy policy</searchLink><br /><searchLink fieldCode="DE" term="%22Feed-in+tariff%22">Feed-in tariff</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: This study investigates the impact of feed-in tariffs (FITs) on the capital expenditures (CAPEX) of solar photo-voltaics (PV) projects in Japan. In 2012, Japan introduced a FIT scheme with the highest tariff levels in theworld. Tariffs for a project were set at the time when the project obtained a qualification, but early projects hadno deadline for starting operations, and many where not built until many years later. The installed capacity ofsolar PV in Japan surged under the scheme. However, Japan has suffered from high costs of solar PV compared tothe global level. Using survey data from Japanese solar PV projects, and econometric modelling we leverage thefact that projects qualified at different points in time, with different FIT levels, have subsequently been builtsimultaneously. We find that higher FIT levels are correlated with increased CAPEX, where a 1 JPY/kWh increasein the FIT level is linked to a 3.31 JPY/W rise in CAPEX. This may be due to that developers with guaranteed hightariffs have weaker incentives to reduce costs and/or to strategic pricing by suppliers. Our findings indicate thatpoorly designed support schemes can counteract the policy goal of reducing renewable energy costs.
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        Value: 10.1016/j.renene.2025.122685
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      – Text: English
    Subjects:
      – SubjectFull: Japan energy policy
        Type: general
      – SubjectFull: Solar PV cost
        Type: general
      – SubjectFull: Renewable energy policy
        Type: general
      – SubjectFull: Feed-in tariff
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            NameFull: Lundberg, Liv
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            NameFull: Kåberger, Tomas
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              Y: 2025
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              Value: 244
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            – TitleFull: Renewable Energy
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