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第 67 巻 168 602 第3号 TWh 2017 太陽光発電 量の 37 は 2013 年以降 に設置され た太陽光発 電設備由来 太陽光発電 量の 63 は 2012 年まで に設置され た太陽光発 電設備由来 年 2016 2015 2014 2013 2012 2011 第 4 図 2012 年から 2018 年における太陽光発電量の伸び 出所 Loreck (2013), S.24, Abb. 11. Mrd. 支 払 額 の 13 は 2013 年以降に設 置された太 陽光発電設 備由来 2017 2016 2015 支 払 額 の 87 は 2012 年までに設 置された太 陽光発電設 備由来 2014 2013 2012 年 第 5 図 2012 年から 2018 年における太陽光発電事業者に対する支払額の推移 出所 Loreck (2013), S.24, Abb. 12. 2011
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170 604 67 3 Federal Ministry for the Environment, Nature Conservation and Nuclear Safety 2011; Lutz u.a. 2014; Blazejczak et al. 2014 50Maier und Schmidt 2014, S.1617 UNIDEN2014 4.2 kwh 352013 3.78 kwh 4.3 kwh 6.2 kwh 2.2 2014 2013 1
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174 608 67 3 The Doshisha University Economic Review, Vol. 67 No. 3 Abstract Toru MOROTOMI, Marketization of Renewable Energy Policy: The Significance of the German Renewable Sources Act of 2014 The feed-in tariff system is a core instrument for renewable energy policy promotion. It has successfully contributed to the growth of renewable energy nearly all over the world, but it suffers the problem of cost expansion incurred by purchasing renewables at higher prices. The German Renewable Energy Sources Act of 2014 tackled this issue through a step-by-step reduction in remuneration/ feed-in tariffs as well as marketization of the renewable energy policy via direct selling, market premium, and auctioning. This paper discusses the significance of the Act and predicts that it will succeed in controlling the cost expansion issue.