The impact of renewables on electricity prices in Germany – An estimation based on historic spot prices in the years 2011–2013
作者： Marius Dillig , Manuel Jung , Jürgen Karl
DOI: 10.1016/J.RSER.2015.12.003
关键词: Investment (macroeconomics) 、 Energy market 、 Electricity 、 Spot contract 、 Renewable energy 、 Electricity retailing 、 Market price 、 Microeconomics 、 Supply and demand 、 Natural resource economics 、 Economics
摘要: Abstract Germany׳s public opinion and media usually attribute increasing electricity prices to the high share of renewables in German power system. But average at European Energy Exchange dropped during last years due an excess renewable energy. This study uses historic market data order quantify effect on prices. Historic demand supply curves from 2011 2013 have been used reconstruct under assumption that no wind PV would be available. The analysis reveals astonishingly increase up 5.29 ct/kWh a lack non-renewable capacities. In available conventional capacity not able cover 269 hours. estimated maximum deficit 5.6 GW is good agreement published by grid operators. discussion origin this leads conclusion current situation has caused renewables. liberalization energy established investment risks hindered required long time before boomed.
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