Scandinavian Working Papers in Economics
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Department of Business and Management Science, Norwegian School of Economics (NHH) Discussion Papers, Department of Business and Management Science, Norwegian School of Economics (NHH)

No 2016/18:
Electricity Prices, Large-Scale Renewable Integration, and Policy Implications

Evangelos Kyritsis (), Jonas Andersson () and Apostolos Serletis ()

Abstract: This paper investigates the effects of intermittent solar and wind power generation on electricity price formation in Germany. We use daily data from 2010 to 2015, a period with profound modifications in the German electricity market, the most notable being the rapid integration of photovoltaic and wind power sources, as well as the phasing out of nuclear energy. In the context of a GARCH-in-Mean model, we show that both solar and wind power Granger cause electricity prices, that solar power generation reduces the volatility of electricity prices by scaling down the use of peak-load power plants, and that wind power generation increases the volatility of electricity prices by challenging electricity market exibility.

Keywords: Intermittency; Large-scale integration; Merit-order effect; Volatility; GARCH-in-Mean model; (follow links to similar papers)

JEL-Codes: C22; Q41; Q42; (follow links to similar papers)

35 pages, November 22, 2016

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