Abstract

AbstractAn increase in the share of renewable energy sources has an impact on generation variability and generation forecast error, which is also reflected in the formation of the day-ahead electric energy market price. This paper analyzes the impact of variable renewable energy sources and load forecast on the day-ahead German electric energy market. A correlation between the market price, renewable energy sources generation and load forecasts was analyzed. Results show that there is a significant correlation between the forecast of renewable energy sources generation as well as the load on day-ahead electric energy market price. However, the biggest impact on day-ahead price has a residual load, which represents the difference between the load and the renewable generation.KeywordsRenewable energy sourcesElectric loadDay-ahead market priceRenewables generation forecastCorrelation

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