\frametitle{Supply-Demand Curve Real Example}

  At \href{https://www.epexspot.com/en/market-data?market_area=AT&trading_date=2020-06-04&delivery_date=2020-06-05&underlying_year=&modality=Auction&sub_modality=DayAhead&product=60&data_mode=aggregated&period=}{\bf\color{blue}\underline{epexspot.com}} you can find the real supply-demand curves for every hour, here's an old example for Germany-Austria from 2017:

  \centering
    \includegraphics[width=9cm]{DEAT-170531-14}