In this work, we explore the impact that intra-daily information could have on explaining and forecasting the conditional volatility of daily electricity returns. Returns are computed on Italian spot prices. The basic model considers an autoregressive structure on the conditional mean, daily...

In this paper the volatility structure of electricity prices in the Italian zonal market is analyzed. Volatility should be a primary concern for investors and operators on energy markets because it is related to investment uncertainty and power plant management. Even if volatility of electricity...