Less advance: Managing Energy Risk: An Integrated View on Power and Other Energy Markets (The Wiley Finance Series) https://www.amazon.co.uk/dp/B014T25N06/ref=cm_sw_r_awdo_navT_g_GQQH1SWP5X1B3DW32R30
More advanced: Stochastic Modeling Of Electricity And Related Markets (Advanced Series on Statistical Science & Applied Probability) https://www.amazon.co.uk/dp/981281230X/ref=cm\_sw\_r\_awdo\_navT\_g\_0YG1F395FG72910VPA7K