Group 1 - Ukraine has targeted the Novokubyshevsk oil refinery and the Orenburg gas processing plant, which have processing capacities of 4.9 million tons and 45 billion cubic meters per year, respectively [1] - The attacks on Russian energy facilities have been frequent, with five major facilities attacked this week and a total of 19 facilities targeted in the last three months [7][11] - The Ukrainian military has reportedly reduced Russian refining capacity by approximately 27% to 30% through these strikes [11] Group 2 - The attacks have led to significant fuel supply issues in Russia, affecting 68 out of 83 regions, with severe restrictions on fuel purchases in key oil-producing areas [14] - In the city of Surgut, which houses major oil fields, there is a complete lack of fuel available for residents [14] - Russia's electricity system is facing a systemic crisis with a power shortfall of 25 gigawatts, approximately 9% of its needs, exacerbated by aging infrastructure and sanctions [17] Group 3 - The Russian military has been able to inflict significant damage on Ukrainian energy infrastructure using missiles and drones, highlighting a disparity in destructive capabilities [5] - Ukrainian forces are relying on self-made suicide drones, which, while effective, cannot match the power of true cruise missiles [7] - The ongoing conflict has created a challenging environment for both Ukrainian and Russian energy sectors, with both sides facing substantial operational pressures [22]