KYIV, Dec 7 – The Russian aggressor fired more than 1,000 missiles and shells at Ukraine's energy facilities, as a result of which the power system suffered great damage, nevertheless it retains its integrity, board chairman of NPC Ukrenergo Volodymyr Kudrytsky says.

"We have already experienced massive attacks by the aggressor. These attacks represent the biggest blow to the power grid that humanity has ever seen. More than 1,000 shells and missiles were fired at electrical facilities and lines, including substations. Unfortunately, these attacks caused great damage to Ukraine and our system," he said on Wednesday during a discussion on the stabilization and recovery of Ukraine, organized by the European Bank for Reconstruction and Development (EBRD).