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Russian attacks caused power outages across six Ukrainian oblasts on October 5, including a drone strike on an energy facility in Poltava Oblast that cut power to about 22,000 consumers. Analysts at the Institute for the Study of War said Moscow is accelerating its campaign against Ukraine's energy infrastructure before Kyiv can field effective defenses against ballistic missiles and jet-powered drones. The New York Times separately obtained a purported Russian Defense Ministry document outlining plans to disable Ukraine's entire power grid, including cutting electricity and heat to three major cities by 90%, which Ukraine's energy minister shared with European officials. The reports underscore fears of a harsh winter energy crisis for Ukrainian civilians.