Russia has launched one of its largest coordinated attacks on Ukrainian energy infrastructure since the full-scale invasion began in February 2022, hitting more than 15 critical power generation and transmission facilities across multiple regions. President Volodymyr Zelenskyy said the campaign is explicitly designed to leave millions of Ukrainians without electricity and heating as winter approaches — a strategy of deliberate civilian suffering as a weapon of war. The Russian Defense Ministry confirmed strikes on an electricity substation in Zhytomyr and steelworks in both Kryvyi Rih and Zaporizhzhia, the latter described as supplying Ukraine's military-industrial complex. On the ground, an ambulance driver was killed and 19 others injured, including a child, in an airstrike on Kherson. A woman was also reported killed by Ukrainian drone strikes in Russia's Belgorod region. Zelenskyy identified the strategic logic plainly: Russia is attempting to stretch Ukraine's repair capacity and energy reserves as thinly as possible before the coldest months. The targeting of both generation and transmission infrastructure simultaneously suggests a campaign designed not just to damage but to overwhelm the restoration pipeline — creating cascading failures across the grid that take longer to fix than any single strike. The timing of Trump's sanctions waiver is the second story embedded in the first. On Friday, Trump signed an executive order waiving sweeping US sanctions and tariffs targeting Russia's energy revenues — the so-called Graham Act — just two days before they were due to take effect. Russian presidential envoy Kirill Dmitriev called it a "historic moment," while Zelenskyy drew the connection directly: "A US sanctions blackout, easing pressure on the aggressor, financial rewards for Putin — all of this only encourages him to keep attacking." Dmitriev's framing that the sanctions "would have caused serious damage first and foremost to the US economy and global markets" is the standard rationale for sanctions relief — that enforcement costs hurt the enforcer. But the effect is binary: either Russia's energy revenue stream faces friction or it doesn't. The waiver removes friction at the precise moment Russia is escalating attacks on civilian infrastructure. The dual dynamic — military escalation against energy targets paired with the removal of economic counterpressure — creates a structural asymmetry. Ukraine's energy grid absorbs physical damage while Russia's revenue stream is shielded from economic damage. Zelenskyy's call on allies to pressure Moscow now competes with a US administration moving in the opposite direction, leaving European allies as the remaining vector for economic leverage. What observers are watching is whether this constitutes a new phase: infrastructure warfare as the primary campaign through winter, conducted with reduced fear of economic consequences. The question is no longer whether Russia will target civilian energy systems — that's established doctrine — but whether any external mechanism exists to raise the cost of doing so.