Russia is at war with Ukraine. This is a hybrid war with many arms. One of them is energy. The Kremlin has weaponized the energy trade between Russia and Ukraine to impose a client-state status on Ukraine. Given its weak negotiating position, Ukraine had to accept Gazprom’s unjustified prices. Facing the threat of supply interruptions, usually in the middle of winter, notably in January 2006 and January 2009, Ukraine was forced to make costly political concessions to the Kremlin.

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