Gas installation is pictured at the Cavern Underground Gas Storage (CUGS) Kosakowo facility, near Debogorze, Poland April, 30. "If we have a drop in temperature, we could expect an uptick in energy demand for heating," Buontempo said. But some analysts warn this alone will not compensate for the loss of Europe's main gas supplier - and a cold winter would make this worse. A cold winter in Europe could add 8 bcm to Europe's gas demand, said Energy Aspects analyst Leon Izbicki. If cold weather depletes gas storage levels this winter, Europe will need to replenish for next winter - with far less Russian gas.

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