Austria recently purchased 98 percent of its gas from Russia. In December, Russia was practically Austria's only gas supplier.

The high level of dependency is a thorn in the side of the Energy Ministry. The aim remains, as decided by the EU, to get by without Russian gas in a few years, says Jens Schulte. The EU has expressly not sanctioned gas imports from Russia, unlike oil imports. The reason: Many EU states are dependent on Russian gas imports, he says.