He noted that Berlin's mistake was not so much the conclusion of contracts for the supply of gas from Russia, but the inability to "create the necessary infrastructure or build LNG terminals" in order to change suppliers if necessary.
He also considers it necessary to resume the Midcat project for the delivery of gas from Algeria to Central Europe.
Earlier, German Economy Minister Robert Habeck said that German Chancellor Olaf Scholz could soon agree on gas supplies from the UAE and Qatar.
In addition, Russian Ambassador to Germany Sergei Nechaev said that Berlin was the main beneficiary of the supply of cheap Russian gas under long-term contracts.