European Union members have agreed to cut gas use in case Russia halts supplies.
However, some countries will have exemptions to avoid rationing.
European Union members have now agreed to voluntarily reduce 15% of gas use between August and March.
The EU has said its aim from the deal is to make savings and store gas ahead of winter.
It warns Russia is “continuously using energy supplies as a weapon”.
The voluntary agreement would become mandatory if supplies reach crisis levels.
The EU said the voluntary deal would become mandatory if supplies reach crisis levels.